NEWAMSTERDAM PHARMA CO NV NAMS
$34.83
-1.0% 52w: $17.96 – $41.45
Latest 13F among current holders filed 10 days ago (Jun 24, 2026)
Price — last 12 months
research preview data17.9629.7041.45
Jun 20, 2025 Jul 2, 2026
Institutional holders
170
-18 QoQ
13F value
$3.97B
-5.3% QoQ
Smart-money holders
29
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
0.5×
$9.4M calls / $17.3M puts
Institutional value by quarter
Number of holders
Who owns NAMS?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P. ★3 | Fundamental concentrated | 16.9M | $542.4M | 14.0% | Held |
| Capital World Investors | Long only active | 11.1M | $355.6M | 0.0% | +11.3% |
| RA CAPITAL MANAGEMENT, L.P. ★2 | Fundamental diversified | 9.6M | $305.7M | 3.2% | Held |
| FCPM III SERVICES B.V. ★3 | Fundamental concentrated | 9.2M | $294.5M | 40.8% | Held |
| FMR LLC | Long only active | 8.8M | $280.6M | 0.0% | +36.7% |
| Bain Capital Life Sciences Investors, LLC ★3 | Fundamental concentrated | 7.3M | $233.9M | 21.1% | Held |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 5.1M | $163.8M | 0.0% | +1.6% |
| DEERFIELD MANAGEMENT COMPANY, L.P. | Quant stat arb | 4.3M | $136.5M | 1.9% | +2.4% |
| VIKING GLOBAL INVESTORS LP ★2 | Fundamental diversified | 4.2M | $134.6M | 0.4% | Held |
| Duquesne Family Office LLC ★3 | Value conviction | 3.1M | $98.3M | 3.3% | Held |
| Polar Capital Holdings Plc | Other | 2.8M | $90.6M | 0.4% | +2.0% |
| JENNISON ASSOCIATES LLC | Other | 2.8M | $88.0M | 0.1% | -21.2% |
| Medicxi Ventures Management (Jersey) Ltd ★2 | Fundamental diversified | 2.7M | $85.6M | 8.7% | -6.8% |
| JANUS HENDERSON GROUP PLC | Diversified mechanical | 2.3M | $72.3M | 0.0% | -3.5% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Other | 2.2M | $70.5M | 0.3% | New |
| MAVERICK CAPITAL LTD ★2 | Fundamental diversified | 2.2M | $70.0M | 0.8% | +15.4% |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.9M | $62.3M | 0.0% | +12.8% |
| Capital International Investors | Long only active | 1.4M | $46.1M | 0.0% | -30.1% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 1.2M | $42.1M | 0.0% | -7.8% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Other | 1.1M | $35.4M | 0.1% | -21.3% |
| Castle Hook Partners LP ★2 | Fundamental concentrated | 1.0M | $33.4M | 0.7% | -3.9% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Bank broker | 957.4K | $30.6M | 0.0% | +440.9% |
| Cormorant Asset Management, LP ★3 | Fundamental concentrated | 950.0K | $30.4M | 1.5% | -5.0% |
| BlackRock, Inc. | Index provider | 886.6K | $28.4M | 0.0% | +4.3% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 847.1K | $27.1M | 0.0% | +84.4% |
| Aberdeen Group plc | Other | 837.0K | $26.8M | 0.0% | +14.7% |
| JPMORGAN CHASE & CO | Bank broker | 884.2K | $25.9M | 0.0% | -11.6% |
| UBS Group AG | Bank broker | 795.0K | $25.4M | 0.0% | -11.6% |
| FRANKLIN RESOURCES INC | Long only active | 770.2K | $24.7M | 0.0% | +0.1% |
| AMERIPRISE FINANCIAL INC | Bank broker | 753.1K | $24.1M | 0.0% | +394.6% |
| Woodline Partners LP | Other | 752.3K | $24.1M | 0.1% | +0.1% |
| TimesSquare Capital Management, LLC | Other | 752.0K | $24.1M | 0.4% | -8.6% |
| CITADEL ADVISORS LLC | Multistrat pod | 712.1K | $22.8M | 0.0% | +12.1% |
| NWI MANAGEMENT LP | Other | 702.0K | $22.5M | 0.7% | Held |
| Logos Global Management LP ★2 | Fundamental concentrated | 600.0K | $19.2M | 1.0% | +33.3% |
| Rock Springs Capital Management LP ★2 | Fundamental diversified | 588.8K | $18.8M | 1.1% | +5.7% |
| First Turn Management, LLC ★2 | Fundamental diversified | 558.3K | $17.9M | 2.0% | -37.5% |
| MORGAN STANLEY | Bank broker | 555.8K | $17.8M | 0.0% | +4.3% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 519.5K | $16.6M | 0.0% | -13.9% |
| Artia Global Partners LP ★2 | Fundamental concentrated | 503.9K | $16.1M | 3.6% | Held |
| Handelsbanken Fonder AB | Diversified mechanical | 418.9K | $13.4M | 0.0% | +0.7% |
| KENNEDY CAPITAL MANAGEMENT LLC | Other | 408.5K | $13.1M | 0.3% | +136.2% |
| Bank of New York Mellon Corp | Diversified mechanical | 378.8K | $12.1M | 0.0% | -3.3% |
| STEMPOINT CAPITAL LP ★2 | Fundamental concentrated | 361.3K | $11.6M | 1.1% | +394.2% |
| Decheng Capital LLC ★3 | Fundamental concentrated | 325.1K | $10.4M | 1.6% | -45.1% |
| Slate Path Capital LP ★2 | Fundamental diversified | 319.0K | $10.2M | 0.2% | Held |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 303.8K | $9.7M | 0.0% | +19.3% |
| Eversept Partners, LP ★2 | Fundamental diversified | 285.8K | $9.1M | 0.6% | -32.1% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Bank broker | 285.3K | $9.1M | 0.0% | +7.6% |
| Affinity Asset Advisors, LLC ★2 | Fundamental diversified | 275.0K | $8.8M | 0.5% | Held |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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