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The Planetary Society

EIN 95-3423566Pasadena, CAArts & CultureLatest 990 FY2025

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Listed with the IRS. Every screen came back clear.

A 501(c)(3) on Publication 78 and the IRS master file.

A paid feature, included from the $75 plan up. Sign in to download.Checked Nov 5, 2026, 3:59 PM ET
IRS nonprofit listing
No issue
Revocation
None
IRS files
Agree
Sanctions
No match
IRS bulletin
No notice
California
Registered
Charity type
509(a)(1)

$7.5Mrevenue
FY2025 · +53% in 3 yrs
28staff
8 of 8years filed
’18’19’20’21’22’23’24’25
Revenue and spendingRevenueSpendingDeficit
$0$5.0M$10M$15M’18’19’20’21’22’23’24’25
Against similar nonprofits FY2025
Operating margin−1.3%
Months of reserve5.9mo
Revenue growth (annualized)+6.6%
Middle half of peersMedianPlanetary Society
Where the money goes FY2025 · $7.6M spent
Programs$5.1M67%Management and general$974k13%Fundraising$1.6M21%990 FY2025 · Part IX line 25