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Center for Biological Diversity Inc

Tucson, Arizona · EIN 27-3943866 · Animal-Related · tax-exempt since 2011

C

Charity Clarity grade C (score 63.9 of 100), based on the Form 990 for the year ended December 2025.

Graded against 1,422 animal-related nonprofits with revenue $10M–$50M filing the same form. A = top 10%, B = next 20%, C = middle 40%, D = next 20%, F = bottom 10%.

What goes into the grade

MeasureThis charityScore (0–100)
ReservesMonths of spending covered by unrestricted net assets.17.4 months79
GovernanceBoard independence, key policies and audit, per the 990.82% of practices82
Margin stabilityHow steady the surplus or deficit is year to year.34
Revenue spreadHow much revenue rests on one type of income.89% from one source26
Filing recordOn-time, complete filings, year after year.100%100
Program spendingSelf-reported by the filer.91.0%not scored
Management costsShare of spending.0.6%not scored
Cost to raise $1Fundraising cost per dollar given.$0.09not scored

Scores compare this charity with its peer group; 100 is best. How Charity Clarity rates charities.

Year by year

2015201620172018202020212022202320242025grey: revenue · green: spending
Year endedFormRevenueSpendingSurplusNet assetsMonths of spendingStaffGrade
Dec 2025Form 990$42.91M$40.62M$2.29M$59.06M17.4274C
Dec 2024Form 990$45.74M$34.63M$11.11M$54.91M19.0242C
Dec 2023Form 990$34.48M$31.80M$2.69M$42.60M16.1234C
Dec 2022Form 990$27.59M$27.02M$569K$38.60M17.1230C
Dec 2021Form 990$36.65M$24.98M$11.68M$40.71M19.6239C
Dec 2020Form 990$27.33M$22.34M$4.99M$28.04M15.1228C
Dec 2018Form 990$20.51M$20.71M−$201K$21.02M12.2188C
Dec 2017Form 990$20.14M$18.00M$2.14M$21.61M14.4172B
Dec 2016Form 990$14.76M$13.97M$791K$19.06M16.4138B
Dec 2015Form 990$12.43M$11.29M$1.14M$18.27M19.4123C

From the organisation’s own IRS filings. “Months of spending” is total net assets divided by a month of that year’s spending. A blank grade means that year was not rated.

Read the filings

Every figure here comes from the returns this charity filed with the IRS. These sites show the full returns and more about the organisation:

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