· Private foundation
Sibbri Foundation
Its FY2024 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 FY2017–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k17 grants · $46k
- $10k–50k16 grants · $251k
- $50k–250k8 grants · $850k
- $250k+1 grant · $353k
| Recipient | Amount |
|---|---|
| THE TRUSTEES OF HAMILTON COLLEGE | $353,000 |
| UTICA UNIVERSITY | $225,000 |
| PRINCETON SYMPHONY ORCHESTRA | $150,000 |
| SIERRA CARES FOUNDATION | $100,000 |
| ELIJAH LIST MINISTRIES | $100,000 |
| THE FLORIDA ORCHESTRA | $95,000 |
| GROTON SCHOOL | $60,000 |
| SHERIFF'S MEADOW FOUNDATION | $60,000 |
| MARTHAS VINEYARD OCEAN ACADEMY | $60,000 |
| EVERY NATION EDUCATION INC | $40,000 |
| MIDDLEBURY COLLEGE | $25,000 |
| BRONX CONSERVATORY OF MUSIC | $20,000 |
| YALE UNIVERSITY | $20,000 |
| WILLIAMS COLLEGE | $15,000 |
| THE PENNINGTON SCHOOL | $15,000 |
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 (FY18–24, $80k) land where the poverty rate runs at 15%, against an area that typically sits at 10%. 94% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-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.
Where the work is directed
The same grants, placed two ways — where each recipient sits, and where its stated purpose earmarks the money.
About 17% of Sibbri Foundation’s grant dollars are earmarked, by their stated purpose, for a different county than the recipient’s own address — money that lands at a nonprofit in one place but is meant to do its work in another. Read by recipient address, 43% of the giving stays in NY; read by stated purpose it is 30% — less of the work is directed home than the recipients' locations suggest.
Recipient view: each grant at its grantee’s ZIP, mapped to a county. Directed view: each grant at the county its stated purpose names, falling back to the recipient’s county when the purpose names no place; US grants only. A county shows only if it carries the top 95% of that view’s dollars. Purposes are read from the foundation’s own 990 grant descriptions.
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.
48 repeat relationships — 32 still active in FY2024, 16 since wound down; 8 grantees were first funded in FY2024 (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 FY2024, 81% of grant dollars renewed an existing relationship; $215k 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
- SMSHERIFF'S MEADOW FOUNDATION7× · 2018–2024 · $463k · revenue +244%
Princeton Symphony Orchestra Inc4× · 2021–2024 · $445k · revenue +59%
GROTON SCHOOL7× · 2018–2024 · $256k · revenue +7%
Funded once
- WCWest Chop Preservation Foundationone grant, 2017 · $50k
- MMMATTHEWS MINISTRY INCone grant, 2023 · $50k · revenue -20%
- VPVINEYARD PUBLIC LIBRARYone grant, 2021 · $50k
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.
The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.
To educate students to be ethical and socially responsible leaders in a global community.
Since 1775, the mission of Hampden-Sydney College has been to form good men and good citizens in an atmosphere of sound learning.
Saint anselm is a catholic, benedictine college providing all of its students a distinctive liberal arts education that incorporates opportunities for professional and career preparation. it does so in a learning community that encourages…
Bates is a college of the liberal arts and sciences, and is a coeducational, nonsectarian, residential college with special commitments to academic rigor, and to assuring in all of its efforts the dignity of each individual, and access to…
Mitchell college educates students through a highly individualized educational approach that brings forward each student's potential, reveals their strengths, and fosters personal growth.
Founded by the sisters of charity of new york, the university of mount saint vincent is an academically excellent, authentically inclusive, catholic and ecumenical liberal arts university. (cont. in sch.o)
Research, education and general - princeton university is a private not-for-profit, non-sectarian institution of higher learning with approximately 5,700 undergraduate and 3,300 graduate students. 2,500 students graduated in the 2024-2025…
The University of New Haven is a student-centered comprehensive university with an emphasis on excellence in liberal arts and professional education. Our mission is to prepare our students to lead purposeful and fulfilling lives in a…
Dartmouth College educates the most promising students and prepares them for a lifetime of learning and of responsible leadership, through a faculty dedicated to teaching and the creation of knowledge.
Wilson college empowers students to be confident and critical thinkers, creative visionaries, effective communicators, honorable leaders, and agents of justice.
Wentworth institute of technology is a nationally recognized private coeducational and residential university of higher education with a mission to empower, inspire and innovate through experiential learning with a core purpose of career…
For reference, the grantee most central to the portfolio’s shape is Greenwich Academy Inc and the most unlike its peers is Operation Topcat. 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 33 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) — 3% 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.
64 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. 64 of the 98 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 Trustees of Hamilton College ↗
- Who funds UTICA UNIVERSITY ↗
- Who funds SHERIFF'S MEADOW FOUNDATION ↗
- Who funds MUSEUM OF FINE ARTS OF ST PETERSBURG FLORIDA INC ↗
- Who funds Princeton Symphony Orchestra Inc ↗
- Who funds GROTON SCHOOL ↗
- Who funds President and Fellows of Middlebury College ↗
- Who funds THE FLORIDA ORCHESTRA ↗
- Who funds ELIJAH LIST MINISTRIES INC ↗
- Who funds FOUNDATION FOR UNDERWAY EXPERIENTIA L LEARNING INC ↗
- Who funds Sierra Cares Foundation ↗
- Who funds BRONX CONSERVATORY OF MUSIC INC ↗
- Who funds OPERATION TOPCAT ↗
- Who funds BUCKINGHAM BROWNE & NICHOLS SCHOOL ↗
- Who funds CLINTON CENTRAL SCHOOL DISTRICT FOUNDATION ↗
- Who funds UNIVERSITY OF SAINT JOSEPH ↗
- Who funds Williams College ↗
- Who funds CLINTON CEMETERY ASSOCIATION INC ↗
- Who funds West Chop Preservation Foundation ↗
- Who funds MATTHEWS MINISTRY INC ↗
- Who funds THE CHAPIN SCHOOL LTD ↗
- Who funds EVERY NATION EDUCATION INC ↗
- Who funds The Pennington School ↗
- Who funds ALEXANDER TWILIGHT ACADEMY INC ↗
- Who funds DUTCH SHEETS MINISTRIES INC ↗
- Who funds Save the Storks ↗
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: The Ayco Charitable Foundation · The Karen a and Kevin W Kennedy Foundation · The William & Lia G Poorvu Family Foundation · Martha's Vineyard Bank Charitable Foundation Inc · Rockland Trust Charitable Foundation Inc · The Goldman Sachs Charitable Gift Fund · Ibm International Foundation · South Mountain Company Foundation · Martha's Vineyard Community Foundation Inc · Gretchen V & Samuel M Feldman Private Foundation Inc · Mutual Bancorp Foundation Inc Fka Cape Cod 5 Foundation Inc · Fidelity 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 Sibbri 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.
- Navigator Homes of Marthas Vineyard — 28% of income from government
- Martha's Vineyard Chamber Music Society Inc — 6% of income from government
- Princeton Symphony Orchestra Inc — 4% of income from government
- Sheriff's Meadow Foundation — 2% of income from government
- University of Saint Joseph — 2% of income from government
- Old Dartmouth Historical Society — 2% of income from government
- President and Fellows of Middlebury College — 1% of income from government
- Sail Martha's Vineyard Inc — 1% of income from government
- Buckingham Browne & Nichols School — 0% of income from government
- Williams College — 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.