IRS e-file via GivingTuesday 990 data lake mirror, 2025; retrieved 2026-09-15 tier 1 filingconfirmed

Vanguard Charitable Endowment Program 990, tax period 2023-07-01 to 2024-06-30 (IRS e-file XML)

24,269 Schedule I recipient groups; ALIGNMENT RESEARCH CENTER $1,000,000; RAND $48,000; no METR line (METR was spun out in April 2024).

METR, F (against): Vanguard Charitable, a donor-advised fund whose underlying donor is not public, paid METR $4,000,000 in its fiscal year to June 2025 per its 990 Schedule I (row 15424), the largest single filing-disclosed grant to METR; the same filing pays ARC $1,500,000.