Companies / Biocryst Pharmaceuticals Inc
Biocryst Pharmaceuticals Inc
Financials · FY2017
Ownership
255.5M shares outstanding · as of Jul 31, 2026
Ownership
| Insiders | 0.81% | 2,070,595 |
| 10%+ / strategic | 5.94% | 15,191,098 |
| Institutions | 80.97% | 206,910,770 |
| Public float | 12.27% | 31,362,642 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 9
View all →| Insider | % of shares | Shares |
|---|---|---|
Stonehouse Jon PDirector | 0.52% | 1,339,775 |
Barnes Alane PChief Legal Officer | 0.16% | 400,703 |
Milano VincentDirector | 0.04% | 108,483 |
Levin Alan GDirector | 0.03% | 79,565 |
Heggie TheresaDirector | 0.03% | 65,352 |
McKee Amy EDirector | 0.02% | 42,432 |
Frank StevenDirector | <0.01% | 18,903 |
Milne Jill C.Director | <0.01% | 15,382 |
Dullinger RonaldChief Commercial Officer | — | — |
Institutional holders 285
View all →| Holder | Value | % of shares |
|---|---|---|
| $238.93M | 9.35% | |
| $173.73M | 8.72% | |
| $151.91M | 5.94% | |
| $150.67M | 6.19% | |
| $143.16M | 5.88% | |
| $84.85M | 3.49% | |
| $73.06M | 3.67% | |
| $70.77M | 2.91% | |
| $60.86M | 2.50% | |
| $55.06M | 2.26% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $41.18M | +4.1M +37.19% | 15,191,098 5.94% of shares | medium |
| Q1 2026 as of | Perceptive Advisors LLC 13F manager | Add | Common stock | $40.66M | +4.3M +135.07% | 7,434,033 2.91% of shares | medium |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $27.55M | +2.8M +13.03% | 23,893,036 9.35% of shares | medium |
| Q1 2026 as of | Baker Bros. Advisors LP 13F manager | Exit | Common stock | $-22.02M | -2.8M -100.00% | 0 | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $17.87M | +1.9M +41.58% | 6,392,628 2.50% of shares | medium |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Add | Common stock | $14.33M | +1.5M +20.31% | 8,908,506 3.49% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-12.87M | -1.4M -63.50% | 776,990 0.30% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-11.81M | -1.2M -48.78% | 1,302,257 0.51% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| State Street Corporation | Passive13G | — |
| Vanguard Group Inc | Passive13G/A | — |
| Deerfield Mgmt, L.P. | Passive13G/A | — |
| State Street Corporation | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| BCRX | — | 09058V103 |