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, Q4 2025
Institutional positions in NewAmsterdam Pharma Co N.V. as of Dec 31, 2025. 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
- 187
- +52 vs. Q3 2025
- Shares held
- 119.3M
- −1.05M (−0.9%) vs. Q3 2025
- Total value
- $4.19B
- +$762.8M (+22.3%) vs. Q3 2025
- New holders
- 61
- 53 more added
- Sold out
- 9
- 51 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 25,134 | $881.7K | 0.00% | −2,194−8.0% | Reduced |
| Royal Bank of Canada | 24,084 | $846.0K | 0.00% | −2,418−9.1% | Reduced |
| Yarbrough Capital, LLC | 23,960 | $840.5K | 0.03% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 22,698 | $792.1K | 0.00% | +193+0.9% | Added |
| Glenmede Trust Co NA | 22,215 | $779.3K | 0.00% | +22,215 | New |
| PEAK6 LLC | 20,749 | $727.9K | 0.02% | +20,749 | New |
| Holocene Advisors, LP | 20,459 | $717.7K | 0.00% | +20,459 | New |
| DnB Asset Management AS | 20,119 | $705.8K | 0.00% | +20,119 | New |
| State of Wisconsin Investment Board | 19,997 | $701.5K | 0.00% | +19,997 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,804 | $694.7K | 0.00% | +12,400+167.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 18,570 | $651.4K | 0.00% | −7,366−28.4% | Reduced |
| Envestnet Asset Management Inc | 17,572 | $616.4K | 0.00% | +17,572 | New |
| Creative Planning | 15,637 | $548.5K | 0.00% | +15,637 | New |
| State of New Jersey Common Pension Fund D | 15,377 | $539.4K | 0.00% | +15,377 | New |
| PSP Research LLC | 14,920 | $523.4K | 0.46% | +14,920 | New |
| SBI Okasan Asset Management Co.Ltd. | 14,900 | $521.8K | 0.03% | +14,900 | New |
| AlphaCentric Advisors LLC | 13,731 | $481.7K | 0.48% | +13,731 | New |
| TD Asset Management Inc | 13,180 | $462.4K | 0.00% | −4,820−26.8% | Reduced |
| Keybank National Association | 13,099 | $459.5K | 0.00% | −2,915−18.2% | Reduced |
| Arizona State Retirement System | 12,733 | $446.7K | 0.00% | −518−3.9% | Reduced |
| PTM Wealth Management, LLC | 12,900 | $431.9K | 0.24% | 00.0% | Unchanged |
| CenterBook Partners LP | 12,060 | $423.1K | 0.02% | −58,553−82.9% | Reduced |
| Jefferies Financial Group Inc. | 12,000 | $421.0K | 0.00% | 00.0% | Unchanged |
| Letko, Brosseau & Associates Inc | 11,775 | $413.1K | 0.01% | 00.0% | Unchanged |
| Polen Capital Management LLC | 11,239 | $394.3K | 0.00% | +11,239 | New |
| AQR Capital Management LLC | 10,282 | $360.7K | 0.00% | +86+0.8% | Added |
| Fox Run Management, L.L.C. | 9,798 | $343.7K | 0.05% | +9,798 | New |
| Caption Management, LLC | 9,528 | $334.2K | 0.01% | +9,528 | New |
| Jaffetilchin Investment Partners, LLC | 9,218 | $323.4K | 0.02% | +9,218 | New |
| KLP Kapitalforvaltning AS | 9,100 | $319.2K | 0.00% | 00.0% | Unchanged |
| Mesirow Financial Investment Management, Inc. | 8,215 | $288.2K | 0.01% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 7,240 | $254.0K | 0.00% | −400−5.2% | Reduced |
| Virginia Retirement Systems Et Al | 7,200 | $252.6K | 0.00% | +7,200 | New |
| Virtus Investment Advisers, Inc. | 7,142 | $250.5K | 0.07% | +1,731+32.0% | Added |
| Teacher Retirement System of Texas | 6,687 | $234.6K | 0.00% | −4,096−38.0% | Reduced |
| Allianz Asset Management GmbH | 6,600 | $231.5K | 0.00% | +6,600 | New |
| Avanza Fonder AB | 6,566 | $230.3K | 0.01% | −939−12.5% | Reduced |
| Brinker Capital Investments, LLC | 6,545 | $229.6K | 0.00% | +6,545 | New |
| Guggenheim Capital LLC | 6,388 | $224.1K | 0.00% | +6,388 | New |
| Invesco Ltd. | 5,961 | $209.1K | 0.00% | −98,715−94.3% | Reduced |
| Simon Quick Advisors, LLC | 5,763 | $202.2K | 0.01% | +5,763 | New |
| Barclays PLC | 5,652 | $198.3K | 0.00% | −66−1.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 5,510 | $193.3K | 0.00% | +1,156+26.6% | Added |
| Seven Fleet Capital Management LP | 4,000 | $140.3K | 0.09% | +4,000 | New |
| Persistent Asset Partners Ltd | 3,948 | $138.5K | 0.07% | +3,948 | New |
| Citigroup Inc | 3,698 | $129.7K | 0.00% | −1,404−27.5% | Reduced |
| Quantbot Technologies LP | 3,692 | $129.5K | 0.00% | +3,692 | New |
| The PNC Financial Services Group, Inc. | 3,682 | $129.2K | 0.00% | +66+1.8% | Added |
| US Bancorp | 3,419 | $119.9K | 0.00% | +3,284+2,432.6% | Added |
| Quarry LP | 3,000 | $105.2K | 0.02% | −3,875−56.4% | Reduced |
| NBC Securities, Inc. | 2,457 | $86.2K | 0.01% | +2,457 | New |
| GF Fund Management Co. Ltd. | 2,228 | $78.2K | 0.00% | −195−8.0% | Reduced |
| National Bank of Canada | 2,017 | $70.8K | 0.00% | +68+3.5% | Added |
| Wolverine Asset Management LLC | 2,012 | $70.6K | 0.00% | −417−17.2% | Reduced |
| Parallel Advisors, LLC | 1,400 | $49.1K | 0.00% | 00.0% | Unchanged |
| Navalign, LLC | 1,315 | $46.1K | 0.01% | +1,315 | New |
| Group One Trading, L.P. | 1,313 | $46.1K | 0.00% | +216+19.7% | Added |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 1,067 | $37.4K | 0.01% | 00.0% | Unchanged |
| CWM, LLC | 981 | $34.0K | 0.00% | +2+0.2% | Added |
| Tower Research Capital LLC (TRC) | 943 | $33.1K | 0.00% | −2,029−68.3% | Reduced |
| Wells Fargo & Company | 900 | $31.6K | 0.00% | +300+50.0% | Added |
| Farther Finance Advisors, LLC | 724 | $25.4K | 0.00% | +708+4,425.0% | Added |
| Cheviot Value Management, LLC | 796 | $25.4K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 647 | $22.7K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 601 | $21.1K | 0.00% | +21+3.6% | Added |
| Roxbury Financial LLC | 443 | $15.5K | 0.01% | +119+36.7% | Added |
| Daiwa Securities Group Inc. | 335 | $12.0K | 0.00% | −40−10.7% | Reduced |
| Strategic Wealth Partners, Ltd. | 325 | $11.4K | 0.00% | −650−66.7% | Reduced |
| Stone House Investment Management, LLC | 325 | $11.4K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 270 | $9.47K | 0.00% | +270 | New |
| Greenline Wealth Management LLC | 233 | $8.16K | 0.01% | +233 | New |
| Jones Financial Companies LLLP | 199 | $6.98K | 0.00% | −50−20.1% | Reduced |
| Eastern Bank | 187 | $6.56K | 0.00% | +187 | New |
| Basecamp Wealth Advisors LLC | 99 | $3.47K | 0.00% | +99 | New |
| SJS Investment Consulting Inc. | 85 | $2.98K | 0.00% | +85 | New |
| ORG Partners LLC | 60 | $2.10K | 0.00% | +60 | New |
| Rachor Investment Advisory Services, LLC | 28 | $983 | 0.00% | +28 | New |
| Caitong International Asset Management Co., Ltd | 23 | $807 | 0.00% | +23 | New |
| True Wealth Design, LLC | 21 | $737 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 10 | $351 | 0.00% | +10 | New |
| GAMMA Investing LLC | 10 | $351 | 0.00% | +10 | New |
| Kilter Group LLC | 9 | $316 | 0.00% | −1−10.0% | Reduced |
| Sunbelt Securities, Inc. | 8 | $281 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 8 | $281 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 3 | $105 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 2 | $70 | 0.00% | 00.0% | Unchanged |
| DuPont Capital Management Corp | 1 | $35 | 0.00% | 00.0% | Unchanged |
| Siren, L.L.C. | 0 | $0 | 0.00% | −765,705−100.0% | Sold out |
| Saturn V Capital Management LLC | 0 | $0 | 0.00% | −153,147−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −34,353−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −13,900−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −12,388−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,372−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −174−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −88−100.0% | Sold out |
| AXA Investment Managers S.A. | – | – | – | – | Not filed |
| Marshall Financial Group Inc | – | – | – | – | Not filed |