Newamsterdam Pharma Co. NVNAMS
13F holders, Q2 2026 (June 30)194holders +23
44new positions
20sold out
10famous investors
$33.87avg. 13F price*
At the end of Q2 2026, 194 institutions reported holding Newamsterdam Pharma Co. NV (NAMS) in their 13F filings, up 23 from Q1 2026. 44 opened new positions and 20 sold out. The largest holders were Frazier Life Sciences Management, L.P. ($613.0M), Capital World Investors ($414.5M) and FMR LLC ($350.4M). 10 famous investors held it, including Stanley Druckenmiller (2.4% of Duquesne Family Office's portfolio), Lee Ainslie (1.0% of Maverick Capital's portfolio) and Andreas Halvorsen (0.4% of Viking Global Investors's portfolio).
- Company
- Newamsterdam Pharma Co. NV
- CUSIP
- N62509109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 44 | $175.7M |
| Exits | 20 | $49.0M |
All 13F filers, Q1 2026 → Q2 2026: 14,862,804 shares bought and 16,799,571 shares sold, net −1,936,767 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 194 holders
| Frazier Life Sciences Management, L.P. | 13.38% | Add +6.8% | 18,088,902 | $613.0M |
| Capital World Investors | 0.05% | Add +10.1% | 12,230,557 | $414.5M |
| FMR LLC | 0.02% | Add +17.9% | 10,339,663 | $350.4M |
| Ra Capital Management, L.P. | 2.81% | No change | 9,550,191 | $323.7M |
| FCPM III Services B.V. | 38.34% | Reduce -7.7% | 8,490,353 | $287.7M |
| Deerfield Management Company, L.P. | 1.80% | No change | 4,264,789 | $144.5M |
| Viking Global Investors | 0.41% | No change | 4,203,567 | $142.5M |
| Bain Capital Life Sciences Investors, LLC | 7.68% | Reduce -47.9% | 3,806,566 | $129.0M |
| Maverick Capital | 1.00% | Add +49.5% | 3,267,802 | $110.7M |
| Duquesne Family Office | 2.39% | No change | 3,070,146 | $104.0M |
| Jupiter Topco LLC | 0.04% | — | 2,535,682 | $86.0M |
| Medicxi Ventures Management (Jersey) Ltd | 42.19% | Reduce -17.4% | 2,208,639 | $74.9M |
| Jennison Associates LLC | 0.04% | Reduce -23.6% | 2,102,286 | $71.2M |
| Orbis Allan Gray Ltd | 0.20% | New | 1,747,627 | $59.2M |
| Polar Capital Holdings Plc | 0.17% | Reduce -39.1% | 1,724,518 | $58.4M |
| Capital International Investors | 0.01% | Add +19.6% | 1,723,495 | $58.4M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -20.6% | 1,544,911 | $52.4M |
| Westfield Capital Management Co. LP | 0.17% | Reduce -30.3% | 1,536,472 | $52.1M |
| Castle Hook Partners LP | 0.50% | Add +31.5% | 1,371,005 | $46.5M |
| Ameriprise Financial Inc. | 0.01% | Add +66.5% | 1,253,549 | $42.5M |
| Alliancebernstein L.P. | 0.01% | Add +5.0% | 1,259,940 | $40.3M |
| T. Rowe Price Associates Inc. | 0.00% | New | 1,167,357 | $39.6M |
| JPMorgan Chase & Co. | 0.00% | Add +28.1% | 1,132,955 | $38.4M |
| Aberdeen Group plc | 0.05% | Add +31.8% | 1,102,785 | $37.4M |
| BlackRock, Inc. | 0.00% | Add +20.0% | 1,063,750 | $36.1M |
| Franklin Resources Inc. | 0.01% | Add +29.1% | 993,917 | $33.7M |
| TimesSquare Capital Management, LLC | 0.40% | Add +5.9% | 796,162 | $27.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Reduce -18.4% | 781,140 | $26.5M |
| Susquehanna International Group, LLP | 0.02% | Add +4131.9% | 754,327 | $25.6M |
| Woodline Partners LP | 0.08% | Add +0.0% | 752,489 | $25.5M |
| Bank of America Corp. | 0.00% | Reduce -13.2% | 735,483 | $24.9M |
| Nwi Management LP | 1.52% | No change | 702,000 | $23.8M |
| American Century Companies Inc. | 0.01% | Add +31.8% | 684,813 | $23.2M |
| Citadel Advisors | 0.01% | Reduce -9.3% | 645,805 | $21.9M |
| Rock Springs Capital Management LP | 0.96% | Reduce -1.0% | 582,744 | $19.7M |
| First Turn Management, LLC | 2.11% | Add +4.3% | 582,497 | $19.7M |
| Morgan Stanley | 0.00% | Add +3.6% | 575,825 | $19.5M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | Reduce -50.3% | 550,000 | $18.6M |
| Artia Global Partners LP | 3.25% | No change | 503,936 | $17.1M |
| Millennium Management | 0.01% | Add +65.1% | 501,614 | $17.0M |
| Cormorant Asset Management, LP | 0.87% | Reduce -47.4% | 500,000 | $16.9M |
| Jane Street Group, LLC | 0.01% | Add +187.1% | 474,236 | $16.1M |
| Kennedy Capital Management LLC | 0.25% | Add +3.1% | 421,374 | $14.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.7% | 353,298 | $12.0M |
| HRT Financial LP | 0.02% | New | 349,843 | $11.9M |
| UBS Group AG | 0.00% | Reduce -56.7% | 344,065 | $11.7M |
| Slate Path Capital LP | 0.15% | No change | 319,000 | $10.8M |
| Lord, Abbett & Co. LLC | 0.03% | Add +56.9% | 306,560 | $10.4M |
| ExodusPoint Capital Management, LP | 0.10% | New | 304,334 | $10.3M |
| Eversept Partners, LP | 0.51% | Reduce -3.6% | 275,471 | $9.3M |
| Affinity Asset Advisors, LLC | 0.46% | No change | 275,000 | $9.3M |
| SEB Asset Management AB | 0.03% | No change | 272,654 | $9.2M |
| Atle Fund Management AB | 2.27% | Add +162.5% | 248,848 | $8.4M |
| Gilder Gagnon Howe & Co. LLC | 0.08% | Reduce -7.2% | 224,070 | $7.6M |
| Wellington Management Group LLP | 0.00% | Reduce -95.7% | 218,749 | $7.4M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -14.8% | 212,423 | $7.2M |
| ArrowMark Colorado Holdings LLC | 0.30% | Reduce -18.4% | 211,843 | $7.2M |
| Deutsche Bank AG | 0.00% | Add +60.2% | 199,931 | $6.8M |
| Vanguard Portfolio Management LLC | 0.00% | Add +34.5% | 181,674 | $6.2M |
| Decheng Capital LLC | 0.82% | Reduce -45.6% | 176,887 | $6.0M |
| Victory Capital Management Inc. | 0.00% | No change | 172,663 | $5.9M |
| Peregrine Capital Management LLC | 0.19% | Reduce -5.0% | 169,488 | $5.7M |
| Point72 Asset Management | 0.01% | New | 168,901 | $5.7M |
| Mizuho Markets Cayman LP | 0.19% | Add +188.2% | 150,539 | $5.1M |
| TD Asset Management Inc | 0.00% | New | 148,400 | $5.0M |
| XTX Topco Ltd | 0.06% | Add +0.2% | 145,008 | $4.9M |
| Jump Financial, LLC | 0.05% | New | 144,512 | $4.9M |
| DCF Advisers, LLC | 1.25% | Reduce -12.2% | 141,000 | $4.8M |
| Kornitzer Capital Management Inc. | 0.10% | New | 139,933 | $4.7M |
| Jefferies Financial Group Inc. | 0.04% | New | 122,728 | $4.2M |
| Handelsbanken Fonder AB | 0.01% | Reduce -70.8% | 122,400 | $4.1M |
| Swiss National Bank | 0.00% | Add +36.2% | 121,100 | $4.1M |
| D. E. Shaw & Co. | 0.00% | New | 120,561 | $4.1M |
| ADAR1 Capital Management, LLC | 0.19% | No change | 118,623 | $4.0M |
| Alps Advisors Inc. | 0.02% | Add +26.2% | 118,145 | $4.0M |
| State Street Corp. | 0.00% | Add +82.6% | 115,215 | $3.9M |
| Walleye Capital LLC | 0.02% | Add +91.4% | 111,819 | $3.8M |
| Geode Capital Management, LLC | 0.00% | Add +0.7% | 105,169 | $3.6M |
| Swedbank AB | 0.00% | Add +3.2% | 104,100 | $3.5M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +751.5% | 96,232 | $3.3M |
| Northern Trust Corp. | 0.00% | Add +191.7% | 93,971 | $3.2M |
| Squarepoint Ops LLC | 0.01% | Add +113.9% | 92,026 | $3.1M |
| Moody Aldrich Partners LLC | 0.55% | Reduce -21.2% | 90,617 | $3.1M |
| Schonfeld Strategic Advisors LLC | 0.02% | New | 89,765 | $3.0M |
| Bellevue Group AG | 0.06% | Add +214.5% | 86,994 | $2.9M |
| Algert Global LLC | 0.03% | New | 81,340 | $2.8M |
| Man Group plc | 0.01% | New | 80,832 | $2.7M |
| Tudor Investment Corporation | 0.01% | New | 79,460 | $2.7M |
| Y-Intercept (Hong Kong) Ltd | 0.05% | New | 78,136 | $2.6M |
| Stempoint Capital LP | 0.46% | Reduce -57.0% | 77,589 | $2.6M |
| Headlands Technologies LLC | 0.26% | Add +161.4% | 72,335 | $2.5M |
| California State Teachers Retirement System | 0.00% | Add +24.1% | 67,418 | $2.3M |
| Pavaki Capital Management LLC | 1.29% | Add +82.0% | 66,600 | $2.3M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.00% | Add +34.9% | 63,298 | $2.1M |
| Fox Run Management, L.L.C. | 0.33% | New | 59,477 | $2.0M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -30.4% | 58,707 | $2.0M |
| China Universal Asset Management Co., Ltd. | 0.10% | Add +11.2% | 48,605 | $1.6M |
| Qube Research & Technologies Ltd | 0.00% | New | 47,090 | $1.6M |
| Fred Alger Management, LLC | 0.01% | Reduce -16.8% | 45,115 | $1.5M |
| Palo Alto Investors LP | 0.21% | New | 44,359 | $1.5M |
| Knights of Columbus Asset Advisors LLC | 0.07% | Add +21.0% | 43,800 | $1.5M |
| First Trust Advisors LP | 0.00% | Reduce -83.9% | 43,108 | $1.5M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +50.7% | 42,422 | $1.4M |
| Fieldview Capital Management, LLC | 0.40% | New | 41,842 | $1.4M |
| Sei Investments Co. | 0.00% | Reduce -26.6% | 40,868 | $1.4M |
| Legal & General Group Plc | 0.00% | Add +17.5% | 39,343 | $1.3M |
| Ishara Investments LP | 0.92% | No change | 36,900 | $1.3M |
| Boothbay Fund Management, LLC | 0.02% | Add +30.8% | 35,756 | $1.2M |
| BNP Paribas Financial Markets | 0.00% | Reduce -4.7% | 35,710 | $1.2M |
| State of Wisconsin Investment Board | 0.00% | Add +61.4% | 33,159 | $1.1M |
| Los Angeles Capital Management LLC | 0.00% | New | 32,999 | $1.1M |
| Stifel Financial Corp. | 0.00% | Add +9.0% | 31,851 | $1.1M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +49.9% | 31,355 | $1.1M |
| Quadrature Capital Ltd | 0.01% | New | 30,593 | $1.0M |
| Voya Investment Management LLC | 0.00% | No change | 27,050 | $917K |
| Eleva Capital SAS | 0.24% | No change | 25,721 | $823K |
| AQR Capital Management | 0.00% | Add +118.5% | 22,691 | $769K |
| HighVista Strategies LLC | 0.16% | Add +4.2% | 20,905 | $708K |
| Glenmede Trust Co. NA | 0.00% | Add +9.9% | 20,420 | $692K |
| DNB Asset Management AS | 0.00% | Reduce -6.8% | 20,090 | $681K |
| Tidal Investments LLC | 0.00% | Reduce -11.4% | 19,894 | $674K |
| Engineers Gate Manager LP | 0.01% | New | 19,529 | $662K |
| State of New Jersey Common Pension Fund D | 0.00% | Add +26.8% | 19,518 | $661K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +6.9% | 19,099 | $647K |
| Wells Fargo & Company | 0.00% | Add +1904.2% | 18,038 | $611K |
| Arizona State Retirement System | 0.00% | Add +34.6% | 16,656 | $564K |
| Vanguard Investments Australia, Ltd. | 0.00% | Add +57.3% | 15,774 | $535K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -0.2% | 15,520 | $526K |
| SBI Okasan Asset Management Co.Ltd. | 0.02% | No change | 14,900 | $505K |
| AlphaCentric Advisors LLC | 0.43% | Add +1.4% | 14,868 | $504K |
| Royal Bank of Canada | 0.00% | Add +26.9% | 14,362 | $487K |
| KLP Kapitalforvaltning As | 0.00% | Add +38.4% | 13,700 | $464K |
| Keybank National Association | 0.00% | No change | 12,480 | $423K |
| Two Sigma Investments, LP | 0.00% | New | 12,001 | $407K |
| PSP Research LLC | 0.22% | Reduce -20.0% | 12,000 | $407K |
| PTM Wealth Management, LLC | 0.17% | No change | 12,900 | $382K |
| Virtus Investment Advisers, LLC | 0.09% | Add +47.1% | 10,763 | $365K |
| Financiere des Professionnels - Fonds d'investissement inc. | 0.02% | New | 10,744 | $364K |
| Cerity Partners LLC | 0.00% | New | 10,061 | $341K |
| Caitong International Asset Management Co., Ltd | 0.04% | Add +156.4% | 9,682 | $328K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -43.2% | 9,548 | $324K |
| Letko, Brosseau & Associates Inc. | 0.00% | Reduce -19.5% | 9,475 | $321K |
| Baron Capital (BAMCO) | 0.00% | New | 9,000 | $305K |
| AdvisorNet Financial, Inc | 0.01% | Add +226.5% | 8,375 | $284K |
| Pictet Asset Management Holding SA | 0.00% | Add +25.1% | 8,175 | $277K |
| Creative Planning | 0.00% | Reduce -2.7% | 8,135 | $276K |
| Barclays PLC | 0.00% | Reduce -62.9% | 8,072 | $274K |
| Citigroup Inc. | 0.00% | Add +68.4% | 8,026 | $272K |
| Mesirow Financial Investment Management, Inc. | 0.00% | Reduce -51.6% | 7,465 | $253K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -20.1% | 7,291 | $247K |
| US Bancorp \de | 0.00% | Add +33.1% | 7,286 | $247K |
| Persistent Asset Partners Ltd | 0.08% | New | 7,284 | $247K |
| Wealth Management Associates, Inc. | 0.07% | New | 7,055 | $239K |
| Teacher Retirement System of Texas | 0.00% | New | 7,008 | $238K |
| Centiva Capital, LP | 0.01% | New | 7,000 | $237K |
| Invesco Ltd. | 0.00% | Reduce -9.2% | 6,617 | $224K |
| Allianz Asset Management GmbH | 0.00% | No change | 6,600 | $224K |
| Guggenheim Capital LLC | 0.00% | Reduce -0.9% | 6,400 | $217K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -12.8% | 5,228 | $177K |
| Quarry LP | 0.03% | Add +1.0% | 4,544 | $154K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +275.6% | 4,500 | $153K |
| Mitsubishi UFJ Trust & Banking Corp | 0.00% | New | 4,330 | $147K |
| SG Americas Securities, LLC | 0.00% | New | 3,384 | $115K |
| Quantbot Technologies LP | 0.00% | New | 2,694 | $91K |
| KBC Group NV | 0.00% | Add +112.0% | 2,483 | $84K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -4.4% | 2,434 | $82K |
| National Bank of Canada | 0.00% | Reduce -10.1% | 1,813 | $61K |
| Federation des caisses Desjardins du Quebec | 0.00% | New | 1,785 | $60K |
| Parallel Advisors, LLC | 0.00% | Reduce -0.7% | 1,400 | $47K |
| Bayforest Capital Ltd | 0.04% | New | 1,277 | $43K |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0.01% | No change | 1,067 | $36K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -1.2% | 1,006 | $34K |
| Cheviot Value Management, LLC | 0.00% | No change | 796 | $27K |
| SBI Securities Co., Ltd. | 0.00% | New | 615 | $21K |
| Roxbury Financial LLC | 0.02% | No change | 563 | $19K |
| Stone House Investment Management, LLC | 0.00% | No change | 325 | $11K |
| Global Retirement Partners, LLC | 0.00% | — | 270 | $9K |
| FIL Ltd | 0.00% | No change | 217 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | New | 209 | $7K |
| Arax Advisory Partners | 0.00% | New | 178 | $6K |
| Jones Financial Companies LLLP | 0.00% | Reduce -68.3% | 168 | $6K |
| Continuum Advisory, LLC | 0.00% | New | 154 | $5K |
| Osaic Holdings, Inc. | 0.00% | New | 139 | $5K |
| Basecamp Wealth Advisors LLC | 0.00% | No change | 99 | $3K |
| Clearstead Advisors, LLC | 0.00% | New | 76 | $3K |
| Essential Partners LLC | 0.00% | Add +2550.0% | 53 | $2K |
| Allworth Financial LP | 0.00% | Add +177.8% | 25 | $848 |
| True Wealth Design, LLC | 0.00% | No change | 21 | $712 |
| Fiduciary Financial Advisors | 0.00% | New | 13 | $441 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -8.3% | 11 | $373 |
| GAMMA Investing LLC | 0.00% | New | 9 | $305 |
| Rothschild Investment LLC | 0.00% | New | 3 | $102 |
| IFP Advisors, Inc | 0.00% | No change | 3 | $102 |
| Dupont Capital Management Corp. | 0.00% | — | 1 | $34 |
"% of holder's portfolio" is NAMS's weight in each manager's 13F, not the share of Newamsterdam Pharma Co. NV the manager owns.