United States · Who invested in Zystor?
Zystor's investors include Prolog Ventures, Venture Investors, Stonehenge Capital, State of Wisconsin Investment Board and Hexagon Investments, and 2 more on record.
United States · Series A startup
Who invested in Zystor
One round we have observed, with the 7 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$8.5Mraised across 1 round since 2004, from 1 source
- Latest round
- Series A, $8.5MDec 2004
- Investors
- 7
The rounds
- Dec 2004Series A$8.5M
Prolog Ventures
Venture Investors
Stonehenge Capital
State of Wisconsin Investment Board
Hexagon Investments- Apjohn Ventures Fund, LP
- Mason Wells Biomediacl Fund
From a historical funding record
The exit
ExitBuyerPriceWhen
AcquiredBioMarin Pharmaceutical$115MAug 2010
From historical deal records. Wrong? Tell us.
Everyone who backed them
Apjohn Ventures Fund, LPVC firm1round
Mason Wells Biomediacl FundGrowth equity1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Zystor
How much has Zystor raised?
Zystor has raised $8.5M across 1 round since 2004.
When did Zystor last raise?
Zystor's most recent round was a Series A of $8.5M in Dec 2004.
What was Zystor's biggest round?
Its most recent round, $8.5M in Dec 2004, is also its largest on record.
Who backed Zystor first?
Zystor's first round on record, in Dec 2004, was backed by Prolog Ventures, Venture Investors and Stonehenge Capital and 4 others.
What stage is Zystor at?
Zystor's latest named round is a Series A, in Dec 2004.
Where is Zystor based?
Zystor is based in the United States.
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