ProPublica, 2025; retrieved 2026-09-14 tier 1 filingconfirmed

Nonprofit Explorer summaries: METR (EIN 99-1219864) and ARC (EIN 86-3605182)

METR FY2024 revenue $13,639,155, contributions $13,603,035, expenses $8,234,524; ARC FY2024 revenue $5,219,369, expenses $9,054,183.

METR, F (for): Current page (re-fetched 14 Sep 2026) states METR cannot accept donations made by or at the direction of frontier AI company employees, tighter than the September 2025 footnote; the SFF 2025 recommendation of $548,000 is confirmed on the fund's page and FY2024 revenue of $13.6M on ProPublica.