Aileron Therapeutics Funding: $58M Raised, Growth (2026)

Aileron Therapeutics is based in Watertown, MA. It has raised $58M in total funding. Latest round: Growth.

Aileron Therapeutics funding overview

Aileron Therapeutics is based in Watertown, MA. Aileron Therapeutics has raised $58M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Growth announced in May 2026. The round record for Aileron Therapeutics runs through 2026; nothing later has been disclosed. Investors on record include Apple Tree Partners, Roche Venture Fund, Novartis Venture Funds, Lilly Ventures, SR One, Excel Venture Management and 2 others. 8 distinct backers are named across the disclosed rounds.

Aileron Therapeutics at a glance

Total raised
$58M
Latest round
Growth
Latest round date
May 2026
Headquarters
Watertown, MA
Notable investors
Apple Tree Partners, Roche Venture Fund, Novartis Venture Funds, Lilly Ventures, SR One, Excel Venture Management, SR One Ltd., Excel Medical Fund

Frequently asked about Aileron Therapeutics funding

How much has Aileron Therapeutics raised?
Aileron Therapeutics has raised $58M in total disclosed funding across the rounds on record.
Who has invested in Aileron Therapeutics?
Apple Tree Partners, Roche Venture Fund, Novartis Venture Funds, Lilly Ventures, SR One, Excel Venture Management are named among the investors backing Aileron Therapeutics.
What was the latest Aileron Therapeutics funding round?
The most recent disclosed round is a Growth, announced in May 2026.
Where is Aileron Therapeutics based?
Aileron Therapeutics is based in Watertown, MA.
When did Aileron Therapeutics last raise?
The last disclosed Aileron Therapeutics round closed in May 2026 at Growth.

We update the Aileron Therapeutics record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related companies in Watertown and their backers are listed below.

Companies related to Aileron Therapeutics (31)

Browse related funding lists (6)

Company funding database · Investor directory · Founder database · Mega-rounds 2026