Fund Holdings — MPM BioImpact LLC

Total Portfolio Value
$1.29B
Total Bought
$533.42M
Total Sold
$201.37M
Net Transaction
+$332.06M
Filing Period:
Securities
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SharesValue ($K)
Q4 2025
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Q1 2026
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Change
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Q4 2025
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Q1 2026
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Weight (%)
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Change
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DBV Technologies S A(DBVT)996,8255,213,361+4,216,53619,109108,9078.41%+89,798
Aktis Oncology, Inc.(AKTS)04,835,872+4,835,872086,5146.68%+86,514
Corcept Therapeutics, Inc.(CORT)0985,700+985,700039,7343.07%+39,734
Dianthus Therapeutics Inc(DNTH)0423,982+423,982035,5812.75%+35,581
MoonLake Immunotherapeutics(MLTX)01,811,082+1,811,082033,7592.61%+33,759
Travere Therapeutics Inc(TVTX)01,133,365+1,133,365033,6722.60%+33,672
Cytokinetics Inc(CYTK)0500,000+500,000032,9552.54%+32,955
Evommune Inc(EVMN)113,0221,455,863+1,342,8411,93533,4702.58%+31,535
Cullinan Therapeutics, Inc.(CGEM)7,648,2687,648,268079,160108,6828.39%+29,522
Alumis Inc2,401,9922,386,529-15,46323,44352,5754.06%+29,132
Forte Biosciences, Inc.(FBRX)01,000,682+1,000,682025,9182.00%+25,918
Zymeworks, Inc.(ZYME)0565,249+565,249014,1541.09%+14,154
Viridian Therapeutics Inc(VRDN)0649,873+649,873012,7120.98%+12,712
Xenon Pharmaceuticals Inc(XENE)485,620588,706+103,08621,76534,2332.64%+12,468
Context Therapeutics Inc(CNTX)10,679,39110,679,391015,69927,9802.16%+12,281
Edgewise Therapeutics Inc(EWTX)1,655,2561,660,696+5,44041,07552,3124.04%+11,237
Revolution Medicines, Inc.(RVMD)505,672506,776+1,10440,27749,2843.81%+9,007
Agios Pharmaceuticals Inc(AGIO)1,303,3731,306,261+2,88835,47844,1913.41%+8,713
Oric Pharmaceuticals Inc(ORIC)1,798,7171,803,945+5,22814,71422,8561.77%+8,142
Climb Bio Inc(CLYM)2,671,4802,593,439-78,04110,68617,7651.37%+7,079
Allogene Therapeutics, Inc.02,242,933+2,242,93305,4730.42%+5,473
Liquidia Corporation(LQDA)1,400,8691,405,158+4,28948,31653,0314.10%+4,715
Relay Therapeutics Inc.(RLAY)2,232,4512,359,586+127,13518,88723,4781.81%+4,591
Abivax SA(ABVX)56,316107,268+50,9527,59411,9440.92%+4,350
Palvella Therapeutics Inc(PVLA)205,745206,404+65921,53525,7281.99%+4,193
Corvus Pharmaceuticals Inc(CRVS)2,743,6711,674,875-1,068,79621,12624,5031.89%+3,377
Syndax Pharmaceuticals Inc(SNDX)1,337,7021,340,733+3,03128,10531,3202.42%+3,214
Arcutis Biotherapeutics Inc(ARQT)531,200733,966+202,76615,42617,2921.34%+1,866
Aclaris Therapeutics Inc(ACRS)0391,918+391,91801,4700.11%+1,470
Monte Rosa Therapeutics Inc(GLUE)1,173,3761,176,928+3,55218,39919,3601.50%+962
Stoke Therapeutics Inc(STOK)770,289767,038-3,25124,44924,9751.93%+526
Werewolf Therapeutics, Inc.(HOWL)1,393,5571,208,810-184,7478841,0060.08%+123
Belite Bio Inc(BLTE)87,76088,045+28514,03814,0381.08%-0
Sarepta Therapeutics Inc(SRPT)70,0000-70,0001,5060—-1,506
Trevi Therapeutics Inc(TRVI)3,287,0873,298,430+11,34341,15439,3503.04%-1,804
Dyne Therapeutics, Inc.(DYN)1,405,3881,408,152+2,76427,48925,5301.97%-1,960
Bright Minds Biosciences Inc(DRUG)230,147212,175-17,97217,96115,4821.20%-2,478
Natera Inc(NTRA)93,55193,074-47721,43218,6141.44%-2,818
Maze Therapeutics Inc(MAZE)81,1450-81,1453,3620—-3,362
Tarsus Pharmaceuticals Inc(TARS)328,869329,750+88126,92823,1321.79%-3,796
enGene Holdings, Inc.
COM
1,840,8981,845,373+4,47516,62312,5670.97%-4,056
Urogen Pharma Ltd(URGN)941,378943,803+2,42522,04716,9701.31%-5,077
Rocket Pharmaceuticals, Inc.(RCKT)1,586,0760-1,586,0765,5670—-5,567
Uniqure NV(QURE)1,381,6281,369,231-12,39733,06222,3871.73%-10,675
RAPT Therapeutics Inc397,9060-397,90613,4770—-13,477
Ventyx Biosciences Inc1,639,0610-1,639,06114,8010—-14,801
Protagonist Therapeutics Inc199,4710-199,47117,4220—-17,422
PTC Therapeutics Inc(PTCT)430,0130-430,01332,6640—-32,664
Madrigal Pharmaceuticals Inc(MDGL)96,7800-96,78056,3590—-56,359
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