BIOCRYST PHARMACEUTICALS INC BCRX
COM · Common Stock · CUSIP 09058V103
American pharmaceutical company
- SectorHealth care
- IndustryBiological Products, (No Diagnostic Substances)
- HeadquartersDurham, NC
- Founded1986
- Websitebiocryst.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($419.1k this quarter). Holder counts are more reliable. Shares outstanding: 206.9m as of 2024-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $6.18. Options: 10 managers hold calls ($8.8m notional), 10 hold puts ($9.0m).
Trends to Q2 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 234 |
| Q4 2022 | 230 |
| Q1 2023 | 243 |
| Q2 2023 | 237 |
| Q3 2023 | 234 |
| Q4 2023 | 235 |
| Q1 2024 | 238 |
| Q2 2024 | 243 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 124 | 97 |
| Q1 2023 | 132 | 92 |
| Q2 2023 | 124 | 88 |
| Q3 2023 | 121 | 80 |
| Q4 2023 | 109 | 102 |
| Q1 2024 | 114 | 98 |
| Q2 2024 | 123 | 105 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2023 | $22.4m | $5.8m | 0.26 |
| Q4 2023 | $22.1m | $9.1m | 0.41 |
| Q1 2024 | $7.8m | $9.3m | 1.19 |
| Q2 2024 | $8.8m | $9.0m | 1.03 |
Biggest buyers
| Caligan Partners LP | Added | +3.8m |
| DEERFIELD MANAGEMENT COMPANY, L.P. | Added | +3.1m |
| ALKEON CAPITAL MANAGEMENT LLC | Added | +3.0m |
| Kynam Capital Management, LP | Added | +2.3m |
| Nuveen Asset Management, LLC | Added | +1.9m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +1.8m |
| BOOTHBAY FUND MANAGEMENT, LLC | Added | +1.7m |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Added | +1.6m |
| BlackRock Inc. | Added | +1.5m |
| VANGUARD GROUP INC | Added | +1.1m |
Biggest sellers
| BAKER BROS. ADVISORS LP | Reduced | -10.1m |
| STATE STREET CORP | Reduced | -8.1m |
| MORGAN STANLEY | Reduced | -4.4m |
| BRAIDWELL LP | Sold out | -3.4m |
| Cutter Capital Management, LP | Reduced | -2.2m |
| CITIGROUP INC | Reduced | -2.2m |
| Point72 Asset Management, L.P. | Sold out | -1.6m |
| Rafferty Asset Management, LLC | Reduced | -1.1m |
| Prosight Management, LP | Reduced | -1.0m |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -840.6k |
Biggest calls
| GROUP ONE TRADING LLC | Added | $4.8m780.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $925.0k149.7k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $622.3k100.7k shares |
| CITADEL ADVISORS LLC | Added | $589.6k95.4k shares |
| JANE STREET GROUP, LLC | Added | $559.9k90.6k shares |
| GTS SECURITIES LLC | Reduced | $447.4k72.4k shares |
| Caption Management, LLC | Added | $445.6k72.1k shares |
| WOLVERINE TRADING, LLC | Added | $286.1k46.3k shares |
| BARCLAYS PLC | New | $61.8k10.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| JANE STREET GROUP, LLC | Reduced | $5.6m912.0k shares |
| CITADEL ADVISORS LLC | Reduced | $1.3m212.1k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $665.0k107.6k shares |
| Caption Management, LLC | Added | $445.6k72.1k shares |
| GROUP ONE TRADING LLC | Added | $368.3k59.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $297.0k48.1k shares |
| WOLVERINE TRADING, LLC | Added | $185.4k30.0k shares |
| GTS SECURITIES LLC | Reduced | $85.3k13.8k shares |
| UBS Group AG | New | $49.4k8.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-17 | 8.4% |
| Flynn James E 13G · passive investor +1.0 pts · filed 2026-02-12 | 6.8% |
| RA CAPITAL MANAGEMENT, L.P. 13G · passive investor -1.1 pts · filed 2026-08-14 | 6.2% |
| STATE STREET CORP 13G · institution +1.1 pts · filed 2026-08-07 | 6.0% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 7 | $4.8m | — |
| Q1 2023 | 0 | — | 1 | $1.0m | — |
| Q2 2023 | 0 | — | 3 | $193.4k | $58.0k |
| Q3 2023 | 0 | — | 0 | — | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 10 | $1.0m | 3 | $123.4k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-06-24 | McKee Amy E Director | Sold | $54.4k8.6k shares |
| 2024-06-17 | SANDERS MACHELLE Director | Sold | $28.1k4.7k shares |
| 2024-06-14 | HEGGIE THERESA Director | Sold | $40.9k6.7k shares |
| 2024-05-30 | LEVIN ALAN G Director | Bought | $50.0k7.9k shares |
| 2024-05-24 | ASELAGE STEVE Director · By Trust | Bought | $16.0k2.5k shares |
| 2024-05-20 | MILANO VINCENT Director | Bought | $93.8k15.0k shares |
| 2024-05-20 | Hutson Nancy J Director | Bought | $31.9k5.0k shares |
| 2024-05-14 | Doyle Anthony Chief Financial Officer | Bought | $202.2k36.3k shares |
| 2024-05-14 | Thackray Helen M. Chief R&D Officer | Bought | $175.8k30.0k shares |
| 2024-05-13 | Stonehouse Jon P President & CEO, director | Bought | $166.5k30.0k shares |
| 2024-05-13 | Gayer Charles K Chief Commercial Officer | Bought | $164.1k30.0k shares |
| 2024-05-13 | Galson Steven K Director | Bought | $120.5k21.9k shares |
| 2024-05-13 | Barnes Alane P Chief Legal Officer | Bought | $27.6k5.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2024
| Manager | Shares | Change |
|---|---|---|
| BlackRock Inc. 0.00% of their portfolio | 20.0m $123.3m | Added +1.5m |
| VANGUARD GROUP INC 0.00% of their portfolio | 18.8m $116.0m | Added +1.1m |
| Avoro Capital Advisors LLC 1.03% of their portfolio | 12.6m $77.7m | Reduced -480.0k |
| STATE STREET CORP 0.00% of their portfolio | 9.3m $57.8m | Reduced -8.1m |
| Kynam Capital Management, LP 5.71% of their portfolio | 8.8m $54.5m | Added +2.3m |
| DEERFIELD MANAGEMENT COMPANY, L.P. 0.84% of their portfolio | 8.1m $50.3m | Added +3.1m |
| ALKEON CAPITAL MANAGEMENT LLC 0.22% of their portfolio | 7.1m $43.9m | Added +3.0m |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 4.7m $29.1m | Added +310.0k |
| Caligan Partners LP 6.64% of their portfolio | 4.6m $28.4m | Added +3.8m |
| Nuveen Asset Management, LLC 0.01% of their portfolio | 4.5m $27.8m | Added +1.9m |
| RP Management, LLC 13.29% of their portfolio | 3.8m $23.8m | Unchanged |
| Rock Springs Capital Management LP 0.67% of their portfolio | 3.6m $22.4m | Added +123.0k |
| GW&K Investment Management, LLC 0.19% of their portfolio | 3.4m $21.0m | Reduced -49.2k |
| Fisher Asset Management, LLC 0.01% of their portfolio | 2.9m $17.7m | Reduced -27.9k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.06% of their portfolio | 2.6m $16.0m | Added +1.6m |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 2.5m $15.6m | Added +604.9k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.41% of their portfolio | 2.1m $13.2m | Added +1.7m |
| RICE HALL JAMES & ASSOCIATES, LLC 0.77% of their portfolio | 2.1m $12.9m | Reduced -71.9k |
| Cutter Capital Management, LP 3.72% of their portfolio | 2.0m $12.2m | Reduced -2.2m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 1.9m $12.0m | Added +1.8m |
| FMR LLC 0.00% of their portfolio | 1.9m $12.0m | Added +107.2k |
| TWO SIGMA ADVISERS, LP 0.03% of their portfolio | 1.9m $11.9m | Reduced -553.9k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 1.9m $11.5m | Reduced -469.6k |
| STIFEL FINANCIAL CORP 0.01% of their portfolio | 1.8m $11.4m | Reduced -284 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 1.8m $11.0m | Added +53.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.8m $10.8m | Reduced -50.4k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 1.8m $10.8m | Reduced -78.6k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 1.7m $10.3m | Added +99.8k |
| MORGAN STANLEY 0.00% of their portfolio | 1.6m $9.8m | Reduced -4.4m |
| SEGALL BRYANT & HAMILL, LLC 0.17% of their portfolio | 1.5m $9.4m | Reduced -223.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.5m $9.2m | Added +956.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.3m $8.0m | Reduced -65.8k |
| Eversept Partners, LP 0.55% of their portfolio | 1.2m $7.1m | Reduced -279.9k |
| Cubist Systematic Strategies, LLC 0.12% of their portfolio | 1.1m $6.9m | Added +935.1k |
| Sarissa Capital Management LP 1.14% of their portfolio | 1.1m $6.8m | Unchanged |
| Trexquant Investment LP 0.10% of their portfolio | 1.0m $6.4m | Added +920.2k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 960.2k $5.9m | Reduced -630.2k |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 846.8k $5.2m | Reduced -152.5k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 839.5k $5.2m | Reduced -277.2k |
| TANG CAPITAL MANAGEMENT LLC 0.50% of their portfolio | 800.0k $4.9m | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. 0.02% of their portfolio | 782.7k $4.8m | Added +63.2k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 776.0k $4.8m | Added +86.2k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.02% of their portfolio | 739.6k $4.6m | Added +583.5k |
| DAFNA Capital Management LLC 1.04% of their portfolio | 704.5k $4.4m | Reduced -5.0k |
| AlphaCentric Advisors LLC 3.07% of their portfolio | 675.0k $4.2m | Unchanged |
| NORGES BANK 0.00% of their portfolio | 651.6k $4.0m | Reduced -354.4k |
| PANAGORA ASSET MANAGEMENT INC 0.02% of their portfolio | 650.3k $4.0m | Added +17.8k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 543.2k $3.4m | Added +85.9k |
| ORACLE INVESTMENT MANAGEMENT INC 3.55% of their portfolio | 535.6k $3.3m | Unchanged |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 465.7k $2.9m | Reduced -1.1m |
| Schonfeld Strategic Advisors LLC 0.02% of their portfolio | 452.6k $2.8m | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 432.9k $2.7m | Added +185.9k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 432.0k $2.7m | Reduced -316.8k |
| Parkman Healthcare Partners LLC 0.34% of their portfolio | 400.4k $2.5m | New |
| Prosight Management, LP 0.74% of their portfolio | 398.7k $2.5m | Reduced -1.0m |
| UBS Group AG 0.00% of their portfolio | 391.5k $2.4m | Reduced -605.1k |
| PDT Partners, LLC 0.21% of their portfolio | 366.8k $2.3m | Reduced -13.8k |
| Swiss National Bank 0.00% of their portfolio | 364.0k $2.2m | Unchanged |
| GSA CAPITAL PARTNERS LLP 0.16% of their portfolio | 363.8k $2.2m | New |
| ALGERT GLOBAL LLC 0.07% of their portfolio | 353.1k $2.2m | Added +55.3k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 350.8k $2.2m | Added +316.9k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 318.7k $2.0m | Added +18.9k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 318.0k $2.0m | Added +157.9k |
| Knott David M Jr 0.77% of their portfolio | 314.3k $1.9m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 276.4k $1.7m | Reduced -840.6k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 275.8k $1.7m | Added +39.6k |
| Point72 Europe (London) LLP 0.14% of their portfolio | 267.6k $1.7m | New |
| Legal & General Group Plc 0.00% of their portfolio | 266.3k $1.6m | Reduced -10.4k |
| CAPITAL FUND MANAGEMENT S.A. 0.02% of their portfolio | 247.5k $1.5m | Added +36.0k |
| TD Asset Management Inc 0.00% of their portfolio | 240.6k $1.5m | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 233.5k $1.4m | Added +96.7k |
| BARCLAYS PLC 0.00% of their portfolio | 226.6k $1.4m | Reduced -49.7k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 212.6k $1.3m | Added +113.2k |
| Walleye Capital LLC 0.01% of their portfolio | 208.8k $1.3m | Added +145.1k |
| Jump Financial, LLC 0.02% of their portfolio | 200.2k $1.2m | New |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 182.9k $1.1m | Reduced -1.9k |
| Hudson Bay Capital Management LP 0.01% of their portfolio | 180.0k $1.1m | Reduced -120.0k |
| SEVEN EIGHT CAPITAL, LP 0.11% of their portfolio | 169.6k $1.0m | Added +158.4k |
| Capula Management Ltd 0.01% of their portfolio | 161.3k $996.8k | Not comparable |
| ALPS ADVISORS INC 0.01% of their portfolio | 161.0k $995.0k | Added +15.6k |
| XTX Topco Ltd 0.08% of their portfolio | 156.9k $969.9k | Added +117.6k |
| Bison Wealth, LLC 0.13% of their portfolio | 152.0k $772.2k | Unchanged |
| Laurion Capital Management LP 0.03% of their portfolio | 148.7k $918.7k | Added +26.2k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 148.5k $917.7k | Added +133.6k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 143.9k $889.0k | Reduced -1.4k |
| Verition Fund Management LLC 0.01% of their portfolio | 142.4k $879.8k | New |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 125.0k $759.4k | Added +30.8k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 119.8k $740.1k | Added +30.8k |
| CITIGROUP INC 0.00% of their portfolio | 116.9k $722.7k | Reduced -2.2m |
| Skandinaviska Enskilda Banken AB (publ) 0.00% of their portfolio | 114.1k $704.9k | Unchanged |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 113.8k $703.3k | Unchanged |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 113.5k $700.4k | First filing |
| Corebridge Financial, Inc. 0.00% of their portfolio | 111.2k $687.0k | First filing |
| TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio | 103.0k $636.6k | New |
| Invesco Ltd. 0.00% of their portfolio | 101.9k $629.9k | Added +2.5k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 97.6k $603.0k | Added +8.0k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 95.0k $586.8k | Added +18.0k |
| Brevan Howard Capital Management LP 0.04% of their portfolio | 94.5k $583.8k | Added +82.0k |
| Y-Intercept (Hong Kong) Ltd 0.03% of their portfolio | 89.4k $552.2k | New |
| Ensign Peak Advisors, Inc 0.00% of their portfolio | 88.4k $546.3k | Unchanged |