Fundraising Fox

Atlas Venture2025 Investments

5 investments dated 2025 · listed companies and verified rows first · show all

Affinia Therapeuticsaffiniatx.cominOct 2025

Affinia Therapeutics develops genetically engineered adeno-associated virus (AAV) therapies for treating genetic diseases, focusing initially on cardiovascular and central nervous system conditions.

AI & Machine LearningBiotechDeep TechWaltham, US

Carole Faig(Director)Rami Daoud(Executive Officer)Diana Brainard(Director)Rick Modi(Executive Officer, Director)Luc Vandenberghe(Director)Elliott Sigal(Director)

Board seatDavid Grayzel· per SEC Form D

Antares TherapeuticsMay 2025SEC filingmedium confidence

BiotechBoston, US

Andrew Fedder(Executive Officer, Director)Adam Friedman(Executive Officer, Director)Brian Piper(Executive Officer, Director)

Board seatJean-François Formela· per SEC Form D · $136.7M raise · filed May 2025

Ikena Oncology, Inc.Jul 2025SEC filingmedium confidence

BiotechBoston, US

Richard Wooster(Director)Jotin Marango(Executive Officer)Jean-Francois Formela(Director)Mark Manfredi(Executive Officer, Director)Jeffrey Ecsedy(Executive Officer)Owen Hughes(Director)

Board seatJean-François Formela· per SEC Form D · $75M raise · filed Jul 2025

Renasant Bioin𝕏Jul 2025SEC filingmedium confidence

BiotechBerkeley, US

Evan Caplan(Director)Natalie Holles(Director)Charlotte McKee(Director)Thomas Gustafson(Executive Officer)Anna French(Director)Emily Conley(Executive Officer, Director)

Board seatKevin Bitterman· per SEC Form D · $30M raise · filed Jul 2025

Triana Biomedicines, Inc.Dec 2025SEC filingmedium confidence

Lexington, US

Board seatDavid Grayzel· per SEC Form D · $120.1M raise · filed Dec 2025

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.