Who owns BIOA
144 institutions reported holding BIOA for 2026Q1, together 81% of the company, more than the 112 a quarter earlier.
144
Institutions reporting a position · as of 2026Q1 · up from 112 the quarter before
- Shares held by institutions
- 34.3M
Shares held by institutions · 81% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $599M
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 30%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 7
- New positions
- 45
- Positions exited
- 17
- Added to
- 46
- Reduced
- 26
- Top 10 holdersof the company
- 48%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 144 | 34.3M | $599M |
| 2025Q4 | 112 | 23.7M | $314M |
| 2025Q3 | 93 | 21.3M | $125M |
| 2025Q2 | 83 | 20.7M | $86M |
| 2025Q1 | 67 | 20.3M | $76M |
| 2024Q4 | 65 | 19.6M | $114M |
| 2024Q3 | 57 | 20.7M | $431M |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| a16z Capital Management, L.L.C. | 3.2M | 7.6% | $57M |
| Cormorant Asset Management, LP | 2.9M | 6.8% | $51M |
| Sofinnova Investments, Inc. | 2.3M | 5.4% | $40M |
| BlackRock Inc. | 2.3M | 5.3% | $40M |
| HENDERSON GROUP PLC | 2.1M | 4.9% | $37M |
| VANGUARD GROUP INC | 1.9M | 4.4% | $33M |
| Octagon Capital Advisors LP | 1.7M | 4.1% | $31M |
| RA CAPITAL MANAGEMENT, L.P. | 1.7M | 3.9% | $29M |
| Balyasny Asset Management L.P. | 1.3M | 3.1% | $23M |
| BRAIDWELL LP | 1.2M | 2.8% | $21M |
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…
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