CONGRESS ASSET MANAGEMENT CO — 13F Holdings & Portfolio
CIK 897378 · latest 13F-HR filed 2026-04-14
CONGRESS ASSET MANAGEMENT CO manages $13.95B in 13F-reported U.S. long-equity assets across 417 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NVDA (3.14%), AAPL (2.97%), GOOGL (2.17%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 60 new positions, exited 24, added to 151, and trimmed 141.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$13.95B
Long-equity book
417
Distinct positions
2026-03-31
Filed 2026-04-14
+60 / −24 / ↑151 / ↓141
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ASML Holding N.V.$95.3M +688.3%
- Eli Lilly & Co.$80.9M +544.8%
- Modine Manufacturing Co.$65.1M +85.7%
- Sterling Infrastructure Inc$58.8M +40.9%
- Interactive Brokers Group Inc$58.5M +878.1%
Top Trims
- Synopsys Inc-$114.9M -93.5%
- Dell Technologies Inc-$113.0M -82.5%
- Netflix, Inc.-$106.9M -82.5%
- Palo Alto Networks Inc-$99.7M -99.1%
- Microsoft Corp.-$74.8M -24.1%
New Positions
- Hilton Worldwide Holdings Inc$107.2M
- LivaNova PLC$81.0M
- IMAX Corporation$57.4M
- JFrog Ltd$47.5M
- Qnity Electronics Inc.$39.3M
Exited Positions
- Cyberark Software Ltd.$59.7M
- Brown & Brown Inc$46.3M
- Pinterest Inc$33.9M
- Clearwater Analytics Holdings Inc$20.2M
- Duolingo Inc$10.8M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | NVIDIA Corp. | NVDA | 67066G104 | $437.7M | 3.14% | 2,510,028 | SH |
| 2 | Apple Inc. | AAPL | 037833100 | $414.1M | 2.97% | 1,631,485 | SH |
| 3 | Alphabet Inc. | GOOGL | 02079K305 | $303.2M | 2.17% | 1,054,554 | SH |
| 4 | Microsoft Corp. | MSFT | 594918104 | $236.2M | 1.69% | 638,107 | SH |
| 5 | Broadcom Inc | AVGO | 11135F101 | $234.5M | 1.68% | 757,731 | SH |
| 6 | Costco Wholesale Corporation | COST | 22160K105 | $215.3M | 1.54% | 216,024 | SH |
| 7 | Arista Networks Inc | ANET | 040413205 | $212.8M | 1.52% | 1,732,854 | SH |
| 8 | Sterling Infrastructure Inc | STRL | 859241101 | $202.5M | 1.45% | 497,098 | SH |
| 9 | The TJX Companies Inc. | TJX | 872540109 | $192.3M | 1.38% | 1,203,988 | SH |
| 10 | Amazon.com, Inc. | AMZN | 023135106 | $188.1M | 1.35% | 903,120 | SH |
| 11 | Howmet Aerospace Inc | HWM | 443201108 | $183.5M | 1.32% | 796,404 | SH |
| 12 | Eaton Corporation PLC | ETN | G29183103 | $180.2M | 1.29% | 503,728 | SH |
| 13 | Meta Platforms Inc | META | 30303M102 | $173.9M | 1.25% | 303,914 | SH |
| 14 | GE Vernova Inc. | GEV | 36828A101 | $173.6M | 1.24% | 198,825 | SH |
| 15 | Visa Inc | V | 92826C839 | $169.9M | 1.22% | 562,093 | SH |
| 16 | Goldman Sachs Group, Inc. | GS | 38141G104 | $160.2M | 1.15% | 189,415 | SH |
| 17 | Curtiss-Wright Corp. | CW | 231561101 | $155.2M | 1.11% | 227,835 | SH |
| 18 | Welltower Inc. | WELL | 95040Q104 | $148.3M | 1.06% | 750,200 | SH |
| 19 | TKO Group Holdings Inc. | TKO | 87256C101 | $146.8M | 1.05% | 727,806 | SH |
| 20 | Intuitive Surgical Inc. | ISRG | 46120E602 | $144.0M | 1.03% | 312,410 | SH |
| 21 | Parker-Hannifin Corp. | PH | 701094104 | $142.5M | 1.02% | 159,176 | SH |
| 22 | Modine Manufacturing Co. | MOD | 607828100 | $141.0M | 1.01% | 650,673 | SH |
| 23 | O'Reilly Automotive Inc. | ORLY | 67103H107 | $140.7M | 1.01% | 1,524,657 | SH |
| 24 | Martin Marietta Materials Inc | MLM | 573284106 | $140.1M | 1.00% | 237,971 | SH |
| 25 | NVent Electric PLC | NVT | G6700G107 | $132.7M | 0.95% | 1,121,791 | SH |
| 26 | Williams Companies Inc. (The) | WMB | 969457100 | $132.5M | 0.95% | 1,819,871 | SH |
| 27 | Ecolab Inc. | ECL | 278865100 | $126.2M | 0.90% | 474,438 | SH |
| 28 | Amphenol Corporation | APH | 032095101 | $122.2M | 0.88% | 967,292 | SH |
| 29 | Moog Inc. | MOG.A | 615394202 | $117.8M | 0.84% | 402,562 | SH |
| 30 | Primoris Services Corp. | PRIM | 74164F103 | $117.0M | 0.84% | 818,096 | SH |
| 31 | InterDigital, Inc. | IDCC | 45867G101 | $116.6M | 0.84% | 386,013 | SH |
| 32 | Rambus Inc. | RMBS | 750917106 | $109.8M | 0.79% | 1,275,978 | SH |
| 33 | ASML Holding N.V. | ASML | N07059210 | $109.1M | 0.78% | 82,626 | SH |
| 34 | Novanta Inc | NOVT | 67000B104 | $107.4M | 0.77% | 909,710 | SH |
| 35 | Hilton Worldwide Holdings Inc | HLT | 43300A203 | $107.2M | 0.77% | 352,636 | SH |
| 36 | Boot Barn Holdings Inc | BOOT | 099406100 | $105.0M | 0.75% | 717,574 | SH |
| 37 | Penumbra Inc. | PEN | 70975L107 | $104.2M | 0.75% | 317,337 | SH |
| 38 | Nova Ltd | NVMI | M7516K103 | $104.1M | 0.75% | 239,708 | SH |
| 39 | Boston Scientific Corporation | BSX | 101137107 | $102.3M | 0.73% | 1,629,485 | SH |
| 40 | UFP Technologies Inc. | UFPT | 902673102 | $101.3M | 0.73% | 523,438 | SH |
| 41 | Ligand Pharmaceuticals Incorporated | LGND | 53220K504 | $100.8M | 0.72% | 504,637 | SH |
| 42 | Uber Technologies Inc | UBER | 90353T100 | $100.5M | 0.72% | 1,396,539 | SH |
| 43 | Enpro Inc | NPO | 29355X107 | $99.9M | 0.72% | 398,431 | SH |
| 44 | Thermo Fisher Scientific Inc | TMO | 883556102 | $98.4M | 0.71% | 200,288 | SH |
| 45 | Eli Lilly & Co. | LLY | 532457108 | $95.8M | 0.69% | 104,102 | SH |
| 46 | Alnylam Pharmaceuticals Inc. | ALNY | 02043Q107 | $94.5M | 0.68% | 285,739 | SH |
| 47 | Repligen Corporation | RGEN | 759916109 | $94.0M | 0.67% | 797,867 | SH |
| 48 | Shopify Inc | SHOP | 82509L107 | $93.9M | 0.67% | 791,990 | SH |
| 49 | IDEXX Laboratories Inc. | IDXX | 45168D104 | $93.7M | 0.67% | 166,686 | SH |
| 50 | Quanta Services, Inc. | PWR | 74762E102 | $93.4M | 0.67% | 170,192 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-14 | $13.95B | 417 | 0000897378-26-000005 |
| 2025-12-31 | 2026-01-09 | $14.21B | 381 | 0000897378-26-000002 |