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, Q4 2024
Institutional positions in NewAmsterdam Pharma Co N.V. as of Dec 31, 2024. 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
- +31 vs. Q3 2024
- Shares held
- 98.6M
- +21.5M (+27.9%) vs. Q3 2024
- Total value
- $2.53B
- +$1.25B (+98.0%) vs. Q3 2024
- New holders
- 46
- 42 more added
- Sold out
- 15
- 31 more reduced
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| American Century Companies Inc | 346,572 | $8.91M | 0.01% | +346,572 | New |
| Maverick Capital LtdSuperinvestorMaverick Capital | 350,005 | $9.00M | 0.16% | +350,005 | New |
| Avidity Partners Management LP | 354,000 | $9.10M | 0.91% | −535,700−60.2% | Reduced |
| Affinity Asset Advisors, LLC | 425,000 | $10.9M | 1.71% | −47,390−10.0% | Reduced |
| Morgan Stanley | 430,102 | $11.1M | 0.00% | +226,897+111.7% | Added |
| BlackRock, Inc. | 441,518 | $11.3M | 0.00% | +374,845+562.2% | Added |
| Millennium Management LLC | 494,230 | $12.7M | 0.01% | +477,481+2,850.8% | Added |
| Goldman Sachs Group Inc | 654,710 | $16.8M | 0.00% | +620,637+1,821.5% | Added |
| Rock Springs Capital Management LP | 767,522 | $19.7M | 0.75% | +414,203+117.2% | Added |
| Decheng Capital LLC | 770,000 | $19.8M | 4.24% | +180,000+30.5% | Added |
| TimesSquare Capital Management, LLC | 895,574 | $23.0M | 0.34% | +640,329+250.9% | Added |
| Citadel Advisors LLC | 975,831 | $25.1M | 0.02% | +453,366+86.8% | Added |
| Capital World Investors | 1,016,076 | $26.1M | 0.00% | +1,016,076 | New |
| Adage Capital Partners GP, L.L.C. | 1,050,000 | $27.0M | 0.05% | −330,000−23.9% | Reduced |
| Pictet Asset Management Holding SA | 1,157,452 | $29.7M | 0.03% | +140,605+13.8% | Added |
| Janus Henderson Group PLC | 1,736,777 | $44.7M | 0.02% | +196,048+12.7% | Added |
| Polar Capital Holdings Plc | 1,750,000 | $45.0M | 0.25% | +245,000+16.3% | Added |
| Alliancebernstein L.P. | 1,858,065 | $47.8M | 0.02% | +1,858,065 | New |
| Capital International Investors | 2,062,535 | $53.0M | 0.01% | +2,062,535 | New |
| Siren, L.L.C. | 2,095,638 | $53.9M | 2.38% | +1,175,074+127.6% | Added |
| Wellington Management Group LLP | 2,315,123 | $59.5M | 0.01% | +2,222,900+2,410.4% | Added |
| Woodline Partners LP | 2,430,782 | $62.5M | 0.42% | +1,266,105+108.7% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 2,869,565 | $73.7M | 13.94% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 3,250,000 | $83.5M | 4.59% | +780,000+31.6% | Added |
| Jennison Associates LLC | 3,998,541 | $102.8M | 0.06% | +2,978,263+291.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 4,314,340 | $110.9M | 2.11% | +3,412,590+378.4% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 6,978,534 | $179.3M | 0.58% | −1,046,031−13.0% | Reduced |
| Ra Capital Management, L.P. | 8,845,000 | $227.3M | 3.03% | +781,000+9.7% | Added |
| FCPM III Services B.V. | 10,597,181 | $272.3M | 45.97% | −1,234,280−10.4% | Reduced |
| Bain Capital Life Sciences Investors, LLC | 10,719,110 | $275.5M | 32.41% | +245,197+2.3% | Added |
| Frazier Life Sciences Management, L.P. | 15,916,418 | $409.1M | 16.98% | +3,061,224+23.8% | Added |
| BVF Inc | 0 | $0 | 0.00% | −1,521,948−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −245,571−100.0% | Sold out |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −96,711−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −37,601−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −21,283−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −18,345−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −17,133−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −15,936−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −11,265−100.0% | Sold out |
| Rosalind Advisors, Inc. | 0 | $0 | 0.00% | −10,123−100.0% | Sold out |
| Venture Visionary Partners LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −4,944−100.0% | Sold out |
| Stone House Investment Management, LLC | 0 | $0 | 0.00% | −325−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −91−100.0% | Sold out |