Newamsterdam Pharma Co. NVNAMS
13F holders, Q1 2025 (March 31)126holders −4
26new positions
31sold out
5famous investors
$20.50avg. 13F price*
At the end of Q1 2025, 126 institutions reported holding Newamsterdam Pharma Co. NV (NAMS) in their 13F filings, down 4 from Q4 2024. 26 opened new positions and 31 sold out. The largest holders were Frazier Life Sciences Management, L.P. ($329.9M), FCPM III Services B.V. ($223.8M) and Bain Capital Life Sciences Investors, LLC ($219.4M). 5 famous investors held it, including Stanley Druckenmiller (0.5% of Duquesne Family Office's portfolio), Andreas Halvorsen (0.5% of Viking Global Investors's portfolio) and Lee Ainslie (0.2% of Maverick Capital's portfolio).
- Company
- Newamsterdam Pharma Co. NV
- CUSIP
- N62509109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $19.0M |
| Exits | 31 | $50.1M |
All 13F filers, Q4 2024 → Q1 2025: 17,315,705 shares bought and 4,749,491 shares sold, net +12,566,214 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 126 holders
| Frazier Life Sciences Management, L.P. | 15.11% | Add +1.3% | 16,116,418 | $329.9M |
| FCPM III Services B.V. | 54.11% | Add +3.2% | 10,935,310 | $223.8M |
| Bain Capital Life Sciences Investors, LLC | 32.51% | No change | 10,719,110 | $219.4M |
| Ra Capital Management, L.P. | 3.47% | Add +14.6% | 10,138,938 | $207.5M |
| Viking Global Investors | 0.45% | No change | 6,978,534 | $142.9M |
| Capital World Investors | 0.02% | Add +569.1% | 6,798,598 | $139.2M |
| Deerfield Management Company, L.P. | 1.90% | Reduce -4.9% | 4,103,957 | $84.0M |
| Jennison Associates LLC | 0.06% | Reduce -0.7% | 3,970,189 | $81.3M |
| Wellington Management Group LLP | 0.01% | Add +53.0% | 3,541,975 | $72.5M |
| Medicxi Ventures Management (Jersey) Ltd | 13.42% | No change | 2,869,565 | $58.7M |
| Cormorant Asset Management, LP | 4.38% | Reduce -13.1% | 2,825,000 | $57.8M |
| Woodline Partners LP | 0.33% | Add +0.5% | 2,442,397 | $50.0M |
| Janus Henderson Group PLC | 0.03% | Add +26.6% | 2,199,633 | $47.9M |
| Polar Capital Holdings Plc | 0.28% | Add +28.6% | 2,250,000 | $46.1M |
| Alliancebernstein L.P. | 0.02% | Add +20.7% | 2,241,953 | $45.9M |
| Capital International Investors | 0.01% | No change | 2,062,535 | $42.2M |
| Adage Capital Partners Gp, L.L.C. | 0.07% | Add +85.8% | 1,950,650 | $39.9M |
| Siren, L.L.C. | 2.21% | Reduce -8.8% | 1,912,030 | $39.1M |
| Pictet Asset Management Holding SA | 0.04% | Add +56.5% | 1,811,949 | $37.1M |
| JPMorgan Chase & Co. | 0.00% | Add +1525.7% | 991,318 | $20.3M |
| FMR LLC | 0.00% | Add +454534.0% | 963,824 | $19.7M |
| TimesSquare Capital Management, LLC | 0.29% | Reduce -0.5% | 891,088 | $18.2M |
| Duquesne Family Office | 0.55% | Add +178.3% | 800,360 | $16.4M |
| Decheng Capital LLC | 4.42% | No change | 770,000 | $15.8M |
| Citadel Advisors | 0.01% | Reduce -30.1% | 681,933 | $14.0M |
| Bank of America Corp. | 0.00% | Add +1414.6% | 659,308 | $13.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -5.4% | 619,563 | $12.7M |
| Maverick Capital | 0.20% | Add +57.0% | 549,469 | $11.2M |
| Rock Springs Capital Management LP | 0.63% | Reduce -30.1% | 536,111 | $11.0M |
| American Century Companies Inc. | 0.01% | Add +52.6% | 528,830 | $10.8M |
| BlackRock, Inc. | 0.00% | Add +12.8% | 497,981 | $10.2M |
| Morgan Stanley | 0.00% | Add +1.7% | 437,539 | $9.0M |
| UBS Group AG | 0.00% | Add +396.4% | 398,143 | $8.1M |
| Aberdeen Group plc | 0.01% | Add +110.5% | 376,863 | $7.7M |
| ArrowMark Colorado Holdings LLC | 0.12% | Add +4.8% | 361,722 | $7.4M |
| Affinity Asset Advisors, LLC | 1.10% | Reduce -23.5% | 325,000 | $6.7M |
| Slate Path Capital LP | 0.12% | No change | 319,000 | $6.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +13.6% | 288,134 | $5.9M |
| Eversept Partners, LP | 0.65% | Add +2.0% | 280,951 | $5.8M |
| Handelsbanken Fonder AB | 0.02% | Add +38.7% | 260,000 | $5.3M |
| Franklin Resources Inc. | 0.00% | New | 255,912 | $5.2M |
| AXA S.A. | 0.02% | Reduce -12.8% | 242,519 | $5.0M |
| Readystate Asset Management LP | 0.43% | Reduce -11.8% | 229,662 | $4.7M |
| CenterBook Partners LP | 0.29% | Add +6.6% | 222,264 | $4.5M |
| Cutter Capital Management, LP | 1.97% | Reduce -34.4% | 221,152 | $4.5M |
| DCF Advisers, LLC | 1.90% | Add +93.0% | 172,500 | $3.5M |
| Susquehanna International Group, LLP | 0.01% | Add +1562.2% | 149,036 | $3.1M |
| Boothbay Fund Management, LLC | 0.10% | Add +262.3% | 128,875 | $2.6M |
| First Trust Advisors LP | 0.00% | New | 119,052 | $2.4M |
| Invesco Ltd. | 0.00% | Reduce -21.0% | 118,934 | $2.4M |
| Saturn V Capital Management LP | 1.20% | Add +16.4% | 116,353 | $2.4M |
| Atle Fund Management AB | 0.97% | Reduce -22.4% | 107,783 | $2.2M |
| Stempoint Capital LP | 0.68% | New | 104,585 | $2.1M |
| Parkman Healthcare Partners LLC | 0.25% | Add +32.6% | 100,955 | $2.1M |
| Ameriprise Financial Inc. | 0.00% | New | 95,154 | $1.9M |
| Geode Capital Management, LLC | 0.00% | Reduce -3.1% | 85,828 | $1.8M |
| Alps Advisors Inc. | 0.01% | Add +4.3% | 77,961 | $1.6M |
| Deutsche Bank AG | 0.00% | Add +2634.0% | 72,397 | $1.5M |
| Swiss National Bank | 0.00% | Reduce -1.5% | 70,900 | $1.5M |
| Avidity Partners Management LP | 0.29% | Reduce -80.8% | 68,000 | $1.4M |
| State Street Corp. | 0.00% | Add +10.7% | 66,698 | $1.4M |
| Trexquant Investment LP | 0.02% | New | 66,102 | $1.4M |
| ExodusPoint Capital Management, LP | 0.02% | New | 59,644 | $1.2M |
| BVF Inc. | 0.05% | New | 59,065 | $1.2M |
| Verition Fund Management LLC | 0.01% | New | 50,472 | $1.0M |
| Lisanti Capital Growth, LLC | 0.30% | Add +26.9% | 49,110 | $1.0M |
| Two Sigma Investments, LP | 0.00% | Reduce -53.3% | 41,858 | $857K |
| OMERS ADMINISTRATION Corp | 0.01% | Add +83.9% | 37,700 | $772K |
| Schonfeld Strategic Advisors LLC | 0.00% | Add +64.2% | 33,457 | $685K |
| Legal & General Group Plc | 0.00% | Add +44.4% | 33,129 | $678K |
| HRT Financial LP | 0.00% | New | 32,642 | $668K |
| Caption Management, LLC | 0.03% | Reduce -78.6% | 30,934 | $633K |
| Vanguard Group Inc. | 0.00% | No change | 30,476 | $624K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 29,779 | $610K |
| Northern Trust Corp. | 0.00% | Add +37.1% | 29,660 | $607K |
| Gilder Gagnon Howe & Co. LLC | 0.01% | Reduce -1.0% | 29,569 | $605K |
| BNP Paribas Financial Markets | 0.00% | Reduce -21.4% | 28,020 | $574K |
| Fred Alger Management, LLC | 0.00% | Reduce -66.0% | 27,421 | $561K |
| Yarbrough Capital, LLC | 0.02% | No change | 23,960 | $490K |
| Gsa Capital Partners LLP | 0.04% | Reduce -58.8% | 22,358 | $458K |
| China Universal Asset Management Co., Ltd. | 0.04% | Add +12.4% | 22,028 | $451K |
| Bellevue Group AG | 0.01% | Reduce -12.8% | 21,800 | $446K |
| Bryce Point Capital, LLC | 0.33% | New | 19,653 | $438K |
| California State Teachers Retirement System | 0.00% | No change | 19,404 | $397K |
| Barclays PLC | 0.00% | Reduce -5.0% | 15,885 | $325K |
| Millennium Management | 0.00% | Reduce -97.1% | 14,300 | $293K |
| HB Wealth Management, LLC | 0.00% | Add +28.9% | 11,247 | $230K |
| Arizona State Retirement System | 0.00% | New | 10,486 | $215K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +19.8% | 10,324 | $211K |
| Keybank National Association | 0.00% | No change | 9,983 | $204K |
| Royal Bank of Canada | 0.00% | Reduce -54.1% | 9,336 | $191K |
| Virtus Investment Advisers, LLC | 0.04% | New | 6,543 | $134K |
| KLP Kapitalforvaltning As | 0.00% | No change | 6,000 | $123K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +130.4% | 5,990 | $123K |
| SG Americas Securities, LLC | 0.00% | New | 5,659 | $116K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 7,640 | $116K |
| Avanza Fonder AB | 0.00% | New | 6,205 | $113K |
| PNC Financial Services Group, Inc. | 0.00% | Add +6.1% | 4,668 | $96K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +19.4% | 3,675 | $80K |
| Citigroup Inc. | 0.00% | Reduce -22.4% | 3,617 | $74K |
| Simplex Trading, LLC | 0.00% | Add +135.4% | 2,528 | $51K |
| GF Fund Management Co. LTD. | 0.00% | Add +21.9% | 2,365 | $48K |
| Kiker Wealth Management, LLC | 0.03% | New | 2,000 | $41K |
| National Bank of Canada | 0.00% | Reduce -8.4% | 1,832 | $37K |
| Parallel Advisors, LLC | 0.00% | Add +0.6% | 1,409 | $29K |
| Quarry LP | 0.01% | New | 1,200 | $25K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -45.1% | 712 | $15K |
| Signaturefd, LLC | 0.00% | Add +6.5% | 689 | $14K |
| US Bancorp \de | 0.00% | Reduce -77.1% | 641 | $13K |
| PSI Advisors, LLC | 0.00% | No change | 500 | $10K |
| Wells Fargo & Company | 0.00% | No change | 500 | $10K |
| Daiwa Securities Group Inc. | 0.00% | Add +22.9% | 375 | $8K |
| Stone House Investment Management, LLC | 0.00% | New | 325 | $7K |
| Continuum Advisory, LLC | 0.00% | New | 154 | $3K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -40.0% | 132 | $3K |
| Cwm, LLC | 0.00% | Add +62.2% | 120 | $2K |
| Roxbury Financial LLC | 0.00% | New | 69 | $1K |
| Lindbrook Capital, LLC | 0.00% | New | 45 | $921 |
| Coldstream Capital Management Inc. | 0.00% | New | 24 | $492 |
| Principal Securities, Inc. | 0.00% | No change | 13 | $334 |
| GAMMA Investing LLC | 0.00% | New | 7 | $143 |
| SBI Securities Co., Ltd. | 0.00% | New | 3 | $61 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 2 | $41 |
| True Wealth Design, LLC | 0.00% | New | 2 | $41 |
| Dupont Capital Management Corp. | 0.00% | No change | 1 | $20 |
| IFP Advisors, Inc | 0.00% | No change | 1 | $20 |
"% of holder's portfolio" is NAMS's weight in each manager's 13F, not the share of Newamsterdam Pharma Co. NV the manager owns.