Watermill Group is a private equity firm. Based in Boston, Massachusetts, United States. Known portfolio companies include Cooper Turner Beck, Magenta Therapeutics, Musser Lumber and Synquiry Technologies, 4 companies in all.
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Investment focus
- Sector
- HardwareHealthcare
- Focus
- AerospaceBiotechDistressedDrug DiscoveryTurnaround
Who to pitch at Watermill Group
Watermill Group portfolio companies (4)
- Cooper Turner Beck
- Magenta Therapeutics
- Musser Lumber
- Synquiry Technologies
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About Watermill Group
The firm's listing covers sectors Hardware and Healthcare, and focus areas Aerospace, Biotech, Distressed and Drug Discovery; known deals cluster at Growth, Late-Stage and Seed.
Of the 6 people on file at Watermill Group, Steven Karol (Managing Partner) and Julia Karol (President and COO) are listed as the contacts to approach first.
Frequently asked questions
What is Watermill Group?
Watermill Group is a private equity firm based in Boston, Massachusetts, United States, with a known portfolio of 4 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Watermill Group invest in?
Listed sectors include Hardware and Healthcare; listed focus areas include Aerospace, Biotech, Distressed and Drug Discovery. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Watermill Group invest at?
The known deals of Watermill Group include Growth, Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Watermill Group?
2 of the 6 people on file at Watermill Group are listed as contacts for the firm. All 6 have their own profile page.
How do I contact Watermill Group?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 6 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal