Mission
Independent, nonpartisan research, analysis, and policy solutions to advance strong communities, a green economy, and a healthy environment.
Public Charity
Sightline Institute
Sightline Institute, of Seattle, WA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $4.5M in revenue, $3.5M in expenses, $8.1M in total assets. 186 publicly reported grants to this organization, totaling roughly $5.6M, appear in IRS filings.
EIN: 521833599
Seattle, WA
Environment
NTEE: C
Latest filing: 2025
Total Revenue$4.5M
Total Expenses$3.5M
Total Assets$8.1M
Grant Records186
Funding Total$5.6M
Filing Years2021–2025
Where $100 goes at Sightline Institute
How Sightline Institute divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$77
Programs
the work itself
$9
Management
running the organization
$14
Fundraising
raising the next dollar
Inside the $77 for programs
$77
Since 1993, Sightline Institute has been the independent, nonpartisan think tank for Cascadia from the Rockies to the Pacific and from Alaska to Oregon
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.
Sample Grants Received
For grant recipient's exempt purposes
$176,950
TO SUPPORT EDUCATE & ENGAGE KEY POLICYMAKERS; BUILD THE EVIDENCE BASE FOR REFORM; AMPLIFY A COMPELLING NATIONAL NARRATIVE
$150,000
GENERAL SUPPORT
$55,500
ENVIRONMENTAL AND ANIMALS
$43,100
Environment
$42,500
Showing up to 5 of 186 total records — full history available with membership.
Officers & Directors
Executive Director
Alan Durning
Principal Director of Strategy
Anna Fahey
Secretary
Brynn Arborico
Director
Cynthia Putnam
Senior Director, Housing + Cities
Daniel Bertolet
Senior Director, Climate + Energy
Emily Moore
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $4.5M | $3.5M | $8.1M |
| 2024 | $2.5M | $3.2M | $7.2M |
| 2023 | $4.7M | $2.9M | $7.5M |
| 2022 | $2.8M | $3.0M | $5.4M |
| 2021 | $3.4M | $2.4M | $6.3M |
Between 2021 and 2025, reported annual revenue grew from $3.4M to $4.5M (+32%), with total assets most recently reported at $8.1M.
Interactive year-over-year charts and full filing details available with membership.