Cyrus Biotechnology

Seattle, WA · Founded 2014 · Privately Held (backing)

Operator of a biologic therapeutics company intended to treat serious diseases through advanced protein engineering. Cyrus Biotechnology is based in Seattle, WA and was founded in 2014. Its last reported valuation was $45.5 million in Oct 2021. It has raised $36.6 million across 10 recorded rounds; the latest was a $1.5 million seed round in Jul 2025.

Last reported valuation
$45.5M
Oct 2026
Priced at
—
Total raised
$36.6M
Last round
Seed Round
Jul 2025

Who backs Cyrus Biotechnology?

26 investors
InvestorType
Alumni VenturesVenture capital
US National Science FoundationOther
OrbiMedGrowth equity
Argonautic VenturesVenture capital
iSelect FundVenture capital
WRF CapitalOther
Trinity VenturesVenture capital
Benjamin W Slivka—
Agent Capital—
Alexandria (US)—
+ 16 more investors · a free account shows the complete list
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Cyrus Biotechnology investors

26 investors are on record for Cyrus Biotechnology, including Alumni Ventures, US National Science Foundation, OrbiMed and Argonautic Ventures. By type, the record holds 4 venture capital firms and 1 growth equity firm. The seed round in Jul 2025 drew 17 investors.

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