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, Q2 2026
Institutional positions in NewAmsterdam Pharma Co N.V. as of Jun 30, 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
- 194
- +26 vs. Q1 2026
- Shares held
- 122.0M
- +599.2K (+0.5%) vs. Q1 2026
- Total value
- $4.13B
- +$242.3M (+6.2%) vs. Q1 2026
- New holders
- 46
- 71 more added
- Sold out
- 20
- 50 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CenterBook Partners LP | 0 | $0 | 0.00% | −22,254−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −21,570−100.0% | Sold out |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −19,630−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −19,507−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −17,800−100.0% | Sold out |
| Altfest L J & Co Inc | 0 | $0 | 0.00% | −13,934−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −532−100.0% | Sold out |
| Eastern Bank | 0 | $0 | 0.00% | −187−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |