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, Q1 2026
Institutional positions in NewAmsterdam Pharma Co N.V. as of Mar 31, 2026. 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
- 171
- −12 vs. Q4 2025
- Shares held
- 123.7M
- +4.50M (+3.8%) vs. Q4 2025
- Total value
- $3.96B
- −$218.6M (−5.2%) vs. Q4 2025
- New holders
- 24
- 68 more added
- Sold out
- 36
- 49 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| DuPont Capital Management Corp | 1 | $32 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 2 | $64 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 3 | $96 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 8 | $256 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 9 | $289 | 0.00% | +9 | New |
| MAI Capital Management | 11 | $353 | 0.00% | +11 | New |
| EverSource Wealth Advisors, LLC | 12 | $384 | 0.00% | +4+50.0% | Added |
| True Wealth Design, LLC | 21 | $673 | 0.00% | 00.0% | Unchanged |
| Rachor Investment Advisory Services, LLC | 28 | $897 | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 60 | $1.92K | 0.00% | +60 | New |
| Basecamp Wealth Advisors LLC | 99 | $3.17K | 0.00% | 00.0% | Unchanged |
| Eastern Bank | 187 | $5.99K | 0.00% | 00.0% | Unchanged |
| FIL Ltd | 217 | $6.95K | 0.00% | +217 | New |
| Stone House Investment Management, LLC | 325 | $10.4K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 530 | $15.9K | 0.00% | +331+166.3% | Added |
| State of Wyoming | 532 | $17.0K | 0.00% | −69−11.5% | Reduced |
| Roxbury Financial LLC | 563 | $18.0K | 0.02% | +120+27.1% | Added |
| Cheviot Value Management, LLC | 796 | $25.5K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 900 | $28.8K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,018 | $32.6K | 0.00% | +37+3.8% | Added |
| Farther Finance Advisors, LLC | 1,018 | $33.4K | 0.00% | +294+40.6% | Added |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 1,067 | $34.2K | 0.01% | 00.0% | Unchanged |
| KBC Group NV | 1,171 | $37.0K | 0.00% | +1,171 | New |
| Tower Research Capital LLC (TRC) | 1,198 | $38.3K | 0.00% | +255+27.0% | Added |
| Parallel Advisors, LLC | 1,410 | $45.1K | 0.00% | +10+0.7% | Added |
| National Bank of Canada | 2,017 | $64.5K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 2,546 | $81.5K | 0.00% | +318+14.3% | Added |
| AdvisorNet Financial, Inc | 2,565 | $82.1K | 0.00% | +2,565 | New |
| Freestone Grove Partners LP | 3,000 | $96.0K | 0.00% | +3,000 | New |
| Caitong International Asset Management Co., Ltd | 3,776 | $120.9K | 0.02% | +3,753+16,317.4% | Added |
| Quarry LP | 4,500 | $144.0K | 0.03% | +1,500+50.0% | Added |
| Citigroup Inc | 4,766 | $152.6K | 0.00% | +1,068+28.9% | Added |
| US Bancorp | 5,474 | $175.2K | 0.00% | +2,055+60.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 5,997 | $192.0K | 0.00% | +487+8.8% | Added |
| Guggenheim Capital LLC | 6,458 | $206.7K | 0.00% | +70+1.1% | Added |
| Pictet Asset Management Holding SA | 6,533 | $209.1K | 0.00% | −739,589−99.1% | Reduced |
| Allianz Asset Management GmbH | 6,600 | $211.3K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 7,291 | $233.4K | 0.00% | +1,330+22.3% | Added |
| Virtus Investment Advisers, Inc. | 7,319 | $234.3K | 0.06% | +177+2.5% | Added |
| Creative Planning | 8,357 | $267.5K | 0.00% | −7,280−46.6% | Reduced |
| The PNC Financial Services Group, Inc. | 9,119 | $291.9K | 0.00% | +5,437+147.7% | Added |
| KLP Kapitalforvaltning AS | 9,900 | $316.9K | 0.00% | +800+8.8% | Added |
| Vanguard Investments Australia, Ltd. | 10,027 | $321.0K | 0.00% | +10,027 | New |
| AQR Capital Management LLC | 10,384 | $332.4K | 0.00% | +102+1.0% | Added |
| Twinbeech Capital LP | 10,600 | $339.3K | 0.04% | −16,800−61.3% | Reduced |
| Manufacturers Life Insurance Company, The | 11,302 | $361.8K | 0.00% | −11,396−50.2% | Reduced |
| Royal Bank of Canada | 11,314 | $362.0K | 0.00% | −12,770−53.0% | Reduced |
| Letko, Brosseau & Associates Inc | 11,775 | $376.9K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 12,375 | $396.1K | 0.00% | −358−2.8% | Reduced |
| Keybank National Association | 12,480 | $399.5K | 0.00% | −619−4.7% | Reduced |
| SBI Okasan Asset Management Co.Ltd. | 14,900 | $437.0K | 0.02% | 00.0% | Unchanged |
| PTM Wealth Management, LLC | 12,900 | $440.1K | 0.23% | 00.0% | Unchanged |
| Altfest L J & Co Inc | 13,934 | $446.0K | 0.05% | +13,934 | New |
| AlphaCentric Advisors LLC | 14,656 | $469.1K | 0.47% | +925+6.7% | Added |
| PSP Research LLC | 15,000 | $480.1K | 0.34% | +80+0.5% | Added |
| State of New Jersey Common Pension Fund D | 15,397 | $492.9K | 0.00% | +20+0.1% | Added |
| Mesirow Financial Investment Management, Inc. | 15,430 | $493.9K | 0.01% | +7,215+87.8% | Added |
| Envestnet Asset Management Inc | 15,550 | $497.8K | 0.00% | −2,022−11.5% | Reduced |
| Brevan Howard Capital Management LP | 16,800 | $527.9K | 0.01% | +16,800 | New |
| New York State Common Retirement Fund | 17,800 | $569.8K | 0.00% | −8,880−33.3% | Reduced |
| Susquehanna International Group, LLP | 17,825 | $570.6K | 0.00% | −177,810−90.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 17,865 | $571.9K | 0.00% | −705−3.8% | Reduced |
| Glenmede Trust Co NA | 18,575 | $594.6K | 0.00% | −3,640−16.4% | Reduced |
| Caption Management, LLC | 19,507 | $624.4K | 0.03% | +9,979+104.7% | Added |
| Aquatic Capital Management LLC | 19,630 | $628.4K | 0.02% | −26,359−57.3% | Reduced |
| DAFNA Capital Management LLC | 20,000 | $640.2K | 0.15% | +20,000 | New |
| HighVista Strategies LLC | 20,067 | $642.3K | 0.18% | −15,519−43.6% | Reduced |
| State of Wisconsin Investment Board | 20,547 | $657.7K | 0.00% | +550+2.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 20,921 | $669.7K | 0.00% | +1,117+5.6% | Added |
| DnB Asset Management AS | 21,558 | $690.1K | 0.00% | +1,439+7.2% | Added |
| Legato Capital Management LLC | 21,570 | $690.5K | 0.06% | −62,263−74.3% | Reduced |
| Barclays PLC | 21,780 | $697.2K | 0.00% | +16,128+285.4% | Added |
| CenterBook Partners LP | 22,254 | $712.4K | 0.04% | +10,194+84.5% | Added |
| Toroso Investments, LLC | 22,458 | $718.9K | 0.00% | +22,458 | New |
| Lifetime Wealth Management P.C. | 23,500 | $752.2K | 0.43% | −35,750−60.3% | Reduced |
| Eleva Capital SAS | 25,721 | $823.3K | 0.24% | +25,721 | New |
| Voya Investment Management LLC | 27,050 | $865.9K | 0.00% | −1,825−6.3% | Reduced |
| Boothbay Fund Management, LLC | 27,336 | $875.0K | 0.02% | −6,583−19.4% | Reduced |
| Bellevue Group AG | 27,661 | $885.4K | 0.02% | −8,675−23.9% | Reduced |
| Headlands Technologies LLC | 27,676 | $885.9K | 0.10% | +27,676 | New |
| Vanguard Asset Management, Ltd | 28,146 | $901.0K | 0.00% | +28,146 | New |
| Stifel Financial Corp | 29,221 | $935.2K | 0.00% | +29,221 | New |
| Northern Trust Corp | 32,218 | $1.03M | 0.00% | +81+0.3% | Added |
| Legal & General Group Plc | 33,476 | $1.07M | 0.00% | −7,475−18.3% | Reduced |
| Knights of Columbus Asset Advisors LLC | 36,190 | $1.16M | 0.07% | +3,707+11.4% | Added |
| Pavaki Capital Management LLC | 36,600 | $1.17M | 0.82% | +36,600 | New |
| Ishara Investments LP | 36,900 | $1.18M | 1.19% | +6,900+23.0% | Added |
| BNP Paribas Arbitrage, SA | 37,450 | $1.20M | 0.00% | +12,316+49.0% | Added |
| Squarepoint Ops LLC | 43,021 | $1.38M | 0.00% | +12,202+39.6% | Added |
| China Universal Asset Management Co., Ltd. | 43,703 | $1.40M | 0.11% | +17,226+65.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 46,936 | $1.50M | 0.00% | −16,366−25.9% | Reduced |
| Mizuho Markets Cayman LP | 52,227 | $1.67M | 0.09% | +4,348+9.1% | Added |
| Fred Alger Management, LLC | 54,195 | $1.73M | 0.01% | +6,660+14.0% | Added |
| California State Teachers Retirement System | 54,329 | $1.74M | 0.00% | +14,053+34.9% | Added |
| SEI Investments Co | 55,637 | $1.78M | 0.00% | +14,597+35.6% | Added |
| Walleye Capital LLC | 58,434 | $1.87M | 0.01% | −37,827−39.3% | Reduced |
| State Street Corp | 63,090 | $2.02M | 0.00% | −5,433−7.9% | Reduced |
| Catalio Capital Management, LP | 83,554 | $2.67M | 0.56% | +83,554 | New |
| Russell Investments Group, Ltd. | 84,385 | $2.70M | 0.00% | +13,103+18.4% | Added |
| Swiss National Bank | 88,900 | $2.85M | 0.00% | 00.0% | Unchanged |