Fairmount

Portfolio Companies 2026 for Fairmount: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.

Fairmount accounts for 8 tracked companies with verified cap-table data, 8 of which disclose round sizes totalling $2.6B. The median disclosed raise is $370M, and the largest is Mirador Therapeutics at $650M, ahead of Spyre Therapeutics ($644M) and Prometheus Biosciences ($400M).

The names that recur most often on these portfolio cap tables are Fairmount (8 companies), Venrock Healthcare Capital Partners (7 companies), OrbiMed (3 companies), Sanofi Ventures (3 companies), TCGX (3 companies), Fidelity Management & Research Company (3 companies). By latest disclosed round, the market skews Series A (4), Series B (2), Growth (1).

Companies tracked: 8
Disclosed funding total: $2.6B across 8 companies
Median disclosed raise: $370M
Largest raise: Mirador Therapeutics — $650M
Stage mix: Series A 4 · Series B 2 · Growth 1
Most recent dated round: 2025-12-15

Best funded Fairmount companies

Mirador Therapeutics — $650M (latest: Series B)
Spyre Therapeutics — $644M (latest: Growth)
Prometheus Biosciences — $400M (latest: Series A)
Candid Therapeutics — $370M (latest: Series A)
Korsana Biosciences — $175M (latest: Series A)
Apogee Therapeutics — $169M (latest: Series B)
Jade Biosciences — $125M
Dianthus Therapeutics — $100M (latest: Series A)

Fairmount Funds Management LLC — related firms and companies (56)

Fairmount Funds Management LLC profile · All research reports