Trout Unlimited
Funding Overview
From IRS Form 990 filings · 2019–2025
Total received
$9.4M
Foundation funders
55
Grants recorded
142
Years covered
2019–2025
Who funds Trout Unlimited?
Trout Unlimited is funded by 55 grantmakers, led by Ishiyama Foundation ($2.9M), Richard King Mellon Foundation ($1.5M), Wilburforce Foundation ($935K). In total, IRS Form 990 filings record $9.4M in grants to Trout Unlimited between 2019–2025.
Show all 55 funders
Funding over time
Grant dollars and counts received per year
From 2019 to 2025, annual grant giving ranged from $21K (2019) to $2.4M (2023). In 2025 it made 2 grants totaling $66K.
What grants has Trout Unlimited received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Ruggles Family Foundation | GENERAL PURPOSE | $50,000 |
| 2025 | Maybelle Clark Macdonald Fund | PROGRAM SUPPORT | $16,000 |
| 2024 | Ishiyama Foundation | CONSERVATION | $565,000 |
| 2024 | Wilburforce Foundation | ENVIRONMENTAL - TONGASS CONSERVATION | $140,000 |
| 2024 | Watersheds United Vermont Inc | CLEAN WATER DESIGN AND IMPLEMENTATION | $135,937 |
| 2024 | Stephanie & Lawrence Flinn Jrcharitable | ALL CONTRIBUTIONS ARE FOR THE GENERAL SUPPORT OF THE 501(C)(3) NON-PROFIT ORGANIZATIONS. | $100,000 |
| 2024 | Caerus Foundation Inc | Conservation Projects in WI | $100,000 |
| 2024 | Islands Fund | ENDING MINE CONTAMINATION AND WENATCHEE BEAVER PROJECT | $100,000 |
| 2024 | The Telluray Foundation | OURAY COUNTY ABANDONED MINE RECLAMATION | $64,000 |
| 2024 | The Keith Campbell Foundation | COLDWATER AND STREAM DELISTING | $50,000 |
| 2024 | Wilburforce Foundation | ENVIRONMENTAL - RIVER ADVOCACY IN CASCADIA 2024 | $50,000 |
| 2024 | Crawford Family Foundation | GENERAL SUPPORT | $50,000 |
| 2024 | The Roundhouse Foundation | THE SALMON SUPERHWY; DESCHUTES RESTORATION OUTREACH PROGRAM | $36,000 |
| 2024 | The Brookby Foundation | Scaling Enviro-DIY Monitoring and Engagement across the Great Lakes | $35,000 |
| 2024 | FJC | GENERAL OPERATING SUPPORT | $27,500 |
| 2024 | Richard C Adkerson Family Foundation | GENERAL PURPOSE | $20,000 |
| 2024 | Horizon Foundation Inc | General Support | $15,000 |
| 2024 | Ruggles Family Foundation | GENERAL PURPOSE | $14,000 |
| 2024 | Maybelle Clark Macdonald Fund | DESCHUTES STREAM CONNECTIONS PROGRAM | $12,000 |
| 2024 | Laird Norton Family Foundation | PROJECT SUPPORT FOR THE RESTORATION OF FANCY CREEK-RICHLAND COUNTY WI | $10,000 |
| 2024 | Grenold and Dorothy Collins Alaska Charitable Trust | ENVIRONMENTAL PROTECTION | $10,000 |
| 2024 | The Ron & Lydia Harrington Family | GENERAL SUPPORT | $7,500 |
| 2024 | Grey Rocks Foundation Inc | UNRESTRICTED DONATION | $2,000 |
| 2024 | The Rosenthal Family Foundation | TO SUPPORT EDUCATION OPPORTUNITIES FOR ALL CITIZENS TO ENGAGE IN A HEALTHY DEMOCRACY | $2,000 |
| 2024 | The Meier and Linnartz Family Foundation | GENERAL SUPPORT | $1,000 |
| 2023 | Ishiyama Foundation | CONSERVATION | $565,000 |
| 2023 | Richard King Mellon Foundation | TO PROVIDE TECHNICAL ASSISTANCE AND IMPLEMENT PROJECTS TO RESTORE AND RECONNECT COLD-WATER HABITAT TO IMPROVE EASTERN BROOK TROUT POPULATIONS IN PENNSYLVANIA | $300,000 |
| 2023 | Carroll Petrie Foundation | Conservation work in New Mexico and Colorado | $300,000 |
| 2023 | Richard King Mellon Foundation | TO WORK COLLABORATIVELY TO RECOVER WILD SALMON IN THE LARGEST HIGH-QUALITY HABITAT REMAINING IN THE LOWER 48 STATES | $150,000 |
| 2023 | Catena Foundation | KLAMATH - SUPPORT PROCESS-BASED RESTORATION IN THE UPPER KLAMATH BASIN TO ADDRESS NATIVE FISH HABITAT LOSSES AND BOOTLEG FIRE IMPACTS. | $148,489 |
Showing 30 most recent of 142 recorded grants.
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Frequently Asked Questions
Who funds Trout Unlimited?
Trout Unlimited is funded by 55 grantmakers, led by Ishiyama Foundation ($2.9M), Richard King Mellon Foundation ($1.5M), Wilburforce Foundation ($935K). In total, IRS Form 990 filings record $9.4M in grants to Trout Unlimited between 2019–2025.
Who is Trout Unlimited's largest funder?
Ishiyama Foundation is the largest recorded funder of Trout Unlimited, with $2.9M across 5 grants (2020–2024).
How much grant funding has Trout Unlimited received?
IRS 990 filings record $9.4M in grants to Trout Unlimited across 142 grants from 55 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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