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, Q2 2026
Institutional positions in NewAmsterdam Pharma Co N.V. as of Jun 30, 2026. 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
- 194
- +26 vs. Q1 2026
- Shares held
- 122.0M
- +599.2K (+0.5%) vs. Q1 2026
- Total value
- $4.13B
- +$242.3M (+6.2%) vs. Q1 2026
- New holders
- 46
- 71 more added
- Sold out
- 20
- 50 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 63,298 | $2.15M | 0.00% | +16,362+34.9% | Added |
| Pavaki Capital Management LLC | 66,600 | $2.26M | 1.29% | +30,000+82.0% | Added |
| California State Teachers Retirement System | 67,418 | $2.28M | 0.00% | +13,089+24.1% | Added |
| Headlands Technologies LLC | 72,335 | $2.45M | 0.26% | +44,659+161.4% | Added |
| StemPoint Capital LP | 77,589 | $2.63M | 0.46% | −103,069−57.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 78,136 | $2.65M | 0.05% | +78,136 | New |
| Tudor Investment Corp Et Al | 79,460 | $2.69M | 0.01% | +79,460 | New |
| Man Group plc | 80,832 | $2.74M | 0.01% | +80,832 | New |
| Algert Global LLC | 81,340 | $2.76M | 0.03% | +81,340 | New |
| Bellevue Group AG | 86,994 | $2.95M | 0.06% | +59,333+214.5% | Added |
| Schonfeld Strategic Advisors LLC | 89,765 | $3.04M | 0.02% | +89,765 | New |
| Moody Aldrich Partners LLC | 90,617 | $3.07M | 0.55% | −24,358−21.2% | Reduced |
| Squarepoint Ops LLC | 92,026 | $3.12M | 0.01% | +49,005+113.9% | Added |
| Northern Trust Corp | 93,971 | $3.18M | 0.00% | +61,753+191.7% | Added |
| Manufacturers Life Insurance Company, The | 96,232 | $3.26M | 0.00% | +84,930+751.5% | Added |
| Swedbank AB | 104,100 | $3.53M | 0.00% | +3,200+3.2% | Added |
| Geode Capital Management, LLC | 105,169 | $3.56M | 0.00% | +773+0.7% | Added |
| Walleye Capital LLC | 111,819 | $3.79M | 0.02% | +53,385+91.4% | Added |
| State Street Corp | 115,215 | $3.90M | 0.00% | +52,125+82.6% | Added |
| Alps Advisors Inc | 118,145 | $4.00M | 0.02% | +24,549+26.2% | Added |
| ADAR1 Capital Management, LLC | 118,623 | $4.02M | 0.19% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 120,561 | $4.09M | 0.00% | +120,561 | New |
| Swiss National Bank | 121,100 | $4.10M | 0.00% | +32,200+36.2% | Added |
| Handelsbanken Fonder AB | 122,400 | $4.15M | 0.01% | −296,500−70.8% | Reduced |
| Jefferies Financial Group Inc. | 122,728 | $4.16M | 0.04% | +122,728 | New |
| Kornitzer Capital Management Inc | 139,933 | $4.74M | 0.10% | +139,933 | New |
| DCF Advisers, LLC | 141,000 | $4.78M | 1.25% | −19,600−12.2% | Reduced |
| Jump Financial, LLC | 144,512 | $4.90M | 0.04% | +144,512 | New |
| XTX Topco Ltd | 145,008 | $4.91M | 0.06% | +249+0.2% | Added |
| TD Asset Management Inc | 148,400 | $5.03M | 0.00% | +148,400 | New |
| Mizuho Markets Cayman LP | 150,539 | $5.10M | 0.19% | +98,312+188.2% | Added |
| Point72 Asset Management, L.P. | 168,901 | $5.72M | 0.01% | +168,901 | New |
| Peregrine Capital Management LLC | 169,488 | $5.74M | 0.19% | −9,005−5.0% | Reduced |
| Victory Capital Management Inc | 172,663 | $5.85M | 0.00% | 00.0% | Unchanged |
| Decheng Capital LLC | 176,887 | $5.99M | 0.82% | −148,170−45.6% | Reduced |
| Vanguard Portfolio Management LLC | 181,674 | $6.16M | 0.00% | +46,643+34.5% | Added |
| Deutsche Bank AG | 199,931 | $6.78M | 0.00% | +75,156+60.2% | Added |
| ArrowMark Colorado Holdings LLC | 211,843 | $7.18M | 0.30% | −47,681−18.4% | Reduced |
| Ensign Peak Advisors, Inc | 212,423 | $7.20M | 0.01% | −36,767−14.8% | Reduced |
| Wellington Management Group LLP | 218,749 | $7.41M | 0.00% | −4,897,069−95.7% | Reduced |
| Gilder Gagnon Howe & Co LLC | 224,070 | $7.59M | 0.08% | −17,405−7.2% | Reduced |
| HealthInvest Partners AB | 248,848 | $8.43M | 2.27% | +154,052+162.5% | Added |
| SEB Asset Management AB | 272,654 | $9.24M | 0.03% | 00.0% | Unchanged |
| Affinity Asset Advisors, LLC | 275,000 | $9.32M | 0.46% | 00.0% | Unchanged |
| Eversept Partners, LP | 275,471 | $9.34M | 0.51% | −10,293−3.6% | Reduced |
| ExodusPoint Capital Management, LP | 304,334 | $10.3M | 0.10% | +304,334 | New |
| Lord, Abbett & Co. LLC | 306,560 | $10.4M | 0.03% | +111,205+56.9% | Added |
| Slate Path Capital LP | 319,000 | $10.8M | 0.15% | 00.0% | Unchanged |
| UBS Group AG | 344,065 | $11.7M | 0.00% | −450,911−56.7% | Reduced |
| HRT Financial LP | 349,843 | $11.9M | 0.02% | +349,843 | New |
| Bank of New York Mellon Corp | 353,298 | $12.0M | 0.00% | −25,502−6.7% | Reduced |
| Kennedy Capital Management, Inc. | 421,374 | $14.3M | 0.25% | +12,882+3.2% | Added |
| Jane Street Group, LLC | 474,236 | $16.1M | 0.01% | +309,035+187.1% | Added |
| Cormorant Asset Management, LP | 500,000 | $16.9M | 0.87% | −450,000−47.4% | Reduced |
| Millennium Management LLC | 501,614 | $17.0M | 0.01% | +197,766+65.1% | Added |
| Artia Global Partners LP | 503,936 | $17.1M | 3.25% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 550,000 | $18.6M | 0.03% | −556,631−50.3% | Reduced |
| Morgan Stanley | 575,825 | $19.5M | 0.00% | +20,064+3.6% | Added |
| First Turn Management, LLC | 582,497 | $19.7M | 2.11% | +24,161+4.3% | Added |
| Rock Springs Capital Management LP | 582,744 | $19.7M | 0.96% | −6,050−1.0% | Reduced |
| Citadel Advisors LLC | 645,805 | $21.9M | 0.01% | −66,259−9.3% | Reduced |
| American Century Companies Inc | 684,813 | $23.2M | 0.01% | +165,358+31.8% | Added |
| Nwi Management LP | 702,000 | $23.8M | 1.52% | 00.0% | Unchanged |
| Bank of America Corp | 735,483 | $24.9M | 0.00% | −111,606−13.2% | Reduced |
| Woodline Partners LP | 752,489 | $25.5M | 0.08% | +1810.0% | Added |
| Susquehanna International Group, LLP | 754,327 | $25.6M | 0.02% | +736,502+4,131.8% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 781,140 | $26.5M | 0.03% | −176,302−18.4% | Reduced |
| TimesSquare Capital Management, LLC | 796,162 | $27.0M | 0.40% | +44,174+5.9% | Added |
| Franklin Resources Inc | 993,917 | $33.7M | 0.01% | +223,757+29.1% | Added |
| BlackRock, Inc. | 1,063,750 | $36.1M | 0.00% | +177,134+20.0% | Added |
| Standard Life Aberdeen plc | 1,102,785 | $37.4M | 0.05% | +265,780+31.8% | Added |
| JPMorgan Chase & Co | 1,132,955 | $38.4M | 0.00% | +248,727+28.1% | Added |
| Price T Rowe Associates Inc | 1,167,357 | $39.6M | 0.00% | +1,167,357 | New |
| Alliancebernstein L.P. | 1,259,940 | $40.3M | 0.01% | +60,615+5.1% | Added |
| Ameriprise Financial Inc | 1,253,549 | $42.5M | 0.01% | +500,495+66.5% | Added |
| Castle Hook Partners LP | 1,371,005 | $46.5M | 0.50% | +328,368+31.5% | Added |
| Westfield Capital Management Co LP | 1,536,472 | $52.1M | 0.17% | −666,441−30.3% | Reduced |
| Goldman Sachs Group Inc | 1,544,911 | $52.4M | 0.01% | −401,463−20.6% | Reduced |
| Capital International Investors | 1,723,495 | $58.4M | 0.01% | +282,364+19.6% | Added |
| Polar Capital Holdings Plc | 1,724,518 | $58.4M | 0.17% | −1,107,089−39.1% | Reduced |
| Orbis Allan Gray Ltd | 1,747,627 | $59.2M | 0.20% | +1,747,627 | New |
| Jennison Associates LLC | 2,102,286 | $71.2M | 0.04% | −648,117−23.6% | Reduced |
| Medicxi Ventures Management (Jersey) Ltd | 2,208,639 | $74.9M | 42.19% | −465,543−17.4% | Reduced |
| Jupiter Topco LLC | 2,535,682 | $86.0M | 0.04% | +2,535,682 | New |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 3,070,146 | $104.0M | 2.39% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 3,267,802 | $110.7M | 1.00% | +1,081,400+49.5% | Added |
| Bain Capital Life Sciences Investors, LLC | 3,806,566 | $129.0M | 7.67% | −3,500,000−47.9% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,203,567 | $142.5M | 0.41% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 4,264,789 | $144.5M | 1.51% | 00.0% | Unchanged |
| FCPM III Services B.V. | 8,490,353 | $287.7M | 38.34% | −708,547−7.7% | Reduced |
| Ra Capital Management, L.P. | 9,550,191 | $323.7M | 2.81% | 00.0% | Unchanged |
| FMR LLC | 10,339,663 | $350.4M | 0.02% | +1,573,852+18.0% | Added |
| Capital World Investors | 12,230,557 | $414.5M | 0.05% | +1,121,523+10.1% | Added |
| Frazier Life Sciences Management, L.P. | 18,088,902 | $613.0M | 13.35% | +1,145,128+6.8% | Added |
| Logos Global Management LP | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −285,285−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −264,802−100.0% | Sold out |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −125,136−100.0% | Sold out |
| Catalio Capital Management, LP | 0 | $0 | 0.00% | −83,554−100.0% | Sold out |
| Lifetime Wealth Management P.C. | 0 | $0 | 0.00% | −23,500−100.0% | Sold out |