Elkhorn Slough Foundation
Funding Overview
From IRS Form 990 filings · 2020–2025
Total received
$3.2M
Foundation funders
23
Grants recorded
51
Years covered
2020–2025
Who funds Elkhorn Slough Foundation?
Elkhorn Slough Foundation is funded by 23 grantmakers, led by Helen and Will Webster Foundation ($1.7M), Barnet Segal Charitable Trust ($333K), Webb Family Foundation ($285K). In total, IRS Form 990 filings record $3.2M in grants to Elkhorn Slough Foundation between 2020–2025.
Funding over time
Grant dollars and counts received per year
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 |
| 2024 | Helen and Will Webster Foundation | WILDLIFE PRESERVATION | $1,505,000 |
| 2024 | Barnet Segal Charitable Trust | TO FURTHER THEIR EXEMPT PURPOSE | $150,000 |
| 2024 | The J Miles and Rosanne Reiter | SUSTAINABLE ENVIRONMENTAL STEWARDSHIP | $150,000 |
| 2024 | Webb Family Foundation | PROJECT SUPPORT | $110,000 |
| 2024 | Gs Donor Advised Philanthropy Fund | 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 |
| 2023 | Barnet Segal Charitable Trust | TO FURTHER THEIR EXEMPT PURPOSE | $33,000 |
| 2023 | Vanguard Charitable Endowment Program | FOR RECIPIENT'S EXEMPT PURPOSE | $8,500 |
| 2023 | The James Irvine Foundation | For support of Elkhorn Slough Forever | $7,500 |
| 2023 | Silicon Valley Community Foundation | Environment | $6,500 |
| 2023 | Peggy and Jack Baskin Foundation | Discretionary Donation | $2,500 |
| 2023 | Coastal Barrier Island Foundation | GENERAL SUPPORT | $500 |
Showing 30 most recent of 51 recorded grants.
Frequently Asked Questions
Who funds Elkhorn Slough Foundation?
Elkhorn Slough Foundation is funded by 23 grantmakers, led by Helen and Will Webster Foundation ($1.7M), Barnet Segal Charitable Trust ($333K), Webb Family Foundation ($285K). In total, IRS Form 990 filings record $3.2M in grants to Elkhorn Slough Foundation between 2020–2025.
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 $3.2M in grants to Elkhorn Slough Foundation across 51 grants from 23 funders between 2020–2025. 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.