Who funds Sightline Institute?
20 private foundations reported grants to Sightline Institute in Seattle, Washington totaling $1.8 million across 20 grants in tax years 2023 to 2025. The largest funder was Kaphan Foundation, with $572,649.
From the funders' IRS Form 990-PF filings.
- Foundation funders20
- Grants reported20
- Total received$1.8 million
- Funders taking applications3
Funders of Sightline Institute that accept applications
If your organization does similar work, these foundations are prospects: they already fund work like Sightline Institute's and say in their IRS filings that they accept applications.
Foundations that fund Sightline Institute
| Foundation | Purpose given | Grants | Amount |
|---|---|---|---|
| Kaphan Foundation | General support | 1 | $572,649 |
| Laidir Foundation | To further the mission of sightline institute's housing and urbanism program. | 1 | $525,000 |
| Democracy Fund Inc | Program support for the Democracy and Elections Program | 1 | $175,000 |
| The Schmidt Family Foundation | Encouraging a just transition away from fossil fuels | 1 | $150,000 |
| Treeline Foundation | To support efforts to address climate change | 1 | $100,000 |
| The Bullitt Foundation | For a general support exit grant. | 1 | $95,000 |
| Wiancko Charitable Foundation Inc | Unrestricted | 1 | $35,000 |
| Ronald W Naito MD Foundation | General operating | 1 | $30,000 |
| Ordinary People Foundation | Environmental Protection | 1 | $30,000 |
| Laird Norton Family Foundation | General operating support | 1 | $30,000 |
| Cosman Family Fdn Dima-Wdp | Unrestricted general | 1 | $17,000 |
| Eric Anderson Foundation | General support | 1 | $15,000 |
| Grousemont Foundation | General & unrestricted | 1 | $10,000 |
| So Hum Foundation | General operating support | 1 | $5,000 |
| Martin Djos Family Foundation | General | 1 | $1,555 |
| The GreerSolien Fund | General & Unrestricted | 1 | $1,000 |
| Edwards Lienhart Family Foundation | Unrestricted-general fund support | 1 | $1,000 |
| Reuben's Brews Foundation | 501c3 organization - social | 1 | $250 |
| The Pfizer Foundation Inc | Volunteer program | 1 | $100 |
| Amazonsmile Foundation | General support | 1 | $40 |
Using this list
A foundation that already gives to Sightline Institute gives in its field and region, so the list doubles as a prospect list for similar organizations in Seattle. Open a foundation to see its application rules, typical grant and every other grant it paid.
Questions people ask
Who funds Sightline Institute?
Kaphan Foundation, Laidir Foundation, Democracy Fund Inc, The Schmidt Family Foundation and Treeline Foundation, and 15 more, according to their IRS Form 990-PF filings.
How much does Sightline Institute get from foundations?
$1.8 million in 20 reported grants from 20 private foundations in tax years 2023 to 2025. Government grants and gifts from individuals are not included.
Which of these funders accept applications?
The Schmidt Family Foundation, Ronald W Naito MD Foundation and Reuben's Brews Foundation say in their filings that they accept applications.