MLYS — 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 |
|---|---|---|---|---|
| Catalys Pacific, LLC | $213,245,549 | 7,903,838 | 7.51% | Shares |
| RA CAPITAL MANAGEMENT, L.P. | $207,550,395 | 7,692,750 | 7.31% | Shares |
| BlackRock, Inc. | $158,832,288 | 5,887,038 | 5.59% | Shares |
| SAMSARA BIOCAPITAL, LLC | $158,400,066 | 5,871,018 | 5.58% | Shares |
| FMR LLC | $121,725,382 | 4,511,689 | 4.29% | Shares |
| VANGUARD GROUP INC | $121,676,015 | 3,352,880 | 4.28% | Shares |
| STATE STREET CORP | $111,741,339 | 4,141,636 | 3.93% | Shares |
| DEERFIELD MANAGEMENT COMPANY, L.P. | $106,786,840 | 3,958,000 | 3.76% | Shares |
| VANGUARD CAPITAL MANAGEMENT LLC | $74,377,655 | 2,756,770 | 2.62% | Shares |
| Laurion Capital Management LP | $67,615,981 | 2,506,152 | 2.38% | Shares |
| ORBIMED ADVISORS LLC | $56,935,894 | 2,110,300 | 2.00% | Shares |
| Capital World Investors | $53,895,437 | 1,997,607 | 1.90% | Shares |
| ARMISTICE CAPITAL, LLC | $46,837,280 | 1,736,000 | 1.65% | Shares |
| Troluce Capital Advisors LLC | $46,641,756 | 1,728,753 | 1.64% | Shares |
| FRANKLIN RESOURCES INC | $44,126,329 | 1,635,520 | 1.55% | Shares |
| ANDERA PARTNERS | $42,949,921 | 1,591,917 | 1.51% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $42,753,193 | 1,584,326 | 1.51% | Shares |
| SR One Capital Management, LP | $42,195,803 | 1,563,966 | 1.49% | Shares |
| BANK OF AMERICA CORP /DE/ | $40,619,658 | 1,505,547 | 1.43% | Shares |
| SPHERA FUNDS MANAGEMENT LTD. | $39,659,818 | 1,469,971 | 1.40% | Shares |
| GOLDMAN SACHS GROUP INC | $39,355,079 | 1,458,676 | 1.39% | Shares |
| Pictet Asset Management Holding SA | $38,598,910 | 1,430,649 | 1.36% | Shares |
| Polar Capital Holdings Plc | $38,334,641 | 1,420,854 | 1.35% | Shares |
| MILLENNIUM MANAGEMENT LLC | $32,963,031 | 1,221,758 | 1.16% | Shares |
| Ghisallo Capital Management LLC | $30,352,500 | 1,125,000 | 1.07% | Shares |
| Invesco Ltd. | $29,440,036 | 1,091,180 | 1.04% | Shares |
| ALLIANCEBERNSTEIN L.P. | $28,919,686 | 1,067,541 | 1.02% | Shares |
| Logos Global Management LP | $28,329,000 | 1,050,000 | 1.00% | Shares |
| ARMISTICE CAPITAL, LLC | $28,059,200 | 1,040,000 | 0.99% | Call option |
| AMERICAN CENTURY COMPANIES INC | $27,972,049 | 1,036,767 | 0.99% | Shares |
| MORGAN STANLEY | $24,746,440 | 917,213 | 0.87% | Shares |
| Davern Capital Partners, LP | $23,169,156 | 858,753 | 0.82% | Shares |
| Candriam S.C.A. | $23,100,611 | 857,037 | 0.81% | Shares |
| Caption Management, LLC | $22,976,168 | 851,600 | 0.81% | Put option |
| Nantahala Capital Management, LLC | $22,136,577 | 820,481 | 0.78% | Shares |
| WELLINGTON MANAGEMENT GROUP LLP | $21,765,199 | 806,716 | 0.77% | Shares |
| Affinity Asset Advisors, LLC | $20,235,000 | 750,000 | 0.71% | Shares |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $20,171,786 | 747,657 | 0.71% | Shares |
| TUDOR INVESTMENT CORP ET AL | $19,921,223 | 738,370 | 0.70% | Shares |
| Aberdeen Group plc | $18,595,560 | 689,235 | 0.65% | Shares |
| ALGERT GLOBAL LLC | $17,510,748 | 649,027 | 0.62% | Shares |
| Catalio Capital Management, LP | $17,502,520 | 648,722 | 0.62% | Shares |
| Pale Fire Capital SE | $16,573,382 | 614,284 | 0.58% | Shares |
| STEMPOINT CAPITAL LP | $16,260,468 | 602,686 | 0.57% | Shares |
| NORTHERN TRUST CORP | $14,879,227 | 551,491 | 0.52% | Shares |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $14,062,408 | 521,216 | 0.50% | Shares |
| Rock Springs Capital Management LP | $13,083,978 | 484,951 | 0.46% | Shares |
| TWO SIGMA ADVISERS, LP | $12,835,773 | 353,700 | 0.45% | Shares |
| CITADEL ADVISORS LLC | $12,615,794 | 467,598 | 0.44% | Shares |
| DIMENSIONAL FUND ADVISORS LP | $12,501,914 | 463,387 | 0.44% | Shares |
| VANGUARD FIDUCIARY TRUST CO | $12,150,983 | 450,370 | 0.43% | Shares |
| Integral Health Asset Management, LLC | $12,141,000 | 450,000 | 0.43% | Shares |
| Prosight Management, LP | $12,135,469 | 449,795 | 0.43% | Shares |
| Rhenman & Partners Asset Management AB | $11,233,690 | 416,371 | 0.40% | Shares |
| Caption Management, LLC | $11,145,087 | 413,087 | 0.39% | Shares |
| JENNISON ASSOCIATES LLC | $10,326,514 | 382,747 | 0.36% | Shares |
| Parkman Healthcare Partners LLC | $10,261,951 | 380,354 | 0.36% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $10,206,534 | 378,300 | 0.36% | Shares |
| CenterBook Partners LP | $9,864,697 | 365,630 | 0.35% | Shares |
| UBS Group AG | $9,755,860 | 361,596 | 0.34% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $9,593,279 | 355,570 | 0.34% | Shares |
| D. E. Shaw & Co., Inc. | $9,516,628 | 352,729 | 0.34% | Shares |
| Iron Triangle Partners LP | $9,329,615 | 257,085 | 0.33% | Shares |
| TimesSquare Capital Management, LLC | $9,178,038 | 338,798 | 0.32% | Shares |
| Eversept Partners, LP | $8,355,409 | 309,689 | 0.29% | Shares |
| SCHRODER INVESTMENT MANAGEMENT GROUP | $8,257,912 | 307,214 | 0.29% | Shares |
| ADAR1 Capital Management, LLC | $8,063,944 | 298,886 | 0.28% | Shares |
| Longaeva Partners L.P. | $7,584,186 | 281,104 | 0.27% | Shares |
| Nuveen, LLC | $7,415,265 | 274,843 | 0.26% | Shares |
| Qube Research & Technologies Ltd | $6,738,956 | 249,776 | 0.24% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4,818,628 | 178,600 | 0.17% | Put option |
| MONTANOVA CAPITAL, LLC | $4,691,444 | 173,886 | 0.17% | Shares |
| Trexquant Investment LP | $4,578,911 | 169,715 | 0.16% | Shares |
| TWO SIGMA INVESTMENTS, LP | $4,372,972 | 162,082 | 0.15% | Shares |
| Bank of New York Mellon Corp | $4,277,678 | 158,550 | 0.15% | Shares |
| Brevan Howard Capital Management LP | $4,147,420 | 153,722 | 0.15% | Shares |
| AQR CAPITAL MANAGEMENT LLC | $4,114,558 | 152,504 | 0.14% | Shares |
| Burkehill Global Management, LP | $4,047,000 | 150,000 | 0.14% | Shares |
| BOOTHBAY FUND MANAGEMENT, LLC | $3,976,906 | 147,402 | 0.14% | Shares |
| Caption Management, LLC | $3,879,724 | 143,800 | 0.14% | Call option |
| Artia Global Partners LP | $3,717,844 | 137,800 | 0.13% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3,609,924 | 133,800 | 0.13% | Call option |
| Russell Investments Group, Ltd. | $3,460,113 | 128,247 | 0.12% | Shares |
| VOYA INVESTMENT MANAGEMENT LLC | $3,399,237 | 125,991 | 0.12% | Shares |
| Ensign Peak Advisors, Inc | $3,193,946 | 118,382 | 0.11% | Shares |
| 22NW, LP | $3,071,403 | 113,840 | 0.11% | Shares |
| Swiss National Bank | $3,010,968 | 111,600 | 0.11% | Shares |
| Ishara Investments LP | $2,765,450 | 102,500 | 0.10% | Shares |
| MARK ASSET MANAGEMENT LP | $2,732,777 | 101,289 | 0.10% | Shares |
| ExodusPoint Capital Management, LP | $2,726,383 | 101,052 | 0.10% | Shares |
| CITIGROUP INC | $2,679,978 | 99,332 | 0.09% | Shares |
| Schonfeld Strategic Advisors LLC | $2,569,628 | 95,242 | 0.09% | Shares |
| ALPS ADVISORS INC | $2,400,572 | 88,976 | 0.08% | Shares |
| Squarepoint Ops LLC | $2,329,102 | 86,327 | 0.08% | Shares |
| HighVista Strategies LLC | $2,322,573 | 86,085 | 0.08% | Shares |
| BlueCrest Capital Management Ltd | $2,297,536 | 85,157 | 0.08% | Shares |
| KVP Capital Advisors, LP | $2,270,853 | 84,168 | 0.08% | Shares |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $2,154,658 | 79,537 | 0.08% | Shares |
| Rafferty Asset Management, LLC | $2,109,458 | 78,186 | 0.07% | Shares |
| CITADEL ADVISORS LLC | $2,045,084 | 75,800 | 0.07% | Call option |
| STATE OF WISCONSIN INVESTMENT BOARD | $1,976,690 | 73,265 | 0.07% | Shares |
| JANE STREET GROUP, LLC | $1,912,882 | 70,900 | 0.07% | Call option |
| RHUMBLINE ADVISERS | $1,894,120 | 70,205 | 0.07% | Shares |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $1,813,623 | 67,221 | 0.06% | Shares |
| WELLS FARGO & COMPANY/MN | $1,782,218 | 66,057 | 0.06% | Shares |
| JANE STREET GROUP, LLC | $1,702,438 | 63,100 | 0.06% | Put option |
| PFM Health Sciences, LP | $1,684,038 | 62,418 | 0.06% | Shares |
| BARCLAYS PLC | $1,650,906 | 61,190 | 0.06% | Shares |
| Man Group plc | $1,609,087 | 59,640 | 0.06% | Shares |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | $1,598,349 | 59,242 | 0.06% | Shares |
| DEUTSCHE BANK AG\ | $1,588,501 | 58,877 | 0.06% | Shares |
| DIADEMA PARTNERS LP | $1,520,242 | 56,347 | 0.05% | Shares |
| CITADEL ADVISORS LLC | $1,419,148 | 52,600 | 0.05% | Put option |
| JPMORGAN CHASE & CO | $1,402,491 | 49,615 | 0.05% | Shares |
| CANADA PENSION PLAN INVESTMENT BOARD | $1,386,772 | 51,400 | 0.05% | Shares |
| Troluce Capital Advisors LLC | $1,349,000 | 50,000 | 0.05% | Call option |
| XTX Topco Ltd | $1,285,678 | 47,653 | 0.05% | Shares |
| Erste Asset Management GmbH | $1,209,600 | 45,000 | 0.04% | Shares |
| DAFNA Capital Management LLC | $1,200,340 | 44,490 | 0.04% | Shares |
| PROFUND ADVISORS LLC | $1,058,291 | 39,225 | 0.04% | Shares |
| VANGUARD ASSET MANAGEMENT, Ltd | $1,057,265 | 39,187 | 0.04% | Shares |
| Legal & General Group Plc | $1,026,589 | 38,050 | 0.04% | Shares |
| SIMPLEX TRADING, LLC | $970,713 | 35,979 | 0.03% | Shares |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $957,151 | 35,510 | 0.03% | Shares |
| Verition Fund Management LLC | $937,069 | 34,732 | 0.03% | Shares |
| GOLDMAN SACHS GROUP INC | $914,622 | 33,900 | 0.03% | Put option |
| VICTORY CAPITAL MANAGEMENT INC | $914,163 | 33,883 | 0.03% | Shares |
| WINTON GROUP Ltd | $911,924 | 33,800 | 0.03% | Shares |
| MetLife Investment Management, LLC | $910,710 | 33,755 | 0.03% | Shares |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $863,549 | 32,007 | 0.03% | Shares |
| MILLENNIUM MANAGEMENT LLC | $841,776 | 31,200 | 0.03% | Call option |
| Magnetar Financial LLC | $818,492 | 30,337 | 0.03% | Shares |
| Greenland Capital Management LP | $809,400 | 30,000 | 0.03% | Shares |
| Quantinno Capital Management LP | $799,390 | 29,629 | 0.03% | Shares |
| Creative Planning | $788,220 | 29,215 | 0.03% | Shares |
| AMERIPRISE FINANCIAL INC | $772,437 | 28,630 | 0.03% | Shares |
| ACT CAPITAL MANAGEMENT, LLC | $758,138 | 28,100 | 0.03% | Shares |
| Vanguard Global Advisers, LLC | $749,585 | 27,783 | 0.03% | Shares |
| GROUP ONE TRADING LLC | $687,208 | 25,471 | 0.02% | Shares |
| NEW YORK STATE COMMON RETIREMENT FUND | $544,025 | 20,164 | 0.02% | Shares |
| JANUS HENDERSON GROUP PLC | $537,285 | 19,848 | 0.02% | Shares |
| Zurcher Kantonalbank (Zurich Cantonalbank) | $509,706 | 18,892 | 0.02% | Shares |
| MARSHALL WACE, LLP | $485,640 | 18,000 | 0.02% | Shares |
| State of New Jersey Common Pension Fund D | $485,532 | 17,996 | 0.02% | Shares |
| Eleva Capital SAS | $462,724 | 17,081 | 0.02% | Shares |
| Police & Firemen's Retirement System of New Jersey | $456,690 | 16,927 | 0.02% | Shares |
| LOS ANGELES CAPITAL MANAGEMENT LLC | $447,868 | 16,600 | 0.02% | Shares |
| CAPITAL FUND MANAGEMENT S.A. | $427,579 | 15,848 | 0.02% | Shares |
| Vanguard Investments Australia, Ltd. | $420,187 | 15,574 | 0.01% | Shares |
| ROYAL BANK OF CANADA | $416,000 | 15,413 | 0.01% | Shares |
| ARIZONA STATE RETIREMENT SYSTEM | $414,332 | 15,357 | 0.01% | Shares |
| AlphaQuest LLC | $411,093 | 11,328 | 0.01% | Shares |
| Entropy Technologies, LP | $405,240 | 15,020 | 0.01% | Shares |
| SECTORAL ASSET MANAGEMENT INC | $392,964 | 14,565 | 0.01% | Shares |
| Persistent Asset Partners Ltd | $388,782 | 14,410 | 0.01% | Shares |
| Virtus Investment Advisers, LLC | $373,754 | 13,853 | 0.01% | Shares |
| China Universal Asset Management Co., Ltd. | $354,247 | 13,130 | 0.01% | Shares |
| Mariner, LLC | $342,027 | 12,678 | 0.01% | Shares |
| Quarry LP | $340,380 | 12,616 | 0.01% | Shares |
| KLP KAPITALFORVALTNING AS | $339,948 | 12,600 | 0.01% | Shares |
| VIRGINIA RETIREMENT SYSTEMS ET Al | $333,203 | 12,350 | 0.01% | Shares |
| MAI Capital Management | $327,106 | 12,124 | 0.01% | Shares |
| STRS OHIO | $323,760 | 12,000 | 0.01% | Shares |
| INTECH INVESTMENT MANAGEMENT LLC | $307,167 | 11,385 | 0.01% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $303,309 | 11,242 | 0.01% | Shares |
| E Fund Management Co., Ltd. | $297,454 | 11,025 | 0.01% | Shares |
| Velan Capital Investment Management LP | $296,780 | 11,000 | 0.01% | Shares |
| CreativeOne Wealth, LLC | $290,035 | 10,750 | 0.01% | Shares |
| Lion Point Capital, LP | $283,290 | 10,500 | 0.01% | Shares |
| ProShare Advisors LLC | $275,737 | 10,220 | 0.01% | Shares |
| Walleye Capital LLC | $271,203 | 10,052 | 0.01% | Shares |
| PRUDENTIAL FINANCIAL INC | $252,398 | 9,355 | 0.01% | Shares |
| SEI INVESTMENTS CO | $237,243 | 8,793 | 0.01% | Shares |
| Bellevue Group AG | $236,156 | 8,753 | 0.01% | Shares |
| TEMA ETFS LLC | $234,542 | 6,463 | 0.01% | Shares |
| CAPSTONE INVESTMENT ADVISORS, LLC | $225,931 | 8,374 | 0.01% | Shares |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $206,991 | 7,672 | 0.01% | Shares |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | $205,938 | 7,633 | 0.01% | Shares |
| TUDOR INVESTMENT CORP ET AL | $202,350 | 7,500 | 0.01% | Call option |
| CWM, LLC | $163,922 | 6,051 | 0.01% | Shares |
| FEDERATED HERMES, INC. | $161,880 | 6,000 | 0.01% | Shares |
| Point72 (DIFC) Ltd | $153,088 | 4,037 | 0.01% | Shares |
| Aquatic Capital Management LLC | $141,348 | 5,239 | 0.00% | Shares |
| Ameritas Investment Partners, Inc. | $140,539 | 5,209 | 0.00% | Shares |
| Mirae Asset Global Investments Co., Ltd. | $99,556 | 3,690 | 0.00% | Shares |
| Coastal Bridge Advisors, LLC | $66,101 | 2,450 | 0.00% | Shares |
| PRICE T ROWE ASSOCIATES INC /MD/ | $61,042 | 2,262,476 | 0.00% | Shares |
| PNC Financial Services Group, Inc. | $60,273 | 2,234 | 0.00% | Shares |
| NISA INVESTMENT ADVISORS, LLC | $58,034 | 2,151 | 0.00% | Shares |
| Tower Research Capital LLC (TRC) | $52,449 | 1,944 | 0.00% | Shares |
| GF FUND MANAGEMENT CO. LTD. | $45,218 | 1,676 | 0.00% | Shares |
| Smartleaf Asset Management LLC | $44,056 | 1,639 | 0.00% | Shares |
| OSAIC HOLDINGS, INC. | $31,836 | 1,180 | 0.00% | Shares |
| COMERICA BANK | $28,319 | 781 | 0.00% | Shares |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $22,420 | 831 | 0.00% | Shares |
| FIFTH THIRD BANCORP | $21,168 | 784 | 0.00% | Shares |
| JONES FINANCIAL COMPANIES LLLP | $19,690 | 738 | 0.00% | Shares |
| Kemnay Advisory Services Inc. | $16,107 | 597 | 0.00% | Shares |
| Versant Capital Management, Inc | $14,902 | 593 | 0.00% | Shares |
| GAMMA Investing LLC | $13,895 | 515 | 0.00% | Shares |
| SMA Capital LLC | $10,441 | 387 | 0.00% | Shares |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $9,983 | 370 | 0.00% | Shares |
| Pinnacle Wealth Planning Services, Inc. | $9,578 | 355 | 0.00% | Shares |
| MassMutual Private Wealth & Trust, FSB | $8,607 | 319 | 0.00% | Shares |
| Coastal Bridge Advisors, LLC | $7,900 | 20,000 | 0.00% | Call option |
| Arax Advisory Partners | $7,717 | 286 | 0.00% | Shares |
| State of Wyoming | $7,042 | 261 | 0.00% | Shares |
| Rockefeller Capital Management L.P. | $6,583 | 244 | 0.00% | Shares |
| FIL Ltd | $6,178 | 229 | 0.00% | Shares |
| Keating Financial Advisory Services, Inc. | $6,097 | 226 | 0.00% | Shares |
| J.Safra Asset Management Corp | $5,558 | 206 | 0.00% | Shares |
| US BANCORP \DE\ | $5,531 | 205 | 0.00% | Shares |
| Sterling Capital Management LLC | $5,450 | 202 | 0.00% | Shares |
| Parkside Financial Bank & Trust | $4,074 | 151 | 0.00% | Shares |
| Optiver Holding B.V. | $3,993 | 148 | 0.00% | Shares |
| FSA Wealth Management LLC | $3,792 | 100 | 0.00% | Shares |
| SIGNATUREFD, LLC | $3,157 | 117 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $3,130 | 116 | 0.00% | Shares |
| Allworth Financial LP | $2,725 | 101 | 0.00% | Shares |
| ROTHSCHILD INVESTMENT LLC | $2,185 | 81 | 0.00% | Shares |
| True Wealth Design, LLC | $2,051 | 76 | 0.00% | Shares |
| Kilter Group LLC | $1,862 | 69 | 0.00% | Shares |
| HRT FINANCIAL LP | $1,849 | 68,565 | 0.00% | Shares |
| SG Americas Securities, LLC | $1,645 | 60,963 | 0.00% | Shares |
| Lindbrook Capital, LLC | $1,636 | 103 | 0.00% | Shares |
| EverSource Wealth Advisors, LLC | $1,187 | 44 | 0.00% | Shares |
| Farther Finance Advisors, LLC | $808 | 30 | 0.00% | Shares |
| Private Wealth Management Group, LLC | $756 | 28 | 0.00% | Shares |
| Essential Partners LLC | $621 | 23 | 0.00% | Shares |
| Parallel Advisors, LLC | $594 | 22 | 0.00% | Shares |
| Caitong International Asset Management Co., Ltd | $486 | 18 | 0.00% | Shares |
| Handelsbanken Fonder AB | $382 | 14,100 | 0.00% | Shares |
| SJS Investment Consulting Inc. | $324 | 12 | 0.00% | Shares |
| Virtu Financial LLC | $240 | 8,886 | 0.00% | Shares |
| Global Retirement Partners, LLC | $216 | 8 | 0.00% | Shares |
| Silver Grove Financial Group, Inc. | $216 | 8 | 0.00% | Shares |
| Larson Financial Group LLC | $162 | 6 | 0.00% | Shares |
| NATIONAL BANK OF CANADA /FI/ | $162 | 6 | 0.00% | Shares |
| Stone House Investment Management, LLC | $108 | 4 | 0.00% | Shares |
| FNY Investment Advisers, LLC | $67 | 2,500 | 0.00% | Shares |
| Pacer Advisors, Inc. | $35 | 1,306 | 0.00% | Shares |
| KBC Group NV | $33 | 1,233 | 0.00% | Shares |
| Hughes Financial Services, LLC | $27 | 1 | 0.00% | Shares |
| IFP Advisors, Inc | $27 | 1 | 0.00% | Shares |
| Covestor Ltd | $15 | 546 | 0.00% | Shares |
| Avion Wealth | $0 | 21 | 0.00% | Shares |