Westfield Capital Management as of March 31, 2026
Portfolio Holdings for Westfield Capital Management
Westfield Capital Management holds 250 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 |
|---|---|---|---|---|---|
| NVIDIA Corporation (NVDA) | 4.6 | $1.1B | 6.3M | 174.40 | |
| Ascendis Pharma A/s Sponsored Adr (ASND) | 4.6 | $1.1B | 4.8M | 228.73 | |
| Comfort Systems USA (FIX) | 3.6 | $856M | 621k | 1378.99 | |
| Apple (AAPL) | 3.3 | $795M | 3.1M | 253.79 | |
| Ftai Aviation SHS (FTAI) | 2.9 | $698M | 2.8M | 245.00 | |
| Microsoft Corporation (MSFT) | 2.6 | $611M | 1.6M | 370.17 | |
| Alphabet Cap Stk Cl A (GOOGL) | 2.4 | $583M | 2.0M | 287.56 | |
| Howmet Aerospace (HWM) | 2.2 | $528M | 2.3M | 230.46 | |
| Vertiv Holdings Com Cl A (VRT) | 2.0 | $482M | 1.9M | 250.58 | |
| Amazon (AMZN) | 2.0 | $475M | 2.3M | 208.27 | |
| Axon Enterprise (AXON) | 1.9 | $452M | 1.1M | 424.69 | |
| Broadcom (AVGO) | 1.6 | $383M | 1.2M | 309.51 | |
| Eli Lilly & Co. (LLY) | 1.4 | $335M | 365k | 919.77 | |
| Tapestry (TPR) | 1.3 | $310M | 2.2M | 141.11 | |
| Meta Platforms Cl A (META) | 1.3 | $301M | 527k | 572.13 | |
| Lpl Financial Holdings (LPLA) | 1.1 | $265M | 882k | 300.83 | |
| MKS Instruments (MKSI) | 1.0 | $241M | 1.0M | 229.81 | |
| Insmed Com Par $.01 (INSM) | 1.0 | $240M | 1.5M | 163.52 | |
| Vaxcyte (PCVX) | 0.9 | $212M | 3.6M | 58.11 | |
| Rocket Lab Corp (RKLB) | 0.9 | $204M | 3.2M | 64.22 | |
| Netflix (NFLX) | 0.8 | $189M | 2.0M | 96.15 | |
| Api Group Corp Com Stk (APG) | 0.8 | $188M | 4.6M | 40.52 | |
| Quanta Services (PWR) | 0.8 | $182M | 332k | 549.02 | |
| Ge Vernova (GEV) | 0.7 | $174M | 199k | 872.90 | |
| Ares Management Corporation Cl A Com Stk (ARES) | 0.7 | $172M | 1.6M | 109.10 | |
| Rhythm Pharmaceuticals (RYTM) | 0.7 | $168M | 1.9M | 86.97 | |
| Taiwan Semiconductor Manufac Sponsored Ads (TSM) | 0.7 | $167M | 494k | 337.95 | |
| Marvell Technology (MRVL) | 0.7 | $166M | 1.7M | 99.05 | |
| Bloom Energy Corp Com Cl A (BE) | 0.7 | $161M | 1.2M | 135.49 | |
| Samsara Com Cl A (IOT) | 0.7 | $161M | 5.1M | 31.69 | |
| Ametek (AME) | 0.7 | $160M | 746k | 214.36 | |
| Permian Resources Corp Class A Com (PR) | 0.7 | $160M | 7.5M | 21.32 | |
| Dynatrace Com New (DT) | 0.7 | $156M | 4.2M | 36.98 | |
| Revolution Medicines (RVMD) | 0.6 | $151M | 1.6M | 97.25 | |
| Natera (NTRA) | 0.6 | $151M | 755k | 199.99 | |
| Fabrinet SHS (FN) | 0.6 | $149M | 285k | 521.52 | |
| Abivax Sa Sponsored Ads (ABVX) | 0.6 | $147M | 1.3M | 111.35 | |
| Servicenow (NOW) | 0.6 | $146M | 1.4M | 104.55 | |
| Technipfmc (FTI) | 0.6 | $141M | 2.0M | 69.13 | |
| Royal Caribbean Cruises (RCL) | 0.6 | $139M | 506k | 275.18 | |
| Hilton Worldwide Holdings (HLT) | 0.6 | $139M | 457k | 304.08 | |
| Visa Com Cl A (V) | 0.6 | $138M | 457k | 302.24 | |
| AmerisourceBergen (COR) | 0.6 | $137M | 437k | 314.14 | |
| Itt (ITT) | 0.6 | $134M | 703k | 190.53 | |
| Celsius Hldgs Com New (CELH) | 0.6 | $134M | 3.8M | 35.48 | |
| Nextpower Class A Com (NXT) | 0.6 | $134M | 1.1M | 120.55 | |
| Cheniere Energy Com New (LNG) | 0.5 | $130M | 459k | 283.76 | |
| Amer Sports Com Shs (AS) | 0.5 | $130M | 3.9M | 32.92 | |
| Regal-beloit Corporation (RRX) | 0.5 | $128M | 682k | 187.26 | |
| Msci (MSCI) | 0.5 | $126M | 234k | 539.01 | |
| Guardant Health (GH) | 0.5 | $126M | 1.4M | 92.37 | |
| Live Nation Entertainment (LYV) | 0.5 | $124M | 811k | 152.51 | |
| Tesla Motors (TSLA) | 0.5 | $118M | 316k | 371.75 | |
| Globe Life (GL) | 0.5 | $117M | 842k | 139.17 | |
| Dutch Bros Cl A (BROS) | 0.5 | $117M | 2.3M | 50.66 | |
| Cloudflare Cl A Com (NET) | 0.5 | $112M | 542k | 206.34 | |
| Roku Com Cl A (ROKU) | 0.5 | $112M | 1.2M | 94.62 | |
| Xpo Logistics Inc equity (XPO) | 0.5 | $111M | 572k | 194.55 | |
| Fifth Third Ban (FITB) | 0.5 | $111M | 2.4M | 46.46 | |
| Everpure Cl A (PSTG) | 0.5 | $111M | 1.9M | 59.04 | |
| Kratos Defense & Sec Solutio Com New (KTOS) | 0.5 | $110M | 1.6M | 70.51 | |
| American Intl Group Com New (AIG) | 0.5 | $110M | 1.5M | 75.25 | |
| Snowflake Com Shs (SNOW) | 0.5 | $108M | 719k | 150.82 | |
| Primoris Services (PRIM) | 0.4 | $106M | 743k | 143.04 | |
| Jones Lang LaSalle Incorporated (JLL) | 0.4 | $106M | 348k | 304.32 | |
| Legence Corp Cl A (LGN) | 0.4 | $105M | 1.9M | 56.46 | |
| Legend Biotech Corp Sponsored Ads (LEGN) | 0.4 | $104M | 5.8M | 18.09 | |
| Key (KEY) | 0.4 | $104M | 5.2M | 20.05 | |
| Ross Stores (ROST) | 0.4 | $102M | 472k | 216.63 | |
| Palomar Hldgs (PLMR) | 0.4 | $102M | 854k | 119.50 | |
| Palo Alto Networks (PANW) | 0.4 | $102M | 637k | 160.32 | |
| Diamondback Energy (FANG) | 0.4 | $100M | 504k | 197.79 | |
| Palantir Technologies Cl A (PLTR) | 0.4 | $99M | 675k | 146.28 | |
| Semtech Corporation (SMTC) | 0.4 | $99M | 1.3M | 76.89 | |
| Woodward Governor Company (WWD) | 0.4 | $97M | 272k | 357.92 | |
| Arista Networks Com Shs (ANET) | 0.4 | $96M | 780k | 122.78 | |
| AutoZone (AZO) | 0.4 | $96M | 28k | 3377.77 | |
| Sharkninja Com Shs (SN) | 0.4 | $96M | 905k | 105.90 | |
| Coherent Corp (COHR) | 0.4 | $95M | 397k | 238.21 | |
| Astera Labs (ALAB) | 0.4 | $94M | 860k | 109.60 | |
| Braze Com Cl A (BRZE) | 0.4 | $94M | 4.0M | 23.61 | |
| Jabil Circuit (JBL) | 0.4 | $93M | 349k | 265.63 | |
| Lincoln Electric Holdings (LECO) | 0.4 | $89M | 358k | 249.08 | |
| Imax Corp Cad (IMAX) | 0.4 | $89M | 2.3M | 38.01 | |
| Genedx Holdings Corp Com Cl A (WGS) | 0.4 | $88M | 1.4M | 64.22 | |
| Garmin SHS (GRMN) | 0.4 | $87M | 376k | 232.01 | |
| Credo Technology Group Holdi Ordinary Shares (CRDO) | 0.4 | $87M | 926k | 93.87 | |
| F5 Networks (FFIV) | 0.4 | $86M | 299k | 289.33 | |
| East West Ban (EWBC) | 0.4 | $86M | 806k | 106.76 | |
| Life Time Group Holdings Common Stock (LTH) | 0.4 | $86M | 3.2M | 26.94 | |
| Birkenstock Holding Com Shs (BIRK) | 0.4 | $84M | 2.3M | 35.83 | |
| O'reilly Automotive (ORLY) | 0.3 | $82M | 888k | 92.31 | |
| Morgan Stanley Com New (MS) | 0.3 | $82M | 497k | 164.57 | |
| Xenon Pharmaceuticals (XENE) | 0.3 | $82M | 1.4M | 58.15 | |
| Alnylam Pharmaceuticals (ALNY) | 0.3 | $81M | 246k | 330.87 | |
| Firstcash Holdings (FCFS) | 0.3 | $81M | 432k | 188.00 | |
| IDEX Corporation (IEX) | 0.3 | $81M | 426k | 189.55 | |
| MasTec (MTZ) | 0.3 | $80M | 250k | 321.74 | |
| Houlihan Lokey Cl A (HLI) | 0.3 | $78M | 544k | 143.62 | |
| Plexus (PLXS) | 0.3 | $78M | 385k | 202.54 | |
| Karman Hldgs Common Stock (KRMN) | 0.3 | $77M | 964k | 80.05 | |
| Applied Industrial Technologies (AIT) | 0.3 | $77M | 289k | 265.32 | |
| Targa Res Corp (TRGP) | 0.3 | $77M | 305k | 250.73 | |
| Calix (CALX) | 0.3 | $76M | 1.5M | 48.99 | |
| Adaptive Biotechnologies Cor (ADPT) | 0.3 | $76M | 5.4M | 13.88 | |
| Wynn Resorts (WYNN) | 0.3 | $75M | 740k | 101.55 | |
| Clean Harbors (CLH) | 0.3 | $75M | 261k | 286.73 | |
| IDEXX Laboratories (IDXX) | 0.3 | $75M | 133k | 561.89 | |
| Vistra Energy (VST) | 0.3 | $74M | 495k | 150.33 | |
| Rockwell Automation (ROK) | 0.3 | $74M | 206k | 358.88 | |
| Guidewire Software (GWRE) | 0.3 | $73M | 487k | 149.56 | |
| C H Robinson Worldwide In Com New (CHRW) | 0.3 | $71M | 430k | 166.07 | |
| Lowe's Companies (LOW) | 0.3 | $71M | 301k | 236.28 | |
| Newamsterdam Pharma Company Ordinary Shares (NAMS) | 0.3 | $71M | 2.2M | 32.01 | |
| CSX Corporation (CSX) | 0.3 | $68M | 1.7M | 41.05 | |
| Onto Innovation (ONTO) | 0.3 | $67M | 327k | 205.07 | |
| Doordash Cl A (DASH) | 0.3 | $67M | 444k | 150.15 | |
| Red Rock Resorts Cl A (RRR) | 0.3 | $66M | 1.2M | 53.36 | |
| Casella Waste Sys Cl A (CWST) | 0.3 | $65M | 823k | 79.34 | |
| Packaging Corporation of America (PKG) | 0.3 | $65M | 304k | 212.22 | |
| Wintrust Financial Corporation (WTFC) | 0.3 | $63M | 455k | 138.94 | |
| Microchip Technology (MCHP) | 0.3 | $63M | 970k | 64.61 | |
| Masimo Corporation (MASI) | 0.3 | $61M | 341k | 177.87 | |
| Zscaler Incorporated (ZS) | 0.3 | $60M | 428k | 140.29 | |
| Healthequity (HQY) | 0.2 | $60M | 713k | 83.57 | |
| Descartes Sys Grp (DSGX) | 0.2 | $57M | 802k | 71.56 | |
| Procore Technologies (PCOR) | 0.2 | $57M | 1.0M | 57.00 | |
| Avient Corp (AVNT) | 0.2 | $57M | 1.6M | 36.30 | |
| Hubspot (HUBS) | 0.2 | $57M | 233k | 244.10 | |
| Stepstone Group Com Cl A (STEP) | 0.2 | $56M | 1.2M | 47.72 | |
| Installed Bldg Prods (IBP) | 0.2 | $55M | 208k | 265.15 | |
| Vita Coco Co Inc/the (COCO) | 0.2 | $55M | 1.2M | 47.91 | |
| Saia (SAIA) | 0.2 | $55M | 156k | 351.28 | |
| Moody's Corporation (MCO) | 0.2 | $54M | 124k | 436.25 | |
| Synopsys (SNPS) | 0.2 | $53M | 133k | 396.48 | |
| Parker-Hannifin Corporation (PH) | 0.2 | $52M | 59k | 895.24 | |
| Lattice Semiconductor (LSCC) | 0.2 | $52M | 563k | 92.76 | |
| Topbuild (BLD) | 0.2 | $52M | 149k | 351.30 | |
| Bank of America Corporation (BAC) | 0.2 | $52M | 1.1M | 48.75 | |
| Glaukos (GKOS) | 0.2 | $52M | 482k | 107.66 | |
| Kkr & Co (KKR) | 0.2 | $52M | 558k | 92.50 | |
| Coeur Mng Com New (CDE) | 0.2 | $51M | 2.7M | 18.77 | |
| salesforce (CRM) | 0.2 | $51M | 272k | 186.67 | |
| Marriott Intl Cl A (MAR) | 0.2 | $50M | 153k | 327.07 | |
| Madrigal Pharmaceuticals (MDGL) | 0.2 | $50M | 95k | 523.47 | |
| Affirm Hldgs Com Cl A (AFRM) | 0.2 | $50M | 1.1M | 45.82 | |
| Nxp Semiconductors N V (NXPI) | 0.2 | $49M | 248k | 196.86 | |
| J.B. Hunt Transport Services (JBHT) | 0.2 | $48M | 229k | 211.90 | |
| Dorman Products (DORM) | 0.2 | $48M | 461k | 104.36 | |
| Toast Cl A (TOST) | 0.2 | $48M | 1.8M | 26.51 | |
| Planet Labs Pbc Com Cl A (PL) | 0.2 | $46M | 1.6M | 27.95 | |
| Bio-techne Corporation (TECH) | 0.2 | $45M | 856k | 52.26 | |
| Robinhood Mkts Com Cl A (HOOD) | 0.2 | $44M | 633k | 69.30 | |
| Entegris (ENTG) | 0.2 | $44M | 372k | 117.24 | |
| Riot Blockchain (RIOT) | 0.2 | $43M | 3.5M | 12.36 | |
| Fair Isaac Corporation (FICO) | 0.2 | $43M | 40k | 1067.53 | |
| Talen Energy Corp (TLN) | 0.2 | $42M | 132k | 319.23 | |
| Corpay Com Shs (CPAY) | 0.2 | $42M | 143k | 290.99 | |
| Mongodb Cl A (MDB) | 0.2 | $40M | 165k | 244.77 | |
| Ionq Inc Pipe (IONQ) | 0.2 | $40M | 1.4M | 28.83 | |
| Hamilton Lane Cl A (HLNE) | 0.2 | $36M | 364k | 99.40 | |
| Micron Technology (MU) | 0.1 | $34M | 100k | 337.84 | |
| Freeport Mcmoran CL B (FCX) | 0.1 | $32M | 544k | 58.78 | |
| Option Care Health Com New (OPCH) | 0.1 | $32M | 1.2M | 26.92 | |
| Lendingclub Issuance Tr Ser Com New (LC) | 0.1 | $30M | 2.1M | 14.32 | |
| Spx Corp (SPXC) | 0.1 | $30M | 149k | 199.94 | |
| RadNet (RDNT) | 0.1 | $30M | 532k | 55.89 | |
| Fastenal Company (FAST) | 0.1 | $30M | 638k | 46.40 | |
| M/a (MTSI) | 0.1 | $29M | 133k | 222.07 | |
| Rigetti Computing Common Stock (RGTI) | 0.1 | $27M | 1.9M | 14.04 | |
| Caterpillar (CAT) | 0.1 | $23M | 32k | 708.45 | |
| Core Scientific (CORZ) | 0.1 | $22M | 1.5M | 14.96 | |
| Uranium Energy (UEC) | 0.1 | $21M | 1.6M | 13.50 | |
| Danaher Corporation (DHR) | 0.1 | $21M | 111k | 189.60 | |
| Oruka Therapeutics (ORKA) | 0.1 | $15M | 313k | 49.05 | |
| TransDigm Group Incorporated (TDG) | 0.1 | $15M | 13k | 1158.96 | |
| Pattern Group Com Ser A (PTRN) | 0.1 | $15M | 1.2M | 12.43 | |
| Alphabet Cap Stk Cl C (GOOG) | 0.1 | $15M | 51k | 286.86 | |
| Mueller Industries (MLI) | 0.1 | $14M | 126k | 110.80 | |
| Williams Companies (WMB) | 0.1 | $13M | 181k | 72.78 | |
| Applied Digital Corp Com New (APLD) | 0.1 | $13M | 542k | 23.74 | |
| Ciena Corp Com New (CIEN) | 0.1 | $12M | 32k | 388.23 | |
| Coca-Cola Company (KO) | 0.0 | $10M | 134k | 76.05 | |
| Sumitomo Mitsui Fin Grp Sponsored Adr (SMFG) | 0.0 | $9.0M | 458k | 19.75 | |
| Wal-Mart Stores (WMT) | 0.0 | $8.9M | 72k | 124.28 | |
| Johnson & Johnson (JNJ) | 0.0 | $8.8M | 36k | 244.44 | |
| Mitsubishi Ufj Financial Gro Sponsored Ads (MUFG) | 0.0 | $8.8M | 516k | 16.97 | |
| Cummins (CMI) | 0.0 | $8.3M | 15k | 538.02 | |
| Nextera Energy (NEE) | 0.0 | $8.1M | 87k | 92.88 | |
| TJX Companies (TJX) | 0.0 | $7.8M | 49k | 159.70 | |
| Wells Fargo & Company (WFC) | 0.0 | $7.0M | 88k | 79.61 | |
| Rollins (ROL) | 0.0 | $7.0M | 131k | 53.41 | |
| Home Depot (HD) | 0.0 | $6.7M | 20k | 328.89 | |
| Thermo Fisher Scientific (TMO) | 0.0 | $6.6M | 14k | 491.53 | |
| Trane Technologies SHS (TT) | 0.0 | $6.6M | 16k | 416.74 | |
| M&T Bank Corporation (MTB) | 0.0 | $6.2M | 30k | 206.72 | |
| Hershey Company (HSY) | 0.0 | $6.1M | 29k | 207.89 | |
| First Ctzns Bancshares Inc D Cl A (FCNCA) | 0.0 | $6.0M | 3.2k | 1884.66 | |
| Amgen (AMGN) | 0.0 | $6.0M | 17k | 351.85 | |
| Goldman Sachs (GS) | 0.0 | $6.0M | 7.1k | 845.99 | |
| McKesson Corporation (MCK) | 0.0 | $6.0M | 6.9k | 865.36 | |
| Banco Bilbao Vizcaya Argenta Sponsored Adr (BBVA) | 0.0 | $5.8M | 269k | 21.66 | |
| Raymond James Financial (RJF) | 0.0 | $5.8M | 40k | 144.79 | |
| McDonald's Corporation (MCD) | 0.0 | $5.6M | 18k | 310.79 | |
| Medtronic SHS (MDT) | 0.0 | $5.2M | 60k | 86.65 | |
| Merck & Co (MRK) | 0.0 | $5.2M | 43k | 120.29 | |
| Citigroup Com New (C) | 0.0 | $5.0M | 45k | 113.41 | |
| Heico Corp Cl A (HEI.A) | 0.0 | $4.2M | 20k | 211.09 | |
| Southern Copper Corporation (SCCO) | 0.0 | $4.2M | 24k | 172.06 | |
| Expedia Group Com New (EXPE) | 0.0 | $3.9M | 17k | 230.89 | |
| Pfizer (PFE) | 0.0 | $3.8M | 134k | 28.08 | |
| Gilead Sciences (GILD) | 0.0 | $3.7M | 27k | 139.37 | |
| Watsco, Incorporated (WSO) | 0.0 | $3.6M | 9.8k | 363.79 | |
| Pepsi (PEP) | 0.0 | $3.5M | 23k | 155.29 | |
| Dominion Resources (D) | 0.0 | $3.3M | 53k | 61.82 | |
| Cardinal Health (CAH) | 0.0 | $2.8M | 13k | 211.31 | |
| Abbvie (ABBV) | 0.0 | $2.3M | 11k | 217.49 | |
| Gartner (IT) | 0.0 | $2.3M | 14k | 158.34 | |
| Intuitive Surgical Com New (ISRG) | 0.0 | $1.9M | 4.0k | 460.99 | |
| Ishares Tr Rus 1000 Grw Etf (IWF) | 0.0 | $1.7M | 4.1k | 426.36 | |
| Dex (DXCM) | 0.0 | $1.7M | 27k | 62.80 | |
| Ranpak Holdings Corp Com Cl A (PACK) | 0.0 | $1.5M | 407k | 3.57 | |
| Rambus (RMBS) | 0.0 | $1.2M | 14k | 86.03 | |
| Vanguard Index Fds Growth Etf (VUG) | 0.0 | $1.1M | 2.4k | 436.73 | |
| Ishares Tr Rus Md Cp Gr Etf (IWP) | 0.0 | $1.1M | 8.3k | 128.12 | |
| Advanced Micro Devices (AMD) | 0.0 | $1.0M | 5.0k | 203.43 | |
| Monday SHS (MNDY) | 0.0 | $924k | 13k | 69.11 | |
| Genius Sports Shares Cl A (GENI) | 0.0 | $918k | 207k | 4.43 | |
| International Business Machines (IBM) | 0.0 | $805k | 3.3k | 242.39 | |
| UnitedHealth (UNH) | 0.0 | $749k | 2.8k | 270.59 | |
| Ishares Tr S&p 500 Grwt Etf (IVW) | 0.0 | $734k | 6.5k | 113.11 | |
| Waste Connections (WCN) | 0.0 | $726k | 4.5k | 162.44 | |
| EQT Corporation (EQT) | 0.0 | $677k | 11k | 63.64 | |
| Novo-nordisk A S Adr (NVO) | 0.0 | $629k | 17k | 36.75 | |
| Wabtec Corporation (WAB) | 0.0 | $622k | 2.5k | 249.91 | |
| Applovin Corp Com Cl A (APP) | 0.0 | $502k | 1.3k | 398.00 | |
| Ishares Tr S&p Mc 400gr Etf (IJK) | 0.0 | $494k | 4.9k | 100.62 | |
| Vertex Pharmaceuticals Incorporated (VRTX) | 0.0 | $386k | 864.00 | 446.54 | |
| Boston Scientific Corporation (BSX) | 0.0 | $374k | 6.0k | 62.75 | |
| Insulet Corporation (PODD) | 0.0 | $353k | 1.7k | 209.81 | |
| Core Natural Resources Com Shs (CNR) | 0.0 | $352k | 3.4k | 104.73 | |
| Cameco Corporation (CCJ) | 0.0 | $338k | 3.1k | 108.61 | |
| Applied Materials (AMAT) | 0.0 | $320k | 936.00 | 341.79 | |
| Ionis Pharmaceuticals (IONS) | 0.0 | $263k | 3.5k | 75.09 | |
| Scholar Rock Hldg Corp (SRRK) | 0.0 | $255k | 5.2k | 49.16 | |
| Avalo Therapeutics Com New (AVTX) | 0.0 | $234k | 16k | 14.93 | |
| Stag Industrial (STAG) | 0.0 | $233k | 6.5k | 36.06 | |
| Praxis Precision Medicines I Com New (PRAX) | 0.0 | $213k | 662.00 | 322.19 | |
| Immunovant (IMVT) | 0.0 | $213k | 8.6k | 24.84 | |
| Pulmonx Corp (LUNG) | 0.0 | $142k | 110k | 1.29 |
