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 |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 15,916,418 | $409.1M | 16.98% | +3,061,224+23.8% | Added |
| Bain Capital Life Sciences Investors, LLC | 10,719,110 | $275.5M | 32.41% | +245,197+2.3% | Added |
| FCPM III Services B.V. | 10,597,181 | $272.3M | 45.97% | −1,234,280−10.4% | Reduced |
| Ra Capital Management, L.P. | 8,845,000 | $227.3M | 3.03% | +781,000+9.7% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 6,978,534 | $179.3M | 0.58% | −1,046,031−13.0% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 4,314,340 | $110.9M | 2.11% | +3,412,590+378.4% | Added |
| Jennison Associates LLC | 3,998,541 | $102.8M | 0.06% | +2,978,263+291.9% | Added |
| Cormorant Asset Management, LP | 3,250,000 | $83.5M | 4.59% | +780,000+31.6% | Added |
| Medicxi Ventures Management (Jersey) Ltd | 2,869,565 | $73.7M | 13.94% | 00.0% | Unchanged |
| Woodline Partners LP | 2,430,782 | $62.5M | 0.42% | +1,266,105+108.7% | Added |
| Wellington Management Group LLP | 2,315,123 | $59.5M | 0.01% | +2,222,900+2,410.4% | Added |
| Siren, L.L.C. | 2,095,638 | $53.9M | 2.38% | +1,175,074+127.6% | Added |
| Capital International Investors | 2,062,535 | $53.0M | 0.01% | +2,062,535 | New |
| Alliancebernstein L.P. | 1,858,065 | $47.8M | 0.02% | +1,858,065 | New |
| Polar Capital Holdings Plc | 1,750,000 | $45.0M | 0.25% | +245,000+16.3% | Added |
| Janus Henderson Group PLC | 1,736,777 | $44.7M | 0.02% | +196,048+12.7% | Added |
| Pictet Asset Management Holding SA | 1,157,452 | $29.7M | 0.03% | +140,605+13.8% | Added |
| Adage Capital Partners GP, L.L.C. | 1,050,000 | $27.0M | 0.05% | −330,000−23.9% | Reduced |
| Capital World Investors | 1,016,076 | $26.1M | 0.00% | +1,016,076 | New |
| Citadel Advisors LLC | 975,831 | $25.1M | 0.02% | +453,366+86.8% | Added |
| TimesSquare Capital Management, LLC | 895,574 | $23.0M | 0.34% | +640,329+250.9% | Added |
| Decheng Capital LLC | 770,000 | $19.8M | 4.24% | +180,000+30.5% | Added |
| Rock Springs Capital Management LP | 767,522 | $19.7M | 0.75% | +414,203+117.2% | Added |
| Goldman Sachs Group Inc | 654,710 | $16.8M | 0.00% | +620,637+1,821.5% | Added |
| Millennium Management LLC | 494,230 | $12.7M | 0.01% | +477,481+2,850.8% | Added |
| BlackRock, Inc. | 441,518 | $11.3M | 0.00% | +374,845+562.2% | Added |
| Morgan Stanley | 430,102 | $11.1M | 0.00% | +226,897+111.7% | Added |
| Affinity Asset Advisors, LLC | 425,000 | $10.9M | 1.71% | −47,390−10.0% | Reduced |
| Avidity Partners Management LP | 354,000 | $9.10M | 0.91% | −535,700−60.2% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 350,005 | $9.00M | 0.16% | +350,005 | New |
| American Century Companies Inc | 346,572 | $8.91M | 0.01% | +346,572 | New |
| ArrowMark Colorado Holdings LLC | 345,048 | $8.87M | 0.12% | −9,927−2.8% | Reduced |
| Cutter Capital Management, LP | 337,152 | $8.66M | 3.55% | +337,152 | New |
| Opaleye Management Inc. | 325,000 | $8.35M | 1.46% | −10,000−3.0% | Reduced |
| Slate Path Capital LP | 319,000 | $8.20M | 0.15% | +319,000 | New |
| Marshall Wace, LLP | 288,446 | $7.41M | 0.01% | +178,322+161.9% | Added |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 287,535 | $7.39M | 0.21% | 00.0% | Unchanged |
| GMT Capital Corp | 285,136 | $7.33M | 0.36% | −543,900−65.6% | Reduced |
| AXA S.A. | 278,266 | $7.15M | 0.02% | −66,387−19.3% | Reduced |
| Eversept Partners, LP | 275,362 | $7.08M | 0.73% | −31,995−10.4% | Reduced |
| Readystate Asset Management LP | 260,400 | $6.69M | 0.28% | +139,400+115.2% | Added |
| UBS Asset Management Americas Inc | 253,571 | $6.52M | 0.00% | +14,288+6.0% | Added |
| CenterBook Partners LP | 208,589 | $5.36M | 0.32% | +122,894+143.4% | Added |
| Handelsbanken Fonder AB | 187,404 | $4.82M | 0.02% | +187,404 | New |
| Standard Life Aberdeen plc | 179,060 | $4.60M | 0.01% | +50,000+38.7% | Added |
| Invesco Ltd. | 150,559 | $3.87M | 0.00% | +150,559 | New |
| Maven Securities LTD | 150,000 | $3.85M | 0.62% | +150,000 | New |
| Ovata Capital Management Ltd | 150,000 | $3.85M | 1.47% | +150,000 | New |
| Caption Management, LLC | 144,578 | $3.72M | 0.15% | +144,578 | New |
| HealthInvest Partners AB | 138,983 | $3.56M | 1.69% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 114,707 | $2.95M | 0.01% | −193,451−62.8% | Reduced |
| Saturn V Capital Management LLC | 100,000 | $2.57M | 1.01% | +100,000 | New |
| Two Sigma Investments, LP | 89,589 | $2.30M | 0.01% | −140,508−61.1% | Reduced |
| DCF Advisers, LLC | 89,400 | $2.30M | 1.16% | +55,400+162.9% | Added |
| Geode Capital Management, LLC | 88,544 | $2.28M | 0.00% | +2,222+2.6% | Added |
| Fred Alger Management, LLC | 80,579 | $2.07M | 0.01% | +80,579 | New |
| UBS Group AG | 80,210 | $2.06M | 0.00% | −50,030−38.4% | Reduced |
| Moody Aldrich Partners LLC | 79,145 | $2.03M | 0.38% | −137,348−63.4% | Reduced |
| Parkman Healthcare Partners LLC | 76,116 | $1.96M | 0.26% | −29,218−27.7% | Reduced |
| Alps Advisors Inc | 74,709 | $1.92M | 0.01% | +5,049+7.2% | Added |
| Two Sigma Advisers, LP | 74,300 | $1.91M | 0.00% | −23,200−23.8% | Reduced |
| Swiss National Bank | 72,000 | $1.85M | 0.00% | +36,900+105.1% | Added |
| JPMorgan Chase & Co | 60,977 | $1.57M | 0.00% | +38,626+172.8% | Added |
| State Street Corp | 60,258 | $1.55M | 0.00% | +22,343+58.9% | Added |
| Artia Global Partners LP | 54,285 | $1.40M | 0.56% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 54,235 | $1.39M | 0.10% | −12,167−18.3% | Reduced |
| Tudor Investment Corp Et Al | 52,208 | $1.34M | 0.01% | +52,208 | New |
| Acuta Capital Partners, LLC | 50,000 | $1.28M | 1.29% | +50,000 | New |
| Monashee Investment Management LLC | 50,000 | $1.28M | 0.18% | +50,000 | New |
| Bank of America Corp | 43,529 | $1.12M | 0.00% | +40,819+1,506.2% | Added |
| Lisanti Capital Growth, LLC | 38,715 | $995.0K | 0.24% | −3,450−8.2% | Reduced |
| BNP Paribas Arbitrage, SA | 35,657 | $916.4K | 0.00% | +35,657 | New |
| Boothbay Fund Management, LLC | 35,567 | $914.1K | 0.03% | +35,567 | New |
| Crestline Management, LP | 35,068 | $901.2K | 0.03% | +35,068 | New |
| Arrowstreet Capital, Limited Partnership | 30,504 | $784.0K | 0.00% | +30,504 | New |
| Vanguard Group Inc | 30,476 | $783.2K | 0.00% | +17,031+126.7% | Added |
| Pamalican Asset Management Ltd | 30,000 | $771.0K | 0.34% | +30,000 | New |
| Gilder Gagnon Howe & Co LLC | 29,871 | $767.7K | 0.01% | +5,949+24.9% | Added |
| Lazard Asset Management LLC | 28,517 | $732.0K | 0.00% | +28,517 | New |
| Voloridge Investment Management, LLC | 28,041 | $720.7K | 0.00% | +28,041 | New |
| M&T Bank Corp | 27,328 | $702.2K | 0.00% | 00.0% | Unchanged |
| Jump Financial, LLC | 25,401 | $652.8K | 0.01% | +25,401 | New |
| Bellevue Group AG | 25,000 | $642.5K | 0.01% | +17,300+224.7% | Added |
| Yarbrough Capital, LLC | 23,960 | $615.8K | 0.02% | 00.0% | Unchanged |
| Legal & General Group Plc | 22,946 | $589.7K | 0.00% | +7,110+44.9% | Added |
| Northern Trust Corp | 21,627 | $555.8K | 0.00% | +21,627 | New |
| Omers Administration Corp | 20,500 | $526.9K | 0.00% | +20,500 | New |
| Royal Bank of Canada | 20,358 | $524.0K | 0.00% | +11,401+127.3% | Added |
| Schonfeld Strategic Advisors LLC | 20,382 | $523.8K | 0.00% | +20,382 | New |
| China Universal Asset Management Co., Ltd. | 19,589 | $503.4K | 0.05% | +19,589 | New |
| California State Teachers Retirement System | 19,404 | $498.7K | 0.00% | +3,694+23.5% | Added |
| Barclays PLC | 16,713 | $429.5K | 0.00% | +9,117+120.0% | Added |
| Teacher Retirement System of Texas | 10,753 | $276.0K | 0.00% | +10,753 | New |
| Walleye Capital LLC | 10,506 | $270.0K | 0.00% | −36,441−77.6% | Reduced |
| Keybank National Association | 9,983 | $256.6K | 0.00% | +9,983 | New |
| Glenmede Trust Co NA | 9,965 | $256.1K | 0.00% | −17,455−63.7% | Reduced |
| Cinctive Capital Management LP | 9,516 | $244.6K | 0.01% | −57,055−85.7% | Reduced |
| Envestnet Asset Management Inc | 9,359 | $240.5K | 0.00% | −8,738−48.3% | Reduced |
| SEI Investments Co | 9,326 | $239.7K | 0.00% | −14,456−60.8% | Reduced |
| Susquehanna International Group, LLP | 8,966 | $230.4K | 0.00% | +8,966 | New |