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 2025
Institutional positions in NewAmsterdam Pharma Co N.V. as of Jun 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
- 131
- +6 vs. Q1 2025
- Shares held
- 116.4M
- +5.19M (+4.7%) vs. Q1 2025
- Total value
- $2.11B
- −$171.2M (−7.5%) vs. Q1 2025
- New holders
- 26
- 58 more added
- Sold out
- 20
- 30 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 16,607,074 | $300.8M | 12.03% | +490,656+3.0% | Added |
| Bain Capital Life Sciences Investors, LLC | 10,719,110 | $194.1M | 24.29% | 00.0% | Unchanged |
| FCPM III Services B.V. | 10,632,113 | $192.5M | 52.16% | −303,197−2.8% | Reduced |
| Ra Capital Management, L.P. | 10,138,938 | $183.6M | 3.09% | 00.0% | Unchanged |
| Capital World Investors | 8,387,725 | $151.9M | 0.02% | +1,589,127+23.4% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 6,978,534 | $126.4M | 0.37% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 5,115,953 | $92.6M | 1.68% | +1,011,996+24.7% | Added |
| Wellington Management Group LLP | 3,322,997 | $60.2M | 0.01% | −218,978−6.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 3,013,009 | $54.6M | 0.09% | +1,062,359+54.5% | Added |
| Jennison Associates LLC | 2,946,103 | $53.4M | 0.03% | −1,024,086−25.8% | Reduced |
| Medicxi Ventures Management (Jersey) Ltd | 2,869,565 | $52.0M | 12.16% | 00.0% | Unchanged |
| Polar Capital Holdings Plc | 2,517,779 | $45.6M | 0.24% | +267,779+11.9% | Added |
| Alliancebernstein L.P. | 2,331,583 | $42.2M | 0.01% | +89,630+4.0% | Added |
| Cormorant Asset Management, LP | 2,175,000 | $39.4M | 2.93% | −650,000−23.0% | Reduced |
| Capital International Investors | 2,062,535 | $37.4M | 0.01% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 1,962,060 | $35.6M | 0.02% | −237,573−10.8% | Reduced |
| FMR LLC | 1,904,550 | $34.5M | 0.00% | +940,726+97.6% | Added |
| Woodline Partners LP | 1,897,197 | $34.4M | 0.18% | −545,200−22.3% | Reduced |
| Pictet Asset Management Holding SA | 1,816,725 | $32.9M | 0.03% | +4,776+0.3% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 1,531,874 | $27.7M | 0.43% | +982,405+178.8% | Added |
| JPMorgan Chase & Co | 1,458,897 | $26.4M | 0.00% | +467,579+47.2% | Added |
| Siren, L.L.C. | 1,194,240 | $21.6M | 1.12% | −717,790−37.5% | Reduced |
| Goldman Sachs Group Inc | 949,980 | $17.2M | 0.00% | +330,417+53.3% | Added |
| TimesSquare Capital Management, LLC | 872,537 | $15.8M | 0.23% | −18,551−2.1% | Reduced |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 832,175 | $15.1M | 0.39% | +31,815+4.0% | Added |
| Decheng Capital LLC | 770,000 | $13.9M | 3.52% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 735,032 | $13.3M | 0.02% | +358,169+95.0% | Added |
| Morgan Stanley | 637,707 | $11.5M | 0.00% | +200,168+45.7% | Added |
| UBS Group AG | 627,719 | $11.4M | 0.00% | +229,576+57.7% | Added |
| BlackRock, Inc. | 571,673 | $10.4M | 0.00% | +73,692+14.8% | Added |
| Rock Springs Capital Management LP | 536,111 | $9.71M | 0.60% | 00.0% | Unchanged |
| American Century Companies Inc | 532,916 | $9.65M | 0.01% | +4,086+0.8% | Added |
| First Turn Management, LLC | 521,097 | $9.44M | 1.76% | +521,097 | New |
| Bank of America Corp | 484,004 | $8.77M | 0.00% | −175,304−26.6% | Reduced |
| Eversept Partners, LP | 414,430 | $7.51M | 0.76% | +133,479+47.5% | Added |
| ArrowMark Colorado Holdings LLC | 358,614 | $6.49M | 0.12% | −3,108−0.9% | Reduced |
| Bank of New York Mellon Corp | 352,952 | $6.39M | 0.00% | +352,952 | New |
| Handelsbanken Fonder AB | 341,600 | $6.19M | 0.02% | +81,600+31.4% | Added |
| Franklin Resources Inc | 334,212 | $6.05M | 0.00% | +78,300+30.6% | Added |
| UBS Asset Management Americas Inc | 320,804 | $5.81M | 0.00% | +32,670+11.3% | Added |
| Citadel Advisors LLC | 320,143 | $5.80M | 0.01% | −361,790−53.1% | Reduced |
| Slate Path Capital LP | 319,000 | $5.78M | 0.10% | 00.0% | Unchanged |
| Affinity Asset Advisors, LLC | 275,000 | $4.98M | 0.74% | −50,000−15.4% | Reduced |
| AXA S.A. | 242,916 | $4.40M | 0.01% | +397+0.2% | Added |
| Readystate Asset Management LP | 231,194 | $4.19M | 0.17% | +1,532+0.7% | Added |
| Saturn V Capital Management LLC | 220,695 | $4.00M | 1.62% | +104,342+89.7% | Added |
| Ameriprise Financial Inc | 208,081 | $3.77M | 0.00% | +112,927+118.7% | Added |
| Ikarian Capital, LLC | 206,800 | $3.75M | 1.24% | +206,800 | New |
| Vanguard Group Inc | 178,846 | $3.24M | 0.00% | +148,370+486.8% | Added |
| DCF Advisers, LLC | 172,500 | $3.12M | 1.50% | 00.0% | Unchanged |
| HealthInvest Partners AB | 157,223 | $2.85M | 1.22% | +49,440+45.9% | Added |
| StemPoint Capital LP | 152,652 | $2.76M | 0.89% | +48,067+46.0% | Added |
| Invesco Ltd. | 134,035 | $2.43M | 0.00% | +15,101+12.7% | Added |
| First Trust Advisors LP | 131,430 | $2.38M | 0.00% | +12,378+10.4% | Added |
| Nicholas Investment Partners, LP | 115,739 | $2.10M | 0.19% | +115,739 | New |
| ADAR1 Capital Management, LLC | 112,359 | $2.03M | 0.33% | +112,359 | New |
| Geode Capital Management, LLC | 99,457 | $1.80M | 0.00% | +13,629+15.9% | Added |
| Susquehanna International Group, LLP | 89,827 | $1.63M | 0.00% | −59,209−39.7% | Reduced |
| Swiss National Bank | 83,900 | $1.52M | 0.00% | +13,000+18.3% | Added |
| State Street Corp | 81,304 | $1.47M | 0.00% | +14,606+21.9% | Added |
| CenterBook Partners LP | 68,190 | $1.23M | 0.07% | −154,074−69.3% | Reduced |
| Deutsche Bank AG | 68,092 | $1.23M | 0.00% | −4,305−5.9% | Reduced |
| Alps Advisors Inc | 60,551 | $1.10M | 0.01% | −17,410−22.3% | Reduced |
| Boothbay Fund Management, LLC | 60,054 | $1.09M | 0.03% | −68,821−53.4% | Reduced |
| Lisanti Capital Growth, LLC | 49,110 | $889.4K | 0.25% | 00.0% | Unchanged |
| California State Teachers Retirement System | 47,862 | $866.8K | 0.00% | +28,458+146.7% | Added |
| Legal & General Group Plc | 44,235 | $801.1K | 0.00% | +11,106+33.5% | Added |
| Exome Asset Management LLC | 36,574 | $662.4K | 0.55% | +36,574 | New |
| Knights of Columbus Asset Advisors LLC | 32,833 | $594.6K | 0.04% | +32,833 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 31,383 | $568.3K | 0.00% | +1,604+5.4% | Added |
| Northern Trust Corp | 30,311 | $548.9K | 0.00% | +651+2.2% | Added |
| BNP Paribas Arbitrage, SA | 29,277 | $530.2K | 0.00% | +1,257+4.5% | Added |
| Two Sigma Investments, LP | 28,392 | $514.2K | 0.00% | −13,466−32.2% | Reduced |
| Millennium Management LLC | 27,345 | $495.2K | 0.00% | +13,045+91.2% | Added |
| Artia Global Partners LP | 27,319 | $494.7K | 0.13% | +27,319 | New |
| HRT Financial LP | 26,208 | $474.0K | 0.00% | −6,434−19.7% | Reduced |
| Yarbrough Capital, LLC | 23,960 | $433.9K | 0.02% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 22,549 | $408.4K | 0.04% | +521+2.4% | Added |
| Fred Alger Management, LLC | 22,037 | $399.1K | 0.00% | −5,384−19.6% | Reduced |
| Bellevue Group AG | 20,555 | $372.3K | 0.01% | −1,245−5.7% | Reduced |
| HighVista Strategies LLC | 19,274 | $349.1K | 0.13% | +19,274 | New |
| Legato Capital Management LLC | 18,789 | $340.3K | 0.04% | +18,789 | New |
| Royal Bank of Canada | 18,332 | $332.0K | 0.00% | +8,996+96.4% | Added |
| Algert Global LLC | 18,140 | $328.5K | 0.01% | +18,140 | New |
| Barclays PLC | 17,871 | $323.6K | 0.00% | +1,986+12.5% | Added |
| Squarepoint Ops LLC | 14,279 | $258.6K | 0.00% | +14,279 | New |
| PTM Wealth Management, LLC | 12,900 | $256.1K | 0.17% | +12,900 | New |
| Verition Fund Management LLC | 13,828 | $250.4K | 0.00% | −36,644−72.6% | Reduced |
| Kennedy Capital Management, Inc. | 13,675 | $247.7K | 0.01% | +13,675 | New |
| Prelude Capital Management, LLC | 13,420 | $243.0K | 0.02% | +13,420 | New |
| Arizona State Retirement System | 12,768 | $231.2K | 0.00% | +2,282+21.8% | Added |
| Letko, Brosseau & Associates Inc | 11,775 | $213.2K | 0.00% | +11,775 | New |
| Teacher Retirement System of Texas | 11,700 | $211.9K | 0.00% | +11,700 | New |
| Manufacturers Life Insurance Company, The | 10,868 | $196.8K | 0.00% | +544+5.3% | Added |
| Hudson Bay Capital Management LP | 10,739 | $194.5K | 0.00% | +10,739 | New |
| KLP Kapitalforvaltning AS | 9,100 | $164.8K | 0.00% | +3,100+51.7% | Added |
| CIBC Private Wealth Group, LLC | 7,640 | $138.4K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,540 | $136.5K | 0.00% | +1,550+25.9% | Added |
| Avanza Fonder AB | 7,505 | $135.9K | 0.00% | +1,300+21.0% | Added |
| Quarry LP | 7,000 | $126.8K | 0.03% | +5,800+483.3% | Added |