Atlas Venture Fund Xi, L.P. has bought stock on 4 days since Jun 2021
10% owner at Sionna Therapeutics, Inc., and 5 other companies
SEC CIK 0001708269 · Filings on SEC.gov ↗
Atlas Venture Fund Xi, L.P.'s record
3 months after each buy, from the first price a copier could get.
3 buys since 2021 with 3 months of prices.
Companies
Every filing
8 filings since Jun 2021, newest first
Sionna Therapeutics, Inc.
10% owner
Dyne Therapeutics, Inc.
10% owner
Dyne Therapeutics, Inc.
10% owner
Dyne Therapeutics, Inc.
10% owner
Third Harmonic Bio, Inc.
10% owner
Ikena Oncology, Inc.
10% owner
Xilio Therapeutics, Inc.
10% owner
Day One Biopharmaceuticals, Inc.
10% owner
About Atlas Venture Fund Xi, L.P.
Atlas Venture Fund XI, L.P. is a venture capital investment fund affiliated with Atlas Venture, an early-stage firm that creates and invests in biotechnology startups based in Cambridge, Massachusetts.( Atlas Venture Fund XI was closed as a $350 million vehicle focused exclusively on early‑stage biotech investing, continuing the firm’s strategy of seed-led venture creation in life sciences.( The fund operates as a pooled investment partnership rather than an operating company, and functions as one of Atlas Venture’s flagship life science funds.(
As a significant shareholder and 10% beneficial owner of Sionna Therapeutics, Inc. (NASDAQ: SION), Atlas Venture Fund XI, L.P. reports its holdings and transactions as a corporate insider under U.S. securities regulations.( Regulatory filings identify Atlas Venture Associates XI, L.P. as the fund’s general partner and Atlas Venture Associates XI, LLC as the general partner of that entity, reflecting a standard venture fund governance structure overseen by Atlas Venture’s investing partners and leadership team.( Fund XI is associated with Atlas investors including Kevin Bitterman, Bruce Booth, David Grayzel, Jason Rhodes, and Jean‑François Formela, who lead and manage its biotech investment portfolio.(
Written by Perplexity from public sources.
Filings come from SEC EDGAR. Not investment advice.