Who owns NAMS
167 institutions reported holding NAMS for 2026Q1, together 101% of the company, fewer than the 182 a quarter earlier.
167
Institutions reporting a position · as of 2026Q1 · down from 182 the quarter before
- Shares held by institutions
- 122.6M
Shares held by institutions · 101% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $3.93B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 46%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 14
- New positions
- 20
- Positions exited
- 39
- Added to
- 64
- Reduced
- 46
- Top 10 holdersof the company
- 65%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 167 | 122.6M | $3.93B |
| 2025Q4 | 182 | 118.3M | $4.15B |
| 2025Q3 | 135 | 120.6M | $3.42B |
| 2025Q2 | 129 | 116.2M | $2.11B |
| 2025Q1 | 124 | 111.1M | $2.28B |
| 2024Q4 | 129 | 98.6M | $2.53B |
| 2024Q3 | 100 | 77.1M | $1.28B |
| 2024Q2 | 90 | 72.0M | $1.38B |
| 2024Q1 | 76 | 72.2M | $1.71B |
| 2023Q4 | 32 | 61.9M | $691M |
| 2023Q3 | 35 | 50.2M | $464M |
| 2023Q2 | 29 | 48.8M | $581M |
| 2023Q1 | 19 | 33.3M | $445M |
| 2022Q4 | 14 | 33.5M | $362M |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| Frazier Life Sciences Management, L.P. | 16.9M | 14% | $542M |
| Capital World Investors | 11.1M | 9.1% | $356M |
| RA CAPITAL MANAGEMENT, L.P. | 9.6M | 7.8% | $306M |
| FCPM III SERVICES B.V. | 9.2M | 7.6% | $294M |
| FMR LLC | 8.8M | 7.2% | $281M |
| Bain Capital Life Sciences Investors, LLC | 7.3M | 6.0% | $234M |
| WELLINGTON MANAGEMENT GROUP LLP | 5.1M | 4.2% | $164M |
| DEERFIELD MANAGEMENT CO /NY | 4.3M | 3.5% | $137M |
| VIKING GLOBAL INVESTORS LP | 4.2M | 3.5% | $135M |
| Duquesne Family Office LLC | 3.1M | 2.5% | $98M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…