Congress Asset Management Co holds a diversified book of 417 stocks worth $14.0B as of Q1 2026 (disclosed Apr 14, 2026, a ~45-day 13F lag). This quarter they opened Hilton Worldwide Holdings In and trimmed Nvidia Corp. Their largest long position is Nvidia Corp at 3% of the equity book.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/897378/holdings"
Use Arkolith to show CONGRESS ASSET MANAGEMENT CO's latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
98% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Nvidia Corp. COM | $437.7M | 2.51M | 3.1% | ▼−1.1% Reduced · −27K sh | |
| 2 | Apple Inc. COM | $414.1M | 1.63M | 3.0% | ▼−0.7% Reduced · −12K sh | |
| 3 | Alphabet Inc. COM | $303.2M | 1.05M | 2.2% | ▼−1.1% Reduced · −12K sh | |
| 4 | Microsoft Corp. COM | $236.2M | 638.1K | 1.7% | ▼−0.8% Reduced · −5K sh | |
| 5 | Broadcom Inc COM | $234.5M | 757.7K | 1.7% | ▲+3.6% Added · +26K sh | |
| 6 | Costco Wholesale Corporation COM | $215.3M | 216.0K | 1.5% | ▼−0.7% Reduced · −1K sh | |
| 7 | Arista Networks Inc COM | $212.8M | 1.73M | 1.5% | ▼−1.4% Reduced · −25K sh | |
| 8 | Sterling Infrastructure Inc COM | $202.5M | 497.1K | 1.5% | ▲+5.9% Added · +28K sh | |
| 9 | The TJX Companies Inc. COM | $192.3M | 1.20M | 1.4% | ▼−1.6% Reduced · −19K sh | |
| 10 | Amazon.com, Inc. COM | $188.1M | 903.1K | 1.3% | ▼−0.5% Reduced · −4K sh | |
| 11 | Howmet Aerospace Inc COM | $183.5M | 796.4K | 1.3% | ▼−1.2% Reduced · −10K sh | |
| 12 | Eaton Corporation PLC COM | $180.2M | 503.7K | 1.3% | ▼−0.9% Reduced · −4K sh | |
| 13 | Meta Platforms Inc COM | $173.9M | 303.9K | 1.2% | ▼−0.5% Reduced · −2K sh | |
| 14 | GE Vernova Inc. COM | $173.6M | 198.8K | 1.2% | ▲+3.7% Added · +7K sh | |
| 15 | Visa Inc COM | $169.9M | 562.1K | 1.2% | ▼−1.0% Reduced · −6K sh | |
| 16 | Goldman Sachs Group, Inc. COM | $160.2M | 189.4K | 1.1% | ▼−26% Reduced · −67K sh | |
| 17 | Curtiss-Wright Corp. COM | $155.2M | 227.8K | 1.1% | ▼−16% Reduced · −42K sh | |
| 18 | Welltower Inc. COM | $148.3M | 750.2K | 1.1% | ▼−0.4% Reduced · −3K sh | |
| 19 | TKO Group Holdings Inc. COM | $146.8M | 727.8K | 1.1% | ▲+33% Added · +181K sh | |
| 20 | Intuitive Surgical Inc. COM | $144.0M | 312.4K | 1.0% | ▼−0.7% Reduced · −2K sh | |
| 21 | Parker-Hannifin Corp. COM | $142.5M | 159.2K | 1.0% | ▼−15% Reduced · −27K sh | |
| 22 | Modine Manufacturing Co. COM | $141.0M | 650.7K | 1.0% | ▲+14% Added · +82K sh | |
| 23 | O'Reilly Automotive Inc. COM | $140.7M | 1.52M | 1.0% | ▼−0.8% Reduced · −12K sh | |
| 24 | Martin Marietta Materials Inc COM | $140.1M | 238.0K | 1.0% | ▼−0.7% Reduced · −2K sh | |
| 25 | NVent Electric PLC COM | $132.7M | 1.12M | 1.0% | ▼−3.0% Reduced · −35K sh | |
| 26 | Williams Companies Inc. (The) COM | $132.5M | 1.82M | 0.9% | ▼−1.4% Reduced · −25K sh | |
| 27 | Ecolab Inc. COM | $126.2M | 474.4K | 0.9% | ▼−1.6% Reduced · −8K sh | |
| 28 | Amphenol Corporation COM | $122.2M | 967.3K | 0.9% | ▲+0.5% Added · +5K sh | |
| 29 | Moog Inc. COM | $117.8M | 402.6K | 0.8% | ▲+9.9% Added · +36K sh | |
| 30 | Primoris Services Corp. COM | $117.0M | 818.1K | 0.8% | ▲+0.3% Added · +3K sh | |
| 31 | InterDigital, Inc. COM | $116.6M | 386.0K | 0.8% | ▲+9.9% Added · +35K sh | |
| 32 | Rambus Inc. COM | $109.8M | 1.28M | 0.8% | ▼−9.5% Reduced · −135K sh | |
| 33 | ASML Holding N.V. COM | $109.1M | 82.6K | 0.8% | ▲+539% Added · +70K sh | |
| 34 | Novanta Inc COM | $107.4M | 909.7K | 0.8% | ▲+49% Added · +298K sh | |
| 35 | Hilton Worldwide Holdings Inc COM | $107.2M | 352.6K | 0.8% | ▲New New position | |
| 36 | Boot Barn Holdings Inc COM | $105.0M | 717.6K | 0.8% | ▲+15% Added · +95K sh | |
| 37 | Penumbra Inc. COM | $104.2M | 317.3K | 0.7% | ▼−17% Reduced · −65K sh | |
| 38 | Nova Ltd COM | $104.1M | 239.7K | 0.7% | ▼−18% Reduced · −52K sh | |
| 39 | Boston Scientific Corporation COM | $102.3M | 1.63M | 0.7% | ▼−1.2% Reduced · −20K sh | |
| 40 | UFP Technologies Inc. COM | $101.3M | 523.4K | 0.7% | ▲+19% Added · +82K sh | |
| 41 | Ligand Pharmaceuticals Incorporated COM | $100.8M | 504.6K | 0.7% | ▲+5.1% Added · +25K sh | |
| 42 | Uber Technologies Inc COM | $100.5M | 1.40M | 0.7% | ▼−2.8% Reduced · −40K sh | |
| 43 | Enpro Inc COM | $99.9M | 398.4K | 0.7% | ▲+5.9% Added · +22K sh | |
| 44 | Thermo Fisher Scientific Inc COM | $98.4M | 200.3K | 0.7% | ▼−4.2% Reduced · −9K sh | |
| 45 | Eli Lilly & Co. COM | $95.8M | 104.1K | 0.7% | ▲+653% Added · +90K sh | |
| 46 | Alnylam Pharmaceuticals Inc. COM | $94.5M | 285.7K | 0.7% | ▲+6.1% Added · +17K sh | |
| 47 | Repligen Corporation COM | $94.0M | 797.9K | 0.7% | ▲+6.9% Added · +52K sh | |
| 48 | Shopify Inc COM | $93.9M | 792.0K | 0.7% | ▼−1.3% Reduced · −10K sh | |
| 49 | IDEXX Laboratories Inc. COM | $93.7M | 166.7K | 0.7% | ▲+8.3% Added · +13K sh | |
| 50 | Quanta Services, Inc. COM | $93.4M | 170.2K | 0.7% | ▼−4.2% Reduced · −7K sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | Apr 14, 2026 | 417 | $14.0B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 9, 2026 | 381 | $14.2B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Oct 10, 2025 | 392 | $15.0B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Jul 16, 2025 | 382 | $14.6B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Apr 11, 2025 | 365 | $13.4B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Jan 30, 2025 | 386 | $14.8B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Oct 28, 2024 | 357 | $14.7B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 2, 2024 | 364 | $14.0B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | Apr 11, 2024 | 357 | $14.0B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Mar 4, 2024 | 371 | $12.7B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 1, 2023 | 374 | $11.3B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Jul 27, 2023 | 373 | $11.5B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | Apr 21, 2023 | 368 | $10.7B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Jan 18, 2023 | 375 | $10.0B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 8, 2022 | 365 | $9.3B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 2, 2022 | 366 | $10.4B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | Apr 20, 2022 | 361 | $11.8B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Jan 28, 2022 | 366 | $13.1B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 8, 2021 | 357 | $12.8B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 5, 2021 | 362 | $12.0B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 5, 2021 | 355 | $11.1B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Jan 26, 2021 | 349 | $10.6B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 3, 2020 | 334 | $9.2B | 13F-HR |
| Q2 2020 | Jun 30, 2020 | Jul 23, 2020 | 323 | $8.4B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.