Private Market View

Diagonal Therapeutics

Drug Discovery · Watertown, MA · Founded 2022 · Privately Held (backing)

Last price · $/share
Implied valuation
$458.5M
Total raised
$271.3M
Last round
Early Stage VC (Series B)
Jan 2026
What is Diagonal Therapeutics worth?
$458.5Mlast known valuation

Diagonal Therapeutics last raised $125.0M in its Early Stage VC (Series B) (Jan 2026).

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Funding history

2 rounds
DateRoundRaisedPost-money
Jan 2026Early Stage VC (Series B)$125.0M
Apr 2024Early Stage VC (Series A)$128.0M

How Diagonal Therapeutics'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 Diagonal Therapeutics, too few pricing signals exist to publish a composite mark; the figures above reflect the most recent observed valuation event. Full methodology →

Frequently asked

What is Diagonal Therapeutics worth?
Diagonal Therapeutics's last known valuation is $458.5M.
How much has Diagonal Therapeutics raised?
Diagonal Therapeutics has raised $271.3M in total funding across 2 recorded rounds.
When did Diagonal Therapeutics last raise?
Diagonal Therapeutics last raised in Jan 2026 (Early Stage VC (Series B)), raising $125.0M.