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William Blair Investment Management

Latest statistics and disclosures from William Blair Investment Management's latest quarterly 13F-HR filing:

Top 5 stock holdings are TSM, NVDA, AAPL, MSFT, GOOGL, and represent 21.28% of William Blair Investment Management's stock portfolio.
Added to shares of these 10 stocks: AZN (+$377M), AKAM (+$186M), BWA (+$157M), APH (+$136M), POWI (+$122M), STRL (+$115M), SYNA (+$111M), LFUS (+$103M), CHRW (+$100M), NBHC (+$97M).
Started 47 new stock positions in KMT, GH, ESI, MHO, AVY, SAIA, LFUS, TXN, CPRX, TEX.
Reduced shares in these 10 stocks: SE (-$302M), NVDA (-$294M), CIEN (-$272M), AMZN (-$255M), MSFT (-$220M), GOOGL (-$187M), ORCL (-$177M), WAY (-$173M), AAPL (-$160M), TSM (-$158M).
Sold out of its positions in ADMA, Air Lease Corp, FOLD, AWI, AstraZeneca, ATAT, OWL, BAM, CECO, CSGS.
William Blair Investment Management was a net seller of stock by $-3.9B.
William Blair Investment Management has $30B in assets under management (AUM), dropping by -15.60%.
Central Index Key (CIK): 0001644956

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Portfolio Holdings for William Blair Investment Management

William Blair Investment Management holds 413 positions in its portfolio as reported in the March 2026 quarterly 13F filing

Company (Ticker)	Portfolio Weight	Valued At	Change in Shares	Share Count	Share Price
Taiwan Semiconductor Manufac Sponsored Ads (TSM)	6.2	$1.9B	-7%	5.5M	338.05	View chart
NVIDIA Corporation (NVDA)	5.2	$1.6B	-15%	8.9M	174.40	View chart
Apple (AAPL)	4.0	$1.2B	-11%	4.8M	253.79	View chart
Microsoft Corporation (MSFT)	3.5	$1.1B	-17%	2.9M	370.17	View chart
Alphabet Cap Stk Cl A (GOOGL)	2.4	$720M	-20%	2.5M	287.56	View chart
Broadcom (AVGO)	2.3	$681M	-13%	2.2M	309.51	View chart
Amazon (AMZN)	2.2	$659M	-27%	3.2M	208.27	View chart
Meta Platforms Cl A (META)	1.9	$580M	-14%	1.0M	572.13	View chart
Mastercard Incorporated Cl A (MA)	1.8	$530M	-2%	1.1M	499.66	View chart
Astrazeneca Ord (AZN)	1.2	$377M	NEW	1.9M	194.29	View chart
Linde SHS (LIN)	1.0	$316M		636k	495.76	View chart
Carlyle Group (CG)	1.0	$305M	-11%	6.3M	48.39	View chart
Costco Wholesale Corporation (COST)	1.0	$301M	-7%	303k	996.43	View chart
Itau Unibanco Hldg S A Spon Adr Rep Pfd (ITUB)	0.9	$266M	-13%	32M	8.38	View chart
Twist Bioscience Corp (TWST)	0.8	$250M	-11%	5.3M	47.52	View chart
Servicenow (NOW)	0.8	$248M	+10%	2.4M	104.55	View chart
Primo Brands Corporation Class A Com Shs (PRMB)	0.8	$246M	+3%	13M	18.83	View chart
Mueller Industries (MLI)	0.8	$234M	+18%	2.1M	110.80	View chart
Intuit (INTU)	0.8	$231M	+20%	534k	432.38	View chart
Monster Beverage Corp (MNST)	0.7	$213M	-21%	2.9M	72.46	View chart
Advanced Micro Devices (AMD)	0.7	$212M	-22%	1.0M	203.43	View chart
Credicorp (BAP)	0.7	$211M	-18%	623k	339.18	View chart
Agilent Technologies Inc C ommon (A)	0.7	$205M	-12%	1.8M	113.98	View chart
O'reilly Automotive (ORLY)	0.7	$204M	-25%	2.2M	92.31	View chart
Bwx Technologies (BWXT)	0.7	$201M	-11%	982k	204.49	View chart
Transunion (TRU)	0.7	$200M	-27%	2.9M	69.19	View chart
Onto Innovation (ONTO)	0.7	$198M	-44%	964k	205.07	View chart
IDEXX Laboratories (IDXX)	0.7	$198M	-20%	352k	561.89	View chart
Nextpower Class A Com (NXT)	0.6	$196M	+19%	1.6M	120.55	View chart
Argenx Se Sponsored Adr (ARGX)	0.6	$194M	+18%	266k	730.51	View chart
Cava Group Ord (CAVA)	0.6	$194M		2.4M	80.90	View chart
Lattice Semiconductor (LSCC)	0.6	$190M	-3%	2.0M	92.76	View chart
F5 Networks (FFIV)	0.6	$188M	+18%	650k	289.33	View chart
Akamai Technologies (AKAM)	0.6	$186M	NEW	1.6M	114.85	View chart
Cameco Corporation (CCJ)	0.6	$183M	-15%	1.7M	108.61	View chart
UnitedHealth (UNH)	0.6	$182M	-11%	673k	270.59	View chart
Madrigal Pharmaceuticals (MDGL)	0.6	$178M	-3%	341k	523.47	View chart
Nu Hldgs Ord Shs Cl A (NU)	0.6	$176M	-34%	12M	14.37	View chart
Globus Med Cl A (GMED)	0.6	$173M	-20%	2.0M	86.16	View chart
C H Robinson Worldwide In Com New (CHRW)	0.6	$173M	+138%	1.0M	166.07	View chart
Everpure Cl A (PSTG)	0.6	$170M	-23%	2.9M	59.04	View chart
Snowflake Com Shs (SNOW)	0.6	$170M	-16%	1.1M	150.82	View chart
Talen Energy Corp (TLN)	0.6	$168M	-7%	525k	319.23	View chart
Grand Canyon Education (LOPE)	0.6	$167M	+116%	980k	170.03	View chart
Everest Re Group (EG)	0.5	$165M	-13%	506k	326.85	View chart
Halozyme Therapeutics (HALO)	0.5	$163M	+37%	2.5M	64.63	View chart
Martin Marietta Materials (MLM)	0.5	$160M		272k	588.68	View chart
Coherent Corp (COHR)	0.5	$159M	-23%	668k	238.21	View chart
Curtiss-Wright (CW)	0.5	$158M	-16%	232k	681.12	View chart
Regal-beloit Corporation (RRX)	0.5	$157M	+10%	838k	187.26	View chart
BorgWarner (BWA)	0.5	$157M	NEW	2.9M	54.26	View chart
Ciena Corp Com New (CIEN)	0.5	$155M	-63%	399k	388.23	View chart
The Baldwin Insurance Grp In Com Cl A (BWIN)	0.5	$149M	-9%	6.8M	21.94	View chart
Insmed Com Par $.01 (INSM)	0.5	$148M	-26%	903k	163.52	View chart
Nvent Elec SHS (NVT)	0.5	$146M	-10%	1.2M	118.28	View chart
Copart (CPRT)	0.5	$146M	-4%	4.4M	33.20	View chart
Healthequity (HQY)	0.5	$139M	-10%	1.7M	83.57	View chart
Carpenter Technology Corporation (CRS)	0.5	$138M	-15%	351k	394.15	View chart
Donaldson Company (DCI)	0.5	$137M	-5%	1.6M	84.87	View chart
Amphenol Corp Cl A (APH)	0.4	$136M	NEW	1.1M	126.35	View chart
Lincoln Electric Holdings (LECO)	0.4	$133M	-12%	535k	249.08	View chart
Sterling Construction Company (STRL)	0.4	$132M	+683%	323k	407.27	View chart
MercadoLibre (MELI)	0.4	$129M	-54%	75k	1729.02	View chart
Bio-techne Corporation (TECH)	0.4	$129M	+2%	2.5M	52.26	View chart
Clean Harbors (CLH)	0.4	$127M	+30%	443k	286.73	View chart
Chipotle Mexican Grill (CMG)	0.4	$125M	+18%	3.9M	32.01	View chart
Reliance Steel & Aluminum (RS)	0.4	$123M	+43%	404k	303.92	View chart
Power Integrations (POWI)	0.4	$122M	NEW	2.4M	51.20	View chart
Eagle Materials (EXP)	0.4	$119M	+12%	630k	189.45	View chart
Dynatrace Com New (DT)	0.4	$119M		3.2M	36.98	View chart
Bentley Sys Com Cl B (BSY)	0.4	$117M	+27%	3.3M	35.12	View chart
Glaukos (GKOS)	0.4	$116M	-2%	1.1M	107.66	View chart
First Horizon National Corporation (FHN)	0.4	$115M	-5%	5.1M	22.76	View chart
Sharkninja Com Shs (SN)	0.4	$114M	-13%	1.1M	105.90	View chart
Veeva Sys Cl A Com (VEEV)	0.4	$113M	-26%	643k	175.66	View chart
Doximity Cl A (DOCS)	0.4	$113M	-11%	4.8M	23.30	View chart
Synaptics, Incorporated (SYNA)	0.4	$111M	NEW	1.6M	70.04	View chart
National Vision Hldgs (EYE)	0.4	$109M	-6%	4.2M	25.90	View chart
Planet Fitness Master Issuer Cl A (PLNT)	0.4	$108M		1.5M	74.38	View chart
Diebold Nixdorf Com Shs (DBD)	0.4	$108M	-20%	1.4M	75.44	View chart
Freshpet (FRPT)	0.4	$107M	-7%	1.8M	58.96	View chart
Millicom Intl Cellular S A Com Stk (TIGO)	0.3	$105M	+1022%	1.4M	74.94	View chart
Krystal Biotech (KRYS)	0.3	$105M	+8%	407k	258.32	View chart
Garrett Motion (GTX)	0.3	$105M	-4%	5.8M	18.17	View chart
Verisk Analytics (VRSK)	0.3	$104M	+37%	548k	189.75	View chart
Littelfuse (LFUS)	0.3	$103M	NEW	305k	339.35	View chart
Appfolio Com Cl A (APPF)	0.3	$102M		643k	157.82	View chart
Casella Waste Sys Cl A (CWST)	0.3	$100M	-14%	1.3M	79.34	View chart
Churchill Downs (CHDN)	0.3	$98M	-4%	1.1M	89.83	View chart
National Bk Hldgs Corp Cl A (NBHC)	0.3	$97M	NEW	2.5M	39.16	View chart
Novanta (NOVT)	0.3	$93M	-13%	783k	118.11	View chart
Birkenstock Holding Com Shs (BIRK)	0.3	$92M	NEW	2.6M	35.83	View chart
Alignment Healthcare (ALHC)	0.3	$92M	+126%	5.2M	17.62	View chart
Pool Corporation (POOL)	0.3	$92M	-12%	452k	202.33	View chart
Stepstone Group Com Cl A (STEP)	0.3	$91M	+185%	1.9M	47.72	View chart
Advanced Drain Sys Inc Del (WMS)	0.3	$90M	-4%	656k	137.13	View chart
Kennametal (KMT)	0.3	$90M	NEW	2.5M	36.13	View chart
Guardant Health (GH)	0.3	$88M	NEW	951k	92.37	View chart
Old National Ban (ONB)	0.3	$86M	-34%	3.9M	22.10	View chart
Fabrinet SHS (FN)	0.3	$86M	-17%	165k	521.52	View chart
Casey's General Stores (CASY)	0.3	$86M	NEW	118k	727.86	View chart
Cullen/Frost Bankers (CFR)	0.3	$84M	NEW	612k	137.08	View chart
Manhattan Associates (MANH)	0.3	$84M	-4%	629k	133.12	View chart
Firstservice Corp (FSV)	0.3	$82M		593k	138.94	View chart
Bright Horizons Fam Sol In D (BFAM)	0.3	$82M	-11%	1.0M	82.13	View chart
Texas Instruments Incorporated (TXN)	0.3	$82M	NEW	424k	194.14	View chart
Parsons Corporation (PSN)	0.3	$81M	-4%	1.5M	54.17	View chart
Totalenergies Se Act (TTE)	0.3	$80M	+417%	854k	93.46	View chart
Encompass Health Corp (EHC)	0.3	$78M	-12%	803k	96.73	View chart
Evercore Class A (EVR)	0.3	$77M	-22%	257k	298.51	View chart
Laureate Ed Common Stock (LAUR)	0.2	$75M	-18%	2.2M	34.84	View chart
Perella Weinberg Partners Class A Com (PWP)	0.2	$74M	+3%	4.1M	18.16	View chart
Tyler Technologies (TYL)	0.2	$74M	-56%	216k	342.38	View chart
Maplebear (CART)	0.2	$72M	-13%	1.9M	37.46	View chart
Cytokinetics Com New (CYTK)	0.2	$72M	NEW	1.1M	65.91	View chart
Api Group Corp Com Stk (APG)	0.2	$71M	NEW	1.7M	40.52	View chart
Marex Group Ord (MRX)	0.2	$70M	-9%	1.6M	44.58	View chart
Flowserve Corporation (FLS)	0.2	$68M	-11%	924k	73.51	View chart
Southern Copper Corporation (SCCO)	0.2	$63M	NEW	368k	172.06	View chart
Landbridge Company Cl A (LB)	0.2	$61M	+28%	888k	69.05	View chart
Ferrari Nv Ord (RACE)	0.2	$61M	-15%	181k	338.45	View chart
Helios Technologies (HLIO)	0.2	$60M	+58%	931k	64.71	View chart
Saia (SAIA)	0.2	$60M	NEW	170k	351.28	View chart
Vericel (VCEL)	0.2	$59M	-17%	1.8M	32.17	View chart
Inspire Med Sys (INSP)	0.2	$59M	-2%	1.1M	51.58	View chart
Skyline Corporation (SKY)	0.2	$58M	-23%	776k	74.37	View chart
Weatherford Intl Ord Shs (WFRD)	0.2	$55M	-8%	580k	94.58	View chart
Knight-swift Transn Hldgs In Cl A (KNX)	0.2	$54M	+73%	943k	57.58	View chart
Merit Medical Systems (MMSI)	0.2	$54M	-11%	778k	68.93	View chart
Balchem Corporation (BCPC)	0.2	$53M	+5%	315k	169.48	View chart
Modine Manufacturing (MOD)	0.2	$53M	-36%	243k	216.71	View chart
Tecnoglass Ord Shs (TGLS)	0.2	$52M	+26%	1.2M	44.55	View chart
Spotify Technology S A SHS (SPOT)	0.2	$52M	-51%	107k	484.91	View chart
Guidewire Software (GWRE)	0.2	$51M	-4%	342k	149.56	View chart
Rush Street Interactive (RSI)	0.2	$51M	-8%	2.3M	21.75	View chart
Terex Corporation (TEX)	0.2	$50M	NEW	854k	59.10	View chart
Cognex Corporation (CGNX)	0.2	$50M	-3%	1.0M	48.99	View chart
Genedx Holdings Corp Com Cl A (WGS)	0.2	$50M	-4%	775k	64.22	View chart
Atlantic Union B (AUB)	0.2	$49M	+24%	1.4M	35.74	View chart
Bellring Brands Common Stock (BRBR)	0.2	$49M	+36%	3.0M	16.09	View chart
Quaker Chemical Corporation (KWR)	0.2	$48M	-17%	388k	124.23	View chart
Gold Fields Sponsored Adr (GFI)	0.2	$47M	+3891%	1.0M	45.41	View chart
OSI Systems (OSIS)	0.2	$46M	-10%	172k	265.51	View chart
TPG Com Cl A (TPG)	0.1	$45M	-22%	1.1M	40.51	View chart
Agilysys (AGYS)	0.1	$45M	+10%	632k	71.14	View chart
Latam Airlines Group Sa Sponsored Adr (LTM)	0.1	$44M	+25%	882k	49.45	View chart
Louisiana-Pacific Corporation (LPX)	0.1	$43M	-28%	596k	72.75	View chart
Bloom Energy Corp Com Cl A (BE)	0.1	$43M	-8%	318k	135.49	View chart
Teva Pharmaceutical Inds Sponsored Ads (TEVA)	0.1	$43M	NEW	1.4M	30.12	View chart
Gulfport Energy Corp Common Shares (GPOR)	0.1	$42M	+3%	199k	211.57	View chart
Vista Energy S.a.b. De C.v. Sponsored Ads (VIST)	0.1	$42M	NEW	556k	75.53	View chart
PDF Solutions (PDFS)	0.1	$41M	-7%	1.3M	32.71	View chart
Seacoast Bkg Corp Fla Com New (SBCF)	0.1	$40M	+3%	1.3M	30.29	View chart
Revolve Group Cl A (RVLV)	0.1	$40M	-17%	1.8M	22.61	View chart
Matador Resources (MTDR)	0.1	$39M	+49%	623k	63.18	View chart
Establishment Labs Holdings Ord (ESTA)	0.1	$39M	+7%	689k	56.78	View chart
Coca-cola Europacific Partne SHS (CCEP)	0.1	$39M	-4%	426k	90.67	View chart
Expro Group Holdings Nv (XPRO)	0.1	$38M	+3%	2.2M	17.41	View chart
Eastern Bankshares (EBC)	0.1	$38M	+3%	2.0M	19.56	View chart
Fb Finl (FBK)	0.1	$37M	+49%	721k	51.94	View chart
U.S. Lime & Minerals (USLM)	0.1	$37M	+4%	286k	130.61	View chart
Hancock Holding Company (HWC)	0.1	$36M	-10%	567k	63.59	View chart
Ishares Tr Rus 1000 Grw Etf (IWF)	0.1	$36M	-24%	84k	426.40	View chart
Renasant (RNST)	0.1	$35M	+3%	981k	36.13	View chart
Wyndham Hotels And Resorts (WH)	0.1	$35M	+55%	436k	81.23	View chart
Aura Minerals Shs New (AUGO)	0.1	$35M	-13%	428k	81.60	View chart
Brink's Company (BCO)	0.1	$35M	-78%	333k	103.63	View chart
Avnet (AVT)	0.1	$34M	+3%	557k	61.62	View chart
Hanover Insurance (THG)	0.1	$34M	+31%	196k	173.35	View chart
Hub Group Cl A (HUBG)	0.1	$33M	+47%	926k	36.04	View chart
Vectrus (VVX)	0.1	$33M	+3%	487k	68.50	View chart
Bkv Corp (BKV)	0.1	$33M	+4%	1.2M	28.52	View chart
Sila Realty Trust Common Stock (SILA)	0.1	$33M	+41%	1.4M	23.68	View chart
Knowles (KN)	0.1	$33M	+3%	1.3M	25.68	View chart
Pbf Energy Cl A (PBF)	0.1	$33M	-18%	687k	47.62	View chart
Thermon Group Holdings (THR)	0.1	$33M	-27%	648k	50.40	View chart
Kite Realty Group Trust Com New (KRG)	0.1	$33M	+3%	1.3M	24.55	View chart
Vishay Intertechnology (VSH)	0.1	$33M	+13%	1.8M	18.00	View chart
Valvoline Inc Common (VVV)	0.1	$32M	+36%	958k	33.68	View chart
Veracyte (VCYT)	0.1	$32M	+25%	990k	32.21	View chart
Ida (IDA)	0.1	$32M	-61%	223k	142.97	View chart
Spire (SR)	0.1	$32M	+3%	350k	90.54	View chart
Northwest Natural Holdin (NWN)	0.1	$32M	+3%	594k	53.22	View chart
Wiley John & Sons Cl A (WLY)	0.1	$31M	+3%	822k	38.10	View chart
Mirum Pharmaceuticals (MIRM)	0.1	$31M		336k	92.38	View chart
First Merchants Corporation (FRME)	0.1	$31M	+3%	790k	38.73	View chart
Acv Auctions Com Cl A (ACVA)	0.1	$31M	-33%	7.2M	4.24	View chart
Lantheus Holdings Inc Common Stock Usd 0.01 (LNTH)	0.1	$30M	-23%	400k	75.85	View chart
Diodes Incorporated (DIOD)	0.1	$30M	-6%	442k	68.26	View chart
Jefferson Capital (JCAP)	0.1	$30M	+5%	1.6M	19.23	View chart
Four Corners Ppty Tr (FCPT)	0.1	$29M	+17%	1.2M	23.65	View chart
Ameris Ban (ABCB)	0.1	$29M	+3%	375k	77.99	View chart
Insulet Corporation (PODD)	0.1	$29M	-4%	139k	209.84	View chart
Esab Corporation (ESAB)	0.1	$29M	+47%	302k	96.66	View chart
Texas Capital Bancshares (TCBI)	0.1	$29M	-34%	307k	94.88	View chart
LXP Industrial Trust (LXP)	0.1	$29M	+3%	624k	46.26	View chart
U.S. Physical Therapy (USPH)	0.1	$28M		378k	74.96	View chart
ICU Medical, Incorporated (ICUI)	0.1	$28M	+3%	218k	129.15	View chart
Northwestern Energy Group In Com New (NWE)	0.1	$28M	+3%	427k	65.94	View chart
Selective Insurance (SIGI)	0.1	$28M	+3%	370k	75.39	View chart
Banc Of California (BANC)	0.1	$28M	-31%	1.6M	17.58	View chart
Americold Rlty Tr (COLD)	0.1	$28M	-15%	2.4M	11.46	View chart
Marriott Intl Cl A (MAR)	0.1	$28M	NEW	85k	327.07	View chart
Huron Consulting (HURN)	0.1	$28M	+11%	216k	127.49	View chart
Simply Good Foods (SMPL)	0.1	$27M	-10%	1.9M	14.35	View chart
Matson (MATX)	0.1	$27M	+3%	167k	163.94	View chart
Icici Bank Adr (IBN)	0.1	$27M	-35%	1.0M	25.92	View chart
Steven Madden (SHOO)	0.1	$27M	+20%	794k	33.92	View chart
Tri Pointe Homes (TPH)	0.1	$27M	-33%	574k	46.73	View chart
Eli Lilly & Co. (LLY)	0.1	$27M	-9%	29k	919.77	View chart
Cathay General Ban (CATY)	0.1	$27M	NEW	533k	49.86	View chart
I3 Verticals Com Cl A (IIIV)	0.1	$26M	+204%	1.2M	22.36	View chart
Impinj (PI)	0.1	$26M	+20%	256k	102.70	View chart
Albany Intl Corp Cl A (AIN)	0.1	$26M	+3%	502k	52.21	View chart
Kulicke and Soffa Industries (KLIC)	0.1	$26M	-37%	398k	65.72	View chart
Essent (ESNT)	0.1	$26M	+3%	445k	58.44	View chart
Willscot Hldgs Corp Com Cl A (WSC)	0.1	$26M	-43%	1.5M	17.36	View chart
Integer Hldgs (ITGR)	0.1	$26M	-37%	293k	88.00	View chart
Donnelley Finl Solutions (DFIN)	0.1	$26M	+5%	546k	47.14	View chart
Jones Lang LaSalle Incorporated (JLL)	0.1	$25M	-37%	84k	304.32	View chart
Hawkins (HWKN)	0.1	$25M	+22%	165k	153.60	View chart
Zeta Global Holdings Corp Cl A (ZETA)	0.1	$25M	+5%	1.6M	15.92	View chart
Biosante Pharmaceuticals (ANIP)	0.1	$25M	+3%	327k	76.90	View chart
Banner Corp Com New (BANR)	0.1	$25M	-37%	414k	60.68	View chart
Adtran Holdings (ADTN)	0.1	$25M	-19%	2.0M	12.58	View chart
Kirby Corporation (KEX)	0.1	$25M	-38%	188k	132.88	View chart
Graham Corporation (GHM)	0.1	$25M	+5%	314k	78.92	View chart
Cargurus Com Cl A (CARG)	0.1	$25M	+27%	724k	34.05	View chart
Mda-tc (MDALF)	0.1	$24M	NEW	964k	25.34	View chart
Ryanair Holdings Sponsored Adr (RYAAY)	0.1	$24M	+726%	420k	57.80	View chart
McGrath Rent (MGRC)	0.1	$24M	NEW	220k	110.28	View chart
Atmus Filtration Technologies Ord (ATMU)	0.1	$24M	-37%	426k	56.77	View chart
Centuri Holdings Com Shs (CTRI)	0.1	$24M	+3%	827k	29.21	View chart
Ecovyst (ECVT)	0.1	$24M	-31%	1.9M	12.86	View chart
La-Z-Boy Incorporated (LZB)	0.1	$24M	+3%	745k	32.14	View chart
Live Oak Bancshares (LOB)	0.1	$24M	+11%	723k	33.07	View chart
Mercury Computer Systems (MRCY)	0.1	$24M	-66%	327k	72.91	View chart
Taylor Morrison Hom (TMHC)	0.1	$24M	+3%	409k	58.24	View chart
Trex Company (TREX)	0.1	$24M	NEW	647k	36.42	View chart
Intercorp Finl Svcs SHS (IFS)	0.1	$23M	+4%	466k	50.20	View chart
Equity Lifestyle Properties (ELS)	0.1	$23M	-37%	370k	62.42	View chart
Applied Industrial Technologies (AIT)	0.1	$23M	-37%	86k	265.32	View chart
Constellium Se Cl A Shs (CSTM)	0.1	$23M	NEW	918k	24.58	View chart
Motorola Solutions Com New (MSI)	0.1	$23M	+153%	52k	433.97	View chart
Healthcare Rlty Tr Cl A Com (HR)	0.1	$22M	-38%	1.3M	16.99	View chart
East West Ban (EWBC)	0.1	$22M	-37%	208k	106.76	View chart
First Ban (FBNC)	0.1	$22M	+3%	392k	56.35	View chart
Belden (BDC)	0.1	$22M	-11%	191k	114.83	View chart
John Bean Technologies Corporation (JBTM)	0.1	$22M	-37%	168k	127.87	View chart
Sylvamo Corp Common Stock (SLVM)	0.1	$21M	-28%	498k	42.24	View chart
Argan (AGX)	0.1	$21M	-39%	39k	544.65	View chart
Palo Alto Networks (PANW)	0.1	$21M	-4%	131k	160.32	View chart
Maximus (MMS)	0.1	$21M	+3%	324k	64.10	View chart
Brady Corp Cl A (BRC)	0.1	$21M	-27%	254k	81.24	View chart
Ul Solutions Class A Com Shs (ULS)	0.1	$20M	-37%	234k	85.71	View chart
Inter & Co Class A Com (INTR)	0.1	$20M	-55%	2.5M	7.96	View chart
Netstreit Corp (NTST)	0.1	$20M	+3%	1.1M	18.83	View chart
Amprius Technologies Common Stock (AMPX)	0.1	$20M	+18%	1.2M	16.86	View chart
Aehr Test Systems (AEHR)	0.1	$19M	+3%	513k	37.08	View chart
Rexford Industrial Realty Inc reit (REXR)	0.1	$19M	-37%	581k	32.73	View chart
ABM Industries (ABM)	0.1	$19M	+3%	488k	38.52	View chart
Lumentum Hldgs (LITE)	0.1	$19M	-80%	27k	702.76	View chart
Vertex Pharmaceuticals Incorporated (VRTX)	0.1	$18M		40k	446.54	View chart
Boyd Group Services (BGSI)	0.1	$17M	-4%	135k	127.69	View chart
Iamgold Corp (IAG)	0.1	$17M	-25%	906k	18.82	View chart
Penguin Solutions (PENG)	0.1	$17M	+3%	966k	17.60	View chart
Lam Research Corp Com New (LRCX)	0.1	$17M	-28%	79k	213.66	View chart
UMH Properties (UMH)	0.1	$17M	+3%	1.2M	14.43	View chart
Sunstone Hotel Investors (SHO)	0.1	$17M	+3%	1.9M	9.01	View chart
Dycom Industries (DY)	0.1	$17M	-37%	49k	338.82	View chart
Agree Realty Corporation (ADC)	0.1	$17M	-37%	219k	75.38	View chart
Antero Res (AR)	0.1	$16M	-38%	385k	42.44	View chart
Rush Enterprises Cl A (RUSHA)	0.1	$16M	+3%	239k	66.11	View chart
Wingstop (WING)	0.1	$15M	NEW	99k	154.97	View chart
Vertex Cl A (VERX)	0.1	$15M	+5%	1.3M	11.89	View chart
UMB Financial Corporation (UMBF)	0.0	$15M	-40%	134k	112.79	View chart
Empire St Rlty Tr Cl A (ESRT)	0.0	$15M	+3%	2.9M	5.20	View chart
Tower Semiconductor Shs New (TSEM)	0.0	$15M	-77%	84k	175.48	View chart
Edgewell Pers Care (EPC)	0.0	$15M	+3%	687k	21.34	View chart
Avery Dennison Corporation (AVY)	0.0	$15M	NEW	85k	172.68	View chart
Onemain Holdings (OMF)	0.0	$15M	-38%	271k	53.49	View chart
Brightsphere Investment Group (AAMI)	0.0	$14M	+3%	264k	54.42	View chart
Innovex International (INVX)	0.0	$14M		587k	24.39	View chart
Q2 Holdings (QTWO)	0.0	$14M	-88%	302k	47.30	View chart
Janus International Group In Common Stock (JBI)	0.0	$14M	+3%	2.7M	5.15	View chart
Granite Construction (GVA)	0.0	$14M	-45%	115k	119.88	View chart
Paymentus Holdings Com Cl A (PAY)	0.0	$14M	+5%	538k	25.40	View chart
Texas Roadhouse (TXRH)	0.0	$14M	NEW	83k	165.14	View chart
Grab Holdings Class A Ord (GRAB)	0.0	$14M	-83%	3.7M	3.66	View chart
Yeti Hldgs (YETI)	0.0	$13M	-20%	367k	36.59	View chart
Jazz Pharmaceuticals Shs Usd (JAZZ)	0.0	$13M	NEW	71k	189.05	View chart
Innoviva (INVA)	0.0	$13M	NEW	575k	23.30	View chart
Hayward Hldgs (HAYW)	0.0	$13M	-45%	994k	13.38	View chart
Sanmina (SANM)	0.0	$13M	-55%	102k	129.64	View chart
Progyny (PGNY)	0.0	$13M	NEW	740k	16.98	View chart
SkyWest (SKYW)	0.0	$12M	NEW	134k	91.83	View chart
Malibu Boats Com Cl A (MBUU)	0.0	$12M	NEW	476k	25.92	View chart
Titan Machinery (TITN)	0.0	$12M	+6%	737k	16.72	View chart
Dex (DXCM)	0.0	$12M	+13%	195k	62.80	View chart
Grupo Aeroportuario Del Sure Spon Adr Ser B (ASR)	0.0	$12M	-6%	36k	336.13	View chart
Commercial Metals Company (CMC)	0.0	$12M	-61%	198k	61.43	View chart
Central Garden & Pet Cl A Non-vtg (CENTA)	0.0	$12M	+3%	375k	32.42	View chart
Winnebago Industries (WGO)	0.0	$12M	+3%	387k	30.99	View chart
Ishares Tr Rus 2000 Grw Etf (IWO)	0.0	$12M	+404%	38k	313.81	View chart
Applied Materials (AMAT)	0.0	$12M		35k	341.79	View chart
Catalyst Pharmaceutical Partners (CPRX)	0.0	$12M	NEW	479k	24.76	View chart
M/I Homes (MHO)	0.0	$12M	NEW	95k	122.45	View chart
Silgan Holdings (SLGN)	0.0	$11M	-56%	292k	38.80	View chart
Owens Corning (OC)	0.0	$11M	-37%	105k	108.22	View chart
Aris Mng Corp (ARIS)	0.0	$11M	-16%	602k	18.57	View chart
Washington Federal (WAFD)	0.0	$11M	-64%	353k	31.40	View chart
Celestica (CLS)	0.0	$11M	-39%	39k	281.68	View chart
Procept Biorobotics Corp (PRCT)	0.0	$11M		424k	25.01	View chart
West Pharmaceutical Services (WST)	0.0	$10M	-3%	40k	250.64	View chart
Marvell Technology (MRVL)	0.0	$9.9M	-8%	100k	99.05	View chart
Taseko Cad (TGB)	0.0	$9.8M	NEW	1.5M	6.45	View chart
Alaska Air (ALK)	0.0	$9.5M	-51%	258k	36.78	View chart
Descartes Sys Grp (DSGX)	0.0	$9.2M	-37%	128k	71.56	View chart
AmerisourceBergen (COR)	0.0	$8.9M	+16%	29k	314.14	View chart
Oracle Corporation (ORCL)	0.0	$8.2M	-95%	56k	147.11	View chart
PriceSmart (PSMT)	0.0	$8.0M	NEW	53k	150.50	View chart
Wal-Mart Stores (WMT)	0.0	$7.8M	-68%	63k	124.28	View chart
Quanterix Ord (QTRX)	0.0	$7.3M		2.1M	3.52	View chart
KAR Auction Services (OPLN)	0.0	$7.1M	-52%	244k	29.15	View chart
Intuitive Surgical Com New (ISRG)	0.0	$7.0M		15k	460.99	View chart
Gra (GGG)	0.0	$6.3M	+35%	74k	84.65	View chart
Greif Cl A (GEF)	0.0	$6.2M	-67%	93k	67.07	View chart
Progressive Corporation (PGR)	0.0	$6.1M		31k	198.24	View chart
JPMorgan Chase & Co. (JPM)	0.0	$6.0M		21k	294.16	View chart
Humana (HUM)	0.0	$6.0M	-21%	35k	173.39	View chart
Verra Mobility Corp Cl A Com Stk (VRRM)	0.0	$5.6M	-88%	389k	14.29	View chart
salesforce (CRM)	0.0	$5.4M		29k	186.67	View chart
TJX Companies (TJX)	0.0	$5.4M	NEW	34k	159.70	View chart
Blackstone Group Inc Com Cl A (BX)	0.0	$5.4M		47k	114.99	View chart
Bbb Foods Cl A Com (TBBB)	0.0	$5.2M	-80%	147k	35.37	View chart
Netflix (NFLX)	0.0	$5.1M	+29%	53k	96.15	View chart
CRH Ord (CRH)	0.0	$5.1M	-31%	48k	105.12	View chart
Tko Group Holdings Cl A (TKO)	0.0	$4.6M		23k	201.65	View chart
Corporacion Amer Arpts S A (CAAP)	0.0	$4.5M	NEW	177k	25.29	View chart
Figure Technology Solutio Com Cl A (FIGR)	0.0	$4.1M	+13%	120k	33.95	View chart
Visa Com Cl A (V)	0.0	$4.1M		13k	302.24	View chart
Keysight Technologies (KEYS)	0.0	$4.0M	-40%	14k	282.37	View chart
Abbott Laboratories (ABT)	0.0	$4.0M	-14%	39k	102.67	View chart
Boston Scientific Corporation (BSX)	0.0	$3.2M		52k	62.75	View chart
Dbx Etf Tr Xtrack Hrvst Csi (ASHR)	0.0	$2.8M	-4%	86k	32.64	View chart
Ishares Tr Msci India Etf (INDA)	0.0	$2.6M	+32%	55k	46.84	View chart
Vnet Group Sponsored Ads A (VNET)	0.0	$2.6M	-64%	309k	8.39	View chart
Korn Ferry Com New (KFY)	0.0	$2.5M	-90%	40k	62.95	View chart
Uber Technologies (UBER)	0.0	$2.4M	-38%	34k	71.93	View chart
Agnico (AEM)	0.0	$2.3M	NEW	12k	203.02	View chart
Trinet (TNET)	0.0	$2.3M	-84%	63k	36.43	View chart
Asml Hldg Nv N Y Registry Shs (ASML)	0.0	$2.3M	-50%	1.7k	1320.83	View chart
Vital Farms (VITL)	0.0	$1.7M	-84%	121k	14.12	View chart
Sumitomo Mitsui Fin Grp Sponsored Adr (SMFG)	0.0	$1.5M	-38%	76k	19.75	View chart
Elf Beauty (ELF)	0.0	$1.4M	-15%	24k	60.61	View chart
Alibaba Group Hldg Sponsored Ads (BABA)	0.0	$1.4M		11k	125.46	View chart
Coca-Cola Company (KO)	0.0	$1.4M	NEW	18k	76.05	View chart
Stellar Bancorp Ord (STEL)	0.0	$1.3M	-93%	35k	36.61	View chart
Enterprise Financial Services (EFSC)	0.0	$1.2M	-90%	23k	54.11	View chart
Corteva (CTVA)	0.0	$1.2M		14k	83.71	View chart
Intercontinental Hotels Grou Sponsored Ads (IHG)	0.0	$1.1M	-50%	8.5k	133.46	View chart
Banco Bilbao Vizcaya Argenta Sponsored Adr (BBVA)	0.0	$952k	-53%	44k	21.66	View chart
Rbc Cad (RY)	0.0	$935k	-50%	5.8k	161.78	View chart
Intercontinental Exchange (ICE)	0.0	$912k	-82%	5.8k	157.28	View chart
Wisdomtree Tr India Erngs Fd (EPI)	0.0	$857k		21k	40.80	View chart
Barclays Adr (BCS)	0.0	$854k	-61%	40k	21.16	View chart
Arch Cap Group Ord (ACGL)	0.0	$707k	-98%	7.4k	95.99	View chart
Apollo Global Mgmt (APO)	0.0	$699k		6.3k	111.42	View chart
Netease Sponsored Ads (NTES)	0.0	$679k	-13%	6.1k	111.94	View chart
Flextronics Intl Ord (FLEX)	0.0	$555k	+2%	8.5k	65.46	View chart
Allison Transmission Hldngs I (ALSN)	0.0	$553k	+2%	4.7k	117.06	View chart
Element Solutions (ESI)	0.0	$528k	NEW	16k	34.14	View chart
Timken Company (TKR)	0.0	$521k	+2%	5.2k	100.57	View chart
Iren Ordinary Shares (IREN)	0.0	$511k	+16%	15k	34.28	View chart
NiSource (NI)	0.0	$496k	+2%	11k	46.66	View chart
PPL Corporation (PPL)	0.0	$476k	+2%	13k	38.20	View chart
Allegion Ord Shs (ALLE)	0.0	$469k	+2%	3.2k	145.29	View chart
Regency Centers Corporation (REG)	0.0	$464k	+2%	6.1k	75.66	View chart
Royal Gold (RGLD)	0.0	$457k	-30%	1.8k	254.49	View chart
J.B. Hunt Transport Services (JBHT)	0.0	$452k	+2%	2.1k	211.90	View chart
Wright Express (WEX)	0.0	$448k	+2%	2.9k	153.04	View chart
Dover Corporation (DOV)	0.0	$447k	-13%	2.1k	208.45	View chart
Caci Intl Cl A (CACI)	0.0	$407k	-99%	748.00	543.87	View chart
Host Hotels & Resorts (HST)	0.0	$391k	+2%	20k	19.16	View chart
Crown Holdings (CCK)	0.0	$385k	+2%	3.8k	100.25	View chart
Jefferies Finl Group (JEF)	0.0	$365k	NEW	8.8k	41.27	View chart
Brunswick Corporation (BC)	0.0	$354k	+2%	4.9k	72.76	View chart
Jabil Circuit (JBL)	0.0	$354k	+2%	1.3k	265.63	View chart
Ishares Tr Msci India Sm Cp (SMIN)	0.0	$353k		5.9k	59.96	View chart
Labcorp Holdings Com Shs (LH)	0.0	$350k	+2%	1.3k	266.81	View chart
Chesapeake Energy Corp (EXE)	0.0	$346k	+2%	3.2k	109.78	View chart
Southstate Bk Corp (SSB)	0.0	$346k	+2%	3.7k	92.52	View chart
Columbia Banking System (COLB)	0.0	$344k	+2%	13k	27.43	View chart
Peak (DOC)	0.0	$339k	+2%	21k	16.43	View chart
Shopify Cl A Sub Vtg Shs (SHOP)	0.0	$332k	-74%	2.8k	118.62	View chart
Molson Coors Beverage CL B (TAP)	0.0	$327k	+2%	7.6k	43.06	View chart
Permian Resources Corp Class A Com (PR)	0.0	$306k	+2%	14k	21.32	View chart
Alphabet Cap Stk Cl C (GOOG)	0.0	$294k		1.0k	286.86	View chart
Icon SHS (ICLR)	0.0	$285k	+2%	2.6k	110.66	View chart
Chemed Corp Com Stk (CHE)	0.0	$283k	-99%	748.00	377.74	View chart
Ingredion Incorporated (INGR)	0.0	$275k	+2%	2.4k	112.66	View chart
Entergy Corporation (ETR)	0.0	$260k	+2%	2.3k	112.36	View chart
Stag Industrial (STAG)	0.0	$259k	+2%	7.2k	36.06	View chart
Camden Ppty Tr Sh Ben Int (CPT)	0.0	$259k	+2%	2.6k	97.66	View chart
Accenture Plc Ireland Shs Class A (ACN)	0.0	$250k	-2%	1.3k	198.29	View chart
Stmicroelectronics N V Ny Registry (STM)	0.0	$240k	NEW	6.9k	34.55	View chart
Phillips 66 (PSX)	0.0	$231k	NEW	1.3k	182.18	View chart
State Street Corporation (STT)	0.0	$231k	+2%	1.8k	126.56	View chart
Toll Brothers (TOL)	0.0	$221k	+2%	1.6k	136.47	View chart
American Financial (AFG)	0.0	$215k	+2%	1.7k	127.71	View chart
Willis Towers Watson SHS (WTW)	0.0	$207k	+15%	712.00	290.70	View chart
Huntington Bancshares Incorporated (HBAN)	0.0	$178k	+2%	11k	15.65	View chart
Ishares Tr Rus 2000 Val Etf (IWN)	0.0	$95k	-86%	502.00	189.59	View chart

Past Filings by William Blair Investment Management

SEC 13F filings are viewable for William Blair Investment Management going back to 2015

William Blair Investment Management 2026 Q1 filed May 8, 2026
William Blair Investment Management 2025 Q4 filed Feb. 9, 2026
William Blair Investment Management 2025 Q3 filed Nov. 12, 2025
William Blair Investment Management 2025 Q2 filed July 29, 2025
William Blair Investment Management 2025 Q1 filed May 9, 2025
William Blair Investment Management 2024 Q4 filed Feb. 10, 2025
William Blair Investment Management 2024 Q3 filed Nov. 8, 2024
William Blair Investment Management 2024 Q2 filed Aug. 8, 2024
William Blair Investment Management 2024 Q1 filed May 8, 2024
William Blair Investment Management 2023 Q4 filed Feb. 9, 2024
William Blair Investment Management 2023 Q3 filed Nov. 9, 2023
William Blair Investment Management 2023 Q2 filed Aug. 11, 2023
William Blair Investment Management 2023 Q1 filed May 12, 2023
William Blair Investment Management 2022 Q4 filed Feb. 9, 2023
William Blair Investment Management 2022 Q3 filed Nov. 9, 2022
William Blair Investment Management 2022 Q2 filed Aug. 10, 2022

View all past filings

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