Bain Capital Life Sciences Investors, LLC Top Holdings and 13F Report (2026) About Bain Capital Life Sciences Investors, LLCInvestment ActivityBain Capital Life Sciences Investors, LLC has $1.11 billion in total holdings as of March 31, 2026.Bain Capital Life Sciences Investors, LLC owns shares of 20 different stocks, but just 8 companies or ETFs make up 80% of its holdings.Approximately 6.77% of the portfolio was purchased this quarter.About 11.29% of the portfolio was sold this quarter.This quarter, Bain Capital Life Sciences Investors, LLC has purchased 19 new stocks and bought additional shares in 1 stock.Bain Capital Life Sciences Investors, LLC sold shares of 7 stocks and completely divested from 3 stocks this quarter.Largest Holdings HEARTFLOW INC $254,203,684NewAmsterdam Pharma $233,883,178Olema Pharmaceuticals $111,425,979Savara $96,099,391Pharvaris $75,583,129 Largest New Holdings this Quarter 152309100 - Centessa Pharmaceuticals $25,222,200 HoldingG01767105 - Alkermes $21,569,600 Holding254604101 - Disc Medicine $9,030,502 Holding98422T209 - XILIO THERAPEUTICS INC $5,584,417 Holding Largest Purchases this Quarter Centessa Pharmaceuticals 635,000 shares (about $25.22M)Alkermes 610,000 shares (about $21.57M)Solid Biosciences 1,897,150 shares (about $13.66M)Disc Medicine 141,234 shares (about $9.03M)XILIO THERAPEUTICS INC 664,021 shares (about $5.58M) Largest Sales this Quarter HEARTFLOW INC 2,000,000 shares (about $48.66M)DIANTHUS THERAPEUTICS INC 381,122 shares (about $31.98M)Olema Pharmaceuticals 1,035,403 shares (about $15.44M)UPSTREAM BIO INC 462,333 shares (about $4.16M)Pharvaris 126,572 shares (about $3.58M) Sector Allocation Over TimeMap of 500 Largest Holdings ofBain Capital Life Sciences Investors, LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorHEARTFLOW INC$254,203,684$48,660,000 â–¼-16.1%10,448,15822.9%COMNAMSNewAmsterdam Pharma$233,883,1780.0%7,306,56621.1%MedicalOLMAOlema Pharmaceuticals$111,425,979$15,437,859 â–¼-12.2%7,473,23810.0%MedicalSVRASavara$96,099,3910.0%17,600,6218.7%MedicalPHVSPharvaris$75,583,129$3,575,659 â–¼-4.5%2,675,5096.8%MedicalSLDBSolid Biosciences$70,623,497$13,659,480 â–²24.0%9,808,8196.4%MedicalX4 PHARMACEUTICALS INC$32,905,5850.0%7,967,4543.0%COM NEWDIANTHUS THERAPEUTICS INC$30,418,482$31,983,758 â–¼-51.3%362,4702.7%COMANNXAnnexon$28,878,214$201,628 â–¼-0.7%5,212,6742.6%MedicalKYVERNA THERAPEUTICS INC$26,839,3000.0%3,110,0002.4%COMCABACabaletta Bio$26,031,4660.0%9,677,1252.3%MedicalCNTACentessa Pharmaceuticals$25,222,200$25,222,200 â–²New Holding635,0002.3%MedicalALKSAlkermes$21,569,600$21,569,600 â–²New Holding610,0001.9%MedicalRPIDRapid Micro Biosystems$19,146,4510.0%8,434,5601.7%MedicalCCCCC4 Therapeutics$18,862,1230.0%7,171,9101.7%MedicalAVIRAtea Pharmaceuticals$12,700,232$672,500 â–¼-5.0%2,360,6381.1%MedicalIRONDisc Medicine$9,030,502$9,030,502 â–²New Holding141,2340.8%MedicalUPSTREAM BIO INC$7,804,899$4,160,997 â–¼-34.8%867,2110.7%COMXILIO THERAPEUTICS INC$5,584,417$5,584,417 â–²New Holding664,0210.5%COMNAMSWNewAmsterdam Pharma$2,003,9800.0%99,9990.2%MedicalMERSANA THERAPEUTICS INC$0$10,025,547 â–¼-100.0%00.0%COMTNGXTango Therapeutics$0$5,789,948 â–¼-100.0%00.0%MedicalXLOXilio Therapeutics$0$4,719,994 â–¼-100.0%00.0%MedicalShowing largest 100 holdings. View all holdings. More Institutional Buying and Selling Information SEC Filings and Trading Data SEC Filings 13F Filings Top 13F Buys Top 13F Sells Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. 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