Syntis Bio

Boston, MA · Founded 2022 · Privately Held (backing)

Developer of late-stage preclinical drugs designed for oral therapy for obesity, diabetes, and rare diseases. Syntis Bio is based in Boston, MA and was founded in 2022. It was valued at $67 million at its early-stage round in Jun 2025, the last priced event on record. It has raised $48.4 million across 3 recorded rounds; the latest was a $25 million early-stage round in Jun 2025.

PMV mark · valuation
$67.0M
Oct 2026
Priced at
its early-stage round
Jun 2025
Total raised
$48.4M
Last round
Early Stage VC
Jun 2025
How much has Syntis Bio raised?
$48.4Macross 3 recorded rounds · Aug 2022 – Jun 2025

Most recently, Syntis Bio raised $25.0M in its Early Stage VC (Jun 2025).

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Syntis Bio round by round

3 rounds
Jun 2025Early Stage VC$25.0MSEC filing▮
12 investors participated
Dec 2024Early Stage VC$6.3MSEC filing▮
9 investors participated
Aug 2022Early Stage VC$15.4MSEC filing▮
15 investors participated

How much has Syntis Bio raised?

Syntis Bio has raised $48.4 million across 3 recorded rounds since 2022. The largest was a $6.3 million early-stage round in Dec 2024; the most recent was a $25 million early-stage round in Jun 2025.

Syntis Bio has filed 4 Form Ds with the SEC since 2022, most recently in Jul 2025 ($25 million sold to 12 investors).

Syntis Bio investors

12 investors are on record for Syntis Bio, including National Institutes of Health, Sky9 Capital, Safar Partners and Woori Venture Partners. The early-stage round in Jun 2025 drew 12 investors.

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Frequently asked about Syntis Bio

How much has Syntis Bio raised?
Syntis Bio has raised $48.4M in total across 3 recorded funding rounds.
When was Syntis Bio's last funding round?
Syntis Bio's most recent recorded round was Early Stage VC in Jun 2025, raising $25.0M.