Fund Holdings — MPM BioImpact LLC

Total Portfolio Value
$1.64B
Total Bought
$350.88M
Total Sold
$612.52M
Net Transaction
-$261.64M
Filing Period:
Securities
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SharesValue ($K)
Q1 2026
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Q2 2026
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Change
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Q1 2026
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Q2 2026
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Weight (%)
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Change
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Aktis Oncology, Inc.(AKTS)4,835,8724,835,872086,514155,8609.50%+69,346
Cullinan Therapeutics, Inc.(CGEM)7,648,2689,731,341+2,083,073108,682177,20810.81%+68,526
Liquidia Corporation(LQDA)1,405,1581,386,174-18,98453,031110,5206.74%+57,489
Ultragenyx Pharmaceuticals, Inc.(RARE)01,418,215+1,418,215047,3542.89%+47,354
Revolution Medicines, Inc.(RVMD)506,776492,483-14,29349,28492,2325.62%+42,948
BIOAGE Labs Inc(BIOA)01,667,661+1,667,661040,8742.49%+40,874
Uniqure NV(QURE)1,369,2311,225,855-143,37622,38756,4633.44%+34,076
Abivax SA(ABVX)107,268336,347+229,07911,94444,8222.73%+32,877
Taysha Gene Therapies, Inc.(TSHA)04,500,000+4,500,000030,6451.87%+30,645
Travere Therapeutics Inc(TVTX)1,133,3651,122,731-10,63433,67263,7823.89%+30,110
Corcept Therapeutics, Inc.(CORT)985,700771,028-214,67239,73467,0414.09%+27,307
Zura Bio Ltd.(ZURA)04,472,843+4,472,843026,3901.61%+26,390
Adlai Nortye Ltd(ANL)01,936,291+1,936,291022,2671.36%+22,267
Relay Therapeutics Inc.(RLAY)2,359,5862,415,672+56,08623,47845,1972.76%+21,719
Annexon Inc(ANNX)03,544,354+3,544,354020,2381.23%+20,238
Trevi Therapeutics Inc(TRVI)3,298,4303,073,577-224,85339,35057,3223.50%+17,972
Urogen Pharma Ltd(URGN)943,803933,415-10,38816,97034,3502.09%+17,380
Dyne Therapeutics, Inc.(DYN)1,408,1521,922,093+513,94125,53042,6902.60%+17,160
Edgewise Therapeutics Inc(EWTX)1,660,6961,620,780-39,91652,31265,8524.02%+13,540
Entrada Therapeutics, Inc.(TRDA)01,253,053+1,253,05309,2220.56%+9,222
Monte Rosa Therapeutics Inc(GLUE)1,176,9281,161,081-15,84719,36028,0981.71%+8,738
Belite Bio Inc(BLTE)88,045137,208+49,16314,03821,1281.29%+7,090
Natera Inc(NTRA)93,07492,638-43618,61425,1471.53%+6,533
Palvella Therapeutics Inc(PVLA)206,404204,027-2,37725,72831,1791.90%+5,451
Dianthus Therapeutics Inc(DNTH)423,982420,002-3,98035,58140,9422.50%+5,361
Alumis Inc2,386,5292,019,020-367,50952,57556,8153.46%+4,240
Aclaris Therapeutics Inc(ACRS)391,9181,042,467+650,5491,4705,5150.34%+4,045
Werewolf Therapeutics, Inc.(HOWL)1,208,81080,142-1,128,6681,006290.00%-978
Bright Minds Biosciences Inc(DRUG)212,175202,114-10,06115,48214,1880.87%-1,294
Stoke Therapeutics Inc(STOK)767,038723,314-43,72424,97523,6671.44%-1,308
Syndax Pharmaceuticals Inc(SNDX)1,340,7331,333,523-7,21031,32029,1511.78%-2,169
MoonLake Immunotherapeutics(MLTX)1,811,0821,606,967-204,11533,75931,2881.91%-2,471
Oric Pharmaceuticals Inc(ORIC)1,803,9451,882,162+78,21722,85620,3841.24%-2,472
Tarsus Pharmaceuticals Inc(TARS)329,750322,007-7,74323,13220,2671.24%-2,865
Forte Biosciences, Inc.(FBRX)1,000,682987,448-13,23425,91820,9831.28%-4,934
Allogene Therapeutics, Inc.2,242,9330-2,242,9335,4730—-5,473
enGene Holdings, Inc.
COM
1,845,3730-1,845,37312,5670—-12,567
Viridian Therapeutics Inc(VRDN)649,8730-649,87312,7120—-12,712
Zymeworks, Inc.(ZYME)565,2490-565,24914,1540—-14,154
Arcutis Biotherapeutics Inc(ARQT)733,9660-733,96617,2920—-17,292
Climb Bio Inc(CLYM)2,593,4390-2,593,43917,7650—-17,765
Corvus Pharmaceuticals Inc(CRVS)1,674,8750-1,674,87524,5030—-24,503
Context Therapeutics Inc(CNTX)10,679,3911,299,046-9,380,34527,9807200.04%-27,260
Cytokinetics Inc(CYTK)500,0000-500,00032,9550—-32,955
Evommune Inc(EVMN)1,455,8630-1,455,86333,4700—-33,470
Xenon Pharmaceuticals Inc(XENE)588,7060-588,70634,2330—-34,233
Agios Pharmaceuticals Inc(AGIO)1,306,2610-1,306,26144,1910—-44,191
DBV Technologies S A(DBVT)5,213,3613,666,284-1,547,077108,90760,1273.67%-48,780
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