Buck Institute for Research on Aging
8001 Redwood Blvd, Novato, CA · IRS data through FY2025
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2025 | $57,241,648 | $62,871,633 | $5,520,452 |
| FY2024 | $69,534,711 | $61,305,077 | $11,051,404 |
| FY2023 | $50,393,451 | $57,224,598 | $1,587,968 |
| FY2022 | $58,082,777 | $52,116,061 | $7,712,574 |
| FY2021 | $40,697,566 | $44,383,829 | $3,701,300 |
| FY2020 | $47,165,149 | $48,230,557 | $18,534,381 |
| FY2019 | $36,194,173 | $38,670,397 | $19,500,222 |
| FY2018 | $39,551,884 | $35,777,785 | $19,684,371 |
| FY2017 | $34,950,433 | $33,682,405 | $14,398,109 |
| FY2016 | $30,516,766 | $31,958,032 | $16,550,201 |
| FY2015 | $33,419,178 | $34,891,340 | $23,752,580 |
Form 990 filings
The returns filed by Buck Institute for Research on Aging (EIN 94-3030609), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $54,896,932 | 96% |
| Program service revenue | $1,140,047 | 2% |
| Other revenue | $1,204,669 | 2% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $47,226,526 | 75% |
| Management & general | $14,185,477 | 23% |
| Fundraising | $1,459,630 | 2% |
What the numbers show
- Contributions & grants made up 96% of total revenue in FY2025.
- Program services accounted for 75% of functional expenses, management & general 23%, and fundraising 2%.
- 75% of functional expenses went to program services in FY2025. That is higher than 28.6% of 49 Social Science organizations nationwide (too few in CA for a state comparison).
- Net assets covered about 1.1 months of expenses at the end of the reporting year. That puts it in the 12th percentile among 73 Social Science organizations in CA.
- Total revenue was the highest among 77 Social Science organizations in CA.
- Total revenue rose from $33,419,178 in FY2015 to $57,241,648 in FY2025. Revenue increased in 5 and decreased in 5 of 10 year-over-year comparisons.
- Expenses exceeded revenue in 7 of 11 reported years (FY2015, FY2016, FY2019, FY2020, FY2021, FY2023, FY2025).
- The highest revenue on record here is $69,534,711 in FY2024.
- Net assets declined from $23,752,580 to $5,520,452 between FY2015 and FY2025.
- Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
BUCK INSTITUTE FOR RESEARCH ON AGING IS DEDICATED TO IMPROVING THE HEALTH SPAN OF INDIVIDUALS.
IRS status
| Ruling year | 2014 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | V99 — Social Science |
| Donations | Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity). |
Similar organizations
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Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
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