Woodline Partners is a San Francisco-based hedge fund manager founded in 2018 by former Citadel portfolio managers Michael Rockefeller and Karl Kroeker. The firm implements a fundamental sub-sector equity strategy with a long/short market-neutral approach, investing primarily in equity and equity-related securities across North American, European, and Asian markets.
86% of their portfolio is in Biotech & Life Sciences. Average disclosed round size is $141.3M (across 7 rounds with reported amounts).
Portfolio
6
Fund Size
—
Top Stage
Unknown
Last 12 Mo
0
Team
MR
Mike Rockefeller
Co-Chief Investment Officer
VS
Vivek Srivastava
Investor
AK
Aneesh Kapur
Portfolio Manager
CC
Colby Chambers
Portfolio Manager
EW
Elliott Wilson
Portfolio Manager
Portfolio Breakdown
Stage Distribution
Investment Activity
DealsAvg Round Size
Portfolio
7 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Diagonal Therapeutics | Series B | $125M | Jan 2026 |
 Endeavor Biomedicines | Unknown | $132.5M | Apr 2024 |
 Obsidian Therapeutics | Series C | $160.5M | Apr 2024 |
 Odyssey Therapeutics | Series B | $168M | Oct 2022 |
| Odyssey Therapeutics | Unknown | $168M | Jan 2022 |
 ShouTi | Series B | $100M | Jan 2022 |
 Vividion Therapeutics | Unknown | $135M | — |
Top Co-Investors
Logos Capital5 shared
Alexandria Venture Investments3 shared
Foresite Capital3 shared
Janus Henderson Investors3 shared
RA Capital Management3 shared
Surveyor Capital3 shared
Catalio Capital Management2 shared
Colt Ventures2 shared
SR One2 shared
General Catalyst2 shared
OrbiMed2 shared
Walleye Capital2 shared
HBM Healthcare Investments2 shared
Atlas Venture2 shared
Deep Track Capital2 shared
Casdin Capital2 shared
BVF Partners L.P.2 shared
Redpoint Ventures1 shared
TPG Biotech1 shared
Last updated: 20 October 2026