Metalmark Capital

Portfolio Co Investors 2026 for Metalmark Capital: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

Metalmark Capital accounts for 3 tracked companies with verified cap-table data, 3 of which disclose round sizes totalling $520M. The median disclosed raise is $170M, and the largest is Northeast Natural Energy at $300M, ahead of Aegis Sciences ($170M) and Morgenesis ($50M).

The names that recur most often on these co-invested cap tables are Metalmark Capital (3 companies), Pantheon International (1 company), Abry Partners (1 company). By latest disclosed round, the market skews Growth (2), Series C (1).

Best funded Metalmark Capital companies

  1. Northeast Natural Energy — $300M (latest: Growth)
  2. Aegis Sciences — $170M (latest: Growth)
  3. Morgenesis — $50M (latest: Series C)

Metalmark Capital — related firms and companies (45)

Metalmark Capital profile · All research reports