MPM BIOIMPACT LLC 13F Holdings

CIK 0001687078 · BOSTON, MA

As of Sep 30, 2025, MPM BIOIMPACT LLC reported 40 positions worth $610.9M in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
MADRIGAL PHARMACEUTICALS INCMDGLHealthcare100,415$46.1M7.54%
CULLINAN THERAPEUTICS INCCGEMHealthcare7,648,268$45.4M7.42%
AVIDITY BIOSCIENCES INCRNAHealthcare760,022$33.1M5.42%
TREVI THERAPEUTICS INCTRVIHealthcare3,406,955$31.2M5.10%
EDGEWISE THERAPEUTICS INCEWTXHealthcare1,720,741$27.9M4.57%
PTC THERAPEUTICS INCPTCTHealthcare438,477$26.9M4.41%
ZAI LAB LTDZLABHealthcare745,060$25.3M4.13%
SYNDAX PHARMACEUTICALS INCSNDXHealthcare1,375,674$21.2M3.46%
ORIC PHARMACEUTICALS INCORICHealthcare1,729,378$20.8M3.40%
TARSUS PHARMACEUTICALS INCTARSHealthcare341,496$20.3M3.32%
XENON PHARMACEUTICALS INCXENEHealthcare503,398$20.2M3.31%
STOKE THERAPEUTICS INCSTOKHealthcare789,698 8.6M3.04%
DYNE THERAPEUTICS INCDYNHealthcare1,446,361 8.3M3.00%
COMPASS THERAPEUTICS INCCMPXHealthcare5,075,970 7.8M2.91%
ALKERMES PLCALKSHealthcare549,262 6.5M2.70%
VERA THERAPEUTICS INCVERAHealthcare563,075 6.4M2.68%
NATERA INCNTRAHealthcare98,924 5.9M2.61%
JANUX THERAPEUTICS INCJANXHealthcare614,282 5.0M2.46%
REVOLUTION MEDICINES INCRVMDHealthcare315,722 4.7M2.41%
CONTEXT THERAPEUTICS INCCNTX—14,705,882 4.2M2.33%
SAREPTA THERAPEUTICS INCSRPTHealthcare700,000 3.5M2.21%
ARS PHARMACEUTICALS INCSPRYHealthcare1,303,399 3.1M2.14%
ROCKET PHARMACEUTICALS INCRCKTHealthcare3,903,381 2.7M2.08%
RELAY THERAPEUTICS INCRLAYHealthcare2,282,680 1.9M1.95%
ULTRAGENYX PHARMACEUTICAL INCRAREHealthcare395,700 1.9M1.95%