Seaspire key facts
as of Oct 2026- Operator of multifunctional performance colorants and an active development firm intended to treat chronic and cosmetic hair and skin conditions and replace harmful ingredients in sunscreens.
- Seaspire is valued at approximately $9.0M as of Oct 2026, set at its seed round, Mar 2022; nothing has traded since, per PrivateMarketView’s mark.
- It has raised $4.1M across 2 recorded rounds; the latest was Seed Round ($3.0M) in Mar 2022.
- Notable investors include Alumni Ventures, Techstars, US National Science Foundation, Capital Factory, The Engine — 13 tracked in total.
- Seaspire has filed 2 Form Ds with the SEC since 2020, most recently Apr 2022 ($3.0M sold to 7 investors).
- Status: Privately Held (backing).
Valued at $9.0M at its seed round, Mar 2022. Nothing has traded since.
- ·The complete investor list: 13 names
- ·Watch Seaspire: the Monday email on marks, rounds and moves
Seaspire funding rounds
2 roundsWho backs Seaspire
13+Seaspire valuation
Seaspire was valued at $9 million at its seed round in Mar 2022. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.
How much has Seaspire raised?
Seaspire has raised $4.1 million across 2 recorded rounds since 2020. The largest was a $600,000 debt round in Jan 2020; the most recent was a $3 million seed round in Mar 2022.
Seaspire has filed 2 Form Ds with the SEC since 2020, most recently in Apr 2022 ($3 million sold to 7 investors).
Seaspire investors
13 investors are on record for Seaspire, including Alumni Ventures, Techstars, US National Science Foundation and Capital Factory. The seed round in Mar 2022 drew 7 investors.
About Seaspire
Operator of multifunctional performance colorants and an active development firm intended to treat chronic and cosmetic hair and skin conditions and replace harmful ingredients in sunscreens. The company's product utilizes the biomolecule Xanthochrome, protecting against a broader spectrum of ultraviolet radiation compared with current physical and chemical ultraviolet filters, and can be used in preventative skincare, helping the skincare industry to reduce adverse effects on human and marine health and offer more sustainable and less toxic materials.
- Sector
- Consumer Products and Services (B2C)
- HQ
- Cambridge, MA, United States
- Founded
- 2018
- Employees
- 5
- Website
- seaspireskincare.com/
- Ownership
- Privately Held (backing)
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