13F

Investor

Frazier Life Sciences Management, L.P.

CIK 0001892134 · filed 2026-05-15 · SEC filing

13F book

$3.89B

Positions

38

4 new · 6 sold

Largest name

18.3%

Mirum Pharmaceuticals, Inc. · MIRM

Est. mark

$121.7M

Price effect on 34 names still held. Flow $41.7M.
NameTickerSharesValueWeightEst. markChange
Mirum Pharmaceuticals, Inc.MIRM7.68M$709.4M18.3%$91MAdded$172.7M
Newamsterdam Pharma Company16.9M$542.4M14.0%−$52MHeld
Erasca, Inc.ERAS24.7M$399.2M10.3%$283.2MAdded$314.7M
BridgeBio Pharma, Inc.BBIO3.45M$256.1M6.6%−$7.69MCut−$15.1M
Arcutis Biotherapeutics, Inc.ARQT9.87M$232.6M6.0%−$54.1MHeld
MBX Biosciences, Inc.MBX6.65M$198.6M5.1%−$11.2MHeld
Phathom Pharmaceuticals, Inc.PHAT12.5M$138.5M3.6%−$68.3MHeld
Maze Therapeutics, Inc.MAZE4.57M$136.3M3.5%−$52.9MHeld
Krystal Biotech, Inc.KRYS481.3K$124.3M3.2%$5.67MCut$3.91M
Trevi Therapeutics, Inc.TRVI9.94M$118.6M3.1%−$5.86MCut−$9.87M
Palvella Therapeutics Inc Ne882.4K$110M2.8%$14.4MAdded$34.4M
Kalvista Pharmaceuticals Inc4.96M$99.9M2.6%$19.7MCut$18.5M
Disc Medicine, Inc.IRON1.35M$86.6M2.2%−$19.5MAdded−$13.4M
Cytokinetics IncCYTK1.16M$76.4M2.0%$2.22MAdded$17.1M
Revolution Medicines Inc675.7K$65.7M1.7%$11.9MCut$2.19M
Dyne Therapeutics, Inc.DYN3.15M$57.2M1.5%−$4.51MHeld
Savara IncSVRA9.72M$53.1M1.4%−$5.54MCut−$6.39M
Tarsus Pharmaceuticals, Inc.TARS728.6K$51.1M1.3%−$8.55MHeld
Vor Biopharma Inc.VOR2.54M$45.4M1.2%$12.1MHeld
Agios Pharmaceuticals, Inc.AGIO1.26M$42.5M1.1%$8.3MCut$7.66M
Biocryst Pharmaceuticals IncBCRX4.01M$38.2M1.0%New
Zai Lab LtdZLAB1.9M$35.8M0.9%$2.23MHeld
Aura Biosciences, Inc.AURA5.1M$34.1M0.9%$6.32MHeld
Acadia Pharmaceuticals IncACAD1.44M$32M0.8%−$5.77MAdded−$2.63M
Ascendis Pharma A/SASND133.3K$30.5M0.8%$2.07MHeld
Lexeo Therapeutics, Inc.LXEO4.42M$25.4M0.7%−$18.5MHeld
Alkermes plc.ALKS700.6K$24.8M0.6%$5.17MHeld
Aclaris Therapeutics, Inc.ACRS4.93M$18.5M0.5%New
Monte Rosa Therapeutics, Inc.GLUE1M$16.4M0.4%New
Immunocore Hldgs Plc484.8K$14.6M0.4%−$1.75MAdded$1.26M
Mannkind CorpMNKD5.9M$14.5M0.4%−$13.6MAdded−$9.5M
Valneva SeVALN2.29M$14.3M0.4%−$5.89MHeld
Evolus, Inc.EOLS2.63M$10.8M0.3%−$6.68MHeld
Newamsterdam Pharma Company500.3K$10M0.3%−$1.48MHeld
Allogene Therapeutics, Inc.ALLO3.8M$9.26M0.2%$4.06MCut$3.96M
Autolus Therapeutics PlcAUTL4.45M$6.14M0.2%−$2.71MCut−$3.06M
iBio, Inc.IBIO1.95M$3.71M0.1%−$58.6KHeld
Xilio Therapeutics, Inc.XLO422.5K$3.55M0.1%New

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.