CONGRESS ASSET MANAGEMENT CO
Long book
$13.95B
Q1 2026
Positions
417
Top-10 weight
19%
concentration
Last quarter
+15.4%
SPY +14.8%
Turnover
19%
of book per quarter
Strategy in plain words
auto-generated from filingsCONGRESS ASSET MANAGEMENT CO is an institutional manager, running a $13.95B US long book across 417 positions.
The portfolio is broadly diversified across 417 positions (top 10 only 19%). Turnover is modest: positions are typically held for years. Current anchor positions: NVIDIA CORP, APPLE INC, ALPHABET INC-CL A, MICROSOFT CORP, BROADCOM INC.
Over the last 9 quarters its long book ran on average 1.4pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+0.0%
Q2 2024
+5.3%
Q3 2024
+1.0%
Q4 2024
-6.4%
Q1 2025
+12.6%
Q2 2025
+5.7%
Q3 2025
-2.7%
Q4 2025
-2.7%
Q1 2026
+15.4%
Sector allocation
Technology 28%
Industrials 22%
Healthcare 12%
Consumer discretionary 11%
Financials 7%
Other 7%
Services media 7%
Materials 3%
Long book by quarter
What does CONGRESS ASSET own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 2.5M | $437.7M | 3.1% | -1.1% |
| AAPL APPLE INC | Technology | 1.6M | $414.1M | 3.0% | -0.7% |
| GOOGL ALPHABET INC-CL A | Technology | 1.1M | $303.2M | 2.2% | -1.1% |
| MSFT MICROSOFT CORP | Technology | 638.1K | $236.2M | 1.7% | -0.8% |
| AVGO BROADCOM INC | Technology | 757.7K | $234.5M | 1.7% | +3.6% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 216.0K | $215.3M | 1.5% | -0.7% |
| ANET ARISTA NETWORKS INC | Technology | 1.7M | $212.8M | 1.5% | -1.4% |
| STRL STERLING INFRASTRUCTURE INC | Industrials | 497.1K | $202.5M | 1.5% | +5.9% |
| TJX TJX COMPANIES INC | Consumer discretionary | 1.2M | $192.3M | 1.4% | -1.6% |
| AMZN AMAZON.COM INC | Consumer discretionary | 903.1K | $188.1M | 1.3% | -0.5% |
| HWM HOWMET AEROSPACE INC | Industrials | 796.4K | $183.5M | 1.3% | -1.2% |
| ETN EATON CORP PLC | Industrials | 503.7K | $180.2M | 1.3% | -0.9% |
| META META PLATFORMS INC-CLASS A | Technology | 303.9K | $173.9M | 1.2% | -0.5% |
| GEV GE VERNOVA INC | Industrials | 198.8K | $173.6M | 1.2% | +3.7% |
| V VISA INC-CLASS A SHARES | Services media | 562.1K | $169.9M | 1.2% | -1.0% |
| GS GOLDMAN SACHS GROUP INC | Financials | 189.4K | $160.2M | 1.1% | -26.1% |
| CW CURTISS-WRIGHT CORP | Industrials | 227.8K | $155.2M | 1.1% | -15.6% |
| TKO TKO GROUP HOLDINGS INC | Services media | 727.8K | $146.8M | 1.1% | +33.1% |
| ISRG INTUITIVE SURGICAL INC | Healthcare | 312.4K | $144.0M | 1.0% | -0.7% |
| PH PARKER HANNIFIN CORP | Industrials | 159.2K | $142.5M | 1.0% | -14.6% |
| MOD MODINE MANUFACTURING CO | Industrials | 650.7K | $141.0M | 1.0% | +14.4% |
| ORLY O'REILLY AUTOMOTIVE INC | Consumer discretionary | 1.5M | $140.7M | 1.0% | -0.8% |
| MLM MARTIN MARIETTA MATERIALS | Materials | 238.0K | $140.1M | 1.0% | -0.7% |
| NVT NVENT ELECTRIC PLC | Industrials | 1.1M | $132.7M | 1.0% | -3.0% |
| WMB WILLIAMS COS INC | Utilities | 1.8M | $132.5M | 0.9% | -1.4% |
| ECL ECOLAB INC | Other | 474.4K | $126.2M | 0.9% | -1.6% |
| APH AMPHENOL CORP-CL A | Technology | 967.3K | $122.2M | 0.9% | +0.5% |
| MOG/A MOOG INC-CLASS A | Industrials | 402.6K | $117.8M | 0.8% | +9.9% |
| PRIM PRIMORIS SERVICES CORP | Industrials | 818.1K | $117.0M | 0.8% | +0.3% |
| IDCC INTERDIGITAL INC | Financials | 386.0K | $116.6M | 0.8% | +9.9% |
| RMBS RAMBUS INC | Technology | 1.3M | $109.8M | 0.8% | -9.5% |
| ASML ASML HOLDING NV-NY REG SHS | Industrials | 82.6K | $109.1M | 0.8% | +538.5% |
| NOVT NOVANTA INC | Technology | 909.7K | $107.4M | 0.8% | +48.7% |
| HLT HILTON WORLDWIDE HOLDINGS IN | Services media | 352.6K | $107.2M | 0.8% | New |
| BOOT BOOT BARN HOLDINGS INC | Consumer discretionary | 717.6K | $105.0M | 0.8% | +15.3% |
| PEN PENUMBRA INC | Healthcare | 317.3K | $104.2M | 0.7% | -17.0% |
| NVMI NOVA LTD | Other | 239.7K | $104.1M | 0.7% | -17.7% |
| BSX BOSTON SCIENTIFIC CORP | Healthcare | 1.6M | $102.3M | 0.7% | -1.2% |
| UFPT UFP TECHNOLOGIES INC | Healthcare | 523.4K | $101.3M | 0.7% | +18.7% |
| LGND LIGAND PHARMACEUTICALS | Healthcare | 504.6K | $100.8M | 0.7% | +5.1% |
| UBER UBER TECHNOLOGIES INC | Services media | 1.4M | $100.5M | 0.7% | -2.8% |
| NPO ENPRO INC | Other | 398.4K | $99.9M | 0.7% | +5.9% |
| TMO THERMO FISHER SCIENTIFIC INC | Other | 200.3K | $98.4M | 0.7% | -4.2% |
| LLY ELI LILLY & CO | Healthcare | 104.1K | $95.8M | 0.7% | +653.4% |
| ALNY ALNYLAM PHARMACEUTICALS INC | Healthcare | 285.7K | $94.5M | 0.7% | +6.1% |
| RGEN REPLIGEN CORP | Healthcare | 797.9K | $94.0M | 0.7% | +6.9% |
| SHOP SHOPIFY INC - CLASS A | Technology | 792.0K | $93.9M | 0.7% | -1.3% |
| IDXX IDEXX LABORATORIES INC | Materials | 166.7K | $93.7M | 0.7% | +8.3% |
| PWR QUANTA SERVICES INC | Industrials | 170.2K | $93.4M | 0.7% | -4.2% |
| MCO MOODY'S CORP | Services media | 213.3K | $93.1M | 0.7% | -2.0% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | Apr 14, 2026 | 417 | $13.95B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 9, 2026 | 381 | $14.21B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 10, 2025 | 392 | $15.03B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 16, 2025 | 382 | $14.58B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 11, 2025 | 5840 | $13.37B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 30, 2025 | 6176 | $14.80B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 28, 2024 | 5712 | $14.67B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 2, 2024 | 5824 | $13.95B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | Apr 11, 2024 | 5712 | $14.02B | canonical | SEC ↗ |
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