· Private foundation
South Mountain Company 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 FY2017–2023.
Where the money goes
Your grants by size, and where they go.
| Recipient | Amount |
|---|---|
| MVYOUTH INC | $5,000 |
| MARTHA'S VINEYARD COMMUNITY SERVICES | $1,000 |
| HARBOR HOMES OF MARTHA'S VINEYARD | $1,000 |
| MVYOUTH INC | $1,000 |
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 (FY18–23, $11k) land where the poverty rate runs at 8%, against an area that typically sits at 10%. 3% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.
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 +34% since the first grant, against +28% for the ones you funded once.
36 repeat relationships — 3 still active in FY2023, 33 since wound down.
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 FY2023, 100% of grant dollars renewed an existing relationship; $0 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
- YGYou've Got a Friend Inc5× · 2018–2022 · $30k · revenue +46% · 52% of their budget
- MYMV YOUTH INC4× · 2020–2023 · $24k · revenue +31%
- MVMARTHA'S VINEYARD COMMUNITY SERVICES INC5× · 2018–2023 · $9k · revenue +171%
Funded once
- PEPERMANENT ENDOWMENT FOR MARTHA'S VINEYARDone grant, 2020 · $3k
- RIREFUGEE & IMMIGRANT CENTER FOR EDUCATION & LEGAL SERVICESone grant, 2018 · $3k · revenue -30%
- AIAmurtel Incgraduatedone grant, 2018 · $3k · revenue +65%
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.
Expand philanthropy on Marthas Vineyard and support its nonprofit organizations through capacity building and advocacy.
Safeguarding martha's vineyard's fishing heritage and future by supporting the island's small-boat owner-operated fishing fleets and their sustainably harvested catch.
The organization's primary mission is to acquire, restore, and maintain the historic landmarks of martha's vineyard and to preserve the island's unique character, cultural history, and heritage for the community and it's visitors.
The martha's vineyard museum inspires all people to discover, explore, and strengthen their connections to this island and its diverse heritage.
We are located on Martha's Vineyard and our mission is to foster the production of electricity from local, renewable resources while enhancing resiliency at our community's critical facilities and ensuring equitable access for all…
Vineyard lands for our community inc. (the organization) is a charitable educational and community organization that is actively engaged in solving island-wide needs with sustainable and viable solutions to preserve the character and life…
To produce public, education, and governmental (peg) access programming for the residents and organizations of the six communities of the island of martha's vineyard. in addition, the organization allocates channel space and time to…
Consulting on land preservation and limited development made available to the public.
The purpose of the foundation is to collect and distribute donations for charitable purposes on the island of martha's vineyard.
Hamv is a planning, advocacy, and community building organization whose mission is to ensure we have the services and infrastructure necessary to allow martha's vineyard's older adults to age in place.
The permanent endowment fund for martha's vineyard, the island's community foundation, puts charitable contributions to work for the people of martha's vineyard by makig grants that address community needs, funding scholarships for island…
To do all things related to creating a gathering place for people from all walks of life for educational offerings including, but not limited to, discussions, workshops, silent retreats, and the arts.
For reference, the grantee most central to the portfolio’s shape is Martha's Vineyard Community Services Inc and the most unlike its peers is Tisbury School Pto. 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 30 years old; the field is 17. You back the established end — and your money leans older still.
The field is 20% startups (under 5 years old) — 2% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 2% lost their exemption, against 11% 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.
65 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. 65 of the 90 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 You've Got a Friend Inc ↗
- Who funds MV YOUTH INC ↗
- Who funds MARTHA'S VINEYARD COMMUNITY SERVICES INC ↗
- Who funds VINEYARD CONSERVATION SOCIETY INC ↗
- Who funds ISLAND HOUSING TRUST CORPORATION ↗
- Who funds HARBOR HOMES OF MARTHA'S VINEYARD INC ↗
- Who funds AQUINNAH CULTURAL CENTER INC ↗
- Who funds REFUGEE & IMMIGRANT CENTER FOR EDUCATION & LEGAL SERVICES ↗
- Who funds Amurtel Inc ↗
- Who funds ISLAND GROWN INITIATIVE LTD ↗
- Who funds TISBURY SCHOOL PTO ↗
- Who funds MARTHA'S VINEYARD PLAYHOUSE INC ↗
- Who funds Vineyard Energy Project Inc ↗
- Who funds WORLD CENTRAL KITCHEN INC ↗
- Who funds VINEYARD MONTESSORI SCHOOL INC ↗
- Who funds HAITIAN EDUCATION AND LEADERSHIP PROGRAM ↗
- Who funds MARTHA'S VINEYARD CEREBRAL PALSY CAMP INC ↗
- Who funds HOSPICE OF MARTHA'S VINEYARD INC DBA HOSPICE AND PALLIATIVE CARE OF MARTHA'S ↗
- Who funds GARDEN GATE CHILD DEVELOPMENT CENTER INC ↗
- Who funds ALZHEIMER'S DISEASE RESEARCH FOUNDATION ↗
- Who funds ECONOMIC DEVELOPMENT AND EMPOWERMENT THROUGH MENTORING ↗
- Who funds MARTHA'S VINEYARD COMMUNITY FOUNDATION INC ↗
- Who funds Vineyard House Inc ↗
- Who funds HABITAT FOR HUMANITY OF MARTHA'S VINEYARD INC ↗
- Who funds MARTHA'S VINEYARD BOYS & GIRLS CLUB INC ↗
- Who funds Woodwell Climate Research Center Inc ↗
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: Martha's Vineyard Bank Charitable Foundation Inc · Martha's Vineyard Community Foundation Inc · Stonehouse Inc · The Peter and Elizabeth C Tower Foundation · Gretchen V & Samuel M Feldman Private Foundation Inc · Tower Family Fund Inc · Permanent Endowment Fund for Martha's Vineyard · Slough Farm Foundation · Mutual Bancorp Foundation Inc Fka Cape Cod 5 Foundation Inc · Boston Foundation Inc · Mv Vision Fellowship Fund · Henry & Anne Garfinkle Foundation Inc
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 South Mountain Company 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.
- Cooperative Development Institute Inc — 58% of income from government
- Marthas Vineyard Center for Living Inc — 40% of income from government
- Martha's Vineyard Community Foundation Inc — 34% of income from government
- Martha's Vineyard Boys & Girls Club Inc — 30% of income from government
- The Yard Inc — 28% of income from government
- Woodwell Climate Research Center Inc — 11% of income from government
- Center for Ecotechnology Inc — 9% of income from government
- Hospice of Martha's Vineyard Inc Dba Hospice and Palliative Care of Martha's — 5% of income from government
- Martha's Vineyard Community Services Inc — 3% of income from government
- Sheriff's Meadow Foundation — 2% of income from government
- Martha's Vineyard Playhouse Inc — 2% of income from government
- Harbor Homes of Martha's Vineyard Inc — 1% of income from government
- Island Housing Trust Corporation — 1% of income from government
- Biodiversityworks Inc — 0% of income from government
- Island Grown Initiative Ltd — 0% 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.