Elkhorn Slough Foundation
Funding Overview
From IRS Form 990 filings · 2019–2025
Total received
$4.3M
Foundation funders
25
Grants recorded
62
Years covered
2019–2025
Who funds Elkhorn Slough Foundation?
Elkhorn Slough Foundation is funded by 25 grantmakers, led by Helen and Will Webster Foundation ($1.7M), Community Foundation Santa Cruz County ($1.2M), Barnet Segal Charitable Trust ($333K). In total, IRS Form 990 filings record $4.3M in grants to Elkhorn Slough Foundation between 2019–2025.
Funding over time
Grant dollars and counts received per year
From 2019 to 2025, annual grant giving ranged from $127K (2020) to $2.6M (2024). In 2025 it made 7 grants totaling $199K.
What grants has Elkhorn Slough Foundation received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Barnet Segal Charitable Trust | TO FURTHER THEIR EXEMPT PURPOSE | $150,000 |
| 2025 | Monterey Peninsula Foundation | OPERATING SUPPORT | $30,000 |
| 2025 | East Bay Community Foundation | ELKHORN FOREVER CAMPAIGN, GENERAL SUPPORT | $10,000 |
| 2025 | National Philanthropic Trust | ENVIRONMENT, ANIMALS | $5,500 |
| 2025 | DJ and NB Larson Family Foundation Inc | TO PRESERVEOUR NATURALOPEN SPACE | $2,000 |
| 2025 | Coastal Barrier Island Foundation | GENERAL SUPPORT | $1,000 |
| 2025 | Lu Wang Family Foundation | CHARITY | $250 |
| 2024 | Helen and Will Webster Foundation | WILDLIFE PRESERVATION | $1,505,000 |
| 2024 | Community Foundation Santa Cruz County | GENERAL OPERATING SUPPORT, CAPITAL CAMPAIGN | $316,955 |
| 2024 | The J Miles and Rosanne Reiter | SUSTAINABLE ENVIRONMENTAL STEWARDSHIP | $150,000 |
| 2024 | Barnet Segal Charitable Trust | TO FURTHER THEIR EXEMPT PURPOSE | $150,000 |
| 2024 | Webb Family Foundation | PROJECT SUPPORT | $110,000 |
| 2024 | GS Donor Advised Philanthropy Fund for Wealth Management Inc | MEDICAL / PUBLIC SERVICES | $100,000 |
| 2024 | The Nature Conservancy | CONSERVATION ACTIVITIES | $66,308 |
| 2024 | Berkshire Foundation | TO FUND COMMUNITY SERVICES | $50,000 |
| 2024 | Monterey Peninsula Foundation | OPERATING SUPPORT | $30,000 |
| 2024 | The James Irvine Foundation | To support Elkhorn Forever campaign | $25,000 |
| 2024 | Vanguard Charitable Endowment Program | FOR RECIPIENT'S EXEMPT PURPOSE | $20,250 |
| 2024 | Silicon Valley Community Foundation | Environment | $12,000 |
| 2024 | Schwemm Family Foundation | to conserve and restore Elkhorn Slough and its watershed | $8,000 |
| 2024 | The Scott Family Fund | SUPPORT | $5,000 |
| 2024 | Sharanam Foundation | PUBLIC BENEFIT | $4,500 |
| 2024 | DJ and NB Larson Family Foundation Inc | TO PRESERVEOUR NATURALOPEN SPACE | $4,000 |
| 2024 | Coastal Barrier Island Foundation | GENERAL SUPPORT | $1,000 |
| 2024 | The James Irvine Foundation | For general operating support | $750 |
| 2024 | Texas Instruments Foundation | DONATIONS TO COLLEGES, UNIVERSITIES AND OTHER ORGANIZATIONS UNDER "MATCHING GIFTS PROGRAM." | $200 |
| 2024 | Lu Wang Family Foundation | CHARITY | $200 |
| 2023 | Webb Family Foundation | PROJECT SUPPORT | $100,000 |
| 2023 | The Nature Conservancy | CONSERVATION ACTIVITIES | $80,745 |
| 2023 | Helen and Will Webster Foundation | WILDLIFE PRESERVATION | $60,000 |
Showing 30 most recent of 62 recorded grants.
Frequently Asked Questions
Who funds Elkhorn Slough Foundation?
Elkhorn Slough Foundation is funded by 25 grantmakers, led by Helen and Will Webster Foundation ($1.7M), Community Foundation Santa Cruz County ($1.2M), Barnet Segal Charitable Trust ($333K). In total, IRS Form 990 filings record $4.3M in grants to Elkhorn Slough Foundation between 2019–2025.
Who is Elkhorn Slough Foundation's largest funder?
Helen and Will Webster Foundation is the largest recorded funder of Elkhorn Slough Foundation, with $1.7M across 5 grants (2020–2024).
How much grant funding has Elkhorn Slough Foundation received?
IRS 990 filings record $4.3M in grants to Elkhorn Slough Foundation across 62 grants from 25 funders between 2019–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.
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