BioCryst Pharmaceuticals
BCRX · NASDAQ
Who owns BCRX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 50.0% of BCRX’s shares.
- BlackRock Institutional Trust Company, N.A.7.6%
- RA Capital Management, LP6.2%
- State Street Investment Management (US)6.0%
- Deerfield Management Company, L.P.5.9%
- Next 6 largest institutions24.3%
- All other shareholders50.0%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 19.41M | 7.64% |
| RA Capital Management, LP | 15.83M | 6.23% |
| State Street Investment Management (US) | 15.19M | 5.98% |
| Deerfield Management Company, L.P. | 15.10M | 5.94% |
| Vanguard Capital Management, LLC | 11.36M | 4.47% |
| Vanguard Portfolio Management, LLC | 11.14M | 4.38% |
| TCG Crossover Management, LLC | 11.02M | 4.34% |
| Perceptive Advisors LLC | 10.31M | 4.06% |
| Janus Henderson Investors | 9.54M | 3.75% |
| Vestal Point Capital, LP | 8.30M | 3.27% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| State Street SPDR S&P Biotech ETF | 10.08M | 3.97% |
| Vanguard Total Stock Market Index Fund | 8.11M | 3.19% |
| iShares Russell 2000 ETF | 6.02M | 2.37% |
| Vanguard Small-Cap Index Fund | 2.93M | 1.15% |
| Vanguard Extended Market Index Fund | 2.84M | 1.12% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $696.53K (2 trades) of BCRX on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| McKee Amy E | Award | 644 | $6.25K |
| Milne Jill C. | Award | 1.29K | $12.49K |
| Frank Steven | Award | 1.29K | $12.49K |
| Stonehouse Jon P | Award | 644 | $6.25K |
| MILANO VINCENT | Award | 1.16K | $11.24K |
| McKee Amy E | Award | 33.54K | — |
| McKee Amy E | Award | 15.29K | — |
| HEGGIE THERESA | Award | 33.54K | — |
| HEGGIE THERESA | Award | 15.29K | — |
| SANDERS MACHELLE | Award | 33.54K | — |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Gil CisnerosHouse | Purchase | $1K–$15K | Nov 13, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 27.49M
- Days to cover
- 4.62
- % of shares outstanding
- 10.82%
- Average daily volume
- 5.96M
- Change since last report
- −21.1%
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