Transition Bio

Cambridge, MA · Founded 2020 · Privately Held (backing)

Operator of a biotechnology company intended to build a hypothesis-free drug discovery and diagnostics platform for human health care advancement. Transition Bio is based in Cambridge, MA and was founded in 2020. Its last known valuation is $26.8 million. It has raised $76.5 million across 3 recorded rounds; the latest was a $13.3 million early-stage round in Oct 2024.

Last price · $/share
—
Implied valuation
$26.8M
Total raised
$76.5M
Last round
Early Stage VC
Oct 2024
What is Transition Bio worth?
$26.8Mlast known valuation

Transition Bio last raised $13.3M in its Early Stage VC (Oct 2024).

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Transition Bio funding history

3 rounds
DateRoundRaisedPost-money
Oct 2024Early Stage VC$13.3M▮
Dec 2023Early Stage VC$6.0M▮
Mar 2022Early Stage VC$39.1M▮
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Transition Bio valuation

Transition Bio's last known valuation is $26.8 million. The figure stands until a priced round, a secondary trade or an institutional fund mark prices the stock again.

How much has Transition Bio raised?

Transition Bio has raised $76.5 million across 3 recorded rounds since 2022. The largest was a $6 million early-stage round in Dec 2023; the most recent was a $13.3 million early-stage round in Oct 2024.

Transition Bio has filed 4 Form Ds with the SEC since 2022, most recently in Oct 2024 ($13.3 million sold to 8 investors).

How Transition Bio's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For Transition Bio, too few pricing signals exist to publish a composite mark; the figures above reflect the most recent observed valuation event. Full methodology →

Frequently asked about Transition Bio

What is Transition Bio worth?
Transition Bio's last known valuation is $26.8M.
How much has Transition Bio raised?
Transition Bio has raised $76.5M in total funding across 3 recorded rounds.
When did Transition Bio last raise?
Transition Bio last raised in Oct 2024 (Early Stage VC), raising $13.3M.