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
How much has Cyrus Biotechnology raised?
$36.6Macross 10 recorded rounds · Jul 2017 – Jul 2025

Most recently, Cyrus Biotechnology raised $1.5M in its Seed Round (Jul 2025).

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Cyrus Biotechnology round by round

10 rounds
Jul 2025Seed Round$1.5MSEC filing▮
17 investors participated
Oct 2024Seed Round$3.2MSEC filing▮
27 investors participated
Feb 2024Seed Round$2.7MSEC filing▮
33 investors participated
Jun 2021Early Stage VC$18.4MSEC filing▮
34 investors participated
Sep 2020Debt$1.1MSEC filing▮
19 investors participated
Jul 2017Early Stage VC$8.0MSEC filing▮
18 investors participated
+ 4 earlier rounds · a free account shows the full history

How much has Cyrus Biotechnology raised?

Cyrus Biotechnology has raised $36.6 million across 10 recorded rounds since 2015. The largest was an $850,000 debt round in Apr 2015; the most recent was a $1.5 million seed round in Jul 2025.

Cyrus Biotechnology has filed 13 Form Ds with the SEC since 2015, most recently in May 2026 ($1.5 million sold to 17 investors).

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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26 investors have backed Cyrus Biotechnology.

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Frequently asked about Cyrus Biotechnology

How much has Cyrus Biotechnology raised?
Cyrus Biotechnology has raised $36.6M in total across 10 recorded funding rounds.
When was Cyrus Biotechnology's last funding round?
Cyrus Biotechnology's most recent recorded round was Seed Round in Jul 2025, raising $1.5M.