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, Q1 2025
Institutional positions in NewAmsterdam Pharma Co N.V. as of Mar 31, 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
- 126
- −5 vs. Q4 2024
- Shares held
- 111.2M
- +12.6M (+12.7%) vs. Q4 2024
- Total value
- $2.28B
- −$255.7M (−10.1%) vs. Q4 2024
- New holders
- 26
- 51 more added
- Sold out
- 31
- 32 more reduced
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 659,308 | $13.5M | 0.00% | +615,779+1,414.6% | Added |
| Citadel Advisors LLC | 681,933 | $14.0M | 0.01% | −293,898−30.1% | Reduced |
| Decheng Capital LLC | 770,000 | $15.8M | 4.42% | 00.0% | Unchanged |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 800,360 | $16.4M | 0.55% | +512,825+178.4% | Added |
| TimesSquare Capital Management, LLC | 891,088 | $18.2M | 0.29% | −4,486−0.5% | Reduced |
| FMR LLC | 963,824 | $19.7M | 0.00% | +963,612+454,534.0% | Added |
| JPMorgan Chase & Co | 991,318 | $20.3M | 0.00% | +930,341+1,525.7% | Added |
| Pictet Asset Management Holding SA | 1,811,949 | $37.1M | 0.04% | +654,497+56.5% | Added |
| Siren, L.L.C. | 1,912,030 | $39.1M | 2.21% | −183,608−8.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,950,650 | $39.9M | 0.07% | +900,650+85.8% | Added |
| Capital International Investors | 2,062,535 | $42.2M | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 2,241,953 | $45.9M | 0.02% | +383,888+20.7% | Added |
| Polar Capital Holdings Plc | 2,250,000 | $46.1M | 0.29% | +500,000+28.6% | Added |
| Janus Henderson Group PLC | 2,199,633 | $47.9M | 0.03% | +462,856+26.7% | Added |
| Woodline Partners LP | 2,442,397 | $50.0M | 0.33% | +11,615+0.5% | Added |
| Cormorant Asset Management, LP | 2,825,000 | $57.8M | 4.38% | −425,000−13.1% | Reduced |
| Medicxi Ventures Management (Jersey) Ltd | 2,869,565 | $58.7M | 13.42% | 00.0% | Unchanged |
| Wellington Management Group LLP | 3,541,975 | $72.5M | 0.01% | +1,226,852+53.0% | Added |
| Jennison Associates LLC | 3,970,189 | $81.3M | 0.06% | −28,352−0.7% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 4,103,957 | $84.0M | 1.67% | −210,383−4.9% | Reduced |
| Capital World Investors | 6,798,598 | $139.2M | 0.02% | +5,782,522+569.1% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 6,978,534 | $142.9M | 0.45% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 10,138,938 | $207.5M | 3.47% | +1,293,938+14.6% | Added |
| Bain Capital Life Sciences Investors, LLC | 10,719,110 | $219.4M | 32.46% | 00.0% | Unchanged |
| FCPM III Services B.V. | 10,935,310 | $223.8M | 54.11% | +338,129+3.2% | Added |
| Frazier Life Sciences Management, L.P. | 16,116,418 | $329.9M | 15.08% | +200,000+1.3% | Added |
| Opaleye Management Inc. | 0 | $0 | 0.00% | −325,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −288,446−100.0% | Sold out |
| GMT Capital Corp | 0 | $0 | 0.00% | −285,136−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Ovata Capital Management Ltd | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −114,707−100.0% | Sold out |
| Moody Aldrich Partners LLC | 0 | $0 | 0.00% | −79,145−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −74,300−100.0% | Sold out |
| Artia Global Partners LP | 0 | $0 | 0.00% | −54,285−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −52,208−100.0% | Sold out |
| Acuta Capital Partners, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Crestline Management, LP | 0 | $0 | 0.00% | −35,068−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −30,504−100.0% | Sold out |
| Pamalican Asset Management Ltd | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −28,517−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −28,041−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −27,328−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −25,401−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −10,753−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −10,506−100.0% | Sold out |
| Glenmede Trust Co NA | 0 | $0 | 0.00% | −9,965−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −9,516−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −9,359−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −9,326−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −7,945−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −2,834−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −176−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −142−100.0% | Sold out |
| Assetmark, Inc | 0 | $0 | 0.00% | −96−100.0% | Sold out |
| Sandy Spring Bank | 0 | $0 | 0.00% | 0 | Sold out |