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 |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 18,088,902 | $613.0M | 13.35% | +1,145,128+6.8% | Added |
| Capital World Investors | 12,230,557 | $414.5M | 0.05% | +1,121,523+10.1% | Added |
| FMR LLC | 10,339,663 | $350.4M | 0.02% | +1,573,852+18.0% | Added |
| Ra Capital Management, L.P. | 9,550,191 | $323.7M | 2.81% | 00.0% | Unchanged |
| FCPM III Services B.V. | 8,490,353 | $287.7M | 38.34% | −708,547−7.7% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 4,264,789 | $144.5M | 1.51% | 00.0% | Unchanged |
| Viking Global Investors LPSuperinvestorViking Global Investors | 4,203,567 | $142.5M | 0.41% | 00.0% | Unchanged |
| Bain Capital Life Sciences Investors, LLC | 3,806,566 | $129.0M | 7.67% | −3,500,000−47.9% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 3,267,802 | $110.7M | 1.00% | +1,081,400+49.5% | Added |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 3,070,146 | $104.0M | 2.39% | 00.0% | Unchanged |
| Jupiter Topco LLC | 2,535,682 | $86.0M | 0.04% | +2,535,682 | New |
| Medicxi Ventures Management (Jersey) Ltd | 2,208,639 | $74.9M | 42.19% | −465,543−17.4% | Reduced |
| Jennison Associates LLC | 2,102,286 | $71.2M | 0.04% | −648,117−23.6% | Reduced |
| Orbis Allan Gray Ltd | 1,747,627 | $59.2M | 0.20% | +1,747,627 | New |
| Polar Capital Holdings Plc | 1,724,518 | $58.4M | 0.17% | −1,107,089−39.1% | Reduced |
| Capital International Investors | 1,723,495 | $58.4M | 0.01% | +282,364+19.6% | Added |
| Goldman Sachs Group Inc | 1,544,911 | $52.4M | 0.01% | −401,463−20.6% | Reduced |
| Westfield Capital Management Co LP | 1,536,472 | $52.1M | 0.17% | −666,441−30.3% | Reduced |
| Castle Hook Partners LP | 1,371,005 | $46.5M | 0.50% | +328,368+31.5% | Added |
| Ameriprise Financial Inc | 1,253,549 | $42.5M | 0.01% | +500,495+66.5% | Added |
| Alliancebernstein L.P. | 1,259,940 | $40.3M | 0.01% | +60,615+5.1% | Added |
| Price T Rowe Associates Inc | 1,167,357 | $39.6M | 0.00% | +1,167,357 | New |
| JPMorgan Chase & Co | 1,132,955 | $38.4M | 0.00% | +248,727+28.1% | Added |
| Standard Life Aberdeen plc | 1,102,785 | $37.4M | 0.05% | +265,780+31.8% | Added |
| BlackRock, Inc. | 1,063,750 | $36.1M | 0.00% | +177,134+20.0% | Added |
| Franklin Resources Inc | 993,917 | $33.7M | 0.01% | +223,757+29.1% | Added |
| TimesSquare Capital Management, LLC | 796,162 | $27.0M | 0.40% | +44,174+5.9% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 781,140 | $26.5M | 0.03% | −176,302−18.4% | Reduced |
| Susquehanna International Group, LLP | 754,327 | $25.6M | 0.02% | +736,502+4,131.8% | Added |
| Woodline Partners LP | 752,489 | $25.5M | 0.08% | +1810.0% | Added |
| Bank of America Corp | 735,483 | $24.9M | 0.00% | −111,606−13.2% | Reduced |
| Nwi Management LP | 702,000 | $23.8M | 1.52% | 00.0% | Unchanged |
| American Century Companies Inc | 684,813 | $23.2M | 0.01% | +165,358+31.8% | Added |
| Citadel Advisors LLC | 645,805 | $21.9M | 0.01% | −66,259−9.3% | Reduced |
| Rock Springs Capital Management LP | 582,744 | $19.7M | 0.96% | −6,050−1.0% | Reduced |
| First Turn Management, LLC | 582,497 | $19.7M | 2.11% | +24,161+4.3% | Added |
| Morgan Stanley | 575,825 | $19.5M | 0.00% | +20,064+3.6% | Added |
| Adage Capital Partners GP, L.L.C. | 550,000 | $18.6M | 0.03% | −556,631−50.3% | Reduced |
| Artia Global Partners LP | 503,936 | $17.1M | 3.25% | 00.0% | Unchanged |
| Millennium Management LLC | 501,614 | $17.0M | 0.01% | +197,766+65.1% | Added |
| Cormorant Asset Management, LP | 500,000 | $16.9M | 0.87% | −450,000−47.4% | Reduced |
| Jane Street Group, LLC | 474,236 | $16.1M | 0.01% | +309,035+187.1% | Added |
| Kennedy Capital Management, Inc. | 421,374 | $14.3M | 0.25% | +12,882+3.2% | Added |
| Bank of New York Mellon Corp | 353,298 | $12.0M | 0.00% | −25,502−6.7% | Reduced |
| HRT Financial LP | 349,843 | $11.9M | 0.02% | +349,843 | New |
| UBS Group AG | 344,065 | $11.7M | 0.00% | −450,911−56.7% | Reduced |
| Slate Path Capital LP | 319,000 | $10.8M | 0.15% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 306,560 | $10.4M | 0.03% | +111,205+56.9% | Added |
| ExodusPoint Capital Management, LP | 304,334 | $10.3M | 0.10% | +304,334 | New |
| Eversept Partners, LP | 275,471 | $9.34M | 0.51% | −10,293−3.6% | Reduced |
| Affinity Asset Advisors, LLC | 275,000 | $9.32M | 0.46% | 00.0% | Unchanged |
| SEB Asset Management AB | 272,654 | $9.24M | 0.03% | 00.0% | Unchanged |
| HealthInvest Partners AB | 248,848 | $8.43M | 2.27% | +154,052+162.5% | Added |
| Gilder Gagnon Howe & Co LLC | 224,070 | $7.59M | 0.08% | −17,405−7.2% | Reduced |
| Wellington Management Group LLP | 218,749 | $7.41M | 0.00% | −4,897,069−95.7% | Reduced |
| Ensign Peak Advisors, Inc | 212,423 | $7.20M | 0.01% | −36,767−14.8% | Reduced |
| ArrowMark Colorado Holdings LLC | 211,843 | $7.18M | 0.30% | −47,681−18.4% | Reduced |
| Deutsche Bank AG | 199,931 | $6.78M | 0.00% | +75,156+60.2% | Added |
| Vanguard Portfolio Management LLC | 181,674 | $6.16M | 0.00% | +46,643+34.5% | Added |
| Decheng Capital LLC | 176,887 | $5.99M | 0.82% | −148,170−45.6% | Reduced |
| Victory Capital Management Inc | 172,663 | $5.85M | 0.00% | 00.0% | Unchanged |
| Peregrine Capital Management LLC | 169,488 | $5.74M | 0.19% | −9,005−5.0% | Reduced |
| Point72 Asset Management, L.P. | 168,901 | $5.72M | 0.01% | +168,901 | New |
| Mizuho Markets Cayman LP | 150,539 | $5.10M | 0.19% | +98,312+188.2% | Added |
| TD Asset Management Inc | 148,400 | $5.03M | 0.00% | +148,400 | New |
| XTX Topco Ltd | 145,008 | $4.91M | 0.06% | +249+0.2% | Added |
| Jump Financial, LLC | 144,512 | $4.90M | 0.04% | +144,512 | New |
| DCF Advisers, LLC | 141,000 | $4.78M | 1.25% | −19,600−12.2% | Reduced |
| Kornitzer Capital Management Inc | 139,933 | $4.74M | 0.10% | +139,933 | New |
| Jefferies Financial Group Inc. | 122,728 | $4.16M | 0.04% | +122,728 | New |
| Handelsbanken Fonder AB | 122,400 | $4.15M | 0.01% | −296,500−70.8% | Reduced |
| Swiss National Bank | 121,100 | $4.10M | 0.00% | +32,200+36.2% | Added |
| D. E. Shaw & Co., Inc. | 120,561 | $4.09M | 0.00% | +120,561 | New |
| ADAR1 Capital Management, LLC | 118,623 | $4.02M | 0.19% | 00.0% | Unchanged |
| Alps Advisors Inc | 118,145 | $4.00M | 0.02% | +24,549+26.2% | Added |
| State Street Corp | 115,215 | $3.90M | 0.00% | +52,125+82.6% | Added |
| Walleye Capital LLC | 111,819 | $3.79M | 0.02% | +53,385+91.4% | Added |
| Geode Capital Management, LLC | 105,169 | $3.56M | 0.00% | +773+0.7% | Added |
| Swedbank AB | 104,100 | $3.53M | 0.00% | +3,200+3.2% | Added |
| Manufacturers Life Insurance Company, The | 96,232 | $3.26M | 0.00% | +84,930+751.5% | Added |
| Northern Trust Corp | 93,971 | $3.18M | 0.00% | +61,753+191.7% | Added |
| Squarepoint Ops LLC | 92,026 | $3.12M | 0.01% | +49,005+113.9% | Added |
| Moody Aldrich Partners LLC | 90,617 | $3.07M | 0.55% | −24,358−21.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 89,765 | $3.04M | 0.02% | +89,765 | New |
| Bellevue Group AG | 86,994 | $2.95M | 0.06% | +59,333+214.5% | Added |
| Algert Global LLC | 81,340 | $2.76M | 0.03% | +81,340 | New |
| Man Group plc | 80,832 | $2.74M | 0.01% | +80,832 | New |
| Tudor Investment Corp Et Al | 79,460 | $2.69M | 0.01% | +79,460 | New |
| Y-Intercept (Hong Kong) Ltd | 78,136 | $2.65M | 0.05% | +78,136 | New |
| StemPoint Capital LP | 77,589 | $2.63M | 0.46% | −103,069−57.1% | Reduced |
| Headlands Technologies LLC | 72,335 | $2.45M | 0.26% | +44,659+161.4% | Added |
| California State Teachers Retirement System | 67,418 | $2.28M | 0.00% | +13,089+24.1% | Added |
| Pavaki Capital Management LLC | 66,600 | $2.26M | 1.29% | +30,000+82.0% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 63,298 | $2.15M | 0.00% | +16,362+34.9% | Added |
| Fox Run Management, L.L.C. | 59,477 | $2.02M | 0.33% | +59,477 | New |
| Russell Investments Group, Ltd. | 58,707 | $1.99M | 0.00% | −25,678−30.4% | Reduced |
| China Universal Asset Management Co., Ltd. | 48,605 | $1.65M | 0.10% | +4,902+11.2% | Added |
| Qube Research & Technologies Ltd | 47,090 | $1.60M | 0.00% | +47,090 | New |
| Fred Alger Management, LLC | 45,115 | $1.53M | 0.01% | −9,080−16.8% | Reduced |
| Palo Alto Investors LP | 44,359 | $1.50M | 0.21% | +44,359 | New |