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 |
|---|---|---|---|---|---|
| DuPont Capital Management Corp | 1 | $35 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 2 | $70 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 3 | $105 | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 8 | $281 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 8 | $281 | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 9 | $316 | 0.00% | −1−10.0% | Reduced |
| Advisor Group Holdings, Inc. | 10 | $351 | 0.00% | +10 | New |
| GAMMA Investing LLC | 10 | $351 | 0.00% | +10 | New |
| True Wealth Design, LLC | 21 | $737 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 23 | $807 | 0.00% | +23 | New |
| Rachor Investment Advisory Services, LLC | 28 | $983 | 0.00% | +28 | New |
| ORG Partners LLC | 60 | $2.10K | 0.00% | +60 | New |
| SJS Investment Consulting Inc. | 85 | $2.98K | 0.00% | +85 | New |
| Basecamp Wealth Advisors LLC | 99 | $3.47K | 0.00% | +99 | New |
| Eastern Bank | 187 | $6.56K | 0.00% | +187 | New |
| Jones Financial Companies LLLP | 199 | $6.98K | 0.00% | −50−20.1% | Reduced |
| Greenline Wealth Management LLC | 233 | $8.16K | 0.01% | +233 | New |
| Global Retirement Partners, LLC | 270 | $9.47K | 0.00% | +270 | New |
| 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 |
| Daiwa Securities Group Inc. | 335 | $12.0K | 0.00% | −40−10.7% | Reduced |
| Roxbury Financial LLC | 443 | $15.5K | 0.01% | +119+36.7% | Added |
| State of Wyoming | 601 | $21.1K | 0.00% | +21+3.6% | Added |
| Signaturefd, LLC | 647 | $22.7K | 0.00% | 00.0% | Unchanged |
| Cheviot Value Management, LLC | 796 | $25.4K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 724 | $25.4K | 0.00% | +708+4,425.0% | Added |
| Wells Fargo & Company | 900 | $31.6K | 0.00% | +300+50.0% | Added |
| Tower Research Capital LLC (TRC) | 943 | $33.1K | 0.00% | −2,029−68.3% | Reduced |
| CWM, LLC | 981 | $34.0K | 0.00% | +2+0.2% | Added |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 1,067 | $37.4K | 0.01% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,313 | $46.1K | 0.00% | +216+19.7% | Added |
| Navalign, LLC | 1,315 | $46.1K | 0.01% | +1,315 | New |
| Parallel Advisors, LLC | 1,400 | $49.1K | 0.00% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 2,012 | $70.6K | 0.00% | −417−17.2% | Reduced |
| National Bank of Canada | 2,017 | $70.8K | 0.00% | +68+3.5% | Added |
| GF Fund Management Co. Ltd. | 2,228 | $78.2K | 0.00% | −195−8.0% | Reduced |
| NBC Securities, Inc. | 2,457 | $86.2K | 0.01% | +2,457 | New |
| Quarry LP | 3,000 | $105.2K | 0.02% | −3,875−56.4% | Reduced |
| US Bancorp | 3,419 | $119.9K | 0.00% | +3,284+2,432.6% | Added |
| The PNC Financial Services Group, Inc. | 3,682 | $129.2K | 0.00% | +66+1.8% | Added |
| Quantbot Technologies LP | 3,692 | $129.5K | 0.00% | +3,692 | New |
| Citigroup Inc | 3,698 | $129.7K | 0.00% | −1,404−27.5% | Reduced |
| Persistent Asset Partners Ltd | 3,948 | $138.5K | 0.07% | +3,948 | New |
| Seven Fleet Capital Management LP | 4,000 | $140.3K | 0.09% | +4,000 | New |
| Mirae Asset Global Investments Co., Ltd. | 5,510 | $193.3K | 0.00% | +1,156+26.6% | Added |
| Barclays PLC | 5,652 | $198.3K | 0.00% | −66−1.2% | Reduced |
| Simon Quick Advisors, LLC | 5,763 | $202.2K | 0.01% | +5,763 | New |
| Invesco Ltd. | 5,961 | $209.1K | 0.00% | −98,715−94.3% | Reduced |
| Guggenheim Capital LLC | 6,388 | $224.1K | 0.00% | +6,388 | New |
| Brinker Capital Investments, LLC | 6,545 | $229.6K | 0.00% | +6,545 | New |
| Avanza Fonder AB | 6,566 | $230.3K | 0.01% | −939−12.5% | Reduced |
| Allianz Asset Management GmbH | 6,600 | $231.5K | 0.00% | +6,600 | New |
| Teacher Retirement System of Texas | 6,687 | $234.6K | 0.00% | −4,096−38.0% | Reduced |
| Virtus Investment Advisers, Inc. | 7,142 | $250.5K | 0.07% | +1,731+32.0% | Added |
| Virginia Retirement Systems Et Al | 7,200 | $252.6K | 0.00% | +7,200 | New |
| CIBC Private Wealth Group, LLC | 7,240 | $254.0K | 0.00% | −400−5.2% | Reduced |
| Mesirow Financial Investment Management, Inc. | 8,215 | $288.2K | 0.01% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 9,100 | $319.2K | 0.00% | 00.0% | Unchanged |
| Jaffetilchin Investment Partners, LLC | 9,218 | $323.4K | 0.02% | +9,218 | New |
| Caption Management, LLC | 9,528 | $334.2K | 0.01% | +9,528 | New |
| Fox Run Management, L.L.C. | 9,798 | $343.7K | 0.05% | +9,798 | New |
| AQR Capital Management LLC | 10,282 | $360.7K | 0.00% | +86+0.8% | Added |
| Polen Capital Management LLC | 11,239 | $394.3K | 0.00% | +11,239 | New |
| Letko, Brosseau & Associates Inc | 11,775 | $413.1K | 0.01% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 12,000 | $421.0K | 0.00% | 00.0% | Unchanged |
| CenterBook Partners LP | 12,060 | $423.1K | 0.02% | −58,553−82.9% | Reduced |
| PTM Wealth Management, LLC | 12,900 | $431.9K | 0.24% | 00.0% | Unchanged |
| Arizona State Retirement System | 12,733 | $446.7K | 0.00% | −518−3.9% | Reduced |
| Keybank National Association | 13,099 | $459.5K | 0.00% | −2,915−18.2% | Reduced |
| TD Asset Management Inc | 13,180 | $462.4K | 0.00% | −4,820−26.8% | Reduced |
| AlphaCentric Advisors LLC | 13,731 | $481.7K | 0.48% | +13,731 | New |
| SBI Okasan Asset Management Co.Ltd. | 14,900 | $521.8K | 0.03% | +14,900 | New |
| PSP Research LLC | 14,920 | $523.4K | 0.46% | +14,920 | New |
| State of New Jersey Common Pension Fund D | 15,377 | $539.4K | 0.00% | +15,377 | New |
| Creative Planning | 15,637 | $548.5K | 0.00% | +15,637 | New |
| Envestnet Asset Management Inc | 17,572 | $616.4K | 0.00% | +17,572 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 18,570 | $651.4K | 0.00% | −7,366−28.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,804 | $694.7K | 0.00% | +12,400+167.5% | Added |
| State of Wisconsin Investment Board | 19,997 | $701.5K | 0.00% | +19,997 | New |
| DnB Asset Management AS | 20,119 | $705.8K | 0.00% | +20,119 | New |
| Holocene Advisors, LP | 20,459 | $717.7K | 0.00% | +20,459 | New |
| PEAK6 LLC | 20,749 | $727.9K | 0.02% | +20,749 | New |
| Glenmede Trust Co NA | 22,215 | $779.3K | 0.00% | +22,215 | New |
| Manufacturers Life Insurance Company, The | 22,698 | $792.1K | 0.00% | +193+0.9% | Added |
| Yarbrough Capital, LLC | 23,960 | $840.5K | 0.03% | 00.0% | Unchanged |
| Royal Bank of Canada | 24,084 | $846.0K | 0.00% | −2,418−9.1% | Reduced |
| BNP Paribas Arbitrage, SA | 25,134 | $881.7K | 0.00% | −2,194−8.0% | Reduced |
| China Universal Asset Management Co., Ltd. | 26,477 | $928.8K | 0.07% | +6,735+34.1% | Added |
| New York State Common Retirement Fund | 26,680 | $935.9K | 0.00% | 00.0% | Unchanged |
| Twinbeech Capital LP | 27,400 | $961.2K | 0.07% | +27,400 | New |
| Winton Group Ltd | 28,665 | $1.01M | 0.03% | +28,665 | New |
| Voya Investment Management LLC | 28,875 | $1.01M | 0.00% | +9,575+49.6% | Added |
| Ishara Investments LP | 30,000 | $1.05M | 1.22% | +30,000 | New |
| Squarepoint Ops LLC | 30,819 | $1.08M | 0.00% | +9,860+47.0% | Added |
| Northern Trust Corp | 32,137 | $1.13M | 0.00% | −1,162−3.5% | Reduced |
| Verition Fund Management LLC | 32,391 | $1.14M | 0.01% | +18,563+134.2% | Added |
| Knights of Columbus Asset Advisors LLC | 32,483 | $1.14M | 0.06% | −1,127−3.4% | Reduced |
| Boothbay Fund Management, LLC | 33,919 | $1.19M | 0.03% | −6,795−16.7% | Reduced |
| HighVista Strategies LLC | 35,586 | $1.25M | 0.32% | +3,755+11.8% | Added |
| Bellevue Group AG | 36,336 | $1.27M | 0.02% | +21,725+148.7% | Added |