SiTration

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

Developer of a filtration-membrane platform designed to enable low-cost recovery of critical minerals from mining, refining, and recycling streams. SiTration is based in Cambridge, MA and was founded in 2020. Its last reported valuation was $35 million in May 2024. It has raised $17.7 million across 4 recorded rounds; the latest was a $3 million seed round in Jun 2025.

Last reported valuation
$35.0M
Oct 2026
Priced at
—
Total raised
$17.7M
Last round
Seed Round
Jun 2025
How much has SiTration raised?
$17.7Macross 4 recorded rounds · Mar 2022 – Jun 2025

Most recently, SiTration raised $3.0M in its Seed Round (Jun 2025).

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SiTration round by round

4 rounds
Jun 2025Seed Round$3.0MSEC filing▮
1 investors participated
May 2024Early Stage VC$11.8MSEC filing▮
7 investors participated
Jan 2024Seed Round$800KSEC filing▮
3 investors participated
Mar 2022Seed Round$2.5MSEC filing▮
5 investors participated

How much has SiTration raised?

SiTration has raised $17.7 million across 4 recorded rounds since 2022. The largest was an $800,000 seed round in Jan 2024; the most recent was a $3 million seed round in Jun 2025.

SiTration has filed 8 Form Ds with the SEC since 2020, most recently in Jul 2025 ($3 million sold to 1 investor).

SiTration investors

16 investors are on record for SiTration, including US National Science Foundation, Greentown Labs, SBXi and E14 Fund. The seed round in Jun 2025 drew 1 investor.

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16 investors have backed SiTration.

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Frequently asked about SiTration

How much has SiTration raised?
SiTration has raised $17.7M in total across 4 recorded funding rounds.
When was SiTration's last funding round?
SiTration's most recent recorded round was Seed Round in Jun 2025, raising $3.0M.