Javascript is disabled or is not supported by your browser. Please upgrade your browser or enable Javascript to navigate the interface properly.

Oberweis Asset Management

Latest statistics and disclosures from Oberweis Asset Management's latest quarterly 13F-HR filing:

Top 5 stock holdings are WFRD, CSTM, SN, ONTO, TMDX, and represent 9.61% of Oberweis Asset Management's stock portfolio.
Added to shares of these 10 stocks: HIMS (+$16M), CRDO (+$15M), TDW (+$14M), SN (+$12M), TNDM (+$11M), BMI (+$9.5M), STRA (+$9.3M), MYGN (+$8.8M), WFRD (+$8.7M), ANF (+$7.6M).
Started 28 new stock positions in HIMS, TNDM, ERJ, BVS, TDW, WLDN, ARDX, SPSC, MYGN, OSPN.
Reduced shares in these 10 stocks: ACLS (-$17M), ACHC (-$12M), AMPH (-$11M), AXNX (-$11M), EVH (-$11M), VRT (-$8.7M), GO (-$8.5M), ADMA (-$8.4M), STRL (-$8.2M), IPAR (-$6.8M).
Sold out of its positions in AAON, ACHC, AXGN, AXNX, CELH, BASE, DY, EVH, GIII, GO.
Oberweis Asset Management was a net buyer of stock by $175M.
Oberweis Asset Management has $1.6B in assets under management (AUM), dropping by 17.98%.
Central Index Key (CIK): 0000937886

Tip: Access up to 7 years of quarterly data

Positions held by Oberweis Asset Management consolidated in one spreadsheet with up to 7 years of data

Download as csv

Download as Excel

Portfolio Holdings for Oberweis Asset Management

Oberweis Asset Management holds 197 positions in its portfolio as reported in the June 2024 quarterly 13F filing

Company (Ticker)	Portfolio Weight	Valued At	Change in Shares	Share Count	Share Price
Weatherford Intl Ordf (WFRD)	2.2	$36M	+31%	293k	122.45	View chart
Constellium Se cl a (CSTM)	2.1	$35M		1.8M	18.85	View chart
Sharkninja (SN)	1.8	$30M	+67%	395k	75.15	View chart
Onto Innovation (ONTO)	1.7	$28M	+21%	130k	219.56	View chart
Transmedics Group (TMDX)	1.7	$28M	-5%	187k	150.62	View chart
Zeta Global Holdings Corp (ZETA)	1.7	$28M	+34%	1.6M	17.65	View chart
Encompass Health Corp (EHC)	1.5	$25M	+43%	292k	85.79	View chart
Credo Technology Group Holding (CRDO)	1.5	$25M	+142%	780k	31.94	View chart
SkyWest (SKYW)	1.5	$24M	+10%	291k	82.07	View chart
Clean Harbors (CLH)	1.4	$23M	+27%	103k	226.15	View chart
Adma Biologics (ADMA)	1.4	$23M	-26%	2.0M	11.18	View chart
Silicon Motion Technology (SIMO)	1.4	$23M	+27%	277k	80.99	View chart
Camtek (CAMT)	1.4	$22M		178k	125.24	View chart
Universal Display Corporation (OLED)	1.3	$21M	+29%	100k	210.25	View chart
Oshkosh Corporation (OSK)	1.2	$20M	+36%	183k	108.20	View chart
Crocs (CROX)	1.1	$19M	+33%	127k	145.94	View chart
FormFactor (FORM)	1.1	$19M	+29%	306k	60.53	View chart
Flowserve Corporation (FLS)	1.1	$18M	+34%	370k	48.10	View chart
Livanova Plc Ord (LIVN)	1.1	$18M	+59%	323k	54.82	View chart
Merit Medical Systems (MMSI)	1.0	$17M	+23%	194k	85.95	View chart
ICF International (ICFI)	1.0	$17M	+15%	112k	148.46	View chart
ACI Worldwide (ACIW)	1.0	$16M	+19%	413k	39.59	View chart
Abercrombie & Fitch (ANF)	1.0	$16M	+88%	91k	177.84	View chart
Blue Bird Corp (BLBD)	1.0	$16M		299k	53.85	View chart
Liveramp Holdings (RAMP)	1.0	$16M	+73%	513k	30.94	View chart
Hims & Hers Heal (HIMS)	1.0	$16M	NEW	785k	20.19	View chart
Ultra Clean Holdings (UCTT)	1.0	$16M		320k	49.00	View chart
American Superconductor (AMSC)	1.0	$16M	+4%	664k	23.39	View chart
Century Communities (CCS)	1.0	$16M	+56%	190k	81.66	View chart
Itron (ITRI)	0.9	$15M	+21%	152k	98.96	View chart
Elf Beauty (ELF)	0.9	$15M	+59%	70k	210.72	View chart
Esab Corporation (ESAB)	0.9	$14M	+16%	151k	94.43	View chart
Woodward Governor Company (WWD)	0.9	$14M	+19%	82k	174.38	View chart
Veracyte (VCYT)	0.9	$14M	-2%	654k	21.67	View chart
Tidewater (TDW)	0.9	$14M	NEW	148k	95.21	View chart
Alphatec Holdings (ATEC)	0.9	$14M	-4%	1.3M	10.45	View chart
AeroVironment (AVAV)	0.8	$14M	-25%	76k	182.16	View chart
Integer Hldgs (ITGR)	0.8	$14M	+23%	119k	115.79	View chart
Haemonetics Corporation (HAE)	0.8	$14M	+15%	165k	82.73	View chart
Veeco Instruments (VECO)	0.8	$14M	+8%	292k	46.71	View chart
Nextracker (NXT)	0.8	$13M	+18%	279k	46.88	View chart
Axcelis Technologies (ACLS)	0.8	$13M	-56%	92k	142.19	View chart
Federal Signal Corporation (FSS)	0.8	$13M	+21%	155k	83.67	View chart
Azek (AZEK)	0.8	$13M	+37%	305k	42.13	View chart
Cabot Corporation (CBT)	0.8	$12M	+46%	135k	91.89	View chart
Parsons Corporation (PSN)	0.7	$12M	-13%	149k	81.81	View chart
Silicon Laboratories (SLAB)	0.7	$12M	+40%	110k	110.63	View chart
Informatica (INFA)	0.7	$12M	+22%	380k	30.88	View chart
Installed Bldg Prods (IBP)	0.7	$12M	+83%	56k	205.68	View chart
CECO Environmental (CECO)	0.7	$11M	-14%	395k	28.85	View chart
Tandem Diabetes Care (TNDM)	0.7	$11M	NEW	282k	40.29	View chart
Vertiv Holdings Llc vertiv holdings (VRT)	0.7	$11M	-43%	129k	86.57	View chart
Spx Corp (SPXC)	0.6	$11M	+7%	75k	142.14	View chart
Primoris Services (PRIM)	0.6	$11M		210k	49.89	View chart
Wingstop (WING)	0.6	$10M	+22%	24k	422.66	View chart
Assurant (AIZ)	0.6	$10M	+37%	62k	166.25	View chart
Acm Research (ACMR)	0.6	$10M		441k	23.06	View chart
Frontdoor (FTDR)	0.6	$10M	+12%	296k	33.79	View chart
Clear Secure (YOU)	0.6	$9.8M	+4%	523k	18.71	View chart
Msa Safety Inc equity (MSA)	0.6	$9.6M	+15%	51k	187.69	View chart
Badger Meter (BMI)	0.6	$9.5M	NEW	51k	186.35	View chart
OSI Systems (OSIS)	0.6	$9.5M	+25%	69k	137.52	View chart
Maximus (MMS)	0.6	$9.5M	+23%	111k	85.70	View chart
Limbach Hldgs (LMB)	0.6	$9.4M		165k	56.93	View chart
Rush Street Interactive (RSI)	0.6	$9.3M	+25%	972k	9.59	View chart
NeoGenomics (NEO)	0.6	$9.3M	-9%	669k	13.87	View chart
Strategic Education (STRA)	0.6	$9.3M	NEW	84k	110.66	View chart
Quaker Chemical Corporation (KWR)	0.6	$9.2M	+34%	54k	169.70	View chart
Deckers Outdoor Corporation (DECK)	0.6	$9.1M		9.5k	967.95	View chart
Sprouts Fmrs Mkt (SFM)	0.6	$9.1M	+67%	109k	83.66	View chart
International Seaways (INSW)	0.5	$9.0M	-23%	152k	59.13	View chart
Boot Barn Hldgs (BOOT)	0.5	$8.9M	+27%	69k	128.93	View chart
Myriad Genetics (MYGN)	0.5	$8.8M	NEW	361k	24.46	View chart
Stride (LRN)	0.5	$8.7M	+86%	123k	70.50	View chart
Firstcash Holdings (FCFS)	0.5	$8.6M	-10%	82k	104.88	View chart
LeMaitre Vascular (LMAT)	0.5	$8.3M	+25%	101k	82.28	View chart
Carpenter Technology Corporation (CRS)	0.5	$8.2M	+20%	75k	109.58	View chart
Krystal Biotech (KRYS)	0.5	$7.8M	+19%	43k	183.64	View chart
Rxsight (RXST)	0.5	$7.6M		127k	60.17	View chart
Petiq (PETQ)	0.5	$7.5M		341k	22.06	View chart
Comfort Systems USA (FIX)	0.4	$7.3M	+21%	24k	304.12	View chart
CryoLife (AORT)	0.4	$7.2M		282k	25.65	View chart
Grand Canyon Education (LOPE)	0.4	$7.2M	+19%	52k	139.91	View chart
Cellebrite Di Ltd Ordinary Shares (CLBT)	0.4	$7.2M	+51%	604k	11.95	View chart
Applied Optoelectronics (AAOI)	0.4	$7.2M		866k	8.29	View chart
Ez (EZPW)	0.4	$7.2M		686k	10.47	View chart
Preferred Bank, Los Angeles (PFBC)	0.4	$7.2M		95k	75.49	View chart
Catalyst Pharmaceutical Partners (CPRX)	0.4	$7.1M		458k	15.49	View chart
Janus International Group In (JBI)	0.4	$7.1M	-19%	561k	12.63	View chart
Primo Water (PRMW)	0.4	$7.1M		324k	21.86	View chart
Fabrinet (FN)	0.4	$6.8M	+27%	28k	244.79	View chart
Alpha & Omega Semiconductor (AOSL)	0.4	$6.7M	NEW	180k	37.37	View chart
Magnolia Oil & Gas Corp magnolia oil & gas corp (MGY)	0.4	$6.7M	+42%	264k	25.34	View chart
Trex Company (TREX)	0.4	$6.6M	+48%	90k	74.12	View chart
Matador Resources (MTDR)	0.4	$6.6M	+34%	111k	59.60	View chart
Photronics (PLAB)	0.4	$6.6M	+3%	266k	24.67	View chart
Playa Hotels & Resorts Nv (PLYA)	0.4	$6.5M	+2%	773k	8.39	View chart
Onespaworld Holdings Ltd onespaworld hold (OSW)	0.4	$6.5M		420k	15.37	View chart
Oscar Health Cl A Ord (OSCR)	0.4	$6.4M	+38%	408k	15.82	View chart
Allegro Microsystems Ord (ALGM)	0.4	$6.4M	+2%	226k	28.24	View chart
Dutch Bros (BROS)	0.4	$6.3M	NEW	153k	41.40	View chart
Imax Corp Cad (IMAX)	0.4	$6.3M	+59%	376k	16.77	View chart
Gibraltar Industries (ROCK)	0.4	$6.0M	+66%	88k	68.55	View chart
SPS Commerce (SPSC)	0.4	$6.0M	NEW	32k	188.16	View chart
Aehr Test Systems (AEHR)	0.4	$6.0M	-44%	534k	11.17	View chart
Liberty Oilfield Services -a (LBRT)	0.4	$5.9M	+18%	281k	20.89	View chart
VSE Corporation (VSEC)	0.4	$5.9M		66k	88.28	View chart
Scientific Games (LNW)	0.4	$5.8M	+29%	55k	104.88	View chart
Duolingo (DUOL)	0.4	$5.7M	+45%	28k	208.67	View chart
Aviat Networks (AVNW)	0.4	$5.7M		199k	28.69	View chart
ExlService Holdings (EXLS)	0.3	$5.7M	+35%	181k	31.36	View chart
Evolus (EOLS)	0.3	$5.6M	+29%	515k	10.85	View chart
Healthequity (HQY)	0.3	$5.6M	+25%	65k	86.20	View chart
Addus Homecare Corp (ADUS)	0.3	$5.5M	NEW	48k	116.11	View chart
Weave Communications (WEAV)	0.3	$5.5M		609k	9.02	View chart
Clearwater Paper (CLW)	0.3	$5.4M		112k	48.47	View chart
Amphastar Pharmaceuticals (AMPH)	0.3	$5.4M	-67%	135k	40.00	View chart
Kirby Corporation (KEX)	0.3	$5.3M	NEW	44k	119.73	View chart
Blackbaud (BLKB)	0.3	$5.2M	+18%	68k	76.17	View chart
Laredo Petroleum (VTLE)	0.3	$5.1M	+4%	114k	44.82	View chart
Q2 Holdings (QTWO)	0.3	$5.1M	NEW	84k	60.33	View chart
Upwork (UPWK)	0.3	$5.0M		469k	10.75	View chart
M/I Homes (MHO)	0.3	$4.9M	+11%	40k	122.14	View chart
Allegheny Technologies Incorporated (ATI)	0.3	$4.9M	-37%	89k	55.45	View chart
Helix Energy Solutions (HLX)	0.3	$4.9M		408k	11.94	View chart
Verint Systems (VRNT)	0.3	$4.8M	NEW	150k	32.20	View chart
Onespan (OSPN)	0.3	$4.8M	NEW	371k	12.82	View chart
Vita Coco Co Inc/the (COCO)	0.3	$4.6M		165k	27.85	View chart
Skyward Specialty Insurance Gr (SKWD)	0.3	$4.6M	+9%	127k	36.18	View chart
Gentherm (THRM)	0.3	$4.5M	+25%	92k	49.32	View chart
Precision Drill (PDS)	0.3	$4.2M		60k	70.34	View chart
Mannkind (MNKD)	0.3	$4.2M		799k	5.22	View chart
First Merchants Corporation (FRME)	0.3	$4.1M		123k	33.29	View chart
Hawkins (HWKN)	0.2	$4.0M	+18%	44k	91.00	View chart
Huron Consulting (HURN)	0.2	$4.0M	-17%	41k	98.50	View chart
RPC (RES)	0.2	$4.0M	-23%	638k	6.25	View chart
Navitas Semiconductor Corp-a (NVTS)	0.2	$4.0M	+25%	1.0M	3.93	View chart
Employers Holdings (EIG)	0.2	$3.9M	+7%	93k	42.63	View chart
Cadence Design Systems (CDNS)	0.2	$3.9M	-2%	13k	307.75	View chart
Caredx (CDNA)	0.2	$3.9M	NEW	250k	15.53	View chart
Dynavax Technologies (DVAX)	0.2	$3.7M	-28%	331k	11.23	View chart
Mercantile Bank (MBWM)	0.2	$3.6M		90k	40.57	View chart
Despegar Com Corp ord (DESP)	0.2	$3.6M	+1124%	276k	13.23	View chart
Si-bone (SIBN)	0.2	$3.6M	-11%	276k	12.93	View chart
Arlo Technologies (ARLO)	0.2	$3.6M		273k	13.04	View chart
Dorian Lpg (LPG)	0.2	$3.6M	+12%	85k	41.96	View chart
Aris Water Solution Inc-a (ARIS)	0.2	$3.5M	+15%	225k	15.67	View chart
Transcat (TRNS)	0.2	$3.5M		29k	119.68	View chart
1st Source Corporation (SRCE)	0.2	$3.4M		64k	53.62	View chart
Backblaze (BLZE)	0.2	$3.3M	+50%	539k	6.16	View chart
Sterling Construction Company (STRL)	0.2	$3.2M	-71%	27k	118.34	View chart
Taiwan Semiconductor Mfg (TSM)	0.2	$3.2M		19k	173.81	View chart
Genedx Holdings Corp (WGS)	0.2	$3.2M	NEW	122k	26.14	View chart
Apex Technology Acqui-cl A (AVPT)	0.2	$3.1M	+11%	296k	10.42	View chart
Proto Labs (PRLB)	0.2	$3.0M		98k	30.89	View chart
Actuant Corp (EPAC)	0.2	$3.0M		77k	38.18	View chart
Sweetgreen Cl A Ord (SG)	0.2	$2.8M	-5%	92k	30.14	View chart
Biosante Pharmaceuticals (ANIP)	0.2	$2.8M		44k	63.68	View chart
Ardelyx (ARDX)	0.2	$2.8M	NEW	372k	7.41	View chart
Rev (REVG)	0.2	$2.7M	-12%	110k	24.89	View chart
Magnite Ord (MGNI)	0.2	$2.7M	NEW	200k	13.29	View chart
Gorman-Rupp Company (GRC)	0.2	$2.5M		69k	36.71	View chart
Universal Truckload Services (ULH)	0.2	$2.5M	NEW	62k	40.59	View chart
BJ's Restaurants (BJRI)	0.2	$2.5M	+14%	73k	34.70	View chart
Powell Industries (POWL)	0.1	$2.4M		17k	143.40	View chart
Oxford Industries (OXM)	0.1	$2.3M		23k	100.15	View chart
Willdan (WLDN)	0.1	$2.3M	NEW	79k	28.85	View chart
Axt (AXTI)	0.1	$2.2M	NEW	659k	3.38	View chart
Universal Stainless & Alloy Products (USAP)	0.1	$2.2M	NEW	81k	27.38	View chart
Liquidia Technologies (LQDA)	0.1	$2.2M	+22%	183k	12.00	View chart
Bioventus Inc - A (BVS)	0.1	$2.2M	NEW	381k	5.75	View chart
Semrush Hldgs (SEMR)	0.1	$2.1M	NEW	159k	13.39	View chart
Matrix Service Company (MTRX)	0.1	$2.1M	+6%	211k	9.93	View chart
Spdr S&p 500 Etf (SPY)	0.1	$2.0M		3.6k	544.18	View chart
Pinduoduo (PDD)	0.1	$1.6M	-17%	12k	132.95	View chart
Makemytrip Limited Mauritius (MMYT)	0.1	$1.5M	+102%	17k	84.10	View chart
Microsoft Corporation (MSFT)	0.1	$1.2M		2.7k	446.95	View chart
Tencent Music Entertco L spon ad (TME)	0.1	$1.1M		80k	14.05	View chart
JPMorgan Chase & Co. (JPM)	0.0	$770k		3.8k	202.25	View chart
Apple (AAPL)	0.0	$712k		3.4k	210.60	View chart
Didi Global (DIDIY)	0.0	$538k	NEW	130k	4.14	View chart
Kanzhun (BZ)	0.0	$451k	-4%	24k	18.81	View chart
Travelers Companies (TRV)	0.0	$415k		2.0k	203.33	View chart
Micron Technology (MU)	0.0	$395k	NEW	3.0k	131.53	View chart
MasterCard Incorporated (MA)	0.0	$342k		776.00	441.02	View chart
Amgen (AMGN)	0.0	$335k		1.1k	312.39	View chart
Johnson & Johnson (JNJ)	0.0	$317k		2.2k	146.13	View chart
Vtex Registered Shs -a- Isin#kyg9470a1022 (VTEX)	0.0	$306k	-36%	42k	7.26	View chart
ResMed (RMD)	0.0	$278k		1.5k	191.42	View chart
Arcos Dorados Holdings (ARCO)	0.0	$270k	-61%	30k	9.00	View chart
Embraer S A (ERJ)	0.0	$266k	NEW	10k	25.80	View chart
BBB Foods (TBBB)	0.0	$263k		11k	23.86	View chart
Wal-Mart Stores (WMT)	0.0	$219k	NEW	3.2k	67.70	View chart
McDonald's Corporation (MCD)	0.0	$216k		846.00	254.70	View chart
Merck & Co (MRK)	0.0	$214k		1.7k	123.80	View chart
Xenacare Hldgs	0.0	$0		140k	0.00	View chart
A M R Corporation Xxx res	0.0	$0		18k	0.00	View chart

Past Filings by Oberweis Asset Management

SEC 13F filings are viewable for Oberweis Asset Management going back to 2010

Oberweis Asset Management 2024 Q2 filed Aug. 14, 2024
Oberweis Asset Management 2024 Q1 filed May 15, 2024
Oberweis Asset Management 2023 Q4 filed Feb. 14, 2024
Oberweis Asset Management 2023 Q3 filed Nov. 14, 2023
Oberweis Asset Management 2023 Q2 filed Aug. 14, 2023
Oberweis Asset Management 2023 Q1 filed May 15, 2023
Oberweis Asset Management 2022 Q4 filed Feb. 14, 2023
Oberweis Asset Management 2022 Q3 filed Nov. 14, 2022
Oberweis Asset Management 2022 Q2 filed Aug. 15, 2022
Oberweis Asset Management 2022 Q1 filed May 16, 2022
Oberweis Asset Management 2021 Q4 filed Feb. 14, 2022
Oberweis Asset Management 2021 Q3 filed Nov. 15, 2021
Oberweis Asset Management 2021 Q2 filed Aug. 16, 2021
Oberweis Asset Management 2021 Q1 filed May 17, 2021
Oberweis Asset Management 2020 Q4 filed Feb. 16, 2021
Oberweis Asset Management 2020 Q3 filed Nov. 16, 2020

View all past filings

Disclaimers: stockzoa.com is not operated by a broker, a dealer, or a registered investment adviser. Under no circumstances does any information posted on stockzoa.com represent a recommendation to purchase or sell a stock. The information on this site is not intended to be, nor does it constitute, investment advice or recommendations. The information on this site is in no way guaranteed for completeness, accuracy or in any other way. In no event shall stockzoa.com be liable to any member, guest or third party for any damages of any kind arising out of the use of any content available on stockzoa.com, or relating to the use of, or inability to use, stockzoa.com or any content, including, without limitation, any investment losses, lost profits, lost opportunity, special, incidental, indirect, consequential or punitive damages. Past performance is a poor indicator of future performance.

Fund Directory: 1-9 A B C D E F G H I J K L M N O P Q R S T U V W X-Z