CUSIP 59045L106
MERSANA THERAPEUTICS INC
165 institutions · $86.8M total · 120,163,147 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | Nextech Invest Ltd. | 12,067,246 | $17.3M | 10.04% | 2024-12-31 |
| 2 | EcoR1 Capital, LLC | 11,328,000 | $16.2M | 9.42% | 2024-12-31 |
| 3 | DEUTSCHE BANK AG\ | 1,581,942 | $7.1M | 1.31% | 2025-06-30 |
| 4 | NOVO HOLDINGS A/S | 4,250,000 | $6.1M | 3.53% | 2024-12-31 |
| 5 | Boxer Capital Management, LLC | 2,635,000 | $3.8M | 2.19% | 2024-12-31 |
| 6 | Nextech Invest, Ltd. | 12,067,246 | $3.6M | 10.04% | 2025-06-30 |
| 7 | Bain Capital Life Sciences Investors, LLC | 8,663,673 | $2.6M | 7.20% | 2025-06-30 |
| 8 | VANGUARD GROUP INC | 7,643,667 | $2.3M | 6.36% | 2025-06-30 |
| 9 | Exome Asset Management LLC | 1,178,570 | $2.2M | 0.98% | 2024-12-31 |
| 10 | Schonfeld Strategic Advisors LLC | 5,673,852 | $1.7M | 4.72% | 2025-06-30 |
| 11 | ACUTA CAPITAL PARTNERS, LLC | 1,120,500 | $1.6M | 0.93% | 2024-12-31 |
| 12 | BAKER BROS. ADVISORS LP | 1,086,115 | $1.6M | 0.90% | 2024-12-31 |
| 13 | AQR CAPITAL MANAGEMENT LLC | 5,032,685 | $1.5M | 4.18% | 2025-06-30 |
| 14 | Octagon Capital Advisors LP | 992,000 | $1.4M | 0.82% | 2024-12-31 |
| 15 | VR ADVISER, LLC | 3,574,325 | $1.2M | 2.97% | 2025-03-31 |
| 16 | Rock Springs Capital Management LP | 3,814,684 | $1.1M | 3.17% | 2025-06-30 |
| 17 | SPHERA FUNDS MANAGEMENT LTD. | 690,272 | $987.1K | 0.57% | 2024-12-31 |
| 18 | SILVERARC CAPITAL MANAGEMENT, LLC | 3,128,421 | $926.0K | 2.60% | 2025-06-30 |
| 19 | RENAISSANCE TECHNOLOGIES LLC | 2,850,194 | $843.7K | 2.37% | 2025-06-30 |
| 20 | D. E. Shaw & Co., Inc. | 544,463 | $778.6K | 0.45% | 2024-12-31 |
| 21 | Atle Fund Management AB | 538,621 | $764.8K | 0.44% | 2024-12-31 |
| 22 | MILLENNIUM MANAGEMENT LLC | 2,090,235 | $618.7K | 1.73% | 2025-06-30 |
| 23 | BlackRock, Inc. | 2,068,782 | $612.4K | 1.72% | 2025-06-30 |
| 24 | WELLINGTON MANAGEMENT GROUP LLP | 419,717 | $600.2K | 0.34% | 2024-12-31 |
| 25 | 683 Capital Management, LLC | 1,990,000 | $589.0K | 1.65% | 2025-06-30 |
| 26 | Verition Fund Management LLC | 336,806 | $481.6K | 0.28% | 2024-12-31 |
| 27 | Catalio Capital Management, LP | 1,567,413 | $464.0K | 1.30% | 2025-06-30 |
| 28 | GOLDMAN SACHS GROUP INC | 1,414,803 | $418.8K | 1.17% | 2025-06-30 |
| 29 | JACOBS LEVY EQUITY MANAGEMENT, INC | 1,332,945 | $394.6K | 1.10% | 2025-06-30 |
| 30 | LUMINUS MANAGEMENT LLC | 50,000 | $388.0K | 0.04% | 2025-09-30 |
| 31 | 5AM Venture Management, LLC | 1,305,000 | $386.3K | 1.08% | 2025-06-30 |
| 32 | NEW YORK STATE COMMON RETIREMENT FUND | 55,981 | $328.0K | 0.04% | 2025-09-30 |
| 33 | TWO SIGMA ADVISERS, LP | 937,000 | $277.4K | 0.77% | 2025-06-30 |
| 34 | FEDERATED HERMES, INC. | 183,723 | $262.7K | 0.15% | 2024-12-31 |
| 35 | GEODE CAPITAL MANAGEMENT, LLC | 883,568 | $261.6K | 0.73% | 2025-06-30 |
| 36 | RHUMBLINE ADVISERS | 171,857 | $245.7K | 0.14% | 2025-03-31 |
| 37 | TWO SIGMA INVESTMENTS, LP | 823,269 | $243.7K | 0.68% | 2025-06-30 |
| 38 | Nuveen Asset Management, LLC | 162,696 | $232.7K | 0.13% | 2024-12-31 |
| 39 | LOS ANGELES CAPITAL MANAGEMENT LLC | 159,760 | $228.5K | 0.13% | 2024-12-31 |
| 40 | UBS Group AG | 659,972 | $195.4K | 0.54% | 2025-06-30 |
| 41 | Lion Point Capital, LP | 644,000 | $190.6K | 0.53% | 2025-06-30 |
| 42 | IEQ CAPITAL, LLC | 638,452 | $189.0K | 0.53% | 2025-06-30 |
| 43 | Alamea Verwaltungs GmbH | 604,213 | $178.8K | 0.50% | 2025-06-30 |
| 44 | JANE STREET GROUP, LLC | 511,182 | $151.3K | 0.42% | 2025-06-30 |
| 45 | Woodline Partners LP | 435,593 | $149.9K | 0.36% | 2025-03-31 |
| 46 | STATE STREET CORP | 452,110 | $133.8K | 0.37% | 2025-06-30 |
| 47 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 449,369 | $133.0K | 0.37% | 2025-06-30 |
| 48 | MACKENZIE FINANCIAL CORP | 91,956 | $131.5K | 0.07% | 2025-03-31 |
| 49 | SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 91,852 | $131.3K | 0.07% | 2024-12-31 |
| 50 | PANAGORA ASSET MANAGEMENT INC | 370,448 | $127.5K | 0.30% | 2025-03-31 |
| 51 | EXCHANGE TRADED CONCEPTS, LLC | 85,006 | $121.6K | 0.07% | 2024-12-31 |
| 52 | MetLife Investment Management, LLC | 73,150 | $104.6K | 0.06% | 2024-12-31 |
| 53 | State of Wyoming | 295,498 | $101.7K | 0.24% | 2025-03-31 |
| 54 | MORGAN STANLEY | 341,860 | $101.2K | 0.28% | 2025-06-30 |
| 55 | SEI INVESTMENTS CO | 69,527 | $99.4K | 0.05% | 2025-03-31 |
| 56 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 280,631 | $96.6K | 0.23% | 2025-09-30 |
| 57 | Cerity Partners LLC | 320,805 | $95.0K | 0.26% | 2025-06-30 |
| 58 | OXFORD ASSET MANAGEMENT LLP | 65,386 | $93.5K | 0.05% | 2024-12-31 |
| 59 | XTX Topco Ltd | 63,530 | $90.8K | 0.05% | 2024-12-31 |
| 60 | Avanza Fonder AB | 56,298 | $80.5K | 0.04% | 2024-12-31 |
| 61 | AMERIPRISE FINANCIAL INC | 52,129 | $74.5K | 0.04% | 2024-12-31 |
| 62 | PRELUDE CAPITAL MANAGEMENT, LLC | 51,357 | $73.4K | 0.04% | 2024-12-31 |
| 63 | Graham Capital Management, L.P. | 49,724 | $71.1K | 0.04% | 2024-12-31 |
| 64 | BIT Capital GmbH | 16,931 | $69.6K | 0.01% | 2024-12-31 |
| 65 | NORTHERN TRUST CORP | 222,516 | $65.9K | 0.18% | 2025-06-30 |
| 66 | Cubist Systematic Strategies, LLC | 45,296 | $64.8K | 0.03% | 2024-12-31 |
| 67 | ALLIANCEBERNSTEIN L.P. | 186,060 | $64.0K | 0.15% | 2025-03-31 |
| 68 | Nuveen, LLC | 162,696 | $56.0K | 0.13% | 2025-03-31 |
| 69 | MACQUARIE GROUP LTD | 150,000 | $52.0K | 0.12% | 2025-06-30 |
| 70 | Legal & General Group Plc | 11,097 | $49.7K | 0.00% | 2025-03-31 |
| 71 | Qube Research & Technologies Ltd | 152,877 | $45.3K | 0.12% | 2025-06-30 |
| 72 | Atom Investors LP | 26,563 | $38.0K | 0.02% | 2024-12-31 |
| 73 | JPMORGAN CHASE & CO | 124,786 | $36.9K | 0.10% | 2025-06-30 |
| 74 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | 126,729 | $36.7K | 0.10% | 2025-06-30 |
| 75 | FMR LLC | 121,423 | $35.9K | 0.10% | 2025-06-30 |
| 76 | Quarry LP | 24,000 | $34.3K | 0.01% | 2024-12-31 |
| 77 | OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 97,731 | $33.6K | 0.08% | 2025-03-31 |
| 78 | INTECH INVESTMENT MANAGEMENT LLC | 90,358 | $31.1K | 0.07% | 2025-03-31 |
| 79 | Invesco Ltd. | 85,673 | $29.5K | 0.07% | 2025-03-31 |
| 80 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | 20,587 | $29.4K | 0.01% | 2024-12-31 |
| 81 | Pallas Capital Advisors LLC | 96,709 | $28.6K | 0.08% | 2025-06-30 |
| 82 | Jain Global LLC | 96,154 | $28.5K | 0.08% | 2025-06-30 |
| 83 | Engineers Gate Manager LP | 17,084 | $24.4K | 0.01% | 2024-12-31 |
| 84 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 68,760 | $23.7K | 0.05% | 2025-03-31 |
| 85 | US BANCORP \DE\ | 16,178 | $23.1K | 0.01% | 2024-12-31 |
| 86 | MARSHALL WACE, LLP | 15,600 | $22.3K | 0.01% | 2024-12-31 |
| 87 | Point72 Asia (Singapore) Pte. Ltd. | 75,151 | $22.2K | 0.06% | 2025-06-30 |
| 88 | WOLVERINE TRADING, LLC | 15,100 | $21.4K | 0.01% | 2024-12-31 |
| 89 | CITIGROUP INC | 72,094 | $21.3K | 0.05% | 2025-06-30 |
| 90 | Aquatic Capital Management LLC | 14,551 | $20.8K | 0.01% | 2024-12-31 |
| 91 | Bank of New York Mellon Corp | 66,576 | $19.7K | 0.05% | 2025-06-30 |
| 92 | QVT Financial LP | 62,657 | $18.5K | 0.05% | 2025-06-30 |
| 93 | Corebridge Financial, Inc. | 52,526 | $18.1K | 0.04% | 2025-03-31 |
| 94 | Bayesian Capital Management, LP | 12,600 | $18.0K | 0.01% | 2024-12-31 |
| 95 | Squarepoint Ops LLC | 12,104 | $17.3K | 0.01% | 2024-12-31 |
| 96 | Callan Family Office, LLC | 56,559 | $16.7K | 0.04% | 2025-06-30 |
| 97 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 8,220 | $16.5K | 0.00% | 2025-03-31 |
| 98 | R Squared Ltd | 47,229 | $14.0K | 0.03% | 2025-06-30 |
| 99 | STRS OHIO | 8,700 | $12.4K | 0.00% | 2025-03-31 |
| 100 | CAPTRUST FINANCIAL ADVISORS | 41,746 | $12.4K | 0.03% | 2025-06-30 |
| 101 | Vanguard Personalized Indexing Management, LLC | 36,692 | $10.9K | 0.03% | 2025-06-30 |
| 102 | GROUP ONE TRADING LLC | 34,856 | $10.3K | 0.02% | 2025-06-30 |
| 103 | CITADEL ADVISORS LLC | 34,300 | $10.2K | 0.02% | 2025-06-30 |
| 104 | STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | 28,800 | $9.9K | 0.02% | 2025-03-31 |
| 105 | ProShare Advisors LLC | 28,784 | $9.9K | 0.02% | 2025-03-31 |
| 106 | Tower Research Capital LLC (TRC) | 31,684 | $9.4K | 0.02% | 2025-06-30 |
| 107 | Merit Financial Group, LLC | 31,588 | $9.3K | 0.02% | 2025-06-30 |
| 108 | Walleye Trading LLC | 31,526 | $9.3K | 0.02% | 2025-06-30 |
| 109 | Focus Partners Wealth | 30,976 | $9.2K | 0.02% | 2025-06-30 |
| 110 | HSBC HOLDINGS PLC | 30,500 | $8.8K | 0.02% | 2025-06-30 |
| 111 | MERCER GLOBAL ADVISORS INC /ADV | 24,077 | $8.3K | 0.02% | 2025-03-31 |
| 112 | CIBC WORLD MARKETS CORP | 23,791 | $8.2K | 0.01% | 2025-03-31 |
| 113 | Police & Firemen's Retirement System of New Jersey | 22,593 | $7.8K | 0.01% | 2025-03-31 |
| 114 | China Universal Asset Management Co., Ltd. | 25,032 | $7.4K | 0.02% | 2025-06-30 |
| 115 | Jasper Ridge Partners, L.P. | 23,100 | $6.8K | 0.01% | 2025-06-30 |
| 116 | Focus Partners Advisor Solutions, LLC | 19,485 | $6.7K | 0.01% | 2025-03-31 |
| 117 | Mariner, LLC | 20,636 | $6.1K | 0.01% | 2025-06-30 |
| 118 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 17,374 | $6.0K | 0.01% | 2025-03-31 |
| 119 | WELLS FARGO & COMPANY/MN | 20,000 | $5.9K | 0.01% | 2025-06-30 |
| 120 | NorthCrest Asset Manangement, LLC | 16,069 | $5.5K | 0.01% | 2025-03-31 |
| 121 | TWO SIGMA SECURITIES, LLC | 17,566 | $5.2K | 0.01% | 2025-06-30 |
| 122 | GRIMES & COMPANY, INC. | 14,069 | $4.8K | 0.01% | 2025-03-31 |
| 123 | Parcion Private Wealth LLC | 16,233 | $4.8K | 0.01% | 2025-06-30 |
| 124 | Abel Hall, LLC | 13,662 | $4.7K | 0.01% | 2025-03-31 |
| 125 | Savant Capital, LLC | 15,310 | $4.5K | 0.01% | 2025-06-30 |
| 126 | PRUDENTIAL FINANCIAL INC | 14,900 | $4.4K | 0.01% | 2025-06-30 |
| 127 | PRINCIPAL FINANCIAL GROUP INC | 10,354 | $3.6K | 0.00% | 2025-03-31 |
| 128 | VICTORY CAPITAL MANAGEMENT INC | 10,339 | $3.6K | 0.00% | 2025-03-31 |
| 129 | Voya Investment Management LLC | 10,123 | $3.5K | 0.00% | 2025-06-30 |
| 130 | Ameritas Investment Partners, Inc. | 9,896 | $3.4K | 0.00% | 2025-03-31 |
| 131 | Jump Financial, LLC | 11,323 | $3.4K | 0.00% | 2025-06-30 |
| 132 | BANK OF AMERICA CORP /DE/ | 11,093 | $3.3K | 0.00% | 2025-06-30 |
| 133 | BARCLAYS PLC | 9,767 | $2.9K | 0.00% | 2025-12-31 |
| 134 | Mirae Asset Global Investments Co., Ltd. | 4,814 | $1.4K | 0.00% | 2025-06-30 |
| 135 | ACADIAN ASSET MANAGEMENT LLC | 2,955,280 | $873 | 2.45% | 2025-06-30 |
| 136 | BNP PARIBAS FINANCIAL MARKETS | 2,765 | $818 | 0.00% | 2025-06-30 |
| 137 | GF FUND MANAGEMENT CO. LTD. | 2,594 | $768 | 0.00% | 2025-06-30 |
| 138 | OSAIC HOLDINGS, INC. | 2,598 | $754 | 0.00% | 2025-09-30 |
| 139 | Optiver Holding B.V. | 2,312 | $684 | 0.00% | 2025-06-30 |
| 140 | SBI Securities Co., Ltd. | 1,368 | $471 | 0.00% | 2025-03-31 |
| 141 | COLDSTREAM CAPITAL MANAGEMENT INC | 1,095 | $377 | 0.00% | 2025-03-31 |
| 142 | Sterling Capital Management LLC | 944 | $325 | 0.00% | 2025-03-31 |
| 143 | EverSource Wealth Advisors, LLC | 11 | $318 | 0.00% | 2025-12-31 |
| 144 | NISA INVESTMENT ADVISORS, LLC | 1,050 | $311 | 0.00% | 2025-06-30 |
| 145 | PNC Financial Services Group, Inc. | 893 | $264 | 0.00% | 2025-06-30 |
| 146 | HUNTINGTON NATIONAL BANK | 800 | $237 | 0.00% | 2025-06-30 |
| 147 | IFP Advisors, Inc | 610 | $188 | 0.00% | 2025-12-31 |
| 148 | North Star Investment Management Corp. | 6 | $174 | 0.00% | 2025-12-31 |
| 149 | GSA CAPITAL PARTNERS LLP | 471,681 | $140 | 0.39% | 2025-06-30 |
| 150 | True Wealth Design, LLC | 289 | $100 | 0.00% | 2025-03-31 |
| 151 | ALGERT GLOBAL LLC | 101,313 | $30 | 0.08% | 2025-06-30 |
| 152 | HRT FINANCIAL LP | 93,373 | $27 | 0.07% | 2025-06-30 |
| 153 | PRICE T ROWE ASSOCIATES INC /MD/ | 62,093 | $22 | 0.05% | 2025-03-31 |
| 154 | CWM, LLC | 2,878 | $22 | 0.00% | 2025-09-30 |
| 155 | SG Americas Securities, LLC | 35,527 | $12 | 0.02% | 2025-03-31 |
| 156 | PICTON MAHONEY ASSET MANAGEMENT | 2,871 | $4 | 0.00% | 2025-03-31 |
| 157 | Hunter Perkins Capital Management, LLC | 10,000 | $3 | 0.00% | 2025-06-30 |
| 158 | ExodusPoint Capital Management, LP | 11,434 | $3 | 0.00% | 2025-06-30 |
| 159 | Frazier Financial Advisors, LLC | 5 | $2 | 0.00% | 2025-03-31 |
| 160 | AMALGAMATED BANK | 3,769 | $1 | 0.00% | 2025-03-31 |
| 161 | SIMPLEX TRADING, LLC | 3,424 | $1 | 0.00% | 2025-03-31 |
| 162 | Farther Finance Advisors, LLC | 1 | $0 | 0.00% | 2025-06-30 |
| 163 | Caitong International Asset Management Co., Ltd | 1 | $0 | 0.00% | 2025-06-30 |
| 164 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-06-30 |
| 165 | Royal Bank of Canada | 150 | $0 | 0.00% | 2025-09-30 |