UnannouncedVCInvestor

EcoR1

Startup rounds since 2023 with a EcoR1 investor on the board, and the firm's own fund filings.

Raises
4
since 2023
Unannounced
0
no announcement found, of those filed since 2025
Funds
2
fund filings under the firm's name

Rounds

  1. Epikast Inc.$700KAnnounced5 Feb 2026 · Brooklyn, NY
  2. Aktis Oncology, Inc.$175MFiled before 20252 Oct 2024 · Boston, MA
  3. Scorpion Therapeutics, Inc.$126MFiled before 202516 Jul 2024 · Boston, MA
  4. Recode Therapeutics, Inc.$260MFiled before 202528 Sep 2023 · Menlo Park, CA

By year

YearRaisesUnannounced
202610
20242—
20231—

Raises are checked for an announcement from 2025 on.

Funds

The firm's own fund filings, each at its latest filing.

FundFiledSizeRaised
EcoR1 Venture Opportunity Offshore Fund, L.P.8 May 2020Open-ended$5.5M
EcoR1 Venture Opportunity Fund, LP9 Oct 2019Open-ended$78.4M

Listed because a EcoR1 fund's filing names a director of each company. A name match is not a verified identity.