1. Recent Funding
2. Investors
3. Mass General Brigham Ventures

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Mass General Brigham Ventures

Mass General Brigham Ventures has backed 1 company on Recent Funding, 1 in the last 12 months; its most recent deal is Claris Bio (2026-07-28).

What Mass General Brigham Ventures invests in

• Health and bio · 1 · 100%
• Cybersecurity · 1 · 100%

How Mass General Brigham Ventures invests

Share is of the 1 round on Recent Funding that name Mass General Brigham Ventures. Rounds with no announced date are left out of the year split, and "round" is a round whose stage is not on file.

Portfolio

Company	Round with Mass General Brigham Ventures	Total raised	Latest raise
CClaris Bio Health and bio	Jul 28, 2026 Series B+ · $118M	$118M	Jul 28, 2026 Series B+

Most frequent co-investors

• JJanus Henderson Investors1 shared round · last Jul 28, 2026
• CCatalio1 shared round · last Jul 28, 2026
• SSamsara Biocapital1 shared round · last Jul 28, 2026
• SSofinnova Investments1 shared round · last Jul 28, 2026
• AAdage Capital Management1 shared round · last Jul 28, 2026
• NNovo Holdings1 shared round · last Jul 28, 2026
• AAisling Capital1 shared round · last Jul 28, 2026
• AADAR1 Capital Management1 shared round · last Jul 28, 2026

Portfolio companies are the companies on Recent Funding with a round that lists Mass General Brigham Ventures, which is a subset of its real portfolio. API: /api/v1/investors/mass-general-brigham-ventures. All investors.