· Private foundation
Sibley-Saltonstall Charitable Foundation
Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2017–2025.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k48 grants · $181k
- $10k–50k18 grants · $271k
| Recipient | Amount |
|---|---|
| CATHEDRAL HOME FOR CHILDREN | $30,000 |
| MAINE AUDUBON SOCIETY | $25,000 |
| FLAGLER COLLEGE | $25,000 |
| BAPTIST HEALTH FOUNDATION | $25,000 |
| MAINE MEDICAL CENTER | $23,000 |
| SARASOTA MEMORIAL FOUNDATION | $15,000 |
| GULF OF MAINE RESEARCH | $14,000 |
| NATURE CONSERVANCY OF MAINE | $14,000 |
| SCHOODIC INSTITUTE | $10,000 |
| MENTAL HEALTH AMERICA | $10,000 |
| TIDEWALL FOUNDATION | $10,000 |
| GARY SINISE FOUNDATION | $10,000 |
| COMMUNITY FOUNDATION OF | $10,000 |
| MOTE MARINE FOUNDATION | $10,000 |
| ALL FAITHS FOOD BANK | $10,000 |
Do your dollars go where the need is?
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY17–25, $280k) land where the poverty rate runs at 11%, against an area that typically sits at 10%. 48% of those dollars go to grantees based in above-average-need neighborhoods. Your grants spread fairly evenly across need levels.
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.
Which US states your grants reach
US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.
Who you back again
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +41% since the first grant, against +27% for the ones you funded once.
104 repeat relationships — 59 still active in FY2025, 45 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, 91% of grant dollars renewed an existing relationship; $42k went to new ones.
Where new relationships form · theme of each grantee’s first grant
First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). The earliest year is left-censored: relationships that predate the data read as “new.” Theme is the grantee’s IRS cause.
Backed again, and grew
- MMaineHealth9× · 2017–2025 · $203k · revenue +196%
- FCFLAGLER COLLEGE INC4× · 2022–2025 · $100k · revenue +14%
- CHCathedral Home for Children3× · 2023–2025 · $90k · revenue +26%
Funded once
- CFCONSERVATION FOUNDATION OFone grant, 2022 · $10k
- KAKIDS AND ELDERS THROUGH ARTSone grant, 2024 · $10k
Children First Incone grant, 2024 · $10k · revenue 0%
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.
Maine Farmland Trust protects farmland, supports farmers, and advances the future of farming.
The mission of Midcoast Conservancy is to protect vital lands and waters on a scale that matters and to inspire wonder and action on behalf of all species and the Earth.
Rainforest trust saves endangered wildlife and protects our planet by creating rainforest reserves through partnerships, community engagement, and donor support.
The organization's mission is to conserve and promote new england's native plants to ensure healthy, biologically diverse landscapes.
The mission of Islesboro Islands Trust is to enhance the quality of residents' lives through the preservation of open space, educate all residents as to the value of the island's natural ecosystems, and act as an environmental advocate on…
The wildlands trust works throughout southeastern massachusetts to conserve and permanently protect native habitats, farmland, and lands of high ecologic and scenic value that serve to keep our communities healthy and our residents…
Kennebunk Land Trust's mission is to permanently conserve and steward land to benefit natural and human communities.
The mission of the mount desert land & garden preserve is to conserve and share the beauty of our historic lands and gardens.
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 endowment works collaboratively with partners in the public and private sectors to advance systemic, transformative, and sustainable change for the health and vitality of the nation's working forests and forest reliant communities.
We conserve land permanently to benefit the natural and human communities of western the Penobscot Bay region.
Eastern national promotes the public's understanding and support of america's national parks and other public trust partners by providing quality educational experiences, products and services.
For reference, the grantee most central to the portfolio’s shape is Fisher House Foundation Inc and the most unlike its peers is Dana-Farber Cancer Institute Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.
Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.
Your grantees are a median of 40 years old; the field is 16. You back the established end — and your money leans older still.
The field is 22% startups (under 5 years old) — 0% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 0.0% lost their exemption, against 13% of the field you don’t fund.
Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.
94 grantees tracked through their own filings, 2017–2025.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.
Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 94 of the 136 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
Go grantee by grantee — a decade per org, and how each moved after you funded them
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
- Who funds MaineHealth ↗
- Who funds FLAGLER COLLEGE INC ↗
- Who funds PROJECT GRACE ↗
- Who funds Cathedral Home for Children ↗
- Who funds Ketcha Outdoors ↗
- Who funds Maine Audubon Society ↗
- Who funds SCHOODIC INSTITUTE AT ACADIA NATIONAL PARK ↗
- Who funds Island Institute ↗
- Who funds Portland Museum of Art ↗
- Who funds NORTH FLORIDA LAND TRUST INC ↗
- Who funds Good Shepherd Food Bank ↗
- Who funds ALL FAITHS FOOD BANK INC ↗
- Who funds GARY SINISE FOUNDATION ↗
- Who funds FLAGLER HEALTH CARE FOUNDATION INC ↗
- Who funds THE NATURE CONSERVANCY ↗
- Who funds OCEAN CONSERVANCY ↗
- Who funds PREBLE STREET ↗
- Who funds Carolina Day School Inc ↗
- Who funds LAUREL CIVIC ASSOCIATION INC ↗
- Who funds THE ROOT CELLAR ↗
- Who funds A PLACE CALLED HOME ↗
- Who funds Dana-Farber Cancer Institute Inc ↗
- Who funds THE INN BETWEEN ↗
- Who funds RIDING TO THE TOP ↗
- Who funds Boys and Girls Club of Northeast Florida Inc ↗
- Who funds WORLD CENTRAL KITCHEN INC ↗
- Who funds ROCKY MOUNTAIN BIRD OBSERVATORY ↗
- Who funds MENTAL HEALTH AMERICA INC ↗
- Who funds Southern Appalachian Highlands Conservancy ↗
- Who funds THROUGH THESE DOORS ↗
- Who funds MIKEROWEWORKS FOUNDATION ↗
The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.
Open a dossier: Maine Community Foundation Inc · Saco & Biddeford Savings Charitable Foundation · Phineas W Sprague Memorial Foundation · Davis Conservation Foundation · Onion Foundation · Libra Foundation · The Widgeon Point Charitable Foundation · Morton-Kelly Charitable Trust · Elmina B Sewall Foundation · Ibm International Foundation · Sam L Cohen Foundation · Fisher Charitable Foundation
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.
Government reliance of your grantees
Every dot is one organization Sibley-Saltonstall Charitable Foundation funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal, a single department, or state — and drag the year to watch it move.
- Children First Inc — 100% of income from government
- North Florida Land Trust Inc — 81% of income from government
- New London Homeless Hospitality Center — 47% of income from government
- Horizons for Homeless Children — 21% of income from government
- Dana-Farber Cancer Institute Inc — 7% of income from government
- All Faiths Food Bank Inc — 1% of income from government
- Connecticut Audubon Society Inc — 1% of income from government
Government income is each org’s traced federal awards (USASpending — grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that your grant caused the public funding. Coverage is precision-first — a floor, not a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12–24 months.