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

050100150200 Q1 2024: 76Q1 2024Q2 2024: 90Q2 2024Q3 2024: 100Q3 2024Q4 2024: 130Q4 2024Q1 2025: 126Q1 2025Q2 2025: 131Q2 2025Q3 2025: 137Q3 2025Q4 2025: 187Q4 2025Q1 2026: 171Q1 2026Q2 2026: 194Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions44$175.7M
Exits20$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

"% of holder's portfolio" is NAMS's weight in each manager's 13F, not the share of Newamsterdam Pharma Co. NV the manager owns.

Show all 194 holders