· Private foundation
Ruth McC Tankersley Charitable Fnd
Its FY2025 filing reports that it accepted unsolicited grant applications.
What it funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.
Where the money goes
Grants by size, and the largest recipients.
By grant size · FY2025
- Under $10k4 grants · $20k
- $10k–50k15 grants · $340k
- $50k–250k21 grants · $2.0M
- $250k+3 grants · $2.4M
| Recipient | Amount |
|---|---|
| Michaels Foundation | $950,000 |
| World Resources Institute | $700,000 |
| Woodwell Climate Research Cntr | $700,000 |
| Michaels Foundation | $200,000 |
| The Gregory School | $150,000 |
| St Matthews Episcopal Church Chand | $150,000 |
| Community Fnd of Southern AZ | $150,000 |
| Nature Forward | $115,000 |
| Elusen Inc | $104,000 |
| Michaels Foundation | $100,000 |
| Community Fnd for Southern AZ | $96,000 |
| Michaels Foundation | $86,000 |
| St Michaels Parish Day School | $85,000 |
| Flandrau Science Center Planetarium | $85,000 |
| UA Foundation fbo Cooper Center | $85,000 |
Does the money reach high-need areas?
Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.
Its human-services grants (FY18–25, $4.6M) land where the poverty rate runs at 11%, against an area that typically sits at 10%. 46% of those dollars go to grantees based in above-average-need neighborhoods. Its grants spread fairly evenly across need levels.
How this is measured
Which US states its grants reach
How this is measured
Who it funds again
Organizations funded in more than one year, against those funded once.
Grantees it renews have grown median revenue +47% since the first grant, against +27% for those funded once.
85 repeat relationships: 30 still active in FY2025, 55 since wound down; 6 grantees were first funded in FY2025 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2025, 96% of grant dollars renewed an existing relationship; $170k went to new ones.
Where new relationships form · theme of each grantee’s first grant
How this is measured
Backed again, and grew
Woodwell Climate Research Center Inc8× · 2018–2025 · $5.4M · revenue +96%
WORLD RESOURCES INSTITUTE8× · 2018–2025 · $5.1M · revenue +52%- MFMICHAEL'S FOUNDATION INC7× · 2019–2025 · $4.4M · revenue ×13 · 100% of their budget
Funded once
- IGIndividual grant recipientone grant, 2017 · $500k
- IGIndividual grant recipientone grant, 2017 · $467k
- UFUA FOUNDATION CALS-ACBSone grant, 2019 · $337k
How this is measured
Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.
Closest unfunded matches
The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.
Mission is to seek protection of land and water resources through restoration and conservation; and conducting education and outreach on the ecological and economic importance of natural lands. we protect land from development and protect…
We harness the power of plants for humankind and share the joy and beauty of tropical gardening with everyone. fairchild tropical botanic garden is a museum of tropical plants within a world famous, 83-acre designed landscape. it was…
Project drawdown's mission is to drive meaningful climate action by advancing science-based solutions and strategies. project drawdown's work is focused on three pillars: science - advancing science-based climate solutions and strategies;…
Colorado open lands' mission is to preserve the significant open lands and natural heritage of colorado through private and public partnerships, innovative land conservation, and strategic leadership.
Ci works to spotlight and secure the critical benefits that nature provides to humanity.
Organization mission: florida's children first is a non-profit, nonpartisan, independent advocacy organization committed to protecting and advancing the rights of children and youth impacted by the child welfare, juvenile justice, and…
Wwf's mission is to conserve nature and reduce the most pressing threats to the diversity of life on earth. (continued on schedule o)
Rainforest trust saves endangered wildlife and protects our planet by creating rainforest reserves through partnerships, community engagement, and donor support.
Friends of the earth strives for a more healthy and just world by defendng the environment and human health while advancing social and economic justice by conducting research and education, transforming the economy so it protects the…
The fund was created because the florida legislature found there was a need to increase the availability of seed capital and early stage venture equity capital for emerging companies in the state, including, without limitation, enterprises…
To foster philanthropy across charlotte county to enhance our community for generations.
To prevent cruelty to animals, we promote enacting and enforcing good public policies. enacting good laws depends upon electing good lawmakers, and we remind voters which candidates care about and support animal issues.
How this is measured
60 grantees tracked through their own filings, 2017–2026.
Each grant beside the grantee’s revenue from every source, year by year.
How this is measured
Counted here: distinct organizations funded across 2017 to 2026, not grant rows in a single year, so this will not match the grant count on the cover. 60 of the 214 grantees resolved in that span have returns of their own we could reconcile.
Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.
Where the money sits, by cause and then by grantee
Showing the 200 largest grantees by grant value.
Each grantee by its size and the funder’s share of it; top left is load-bearing
Grantee by grantee: a decade per organization, before and after funding
A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.
- Who funds Woodwell Climate Research Center Inc ↗
- Who funds WORLD RESOURCES INSTITUTE ↗
- Who funds MICHAEL'S FOUNDATION INC ↗
- Who funds THE GREGORY SCHOOL ↗
- Who funds HEAVENLY HOOFS INC ↗
- Who funds ROLLINS COLLEGE ↗
- Who funds ELUSEN INC ↗
- Who funds Defenders of Wildlife ↗
- Who funds Nature Forward ↗
- Who funds ARIZONA BURN FOUNDATION INC ↗
- Who funds Friends of Hutto Dog Park INC ↗
- Who funds TUCSON CHILDREN'S MUSEUM INC DBA CHILDREN'S MUSEUM TUCSON ↗
- Who funds COLLEGE BOUND INC ↗
- Who funds Therapeutic Riding of Tucson Inc ↗
Co-funders
Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.
Open a dossier: Community Foundation for Southern Arizona · Duke Energy Foundation · Arizona Community Foundation · Connie Hillman Family Foundation · Sundt Foundation · The Hs Lopez Family Foundation · Edward Jones Foundation · Enterprise Holdings Foundation · The Chicago Community Trust · The Pfizer Foundation Inc · Charities Aid Foundation America · American Online Giving Foundation Inc
How this is measured
How much its grantees rely on government
Each dot is one organization Ruth McC Tankersley Charitable Fnd funds: left to right is the share of its income from government, bottom to top the share from Ruth McC Tankersley Charitable Fnd. Bigger dots raise more.
- Nature Forward: 32% of income from government
- Woodwell Climate Research Center Inc: 11% of income from government
- Hapco Music Foundation Inc: 5% of income from government
- Aspire Health Partners Inc: 2% of income from government
- Pace Center for Girlsinc: 2% of income from government
- Rollins College: 0% of income from government
How this is measured
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