BCYC — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| BAKER BROS. ADVISORS LP | $46,153,914 | 10,885,357 | 30.67% | Shares |
| FCPM III SERVICES B.V. | $14,706,143 | 3,468,430 | 9.77% | Shares |
| ARMISTICE CAPITAL, LLC | $14,407,520 | 3,398,000 | 9.57% | Shares |
| Long Focus Capital Management, LLC | $14,037,313 | 3,310,687 | 9.33% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $6,501,616 | 1,533,400 | 4.32% | Shares |
| GSK plc | $6,485,339 | 1,529,561 | 4.31% | Shares |
| MARSHALL WACE, LLP | $3,383,266 | 797,940 | 2.25% | Shares |
| Qube Research & Technologies Ltd | $3,288,404 | 775,567 | 2.19% | Shares |
| MORGAN STANLEY | $2,829,221 | 667,269 | 1.88% | Shares |
| SCHRODER INVESTMENT MANAGEMENT GROUP | $2,555,707 | 615,833 | 1.70% | Shares |
| CITADEL ADVISORS LLC | $2,349,914 | 554,225 | 1.56% | Shares |
| MILLENNIUM MANAGEMENT LLC | $2,348,820 | 553,967 | 1.56% | Shares |
| Peapod Lane Capital LLC | $2,281,027 | 537,978 | 1.52% | Shares |
| DIADEMA PARTNERS LP | $1,961,950 | 462,724 | 1.30% | Shares |
| TWO SIGMA INVESTMENTS, LP | $1,842,606 | 434,577 | 1.22% | Shares |
| JANE STREET GROUP, LLC | $1,662,771 | 392,163 | 1.10% | Shares |
| Aquilo Capital Management, LLC | $1,457,691 | 171,695 | 0.97% | Shares |
| Birchview Capital, LP | $1,329,732 | 313,616 | 0.88% | Shares |
| BlackRock, Inc. | $1,188,837 | 280,386 | 0.79% | Shares |
| MOORE CAPITAL MANAGEMENT, LP | $1,166,000 | 275,000 | 0.77% | Shares |
| Rangeley Capital, LLC | $1,074,840 | 253,500 | 0.71% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1,042,616 | 245,900 | 0.69% | Put option |
| TWO SIGMA ADVISERS, LP | $1,034,388 | 146,100 | 0.69% | Shares |
| Palo Alto Investors LP | $856,014 | 201,890 | 0.57% | Shares |
| Sculptor Capital LP | $839,113 | 197,904 | 0.56% | Shares |
| Eversept Partners, LP | $808,632 | 190,715 | 0.54% | Shares |
| PINNACLE ASSOCIATES LTD | $805,558 | 189,990 | 0.54% | Shares |
| Cubist Systematic Strategies, LLC | $800,393 | 103,410 | 0.53% | Shares |
| FLAX POND CAPITAL, LLC | $763,565 | 180,086 | 0.51% | Shares |
| Jump Financial, LLC | $708,504 | 167,100 | 0.47% | Shares |
| Point72 Asset Management, L.P. | $635,729 | 149,936 | 0.42% | Shares |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $542,139 | 127,863 | 0.36% | Shares |
| GOLDMAN SACHS GROUP INC | $514,231 | 121,281 | 0.34% | Shares |
| Persistent Asset Partners Ltd | $497,157 | 117,254 | 0.33% | Shares |
| XTX Topco Ltd | $465,556 | 109,801 | 0.31% | Shares |
| Quadrature Capital Ltd | $441,350 | 104,092 | 0.29% | Shares |
| TD Asset Management Inc | $390,046 | 91,992 | 0.26% | Shares |
| Virtus Investment Advisers, LLC | $342,545 | 80,789 | 0.23% | Shares |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | $339,200 | 80,000 | 0.23% | Shares |
| EntryPoint Capital, LLC | $329,630 | 77,743 | 0.22% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $315,880 | 74,500 | 0.21% | Call option |
| Marquette Asset Management, LLC | $308,901 | 72,854 | 0.21% | Shares |
| DAFNA Capital Management LLC | $273,446 | 64,492 | 0.18% | Shares |
| State of Tennessee, Department of Treasury | $259,289 | 61,153 | 0.17% | Shares |
| CITADEL ADVISORS LLC | $238,288 | 56,200 | 0.16% | Put option |
| SEI INVESTMENTS CO | $223,804 | 52,784 | 0.15% | Shares |
| ALPS ADVISORS INC | $216,757 | 51,122 | 0.14% | Shares |
| Verdad Advisers, LP | $216,664 | 51,100 | 0.14% | Shares |
| ADAR1 Capital Management, LLC | $214,705 | 50,638 | 0.14% | Shares |
| JANE STREET GROUP, LLC | $151,792 | 35,800 | 0.10% | Call option |
| SIMPLEX TRADING, LLC | $149,383 | 35,232 | 0.10% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $135,498 | 31,957 | 0.09% | Shares |
| Trexquant Investment LP | $131,627 | 31,044 | 0.09% | Shares |
| STATE STREET CORP | $130,715 | 30,829 | 0.09% | Shares |
| WOODSTOCK CORP | $123,579 | 29,146 | 0.08% | Shares |
| AXQ CAPITAL, LP | $116,040 | 27,368 | 0.08% | Shares |
| JANE STREET GROUP, LLC | $113,632 | 26,800 | 0.08% | Put option |
| D. E. Shaw & Co., Inc. | $107,938 | 25,457 | 0.07% | Shares |
| Invesco Ltd. | $105,160 | 24,802 | 0.07% | Shares |
| National Philanthropic Trust | $104,826 | 24,723 | 0.07% | Shares |
| Forefront Analytics, LLC | $92,525 | 21,822 | 0.06% | Shares |
| STIFEL FINANCIAL CORP | $86,829 | 20,479 | 0.06% | Shares |
| State of New Jersey Common Pension Fund D | $85,245 | 20,105 | 0.06% | Shares |
| Vontobel Holding Ltd. | $84,800 | 20,000 | 0.06% | Shares |
| Aigen Investment Management, LP | $81,913 | 19,319 | 0.05% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $80,708 | 19,035 | 0.05% | Shares |
| CITADEL ADVISORS LLC | $73,352 | 17,300 | 0.05% | Call option |
| RHUMBLINE ADVISERS | $67,690 | 15,967 | 0.04% | Shares |
| UBS Group AG | $65,546 | 15,459 | 0.04% | Shares |
| PORTLAND INVESTMENT COUNSEL INC. | $63,600 | 15,000 | 0.04% | Shares |
| Federation des caisses Desjardins du Quebec | $60,603 | 14,302 | 0.04% | Shares |
| Erste Asset Management GmbH | $58,100 | 14,000 | 0.04% | Shares |
| Cerity Partners LLC | $57,537 | 13,570 | 0.04% | Shares |
| Schonfeld Strategic Advisors LLC | $56,810 | 13,399 | 0.04% | Shares |
| Walleye Capital LLC | $55,120 | 13,000 | 0.04% | Shares |
| JPMORGAN CHASE & CO | $54,182 | 13,056 | 0.04% | Shares |
| HORIZON KINETICS ASSET MANAGEMENT LLC | $53,356 | 12,584 | 0.04% | Shares |
| Aquatic Capital Management LLC | $52,334 | 12,343 | 0.03% | Shares |
| Jain Global LLC | $50,880 | 12,000 | 0.03% | Shares |
| Crossmark Global Holdings, Inc. | $48,344 | 11,402 | 0.03% | Shares |
| Pinnacle Wealth Management Advisory Group, LLC | $46,576 | 10,985 | 0.03% | Shares |
| State of Wyoming | $45,622 | 10,760 | 0.03% | Shares |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $42,892 | 10,116 | 0.03% | Shares |
| GAMMA Investing LLC | $32,665 | 7,704 | 0.02% | Shares |
| Walleye Capital LLC | $32,648 | 7,700 | 0.02% | Call option |
| China Universal Asset Management Co., Ltd. | $31,461 | 7,420 | 0.02% | Shares |
| NATIXIS | $19,997 | 4,645 | 0.01% | Shares |
| Tower Research Capital LLC (TRC) | $15,557 | 3,669 | 0.01% | Shares |
| BARCLAYS PLC | $13,352 | 3,149 | 0.01% | Shares |
| ROYAL BANK OF CANADA | $11,000 | 2,500 | 0.01% | Shares |
| Mirae Asset Global Investments Co., Ltd. | $8,840 | 2,085 | 0.01% | Shares |
| ACADIAN ASSET MANAGEMENT LLC | $8,319 | 1,968,025 | 0.01% | Shares |
| GROUP ONE TRADING LLC | $8,217 | 1,938 | 0.01% | Shares |
| ASSETMARK, INC | $6,733 | 1,588 | 0.00% | Shares |
| CITIGROUP INC | $4,982 | 1,175 | 0.00% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $4,308 | 1,016 | 0.00% | Shares |
| GF FUND MANAGEMENT CO. LTD. | $4,079 | 962 | 0.00% | Shares |
| PRICE T ROWE ASSOCIATES INC /MD/ | $3,826 | 902,150 | 0.00% | Shares |
| JONES FINANCIAL COMPANIES LLLP | $2,870 | 700 | 0.00% | Shares |
| Quarry LP | $2,277 | 537 | 0.00% | Shares |
| HighMark Wealth Management LLC | $1,844 | 435 | 0.00% | Shares |
| Arax Advisory Partners | $1,289 | 304 | 0.00% | Shares |
| Walleye Capital LLC | $848 | 200 | 0.00% | Put option |
| WELLS FARGO & COMPANY/MN | $848 | 200 | 0.00% | Shares |
| Winch Advisory Services, LLC | $729 | 172 | 0.00% | Shares |
| EverSource Wealth Advisors, LLC | $623 | 147 | 0.00% | Shares |
| Caitong International Asset Management Co., Ltd | $496 | 117 | 0.00% | Shares |
| HRT FINANCIAL LP | $280 | 66,237 | 0.00% | Shares |
| GSA CAPITAL PARTNERS LLP | $131 | 30,785 | 0.00% | Shares |
| FNY Investment Advisers, LLC | $111 | 26,250 | 0.00% | Shares |
| OSAIC HOLDINGS, INC. | $42 | 10 | 0.00% | Shares |
| FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. | $38 | 9 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $25 | 6 | 0.00% | Shares |
| Caitlin John, LLC | $8 | 2 | 0.00% | Shares |