13F

Investor

MPM BIOIMPACT LLC

CIK 0001687078 · filed 2026-05-15 · SEC filing

13F book

$1.29B

Positions

41

11 new · 8 sold

Largest name

8.4%

Dbv Technologies S A

Est. mark

$117M

Price effect on 30 names still held. Flow $303.9M.
NameTickerSharesValueWeightEst. markChange
Dbv Technologies S A5.21M$108.9M8.4%$1.71MAdded$89.8M
Cullinan Therapeutics, Inc.CGEM7.65M$108.7M8.4%$29.5MHeld
Aktis Oncology, Inc.AKTS4.84M$86.5M6.7%New
Liquidia CorpLQDA1.41M$53M4.1%$4.55MAdded$4.71M
Alumis Inc.ALMS2.39M$52.6M4.1%$29.3MCut$29.1M
Edgewise Therapeutics, Inc.EWTX1.66M$52.3M4.0%$11.1MAdded$11.2M
Revolution Medicines Inc506.8K$49.3M3.8%$8.9MAdded$9.01M
Agios Pharmaceuticals, Inc.AGIO1.31M$44.2M3.4%$8.62MAdded$8.71M
Corcept Therapeutics IncCORT985.7K$39.7M3.1%New
Trevi Therapeutics, Inc.TRVI3.3M$39.4M3.0%−$1.94MAdded−$1.8M
Dianthus Therapeutics Inc424K$35.6M2.7%New
Xenon Pharmaceuticals Inc.XENE588.7K$34.2M2.6%$6.47MAdded$12.5M
Moonlake ImmunotherapeuticsMLTX1.81M$33.8M2.6%New
Travere Therapeutics, Inc.TVTX1.13M$33.7M2.6%New
Evommune, Inc.EVMN1.46M$33.5M2.6%$663.4KAdded$31.5M
Cytokinetics IncCYTK500K$33M2.5%New
Syndax Pharmaceuticals IncSNDX1.34M$31.3M2.4%$3.14MAdded$3.21M
Context Therapeutics Inc.CNTX10.7M$28M2.2%$12.3MHeld
Forte Biosciences, Inc.FBRX1M$25.9M2.0%New
Palvella Therapeutics Inc Ne206.4K$25.7M2.0%$4.11MAdded$4.19M
Dyne Therapeutics, Inc.DYN1.41M$25.5M2.0%−$2.01MAdded−$1.96M
Stoke Therapeutics, Inc.STOK767K$25M1.9%$629KCut$525.8K
Corvus Pharmaceuticals, Inc.CRVS1.67M$24.5M1.9%$11.6MCut$3.38M
Relay Therapeutics, Inc.RLAY2.36M$23.5M1.8%$3.33MAdded$4.59M
Tarsus Pharmaceuticals, Inc.TARS329.8K$23.1M1.8%−$3.86MAdded−$3.8M
Oric Pharmaceuticals, Inc.ORIC1.8M$22.9M1.8%$8.08MAdded$8.14M
Uniqure Nv1.37M$22.4M1.7%−$10.4MCut−$10.7M
Monte Rosa Therapeutics, Inc.GLUE1.18M$19.4M1.5%$903.5KAdded$961.9K
Natera, Inc.NTRA93.1K$18.6M1.4%−$2.71MCut−$2.82M
Climb Bio, Inc.CLYM2.59M$17.8M1.4%$7.39MCut$7.08M
Arcutis Biotherapeutics, Inc.ARQT734K$17.3M1.3%−$2.91MAdded$1.87M
UroGen Pharma Ltd.URGN943.8K$17M1.3%−$5.12MAdded−$5.08M
Bright Minds Biosciences Inc.DRUG212.2K$15.5M1.2%−$1.08MCut−$2.48M
Zymeworks Inc.ZYME565.2K$14.2M1.1%New
Belite Bio, IncBLTE88K$14M1.1%−$45.6KAdded−$195
Viridian Therapeutics Inc649.9K$12.7M1.0%New
Engene Holdings Inc1.85M$12.6M1.0%−$4.09MAdded−$4.06M
Abivax Sa107.3K$11.9M0.9%−$1.32MAdded$4.35M
Allogene Therapeutics, Inc.ALLO2.24M$5.47M0.4%New
Aclaris Therapeutics, Inc.ACRS391.9K$1.47M0.1%New
Werewolf Therapeutics, Inc.HOWL1.21M$1.01M0.1%$240.1KCut$122.9K

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.