Antares Therapeutics

Boston, MA · Founded 2025 · Privately Held (backing)

Operator of a biotechnology company intended to develop first-in-class precision medicines targeting previously undruggable cancer and serious disease targets. Antares Therapeutics is based in Boston, MA and was founded in 2025. It is valued at about $299 million as of Oct 2026, set by institutional fund marks. It has raised $177 million across 2 recorded rounds; the latest was a $30 million early-stage round in May 2025.

PMV mark · valuation
$299.0M
Oct 2026
Priced at
its early-stage round
Apr 2025
Total raised
$177.0M
Last round
Early Stage VC
May 2025
What is Antares Therapeutics worth?
$299.0MPrivateMarketView mark · Oct 2026

Fund marks imply 5.1× the round — treated as a units change, held — shown at its early-stage round, Apr 2025 ($299.0M post-money).

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The prices on Antares Therapeutics
  • ·5 fund marks: filer, period, implied $/share
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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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Antares Therapeutics funding history

2 rounds
DateRoundRaisedPost-money
May 2025Early Stage VC$30.0M▮
Mar 2025Early Stage VC$40.0M▮
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Antares Therapeutics valuation

Antares Therapeutics is valued at approximately $299 million as of Oct 2026. The figure is set by institutional fund marks. The reference point is its early-stage round in Apr 2025, at a $299 million post-money valuation.

How much has Antares Therapeutics raised?

Antares Therapeutics has raised $177 million in total; 2 of its rounds are on record. The largest on record was a $40 million early-stage round in Mar 2025; the most recent was a $30 million early-stage round in May 2025.

Antares Therapeutics has filed 2 Form Ds with the SEC, most recently in May 2025 ($30 million sold to 35 investors).

Institutional holders and vehicles

1 SEC-registered fund reported 5 fair-value marks on Antares Therapeutics between May 2025 and May 2026, in their N-PORT filings. Filer-level marks and implied per-share values are available to Pro members.

How Antares 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 Antares Therapeutics, 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 institutional fund marks. Question about this number? Full methodology →

Frequently asked about Antares Therapeutics

What is Antares Therapeutics worth?
Antares Therapeutics is valued at $299.0M as of Oct 2026. Fund marks imply 5.1× the round — treated as a units change, held — shown at its early-stage round, Apr 2025 ($299.0M post-money).
How much has Antares Therapeutics raised?
Antares Therapeutics has raised $177.0M in total funding across 2 recorded rounds.
When did Antares Therapeutics last raise?
Antares Therapeutics last raised in May 2025 (Early Stage VC), raising $30.0M.