Andrew W. Mellon Foundation

Overview

The Mellon Foundation supports arts, culture, humanities, and higher education through a large private foundation endowment.¹

The endowment supports Mellon grantmaking in the arts, culture, humanities, and higher education.¹

Estimated AUM: $8B as of Dec 31, 2024³
Capital pool: private foundation endowment²
Investment model: Not listed yet²
Investment approach: To achieve this goal, we maintain a portfolio that is well diversified across five asset classes with different risk and return characteristics to generate strong long-term returns.⁴
Spending support: Official 2024 annual report states the foundation issued nearly 650 grants totaling about $540M.¹
Spending policy: Not listed yet
Asset allocation: Public evidence references these asset classes or allocation areas: infrastructure, fixed income.⁵
Performance: Not listed yet
Governance: Assets/Debt Total Assets $6,178,207,107 Total Liabilities $316,926,819 Net Assets $5,861,280,288 Document Links 990-PF Primary tax return for a private foundation's activities, finances, and governance PDF 990-T For unrelated business income from activities not substantially related to the organization's tax-exempt purpose PDF Fiscal Year Ending Dec.²
Investment team: Not listed yet²
Unfunded commitments: Not listed yet
Source freshness: Last verified Jul 4, 2026 · Verified

Last verified Jul 4, 2026 from public career and organization materials.

Website (mellon.org)Parent organization overview, Pool purpose, Spending support, Investment office page · checked Jul 3, 2026
Website (mellon.org)Institution type, Capital pool, Headquarters, Investment model, Governance, Investment team · checked Jul 3, 2026
Form 990 (projects.propublica.org)Estimated AUM · checked Jul 25, 2026
Financial statements (mellon.org)Investment approach · checked Jul 4, 2026
Job posting (mellon.org)Asset allocation · checked Jul 4, 2026