Public Charity

ASPEN CENTER FOR PHYSICS

Based in ASPEN, CO, ASPEN CENTER FOR PHYSICS operates as a Public Charity. The organization reported $3.4M in revenue, $4.1M in expenses, $8.5M in total assets for fiscal year 2025. Imperigo tracks 9 reported grant relationships connected to this organization totaling approximately $158K.

EIN: 846059504 ASPEN, CO Science & Technology NTEE: U Latest filing: 2025
Total Revenue$3.4M
Total Expenses$4.1M
Total Assets$8.5M
Grant Records9
Funding Total$158K
Filing Years2021–2025

Mission

ASPEN CENTER FOR PHYSICS IS A SCIENTIFIC ORGANIZATION WHICH PROMOTES ORGANIZED RESEARCH IN PHYSICS, ASTROPHYSICS, AND RELATED FIELDS THROUGH PROGRAMS OF INDIVIDUAL AND COLLABORATIVE RESEARCH, WORKSHOPS, AND CONFERENCES, AS WELL AS PROMOTES THE EDUCATION OF THE GENERAL PUBLIC THROUGH PUBLIC LECTURES AND OTHER ACTIVITIES.

Where $100 goes at Aspen Center for Physics

How Aspen Center for Physics divides every $100 it spends, from its own Form 990 filings, averaged across 8 years.

$87 Programs the work itself
$13 Management running the organization
$0 Fundraising none reported

No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.

Inside the $87 for programs

$86
Summer and winter programs
99% of program spending · Reported in the filing: 561 participants; 576 participants
$1
Outreach program
1% of program spending · Reported in the filing: 1,163 people; 14 students
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

TRUSTEE Alexander Grosberg
ADMIN VICE P Amanda Jenkins
TRUSTEE Clare Yu
TRUSTEE Csaba Csaki
TRUSTEE Daniel Freed
TRUSTEE Enrico Ramirez-Ruiz

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$157,927 9 grants

Financial Trends

Year Revenue Expenses Assets
2025 $3.4M $4.1M $8.5M
2024 $4.0M $3.7M $8.4M
2023 $2.8M $2.8M $6.8M
2022 $1.9M $1.9M $7.0M
2021 $590K $556K $6.9M

Between 2021 and 2025, reported annual revenue grew from $590K to $3.4M (+468%), with total assets most recently reported at $8.5M.

Interactive year-over-year charts and full filing details available with membership.

See the full picture for ASPEN CENTER FOR PHYSICS

Complete financials, all 9 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 880,000+ organizations.

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