Solarea Bio

Drug Discovery · Waltham, MA · Founded 2017 · Privately Held (backing)

Developer of microbiome-based health products designed to address age-related inflammatory conditions and improve overall health. Solarea Bio is based in Waltham, MA and was founded in 2017. It was valued at $37 million at its later-stage round in Nov 2025, the last priced event on record. It has raised $37.4 million across 4 recorded rounds; the latest was a $9.9 million early-stage round in Nov 2025.

PMV mark · valuation
$37.0M
Oct 2026
Priced at
its later-stage round
Nov 2025
Total raised
$37.4M
Last round
Early Stage VC
Nov 2025
What is Solarea Bio worth?
$37.0MPrivateMarketView mark · Oct 2026

Valued at $37.0M at its later-stage round, Nov 2025. Nothing has traded since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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Solarea Bio funding history

4 rounds
DateRoundRaisedPost-money
Nov 2025Early Stage VC$9.9M▮
Aug 2024Seed Round$1.0M▮
May 2023Later Stage VC (Series B)$15.0M▮
Sep 2020Early Stage VC (Series A)$11.3M▮
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Solarea Bio valuation

Solarea Bio was valued at $37 million at its later-stage round in Nov 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Solarea Bio raised?

Solarea Bio has raised $37.4 million across 4 recorded rounds since 2020. The largest was a $9.9 million early-stage round in Nov 2025.

Solarea Bio has filed 4 Form Ds with the SEC since 2020, most recently in Nov 2025 ($9.9 million sold to 5 investors).

Comparable companies

Comparable drug discovery names by valuation on PrivateMarketView: Hinge Bio ($46 million), ParcelBio ($41.2 million) and Persephone Biosciences ($37.3 million).

How Solarea 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 Solarea Bio, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by its last priced round. Question about this number? Full methodology →

Frequently asked about Solarea Bio

What is Solarea Bio worth?
Solarea Bio is valued at $37.0M as of Oct 2026. Valued at $37.0M at its later-stage round, Nov 2025. Nothing has traded since.
How much has Solarea Bio raised?
Solarea Bio has raised $37.4M in total funding across 4 recorded rounds.
When did Solarea Bio last raise?
Solarea Bio last raised in Nov 2025 (Early Stage VC), raising $9.9M.