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MPM BioImpact LLC

Period ended Jun 30, 2026 · Latest filing Aug 14, 2026

These quarterly holdings are delayed and may not include all assets or short positions. Values are from the reporting date, not current prices or purchase costs. The same security may appear in multiple rows.

Source: SEC

Reported portfolio value

Quarter-end reported holdings; not current value or investment performance.

View reported values
  • Jun 30, 2026: $1,639,957,110

More quarters will appear as history becomes available.

Top holdings

Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.

View top holdings values
  1. Cullinan Therapeutics, Inc. · 230031106 · 230031106 · shares: $177,207,720
  2. Aktis Oncology, Inc. · 01021M104 · 01021M104 · shares: $155,860,155
  3. Liquidia Corporation · 53635D202 · 53635D202 · shares: $110,519,653
  4. Revolution Medicines, Inc. · 76155X100 · 76155X100 · shares: $92,232,216
  5. Corcept Therapeutics, Inc. · 218352102 · 218352102 · shares: $67,040,885
  6. Edgewise Therapeutics Inc · 28036F105 · 28036F105 · shares: $65,852,291
  7. Travere Therapeutics Inc · 89422G107 · 89422G107 · shares: $63,782,348
  8. DBV Technologies S A · 23306J309 · 23306J309 · shares: $60,127,058
  9. Trevi Therapeutics Inc · 89532M101 · 89532M101 · shares: $57,322,211
  10. Alumis Inc · 022307102 · 022307102 · shares: $56,815,223

Reported holdings

37 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
Cullinan Therapeutics, Inc.230031106230031106 — 9,731,341 shares $177,207,720
Aktis Oncology, Inc.01021M10401021M104 — 4,835,872 shares $155,860,155
Liquidia Corporation53635D20253635D202 — 1,386,174 shares $110,519,653
Revolution Medicines, Inc.76155X10076155X100 — 492,483 shares $92,232,216
Corcept Therapeutics, Inc.218352102218352102 — 771,028 shares $67,040,885
Edgewise Therapeutics Inc28036F10528036F105 — 1,620,780 shares $65,852,291
Travere Therapeutics Inc89422G10789422G107 — 1,122,731 shares $63,782,348
DBV Technologies S A23306J30923306J309 — 3,666,284 shares $60,127,058
Trevi Therapeutics Inc89532M10189532M101 — 3,073,577 shares $57,322,211
Alumis Inc022307102022307102 — 2,019,020 shares $56,815,223
Uniqure NVN90064101N90064101 — 1,225,855 shares $56,462,881
Ultragenyx Pharmaceuticals, Inc.90400D10890400D108 — 1,418,215 shares $47,354,199
Relay Therapeutics Inc.75943R10275943R102 — 2,415,672 shares $45,197,223
Abivax SA00370M10300370M103 — 336,347 shares $44,821,601
Dyne Therapeutics, Inc.26818M10826818M108 — 1,922,093 shares $42,689,686
Dianthus Therapeutics Inc252828108252828108 — 420,002 shares $40,941,795
BIOAGE Labs Inc09077V10009077V100 — 1,667,661 shares $40,874,371
Urogen Pharma LtdM96088105M96088105 — 933,415 shares $34,349,672
MoonLake Immunotherapeutics61559X10461559X104 — 1,606,967 shares $31,287,647
Palvella Therapeutics Inc697947109697947109 — 204,027 shares $31,179,406
Taysha Gene Therapies, Inc.877619106877619106 — 4,500,000 shares $30,645,000
Syndax Pharmaceuticals Inc87164F10587164F105 — 1,333,523 shares $29,150,813
Monte Rosa Therapeutics Inc61225M10261225M102 — 1,161,081 shares $28,098,160
Zura Bio Ltd.G9TY5A101G9TY5A101 — 4,472,843 shares $26,389,774
Natera Inc632307104632307104 — 92,638 shares $25,146,585
Stoke Therapeutics Inc86150R10786150R107 — 723,314 shares $23,666,834
Adlai Nortye Ltd00704R10900704R109 — 1,936,291 shares $22,267,347
Belite Bio Inc07782B10407782B104 — 137,208 shares $21,127,974
Forte Biosciences, Inc.34962G20834962G208 — 987,448 shares $20,983,270
Oric Pharmaceuticals Inc68622P10968622P109 — 1,882,162 shares $20,383,814
Tarsus Pharmaceuticals Inc87650L10387650L103 — 322,007 shares $20,267,121
Annexon Inc03589W10203589W102 — 3,544,354 shares $20,238,261
Bright Minds Biosciences Inc10919W40510919W405 — 202,114 shares $14,188,403
Entrada Therapeutics, Inc.29384C10829384C108 — 1,253,053 shares $9,222,470
Aclaris Therapeutics Inc00461U10500461U105 — 1,042,467 shares $5,514,650
Context Therapeutics Inc21077P10821077P108 — 1,299,046 shares $719,542
Werewolf Therapeutics, Inc.95075A10795075A107 — 80,142 shares $28,851