NewAmsterdam Pharma Co N.V.
NAMS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001936258
In the last 90 days, NewAmsterdam Pharma Co N.V. insiders filed 1 open-market purchase and 3 sales; 194 institutions reported holding it in 13F filings for Q2 2026, worth $4.13B in total; 3 superinvestors hold it, including Viking Global Investors and Maverick Capital.
Other share classesNAMSW
13F holders, Q3 2025
Institutional positions in NewAmsterdam Pharma Co N.V. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 137
- +6 vs. Q2 2025
- Shares held
- 120.6M
- +4.22M (+3.6%) vs. Q2 2025
- Total value
- $3.43B
- +$1.32B (+62.7%) vs. Q2 2025
- New holders
- 21
- 48 more added
- Sold out
- 15
- 40 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NAMS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 194 | $4.13B |
| Q1 2026 | 171 | $3.96B |
| Q4 2025 | 187 | $4.19B |
| Q3 2025 | 137 | $3.43B |
| Q2 2025 | 131 | $2.11B |
| Q1 2025 | 126 | $2.28B |
| Q4 2024 | 131 | $2.53B |
| Q3 2024 | 100 | $1.28B |
| Q2 2024 | 90 | $1.38B |
| Q1 2024 | 76 | $1.71B |
| Q4 2023 | 32 | $691.4M |
| Q3 2023 | 35 | $464.1M |
| Q2 2023 | 29 | $580.6M |
| Q1 2023 | 19 | $444.9M |
| Q4 2022 | 14 | $362.2M |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DuPont Capital Management Corp | 1 | $28 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 2 | $57 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 3 | $85 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 8 | $228 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 8 | $228 | 0.00% | +8 | New |
| Kilter Group LLC | 10 | $285 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 16 | $455 | 0.00% | +16 | New |
| True Wealth Design, LLC | 21 | $598 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 88 | $2.50K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 135 | $3.84K | 0.00% | −137−50.4% | Reduced |
| SRS Capital Advisors, Inc. | 174 | $4.95K | 0.00% | +174 | New |
| Jones Financial Companies LLLP | 249 | $7.10K | 0.00% | 00.0% | Unchanged |
| Roxbury Financial LLC | 324 | $9.21K | 0.01% | +60+22.7% | Added |
| Stone House Investment Management, LLC | 325 | $9.24K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 375 | $11.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 580 | $16.5K | 0.00% | +30+5.5% | Added |
| Wells Fargo & Company | 600 | $17.1K | 0.00% | +400+200.0% | Added |
| Signaturefd, LLC | 647 | $18.4K | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 975 | $27.7K | 0.00% | +975 | New |
| CWM, LLC | 979 | $28.0K | 0.00% | +42+4.5% | Added |
| Mather Group, LLC. | 1,000 | $28.4K | 0.00% | +1,000 | New |
| Cheviot Value Management, LLC | 796 | $28.8K | 0.00% | 00.0% | Unchanged |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 1,067 | $30.3K | 0.06% | +1,067 | New |
| Group One Trading, L.P. | 1,097 | $31.2K | 0.00% | +872+387.6% | Added |
| Parallel Advisors, LLC | 1,400 | $39.8K | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 1,949 | $55.3K | 0.00% | −32−1.6% | Reduced |
| GF Fund Management Co. Ltd. | 2,423 | $68.9K | 0.00% | +58+2.5% | Added |
| Wolverine Asset Management LLC | 2,429 | $69.1K | 0.00% | +2,429 | New |
| Tower Research Capital LLC (TRC) | 2,972 | $84.5K | 0.00% | +2,424+442.3% | Added |
| Simplex Trading, LLC | 3,372 | $95.0K | 0.00% | −2,232−39.8% | Reduced |
| The PNC Financial Services Group, Inc. | 3,616 | $102.8K | 0.00% | −978−21.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 4,354 | $123.8K | 0.00% | +17+0.4% | Added |
| Citigroup Inc | 5,102 | $145.1K | 0.00% | +355+7.5% | Added |
| Virtus Investment Advisers, Inc. | 5,411 | $153.9K | 0.04% | +940+21.0% | Added |
| Barclays PLC | 5,718 | $162.6K | 0.00% | −12,153−68.0% | Reduced |
| Quarry LP | 6,875 | $195.5K | 0.05% | −125−1.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,404 | $210.6K | 0.00% | −136−1.8% | Reduced |
| Marshall Financial Group Inc | 7,500 | $213.3K | 0.06% | +7,500 | New |
| Avanza Fonder AB | 7,505 | $213.4K | 0.01% | 00.0% | Unchanged |
| XTX Topco Ltd | 7,579 | $215.5K | 0.01% | +7,579 | New |
| CIBC Private Wealth Group, LLC | 7,640 | $217.3K | 0.00% | 00.0% | Unchanged |
| Mesirow Financial Investment Management, Inc. | 8,215 | $233.6K | 0.00% | +8,215 | New |
| KLP Kapitalforvaltning AS | 9,100 | $258.8K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 10,196 | $290.0K | 0.00% | +10,196 | New |
| Teacher Retirement System of Texas | 10,783 | $306.7K | 0.00% | −917−7.8% | Reduced |
| Letko, Brosseau & Associates Inc | 11,775 | $334.9K | 0.01% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 12,000 | $341.3K | 0.00% | +12,000 | New |
| Bank of Montreal | 12,388 | $352.3K | 0.00% | +12,388 | New |
| Arizona State Retirement System | 13,251 | $376.9K | 0.00% | +483+3.8% | Added |
| Verition Fund Management LLC | 13,828 | $393.3K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 13,900 | $395.3K | 0.00% | +13,900 | New |
| Bellevue Group AG | 14,611 | $415.5K | 0.01% | −5,944−28.9% | Reduced |
| PTM Wealth Management, LLC | 12,900 | $419.0K | 0.25% | 00.0% | Unchanged |
| Keybank National Association | 16,014 | $455.4K | 0.00% | +16,014 | New |
| TD Asset Management Inc | 18,000 | $511.9K | 0.00% | +18,000 | New |
| Voya Investment Management LLC | 19,300 | $548.9K | 0.00% | +19,300 | New |
| China Universal Asset Management Co., Ltd. | 19,742 | $561.5K | 0.05% | −2,807−12.4% | Reduced |
| Squarepoint Ops LLC | 20,959 | $596.1K | 0.00% | +6,680+46.8% | Added |
| Manufacturers Life Insurance Company, The | 22,505 | $640.0K | 0.00% | +11,637+107.1% | Added |
| Legato Capital Management LLC | 23,370 | $664.6K | 0.07% | +4,581+24.4% | Added |
| Yarbrough Capital, LLC | 23,960 | $681.4K | 0.02% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 25,936 | $737.6K | 0.00% | −5,447−17.4% | Reduced |
| Royal Bank of Canada | 26,502 | $754.0K | 0.00% | +8,170+44.6% | Added |
| New York State Common Retirement Fund | 26,680 | $758.8K | 0.00% | +26,680 | New |
| BNP Paribas Arbitrage, SA | 27,328 | $777.2K | 0.00% | −1,949−6.7% | Reduced |
| HighVista Strategies LLC | 31,831 | $905.3K | 0.22% | +12,557+65.1% | Added |
| Northern Trust Corp | 33,299 | $947.0K | 0.00% | +2,988+9.9% | Added |
| Knights of Columbus Asset Advisors LLC | 33,610 | $955.9K | 0.05% | +777+2.4% | Added |
| Readystate Asset Management LP | 34,353 | $977.0K | 0.05% | −196,841−85.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 36,384 | $1.03M | 0.01% | +36,384 | New |
| Boothbay Fund Management, LLC | 40,714 | $1.16M | 0.03% | −19,340−32.2% | Reduced |
| Fred Alger Management, LLC | 41,264 | $1.17M | 0.00% | +19,227+87.2% | Added |
| Legal & General Group Plc | 45,738 | $1.30M | 0.00% | +1,503+3.4% | Added |
| Lisanti Capital Growth, LLC | 47,445 | $1.35M | 0.33% | −1,665−3.4% | Reduced |
| California State Teachers Retirement System | 47,862 | $1.36M | 0.00% | 00.0% | Unchanged |
| State Street Corp | 63,810 | $1.81M | 0.00% | −17,494−21.5% | Reduced |
| Deutsche Bank AG | 68,425 | $1.95M | 0.00% | +333+0.5% | Added |
| CenterBook Partners LP | 70,613 | $2.01M | 0.10% | +2,423+3.6% | Added |
| Swiss National Bank | 87,100 | $2.48M | 0.00% | +3,200+3.8% | Added |
| Geode Capital Management, LLC | 101,958 | $2.90M | 0.00% | +2,501+2.5% | Added |
| Invesco Ltd. | 104,676 | $2.98M | 0.00% | −29,359−21.9% | Reduced |
| Ikarian Capital, LLC | 106,800 | $3.04M | 0.69% | −100,000−48.4% | Reduced |
| ADAR1 Capital Management, LLC | 114,359 | $3.25M | 0.32% | +2,000+1.8% | Added |
| Price T Rowe Associates Inc | 138,329 | $3.94M | 0.00% | +138,329 | New |
| Ameriprise Financial Inc | 145,327 | $4.13M | 0.00% | −62,754−30.2% | Reduced |
| Kennedy Capital Management, Inc. | 146,715 | $4.17M | 0.09% | +133,040+972.9% | Added |
| StemPoint Capital LP | 150,573 | $4.28M | 0.86% | −2,079−1.4% | Reduced |
| Susquehanna International Group, LLP | 151,837 | $4.32M | 0.01% | +62,010+69.0% | Added |
| Saturn V Capital Management LLC | 153,147 | $4.36M | 0.96% | −67,548−30.6% | Reduced |
| Vanguard Group Inc | 172,466 | $4.90M | 0.00% | −6,380−3.6% | Reduced |
| DCF Advisers, LLC | 175,250 | $4.98M | 1.89% | +2,750+1.6% | Added |
| Nicholas Investment Partners, LP | 177,538 | $5.05M | 0.39% | +61,799+53.4% | Added |
| Artia Global Partners LP | 194,838 | $5.54M | 0.97% | +167,519+613.2% | Added |
| AXA Investment Managers S.A. | 196,782 | $5.60M | 0.02% | +196,782 | New |
| HealthInvest Partners AB | 193,625 | $5.85M | 2.17% | +36,402+23.2% | Added |
| Citadel Advisors LLC | 206,461 | $5.87M | 0.00% | −113,682−35.5% | Reduced |
| Affinity Asset Advisors, LLC | 275,000 | $7.82M | 0.73% | 00.0% | Unchanged |
| ArrowMark Colorado Holdings LLC | 310,999 | $8.84M | 0.16% | −47,615−13.3% | Reduced |
| Slate Path Capital LP | 319,000 | $9.07M | 0.14% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 332,998 | $9.47M | 0.00% | −19,954−5.7% | Reduced |