CUSIP 55287L101
MBX BIOSCIENCES INC
172 institutions · $1.51B total · 51,234,981 shares · MBX
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | Frazier Life Sciences Management, L.P. | 6,652,013 | $209.8M | 12.98% | 2025-12-31 |
| 2 | ORBIMED ADVISORS LLC | 3,935,203 | $124.1M | 7.68% | 2025-12-31 |
| 3 | NEA Management Company, LLC | 3,614,486 | $114.0M | 7.05% | 2025-12-31 |
| 4 | Deep Track Capital, LP | 3,249,790 | $102.5M | 6.34% | 2025-12-31 |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | 2,845,090 | $89.7M | 5.55% | 2025-12-31 |
| 6 | NVP ASSOCIATES, LLC | 2,136,335 | $67.4M | 4.16% | 2025-12-31 |
| 7 | EcoR1 Capital, LLC | 2,123,604 | $67.0M | 4.14% | 2025-12-31 |
| 8 | VANGUARD GROUP INC | 1,636,879 | $51.6M | 3.19% | 2025-12-31 |
| 9 | Driehaus Capital Management LLC | 1,408,159 | $44.4M | 2.74% | 2025-12-31 |
| 10 | BlackRock, Inc. | 1,333,451 | $42.1M | 2.60% | 2025-12-31 |
| 11 | Cormorant Asset Management, LP | 1,120,000 | $35.3M | 2.18% | 2025-12-31 |
| 12 | BRAIDWELL LP | 1,018,600 | $32.1M | 1.98% | 2025-12-31 |
| 13 | Woodline Partners LP | 1,000,063 | $31.5M | 1.95% | 2025-12-31 |
| 14 | Kynam Capital Management, LP | 934,799 | $29.5M | 1.82% | 2025-12-31 |
| 15 | EVENTIDE ASSET MANAGEMENT, LLC | 890,000 | $28.1M | 1.73% | 2025-12-31 |
| 16 | Parkman Healthcare Partners LLC | 885,639 | $27.9M | 1.72% | 2025-12-31 |
| 17 | CITADEL ADVISORS LLC | 809,857 | $25.5M | 1.58% | 2025-12-31 |
| 18 | FRANKLIN RESOURCES INC | 1,296,726 | $22.7M | 2.53% | 2025-09-30 |
| 19 | Point72 Asset Management, L.P. | 680,609 | $21.5M | 1.32% | 2025-12-31 |
| 20 | STATE STREET CORP | 672,740 | $21.2M | 1.31% | 2025-12-31 |
| 21 | D. E. Shaw & Co., Inc. | 671,838 | $21.2M | 1.31% | 2025-12-31 |
| 22 | TCG Crossover Management, LLC | 650,000 | $20.5M | 1.26% | 2025-12-31 |
| 23 | GEODE CAPITAL MANAGEMENT, LLC | 563,606 | $17.8M | 1.10% | 2025-12-31 |
| 24 | MPM BIOIMPACT LLC | 1,294,416 | $14.8M | 2.52% | 2025-06-30 |
| 25 | MILLENNIUM MANAGEMENT LLC | 462,049 | $14.6M | 0.90% | 2025-12-31 |
| 26 | Soleus Capital Management, L.P. | 408,900 | $12.9M | 0.79% | 2025-12-31 |
| 27 | GOLDMAN SACHS GROUP INC | 317,404 | $10.0M | 0.61% | 2025-12-31 |
| 28 | Trails Edge Capital Partners, LP | 315,158 | $9.9M | 0.61% | 2025-12-31 |
| 29 | Rock Springs Capital Management LP | 282,624 | $8.9M | 0.55% | 2025-12-31 |
| 30 | UBS Group AG | 281,181 | $8.9M | 0.54% | 2025-12-31 |
| 31 | Opaleye Management Inc. | 260,000 | $8.2M | 0.50% | 2025-12-31 |
| 32 | Affinity Asset Advisors, LLC | 250,000 | $7.9M | 0.48% | 2025-12-31 |
| 33 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 228,000 | $7.2M | 0.44% | 2025-12-31 |
| 34 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 222,180 | $7.0M | 0.43% | 2025-12-31 |
| 35 | Goelzer Investment Management, Inc. | 221,672 | $7.0M | 0.43% | 2025-12-31 |
| 36 | Elmind Capital, LP | 211,000 | $6.7M | 0.41% | 2025-12-31 |
| 37 | NORTHERN TRUST CORP | 186,375 | $5.9M | 0.36% | 2025-12-31 |
| 38 | Schonfeld Strategic Advisors LLC | 167,125 | $5.3M | 0.32% | 2025-12-31 |
| 39 | DAFNA Capital Management LLC | 165,265 | $5.2M | 0.32% | 2025-12-31 |
| 40 | 683 Capital Management, LLC | 158,800 | $5.0M | 0.30% | 2025-12-31 |
| 41 | BAKER BROS. ADVISORS LP | 277,777 | $4.9M | 0.54% | 2025-09-30 |
| 42 | TFG Asset Management GP Ltd | 143,327 | $4.5M | 0.27% | 2025-12-31 |
| 43 | TWO SIGMA INVESTMENTS, LP | 138,571 | $4.4M | 0.27% | 2025-12-31 |
| 44 | RA CAPITAL MANAGEMENT, L.P. | 377,841 | $4.3M | 0.73% | 2025-06-30 |
| 45 | Longaeva Partners L.P. | 224,433 | $3.9M | 0.43% | 2025-09-30 |
| 46 | KVP Capital Advisors, LP | 121,524 | $3.8M | 0.23% | 2025-12-31 |
| 47 | Balyasny Asset Management L.P. | 119,726 | $3.8M | 0.23% | 2025-12-31 |
| 48 | Ikarian Capital, LLC | 200,000 | $3.5M | 0.39% | 2025-09-30 |
| 49 | SECTORAL ASSET MANAGEMENT INC | 194,898 | $3.4M | 0.38% | 2025-09-30 |
| 50 | TD Asset Management Inc | 101,450 | $3.2M | 0.19% | 2025-12-31 |
| 51 | Burkehill Global Management, LP | 100,000 | $3.2M | 0.19% | 2025-12-31 |
| 52 | LMR Partners LLP | 170,100 | $3.0M | 0.33% | 2025-09-30 |
| 53 | Sio Capital Management, LLC | 241,000 | $2.7M | 0.47% | 2025-06-30 |
| 54 | JANE STREET GROUP, LLC | 86,581 | $2.7M | 0.16% | 2025-12-31 |
| 55 | PFM Health Sciences, LP | 79,310 | $2.5M | 0.15% | 2025-12-31 |
| 56 | STEMPOINT CAPITAL LP | 78,553 | $2.5M | 0.15% | 2025-12-31 |
| 57 | OSAIC HOLDINGS, INC. | 77,601 | $2.4M | 0.15% | 2025-12-31 |
| 58 | SCHRODER INVESTMENT MANAGEMENT GROUP | 73,736 | $2.3M | 0.14% | 2025-12-31 |
| 59 | Aaron Wealth Advisors LLC | 70,000 | $2.2M | 0.13% | 2025-12-31 |
| 60 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 69,551 | $2.2M | 0.13% | 2025-12-31 |
| 61 | Nuveen, LLC | 67,908 | $2.1M | 0.13% | 2025-12-31 |
| 62 | Verition Fund Management LLC | 57,575 | $1.8M | 0.11% | 2025-12-31 |
| 63 | ExodusPoint Capital Management, LP | 57,005 | $1.8M | 0.11% | 2025-12-31 |
| 64 | DIADEMA PARTNERS LP | 100,000 | $1.8M | 0.19% | 2025-09-30 |
| 65 | BARCLAYS PLC | 52,691 | $1.7M | 0.10% | 2025-12-31 |
| 66 | Hudson Bay Capital Management LP | 85,000 | $1.5M | 0.16% | 2025-12-31 |
| 67 | Bank of New York Mellon Corp | 47,153 | $1.5M | 0.09% | 2025-12-31 |
| 68 | Squarepoint Ops LLC | 46,702 | $1.5M | 0.09% | 2025-12-31 |
| 69 | MORGAN STANLEY | 46,146 | $1.5M | 0.09% | 2025-12-31 |
| 70 | Murchinson Ltd. | 80,000 | $1.4M | 0.15% | 2025-09-30 |
| 71 | PLATINUM INVESTMENT MANAGEMENT LTD | 43,597 | $1.4M | 0.08% | 2025-12-31 |
| 72 | BOOTHBAY FUND MANAGEMENT, LLC | 72,800 | $1.3M | 0.14% | 2025-09-30 |
| 73 | ALPS ADVISORS INC | 36,872 | $1.2M | 0.07% | 2025-12-31 |
| 74 | Creative Planning | 33,651 | $1.1M | 0.06% | 2025-12-31 |
| 75 | RHUMBLINE ADVISERS | 33,420 | $1.1M | 0.06% | 2025-12-31 |
| 76 | RENAISSANCE TECHNOLOGIES LLC | 32,644 | $1.0M | 0.06% | 2025-12-31 |
| 77 | WELLS FARGO & COMPANY/MN | 31,931 | $1.0M | 0.06% | 2025-12-31 |
| 78 | AQR CAPITAL MANAGEMENT LLC | 30,796 | $971.3K | 0.06% | 2025-12-31 |
| 79 | Exome Asset Management LLC | 52,402 | $917.0K | 0.10% | 2025-09-30 |
| 80 | ALLIANCEBERNSTEIN L.P. | 27,900 | $880.0K | 0.05% | 2025-12-31 |
| 81 | Brevan Howard Capital Management LP | 25,663 | $809.4K | 0.05% | 2025-12-31 |
| 82 | Caption Management, LLC | 25,100 | $791.7K | 0.04% | 2025-12-31 |
| 83 | Trexquant Investment LP | 24,268 | $765.4K | 0.04% | 2025-12-31 |
| 84 | FOX RUN MANAGEMENT, L.L.C. | 23,820 | $751.3K | 0.04% | 2025-12-31 |
| 85 | Qube Research & Technologies Ltd | 23,213 | $732.1K | 0.04% | 2025-12-31 |
| 86 | READYSTATE ASSET MANAGEMENT LP | 38,500 | $673.8K | 0.07% | 2025-09-30 |
| 87 | Ghisallo Capital Management LLC | 38,250 | $669.4K | 0.07% | 2025-09-30 |
| 88 | Cerity Partners LLC | 21,048 | $663.9K | 0.04% | 2025-12-31 |
| 89 | NORGES BANK | 25,000 | $649.5K | 0.04% | 2025-09-30 |
| 90 | XTX Topco Ltd | 20,139 | $635.2K | 0.03% | 2025-12-31 |
| 91 | DEUTSCHE BANK AG\ | 20,027 | $631.7K | 0.03% | 2025-12-31 |
| 92 | BANK OF AMERICA CORP /DE/ | 18,992 | $599.0K | 0.03% | 2025-12-31 |
| 93 | Koa Wealth Management, LLC | 18,413 | $580.7K | 0.03% | 2025-12-31 |
| 94 | Seven Fleet Capital Management LP | 18,200 | $574.0K | 0.03% | 2025-12-31 |
| 95 | Resolute Capital Asset Partners LLC | 49,670 | $566.7K | 0.09% | 2025-06-30 |
| 96 | Weiss Asset Management LP | 30,823 | $539.4K | 0.06% | 2025-09-30 |
| 97 | SummitTX Capital, L.P. | 29,310 | $512.9K | 0.05% | 2025-09-30 |
| 98 | MetLife Investment Management, LLC | 16,018 | $505.2K | 0.03% | 2025-12-31 |
| 99 | Universal- Beteiligungs- und Servicegesellschaft mbH | 28,461 | $498.1K | 0.05% | 2025-09-30 |
| 100 | CITIGROUP INC | 15,747 | $496.7K | 0.03% | 2025-12-31 |
| 101 | FMR LLC | 15,746 | $496.6K | 0.03% | 2025-12-31 |
| 102 | China Universal Asset Management Co., Ltd. | 15,317 | $483.1K | 0.02% | 2025-12-31 |
| 103 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 13,258 | $418.2K | 0.02% | 2025-12-31 |
| 104 | AMERICAN CENTURY COMPANIES INC | 12,236 | $385.9K | 0.02% | 2025-12-31 |
| 105 | CANADA PENSION PLAN INVESTMENT BOARD | 11,600 | $365.9K | 0.02% | 2025-12-31 |
| 106 | JPMORGAN CHASE & CO | 11,374 | $358.7K | 0.02% | 2025-12-31 |
| 107 | Graham Capital Management, L.P. | 11,254 | $355.0K | 0.02% | 2025-12-31 |
| 108 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 10,000 | $315.4K | 0.01% | 2025-12-31 |
| 109 | GROUP ONE TRADING LLC | 9,428 | $297.4K | 0.01% | 2025-12-31 |
| 110 | PROFUND ADVISORS LLC | 9,214 | $290.6K | 0.01% | 2025-12-31 |
| 111 | Invesco Ltd. | 8,987 | $283.4K | 0.01% | 2025-12-31 |
| 112 | SIMPLEX TRADING, LLC | 8,925 | $281.5K | 0.01% | 2025-12-31 |
| 113 | Virtus Investment Advisers, LLC | 8,910 | $281.0K | 0.01% | 2025-12-31 |
| 114 | Walleye Capital LLC | 15,176 | $265.6K | 0.02% | 2025-09-30 |
| 115 | SILVERARC CAPITAL MANAGEMENT, LLC | 15,000 | $262.5K | 0.02% | 2025-09-30 |
| 116 | Rafferty Asset Management, LLC | 8,113 | $255.9K | 0.01% | 2025-12-31 |
| 117 | SEI INVESTMENTS CO | 7,657 | $241.5K | 0.01% | 2025-12-31 |
| 118 | Police & Firemen's Retirement System of New Jersey | 7,520 | $237.2K | 0.01% | 2025-12-31 |
| 119 | ProShare Advisors LLC | 7,187 | $226.7K | 0.01% | 2025-12-31 |
| 120 | LOS ANGELES CAPITAL MANAGEMENT LLC | 10,360 | $225.7K | 0.02% | 2025-12-31 |
| 121 | INTECH INVESTMENT MANAGEMENT LLC | 6,858 | $216.3K | 0.01% | 2025-12-31 |
| 122 | BNP PARIBAS FINANCIAL MARKETS | 6,784 | $214.0K | 0.01% | 2025-12-31 |
| 123 | AXQ CAPITAL, LP | 6,463 | $203.8K | 0.01% | 2025-12-31 |
| 124 | Man Group plc | 10,225 | $178.9K | 0.01% | 2025-09-30 |
| 125 | PRELUDE CAPITAL MANAGEMENT, LLC | 15,617 | $178.2K | 0.03% | 2025-06-30 |
| 126 | Symmetry Investments LP | 10,000 | $175.0K | 0.01% | 2025-09-30 |
| 127 | NEW YORK STATE COMMON RETIREMENT FUND | 4,300 | $135.6K | 0.00% | 2025-12-31 |
| 128 | Quarry LP | 6,499 | $113.7K | 0.01% | 2025-09-30 |
| 129 | Tower Research Capital LLC (TRC) | 3,416 | $107.7K | 0.00% | 2025-12-31 |
| 130 | Rockefeller Capital Management L.P. | 3,000 | $94.6K | 0.00% | 2025-12-31 |
| 131 | Legal & General Group Plc | 2,539 | $80.1K | 0.00% | 2025-12-31 |
| 132 | Ameritas Investment Partners, Inc. | 2,312 | $72.9K | 0.00% | 2025-12-31 |
| 133 | Russell Investments Group, Ltd. | 2,249 | $70.9K | 0.00% | 2025-12-31 |
| 134 | Mirae Asset Global Investments Co., Ltd. | 2,182 | $68.8K | 0.00% | 2025-12-31 |
| 135 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1,754 | $55.3K | 0.00% | 2025-12-31 |
| 136 | Sterling Capital Management LLC | 1,641 | $51.8K | 0.00% | 2025-12-31 |
| 137 | NISA INVESTMENT ADVISORS, LLC | 1,592 | $50.2K | 0.00% | 2025-12-31 |
| 138 | GF FUND MANAGEMENT CO. LTD. | 882 | $27.8K | 0.00% | 2025-12-31 |
| 139 | PRICE T ROWE ASSOCIATES INC /MD/ | 793,318 | $25.0K | 1.54% | 2025-12-31 |
| 140 | STRS OHIO | 700 | $22.1K | 0.00% | 2025-12-31 |
| 141 | Royal Bank of Canada | 625 | $20.0K | 0.00% | 2025-12-31 |
| 142 | US BANCORP \DE\ | 312 | $9.8K | 0.00% | 2025-12-31 |
| 143 | GAMMA Investing LLC | 299 | $9.4K | 0.00% | 2025-12-31 |
| 144 | RAYMOND JAMES FINANCIAL INC | 761 | $8.7K | 0.00% | 2025-06-30 |
| 145 | Aster Capital Management (DIFC) Ltd | 265 | $8.4K | 0.00% | 2025-12-31 |
| 146 | Arax Advisory Partners | 398 | $7.0K | 0.00% | 2025-09-30 |
| 147 | SIGNATUREFD, LLC | 179 | $5.6K | 0.00% | 2025-12-31 |
| 148 | Caitong International Asset Management Co., Ltd | 154 | $4.9K | 0.00% | 2025-12-31 |
| 149 | Physician Wealth Advisors, Inc. | 109 | $3.4K | 0.00% | 2025-12-31 |
| 150 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 100 | $3.2K | 0.00% | 2025-12-31 |
| 151 | PNC Financial Services Group, Inc. | 94 | $3.0K | 0.00% | 2025-12-31 |
| 152 | JONES FINANCIAL COMPANIES LLLP | 80 | $2.5K | 0.00% | 2025-12-31 |
| 153 | Parallel Advisors, LLC | 61 | $1.9K | 0.00% | 2025-12-31 |
| 154 | Allworth Financial LP | 52 | $1.6K | 0.00% | 2025-12-31 |
| 155 | ACADIAN ASSET MANAGEMENT LLC | 48,614 | $1.5K | 0.09% | 2025-12-31 |
| 156 | Washington Trust Advisors, Inc. | 83 | $1.5K | 0.00% | 2025-09-30 |
| 157 | COMERICA BANK | 76 | $1.3K | 0.00% | 2025-09-30 |
| 158 | Rise Advisors, LLC | 68 | $1.2K | 0.00% | 2025-09-30 |
| 159 | Cornerstone Financial Management LLC | 34 | $1.1K | 0.00% | 2025-12-31 |
| 160 | EverSource Wealth Advisors, LLC | 25 | $789 | 0.00% | 2025-12-31 |
| 161 | ROTHSCHILD INVESTMENT LLC | 24 | $757 | 0.00% | 2025-12-31 |
| 162 | GSA CAPITAL PARTNERS LLP | 19,295 | $609 | 0.03% | 2025-12-31 |
| 163 | Global Retirement Partners, LLC | 19 | $599 | 0.00% | 2025-12-31 |
| 164 | Farther Finance Advisors, LLC | 10 | $315 | 0.00% | 2025-12-31 |
| 165 | SBI Securities Co., Ltd. | 9 | $284 | 0.00% | 2025-12-31 |
| 166 | SG Americas Securities, LLC | 4,765 | $150 | 0.00% | 2025-12-31 |
| 167 | True Wealth Design, LLC | 2 | $64 | 0.00% | 2025-12-31 |
| 168 | CWM, LLC | 1,784 | $56 | 0.00% | 2025-12-31 |
| 169 | IFP Advisors, Inc | 1 | $32 | 0.00% | 2025-12-31 |
| 170 | AMALGAMATED BANK | 895 | $28 | 0.00% | 2025-12-31 |
| 171 | FNY Investment Advisers, LLC | 1,575 | $27 | 0.00% | 2025-12-31 |
| 172 | Daiwa Securities Group Inc. | 150 | $5 | 0.00% | 2025-12-31 |