Sightline Institute

Nonprofit · Grant recipient Also a grantmaker → Seattle, WA EIN 52-1833599

Funding Overview

From IRS Form 990 filings · 2020–2025

Total received

$11.5M

Foundation funders

47

Grants recorded

200

Years covered

2020–2025

Who funds Sightline Institute?

Sightline Institute is funded by 47 grantmakers, led by Laidir Foundation ($2.6M), Kaphan Foundation ($2.5M), Silicon Valley Community Foundation ($1.1M). In total, IRS Form 990 filings record $11.5M in grants to Sightline Institute between 2020–2025.

FunderTotal givenGrantsYears
Laidir Foundation$2,600,00052020–2024
Kaphan Foundation$2,466,63052020–2024
Silicon Valley Community Foundation$1,100,00032021–2023
Democracy Fund Inc$700,00042023–2024
Seattle Foundation$572,200522020–2024
The Schmidt Family Foundation$525,00052020–2024
Treeline Foundation$500,00052020–2024
Unite America Institute Inc$315,00032022–2024
The Oregon Community Foundation$298,75052020–2024
The Bullitt Foundation$285,00032021–2024
Impactassetsinc$271,70052020–2024
Open Philanthropy Action Fund$208,21422021–2023
Stolte Family Foundation$200,00042020–2023
Laird Norton Family Foundation$175,00062020–2024
Wiancko Charitable Foundation Inc$148,00052020–2024
Ordinary People Foundation$110,00052020–2024
CAM Foundation$100,00022020–2021
Cosman Family Fdn Dima-WDP$89,00062020–2025
Morgan Stanley Global Impact Funding Trust Inc$84,00072020
Ronald W Naito MD Foundation$80,00032022–2024
Tides Foundation$75,00032020–2024
Harder Foundation$75,00032020–2022
Vanguard Charitable Endowment Program$61,70032022–2024
Collier Community Foundation Inc$51,00052020–2025
Eric Anderson Foundation$50,00042021–2024
Show all 47 funders

Funding over time

Grant dollars and counts received per year

$0$1M$2M$3M34 grants2020 26 grants2021 46 grants2022 46 grants2023 43 grants2024 5 grants2025

From 2020 to 2025, annual grant giving ranged from $37K (2025) to $2.9M (2023). In 2025 it made 5 grants totaling $37K.

What grants has Sightline Institute received?

Individual grants from IRS Form 990 filings, newest first

YearFunderPurposeAmount
2025Cosman Family Fdn Dima-WDPUNRESTRICTED GENERAL$17,000
2025Collier Community Foundation IncENVIRONMENT & ANIMALS$11,000
2025So Hum FoundationGENERAL OPERATING SUPPORT$5,000
2025Anthony-Maymudes Family FoundationGeneral operating support$2,500
2025Martin Djos Family FoundationGENERAL$1,555
2024Kaphan FoundationGENERAL SUPPORT$572,649
2024Laidir FoundationTO FURTHER THE MISSION OF SIGHTLINE INSTITUTE'S HOUSING AND URBANISM PROGRAM.$525,000
2024Democracy Fund IncProgram support for the Democracy and Elections Program$175,000
2024Democracy Fund IncProgram support for the Democracy and Elections Program$175,000
2024Unite America Institute IncTO SUPPORT EDUCATE & ENGAGE KEY POLICYMAKERS; BUILD THE EVIDENCE BASE FOR REFORM; AMPLIFY A COMPELLING NATIONAL NARRATIVE$150,000
2024The Schmidt Family FoundationENCOURAGING A JUST TRANSITION AWAY FROM FOSSIL FUELS$150,000
2024Treeline FoundationTO SUPPORT EFFORTS TO ADDRESS CLIMATE CHANGE$100,000
2024The Bullitt FoundationFOR A GENERAL SUPPORT EXIT GRANT.$95,000
2024ImpactassetsincGENERAL SUPPORT$55,500
2024The Oregon Community FoundationEnvironment$42,500
2024Seattle FoundationTO PROVIDE GENERAL SUPPORT$40,000
2024Wiancko Charitable Foundation IncUNRESTRICTED$35,000
2024Laird Norton Family FoundationGENERAL OPERATING SUPPORT$30,000
2024Ronald W Naito MD FoundationGENERAL OPERATING$30,000
2024Ordinary People FoundationEnvironmental Protection$30,000
2024Vanguard Charitable Endowment ProgramFOR RECIPIENT'S EXEMPT PURPOSE$26,500
2024Article IVGeneral support$25,000
2024Seattle FoundationTO PROVIDE GENERAL SUPPORT$20,000
2024Cosman Family Fdn Dima-WDPUNRESTRICTED GENERAL$16,000
2024Amalgamated Charitable Foundation IncGeneral operating support$15,250
2024Eric Anderson FoundationGENERAL SUPPORT$15,000
2024Seattle FoundationTO PROVIDE GENERAL SUPPORT$12,500
2024Ridge Road FoundationCONTRIBUTION TO BE USED FOR CHARITABLE PURPOSES$11,000
2024Grousemont FoundationGENERAL & UNRESTRICTED$10,000
2024Tides FoundationSUSTAINABLE ENVIRONMENT$10,000

Showing 30 most recent of 200 recorded grants.

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Frequently Asked Questions

Who funds Sightline Institute?

Sightline Institute is funded by 47 grantmakers, led by Laidir Foundation ($2.6M), Kaphan Foundation ($2.5M), Silicon Valley Community Foundation ($1.1M). In total, IRS Form 990 filings record $11.5M in grants to Sightline Institute between 2020–2025.

Who is Sightline Institute's largest funder?

Laidir Foundation is the largest recorded funder of Sightline Institute, with $2.6M across 5 grants (2020–2024).

How much grant funding has Sightline Institute received?

IRS 990 filings record $11.5M in grants to Sightline Institute across 200 grants from 47 funders between 2020–2025. Filings are published on a delay, so recent grants may not appear yet.

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