About Skyline Foundation
Skyline Foundation appears to be a focused environmental funder, directing its entire recent giving to large-scale climate and conservation advocacy. Its sole recorded grant is a major multimillion-dollar contribution to the Sierra Club Foundation’s 2030 campaign, indicating a priority on policy-oriented, national environmental campaigns rather than local service delivery. The foundation likely concentrates resources on high-impact advocacy efforts aimed at climate action and protection of natural resources.
Focus Areas
National climate advocacy campaigns (e.g., Sierra Club 2030 campaign)Policy and advocacy for emissions reduction and environmental protectionSupport for large environmental NGOs driving national conservation strategy
Who They Fund
low‑income and frontline communities impacted by climate changeIndigenous communitieswomen and gender‑marginalized people (climate & gender justice)voters and election administrators (broader electorate)people with criminal records (formerly incarcerated)
About Skyline Foundation
Skyline Foundation’s recent giving is defined by large commitments to environmental advocacy and climate policy, led by a $4,000,000 grant to The Sierra Club Foundation for the Sierra Club 2030 Campaign. That grant is joined by major support for Environmental Defense Fund Incorporated and Natural Resources Defense Council Inc, showing a pattern of backing national organizations that work on climate, clean energy, and environmental protection. The foundation also supports related policy and advocacy work beyond the environmental field, including grants to the American Civil Liberties Union Foundation Inc and American Journalism Project Inc. In the latest grant list, its gifts are consistently at the high end of the scale, with repeated seven-figure awards rather than small project grants. Skyline Foundation’s portfolio includes both direct support for operating needs and targeted support for named campaigns or programs, such as the Sierra Club 2030 Campaign and the Energy Project at the Sierra Club Foundation. The result is a grantmaking profile centered on a small set of large, strategic grants to organizations with national reach.
What Skyline Foundation Funds
In climate and clean energy, Skyline Foundation backed multiple organizations with named program support, including $2,500,000 to The Sierra Club Foundation for its Energy Project and $1,000,000 to Earthjustice for its Climate and Clean Energy Program. It also supported policy and research infrastructure through $1,000,000 to Berkeley Lab Foundation for Lawrence Berkeley National Laboratory’s enhanced weathering research and $1,000,000 to Windward Fund for the Global Methane Hub. Beyond environmental work, the foundation gave $3,000,000 to American Civil Liberties Union Foundation Inc for general support and for the ACLU’s Defending Democracy Program to support the Southern Collective. It also funded $1,500,000 to American Journalism Project Inc for general support, alongside support for ProPublica and Civic News Company.
How Skyline Foundation Gives
Skyline Foundation’s typical grant size is substantial: the 25th percentile is $200,000, the median is $300,000, and the 75th percentile is $500,000. The recent record shows a strong tilt toward recurring support for some recipients, with Environmental Defense Fund Incorporated, American Civil Liberties Union Foundation Inc, Sierra Club Foundation, and ProPublica each appearing more than once across 2024 and 2025. It is classified as a regular funder rather than a donor-advised fund and does not make program-related investments. The foundation also funds individuals. The pattern suggests a mix of general support and restricted program or campaign support, with large repeat grants to established nonprofits.
Financial Snapshot
Annual Giving
$100.5M
Total Assets
$1.3B
Total Revenue
$173.1M
Total Expenses
$111.1M
Typical Grant Size
Most grants fall between $200K and $500K, with a median of $300K.
25th Percentile
$200K
Median
$300K
75th Percentile
$500K
Geographic Reach
National29 states funded
Funding intensity
LowHigh
Headquarters
Leadership
DAVID FILO
PRESIDENT
Funding intensity
LowHigh
Where Skyline Foundation Funds
Top 2 recipient countries by grant volume for Skyline Foundation.
| Rank | Country | Grants | Total | Share |
|---|---|---|---|---|
| 1 | United StatesDomestic | 464 | $191.6M | 99.8% |
| 2 | Netherlands | 1 |
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