SiTration key facts
as of Oct 2026- Developer of a filtration-membrane platform designed to enable low-cost recovery of critical minerals from mining, refining, and recycling streams.
- SiTration is valued at approximately $35.0M as of Oct 2026 (last reported valuation).
- It has raised $17.7M across 4 recorded rounds; the latest was Seed Round ($3.0M) in Jun 2025.
- Notable investors include US National Science Foundation, Greentown Labs, SBXi, E14 Fund, The Engine — 16 tracked in total.
- SiTration has filed 8 Form Ds with the SEC since 2020, most recently Jul 2025 ($3.0M sold to 1 investors).
- Status: Privately Held (backing).
SiTration's last reported valuation, May 2024. Nothing priced has surfaced since.
- ·The complete investor list: 16 names
- ·Watch SiTration: the Monday email on marks, rounds and moves
SiTration funding rounds
4 roundsWho backs SiTration
16+Membership and data by Private Market View
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).
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.
About SiTration
Developer of a filtration-membrane platform designed to enable low-cost recovery of critical minerals from mining, refining, and recycling streams. The company offers durable silicon-based membranes with tunable pore sizes and integrated electro-extraction for the extraction of lithium, cobalt, nickel, copper, and other metals from complex waste or feed-stocks, enabling clients to process dilute, harsh, or mixed streams more efficiently and with lower chemical input.
- Sector
- Business Products and Services (B2B)
- HQ
- Cambridge, MA, United States
- Founded
- 2020
- Employees
- 22
- Website
- sitration.com/
- Ownership
- Privately Held (backing)
Is this your company? Sign in with your work email to keep it current, or tell us what's wrong.