Immusoft

Seattle, WA · Founded 2009 · Privately Held (backing)

Developer of novel therapies designed for the treatment of rare diseases. Immusoft is based in Seattle, WA and was founded in 2009. It was valued at $65.2 million at its later-stage round in Mar 2025, the last priced event on record. It has raised $54.8 million across 6 recorded rounds; the latest was a $4.6 million seed round in May 2024.

PMV mark · valuation
$65.2M
Oct 2026
Priced at
its later-stage round
Mar 2025
Total raised
$54.8M
Last round
Seed Round
May 2024
How much has Immusoft raised?
$54.8Macross 6 recorded rounds · Aug 2014 – May 2024

Most recently, Immusoft raised $4.6M in its Seed Round (May 2024).

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Immusoft round by round

6 rounds
May 2024Seed Round$4.6MSEC filing▮
25 investors participated
Sep 2020Early Stage VC$10.3MSEC filing▮
32 investors participated
Jan 2018Early Stage VC$20.2MSEC filing▮
64 investors participated
Oct 2016Seed Round$2.7MSEC filing▮
11 investors participated
Aug 2015Debt$375KSEC filing▮
3 investors participated
Aug 2014Seed Round$2.4MSEC filing▮
11 investors participated

How much has Immusoft raised?

Immusoft has raised $54.8 million across 6 recorded rounds since 2014. The largest was a $4.6 million seed round in May 2024.

Immusoft has filed 8 Form Ds with the SEC since 2014, most recently in Jun 2024 ($4.6 million sold to 25 investors).

Immusoft investors

29 investors are on record for Immusoft, including Founders Fund, Alexandria Venture Investments, Highlight Capital and Invariantes Fund. The seed round in May 2024 drew 25 investors.

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29 investors have backed Immusoft.

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Frequently asked about Immusoft

How much has Immusoft raised?
Immusoft has raised $54.8M in total across 6 recorded funding rounds.
When was Immusoft's last funding round?
Immusoft's most recent recorded round was Seed Round in May 2024, raising $4.6M.