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
What is SiTration worth?
$35.0Mlast reported valuation · Oct 2026

SiTration's last reported valuation, May 2024. Nothing priced has surfaced 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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SiTration funding history

4 rounds
DateRoundRaisedPost-money
Jun 2025Seed Round$3.0M▮
May 2024Early Stage VC$11.8M▮
Jan 2024Seed Round$800K▮
Mar 2022Seed Round$2.5M▮
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SiTration valuation

SiTration's last reported valuation was $35 million in May 2024. No priced round, secondary trade or fund mark has surfaced since.

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).

How SiTration'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 SiTration, 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 last reported valuation. Question about this number? Full methodology →

Frequently asked about SiTration

What is SiTration worth?
SiTration is valued at $35.0M as of Oct 2026. SiTration's last reported valuation, May 2024. Nothing priced has surfaced since.
How much has SiTration raised?
SiTration has raised $17.7M in total funding across 4 recorded rounds.
When did SiTration last raise?
SiTration last raised in Jun 2025 (Seed Round), raising $3.0M.