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
What is Cyrus Biotechnology worth?
$45.5Mlast reported valuation · Oct 2026

Cyrus Biotechnology's last reported valuation, Oct 2021. 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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Cyrus Biotechnology funding history

10 rounds
DateRoundRaisedPost-money
Jul 2025Seed Round$1.5M▮
Oct 2024Seed Round$3.2M▮
Feb 2024Seed Round$2.7M▮
Jun 2021Early Stage VC$18.4M▮
Sep 2020Debt$1.1M▮
Jul 2017Early Stage VC$8.0M▮
+ 4 earlier rounds · a free account shows the full history
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Cyrus Biotechnology valuation

Cyrus Biotechnology's last reported valuation was $45.5 million in Oct 2021. No priced round, secondary trade or fund mark has surfaced since.

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).

How Cyrus Biotechnology'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 Cyrus Biotechnology, 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 Cyrus Biotechnology

What is Cyrus Biotechnology worth?
Cyrus Biotechnology is valued at $45.5M as of Oct 2026. Cyrus Biotechnology's last reported valuation, Oct 2021. Nothing priced has surfaced since.
How much has Cyrus Biotechnology raised?
Cyrus Biotechnology has raised $36.6M in total funding across 10 recorded rounds.
When did Cyrus Biotechnology last raise?
Cyrus Biotechnology last raised in Jul 2025 (Seed Round), raising $1.5M.