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 |
|---|---|---|---|---|---|
| Rock Springs Capital Management LP | 536,111 | $9.71M | 0.60% | 00.0% | Unchanged |
| BlackRock, Inc. | 571,673 | $10.4M | 0.00% | +73,692+14.8% | Added |
| UBS Group AG | 627,719 | $11.4M | 0.00% | +229,576+57.7% | Added |
| Morgan Stanley | 637,707 | $11.5M | 0.00% | +200,168+45.7% | Added |
| Standard Life Aberdeen plc | 735,032 | $13.3M | 0.02% | +358,169+95.0% | Added |
| Decheng Capital LLC | 770,000 | $13.9M | 3.52% | 00.0% | Unchanged |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 832,175 | $15.1M | 0.39% | +31,815+4.0% | Added |
| TimesSquare Capital Management, LLC | 872,537 | $15.8M | 0.23% | −18,551−2.1% | Reduced |
| Goldman Sachs Group Inc | 949,980 | $17.2M | 0.00% | +330,417+53.3% | Added |
| Siren, L.L.C. | 1,194,240 | $21.6M | 1.12% | −717,790−37.5% | Reduced |
| JPMorgan Chase & Co | 1,458,897 | $26.4M | 0.00% | +467,579+47.2% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 1,531,874 | $27.7M | 0.43% | +982,405+178.8% | Added |
| Pictet Asset Management Holding SA | 1,816,725 | $32.9M | 0.03% | +4,776+0.3% | Added |
| Woodline Partners LP | 1,897,197 | $34.4M | 0.18% | −545,200−22.3% | Reduced |
| FMR LLC | 1,904,550 | $34.5M | 0.00% | +940,726+97.6% | Added |
| Janus Henderson Group PLC | 1,962,060 | $35.6M | 0.02% | −237,573−10.8% | Reduced |
| Capital International Investors | 2,062,535 | $37.4M | 0.01% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 2,175,000 | $39.4M | 2.93% | −650,000−23.0% | Reduced |
| Alliancebernstein L.P. | 2,331,583 | $42.2M | 0.01% | +89,630+4.0% | Added |
| Polar Capital Holdings Plc | 2,517,779 | $45.6M | 0.24% | +267,779+11.9% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 2,869,565 | $52.0M | 12.16% | 00.0% | Unchanged |
| Jennison Associates LLC | 2,946,103 | $53.4M | 0.03% | −1,024,086−25.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 3,013,009 | $54.6M | 0.09% | +1,062,359+54.5% | Added |
| Wellington Management Group LLP | 3,322,997 | $60.2M | 0.01% | −218,978−6.2% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 5,115,953 | $92.6M | 1.68% | +1,011,996+24.7% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 6,978,534 | $126.4M | 0.37% | 00.0% | Unchanged |
| Capital World Investors | 8,387,725 | $151.9M | 0.02% | +1,589,127+23.4% | Added |
| Ra Capital Management, L.P. | 10,138,938 | $183.6M | 3.09% | 00.0% | Unchanged |
| FCPM III Services B.V. | 10,632,113 | $192.5M | 52.16% | −303,197−2.8% | Reduced |
| Bain Capital Life Sciences Investors, LLC | 10,719,110 | $194.1M | 24.29% | 00.0% | Unchanged |
| Frazier Life Sciences Management, L.P. | 16,607,074 | $300.8M | 12.03% | +490,656+3.0% | Added |
| Cutter Capital Management, LP | 0 | $0 | 0.00% | −221,152−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −100,955−100.0% | Sold out |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −68,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −66,102−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −59,644−100.0% | Sold out |
| BVF Inc | 0 | $0 | 0.00% | −59,065−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −37,700−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −33,457−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −29,569−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −22,358−100.0% | Sold out |
| Bryce Point Capital, LLC | 0 | $0 | 0.00% | −19,653−100.0% | Sold out |
| HB Wealth Management, LLC | 0 | $0 | 0.00% | −11,247−100.0% | Sold out |
| Keybank National Association | 0 | $0 | 0.00% | −9,983−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −5,659−100.0% | Sold out |
| PSI Advisors, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Continuum Advisory, LLC | 0 | $0 | 0.00% | −154−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |