Congress Asset Management Co 13F holdings
Congress Asset Management Co reported 375 positions with a total reported value of $16.3B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-07-07. Top holdings by reported value: NVDA NVIDIA Corp. (3.2%), AAPL Apple Inc. (2.9%), GOOGL Alphabet Inc. (2.4%), MSFT Microsoft Corp. (1.9%), AVGO Broadcom Inc (1.7%). Against 2026-03-31 it opened 31 new positions and exited 72. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 375 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| NVDA NVIDIA Corp. | 2,627,947 | $525.8M | 3.2% |
| AAPL Apple Inc. | 1,609,746 | $465.8M | 2.9% |
| GOOGL Alphabet Inc. | 1,083,252 | $386.9M | 2.4% |
| MSFT Microsoft Corp. | 815,323 | $304.1M | 1.9% |
| AVGO Broadcom Inc | 738,306 | $278.9M | 1.7% |
| V Visa Inc | 663,519 | $227.6M | 1.4% |
| GEV GE Vernova Inc. | 192,672 | $226.4M | 1.4% |
| APH Amphenol Corporation | 1,220,821 | $215.3M | 1.3% |
| LGND Ligand Pharmaceuticals Incorporated | 659,911 | $208.6M | 1.3% |
| ANET Arista Networks Inc | 1,176,606 | $199.9M | 1.2% |
| COST Costco Wholesale Corporation | 208,851 | $195.4M | 1.2% |
| STRL Sterling Infrastructure Inc | 230,412 | $193.4M | 1.2% |
| GS Goldman Sachs Group, Inc. | 182,093 | $184.2M | 1.1% |
| UFPT UFP Technologies Inc. | 687,439 | $182.3M | 1.1% |
| ETN Eaton Corporation PLC | 413,077 | $176.0M | 1.1% |
| ASML ASML Holding N.V. | 88,265 | $175.6M | 1.1% |
| AMZN Amazon.com, Inc. | 733,843 | $174.9M | 1.1% |
| MOG-A Moog Inc. | 406,324 | $172.2M | 1.1% |
| MDB MongoDB Inc. | 511,227 | $171.7M | 1.1% |
| Modine Manufacturing Co. | 629,268 | $168.0M | 1.0% |
| HWM Howmet Aerospace Inc | 622,443 | $167.4M | 1.0% |
| NVT NVent Electric PLC | 983,875 | $166.9M | 1.0% |
| META Meta Platforms Inc | 292,203 | $164.6M | 1.0% |
| WELL Welltower Inc. | 721,601 | $163.8M | 1.0% |
| NPO Enpro Inc | 433,112 | $163.3M | 1.0% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 31 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| ARM Arm Holdings PLC | 409,049 | $145.0M | 0.9% |
| KLIC Kulicke and Soffa Industries, Inc. | 878,002 | $117.4M | 0.7% |
| AROC Archrock Inc | 2,213,208 | $90.1M | 0.6% |
| COCO The Vita Coco Company Inc | 1,207,102 | $79.8M | 0.5% |
| POWI Power Integrations Inc. | 930,059 | $77.9M | 0.5% |
| AXON Axon Enterprise Inc | 138,822 | $77.8M | 0.5% |
| MU Micron Technology Inc. | 59,538 | $68.7M | 0.4% |
| ROKU Roku Inc | 266,609 | $36.8M | 0.2% |
| TWLO Twilio Inc | 138,114 | $28.5M | 0.2% |
| GMED Globus Med Inc | 338,625 | $26.8M | 0.2% |
| IOT Samsara Inc | 816,215 | $26.5M | 0.2% |
| KLAC KLA Corp. | 78,629 | $23.7M | 0.1% |
| TMDX TransMedics Group Inc. | 227,834 | $15.1M | <0.1% |
| KRYS Krystal Biotech Inc | 40,134 | $14.9M | <0.1% |
| NBIX Neurocrine Biosciences Inc | 82,486 | $13.9M | <0.1% |
| AMRX Amneal Pharmaceuticals Inc | 782,778 | $13.5M | <0.1% |
| AOSL Alpha & Omega Semiconductor Ltd. | 203,460 | $9.6M | <0.1% |
| KVYO Klaviyo Inc | 636,230 | $9.6M | <0.1% |
| Central Pacific Financial Corp. | 241,153 | $9.2M | <0.1% |
| DXPE DXP Enterprises Inc. | 52,592 | $8.9M | <0.1% |
| SNOW Snowflake Inc | 31,420 | $8.0M | <0.1% |
| OSBC Old Second Bancorp Inc. | 338,650 | $7.9M | <0.1% |
| IDYA IDEAYA Biosciences Inc. | 117,713 | $4.4M | <0.1% |
| Litman Gregory Funds Trust IMGP DBI MANAGED FUTURES STRATEGY ETF | 50,625 | $1.5M | <0.1% |
| PM Philip Morris International Inc. | 3,287 | $594.7K | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 72 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| DT Dynatrace Inc | 1,808,854 | $66.9M | 0.5% |
| HLI Houlihan Lokey Inc. | 232,980 | $33.5M | 0.2% |
| GWRE Guidewire Software Inc | 202,874 | $30.3M | 0.2% |
| PBH Prestige Consumer Healthcare Inc | 450,200 | $26.7M | 0.2% |
| PTC PTC Inc | 172,771 | $24.6M | 0.2% |
| AZTA Azenta Inc | 1,145,635 | $24.2M | 0.2% |
| PODD Insulet Corporation | 105,228 | $22.1M | 0.2% |
| IESC IES Holdings Inc. | 43,513 | $20.7M | 0.1% |
| KNSL Kinsale Capital Group Inc | 41,883 | $14.3M | 0.1% |
| MORN Morningstar Inc | 77,405 | $13.1M | <0.1% |
| POOL Pool Corporation | 53,196 | $10.8M | <0.1% |
| SPSC SPS Commerce Inc | 174,758 | $9.7M | <0.1% |
| PRAX Praxis Precision Medicines Inc | 24,839 | $8.0M | <0.1% |
| FSV FirstService Corp. | 43,743 | $6.1M | <0.1% |
| Arcellx Inc | 47,551 | $5.5M | <0.1% |
| CWST Casella Waste Systems, Inc. | 64,938 | $5.2M | <0.1% |
| AIR AAR Corp. | 46,692 | $5.1M | <0.1% |
| Asgn Incorporated | 125,326 | $4.9M | <0.1% |
| LGN Legence Corp. | 85,794 | $4.8M | <0.1% |
| AORT Artivion Inc | 127,103 | $4.7M | <0.1% |
| HL Hecla Mining Company | 206,892 | $3.9M | <0.1% |
| ACAD Acadia Pharmaceuticals Inc | 160,794 | $3.6M | <0.1% |
| CDNL Cardinal Infrastructure Group Inc. | 87,372 | $3.5M | <0.1% |
| LRN Stride Inc | 36,138 | $3.2M | <0.1% |
| STEP StepStone Group Inc | 62,909 | $3.0M | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| MIR Mirion Technologies Inc | 1,114,061 | 6,685,434 | +500.1% | $119.9M |
| Texas Instruments Inc. | 4,480 | 265,222 | +5,820.1% | $79.1M |
| COHR Coherent Corp | 1,200 | 190,782 | +15,798.5% | $75.3M |
| MDB MongoDB Inc. | 301,897 | 511,227 | +69.3% | $171.7M |
| MSFT Microsoft Corp. | 638,107 | 815,323 | +27.8% | $304.1M |
| VCEL Vericel Corporation | 1,506,918 | 2,916,295 | +93.5% | $129.7M |
| LGND Ligand Pharmaceuticals Incorporated | 504,637 | 659,911 | +30.8% | $208.6M |
| IBKR Interactive Brokers Group Inc | 971,529 | 1,527,739 | +57.3% | $133.0M |
| APH Amphenol Corporation | 967,292 | 1,220,821 | +26.2% | $215.3M |
| UFPT UFP Technologies Inc. | 523,438 | 687,439 | +31.3% | $182.3M |
| IMAX IMAX Corporation | 1,510,375 | 2,537,290 | +68.0% | $101.1M |
| UTI Universal Technical Institute, Inc. | 2,152,978 | 3,000,595 | +39.4% | $128.3M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| STRL Sterling Infrastructure Inc | 497,098 | 230,412 | -53.6% | $193.4M |
| MLM Martin Marietta Materials Inc | 237,971 | 60,950 | -74.4% | $35.1M |
| PEN Penumbra Inc. | 317,337 | 12,191 | -96.2% | $3.8M |
| TMO Thermo Fisher Scientific Inc | 200,288 | 8,475 | -95.8% | $4.2M |
| ANET Arista Networks Inc | 1,732,854 | 1,176,606 | -32.1% | $199.9M |
| Primoris Services Corp. | 818,096 | 5,942 | -99.3% | $589.0K |
| NOW Servicenow Inc | 815,871 | 19,314 | -97.6% | $1.9M |
| YETI Yeti Holdings Inc | 1,401,440 | 6,470 | -99.5% | $320.7K |
| BSX Boston Scientific Corporation | 1,629,485 | 10,247 | -99.4% | $437.3K |
| RMBS Rambus Inc. | 1,275,978 | 777,993 | -39.0% | $103.3M |
| CALX Calix Inc. | 1,644,289 | 8,898 | -99.5% | $332.1K |
| NVMI Nova Ltd | 239,708 | 127,910 | -46.6% | $69.4M |
CIK 897378 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
More 13F data
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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