· Private foundation
Confluence 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 FY2019–2025.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k19 grants · $63k
- $10k–50k7 grants · $132k
| Recipient | Amount |
|---|---|
| COLORADO PUBLIC RADIO | $35,000 |
| AMERICAN CIVIL LIBERTIES UNION FOUNDATION OF COLORADO INC | $30,000 |
| EMERIL LAGASSE FOUNDATION | $20,000 |
| TREES THAT FEED FOUNDATION | $15,000 |
| ST MATTHEWS HOUSE INC | $12,000 |
| GREATER BOSTON FOOD BANK | $10,000 |
| CROSSROADS FOR KIDS INC | $10,000 |
| WORLD BICYCLE RELIEF | $5,000 |
| MANNA FOODBANK | $5,000 |
| UNIVERSITY OF MASSACHUSETTS-AMHERST | $5,000 |
| HERITAGE MUSEUM AND GARDENS | $5,000 |
| DUXBURY RURAL & HISTORICAL SOCIETY | $5,000 |
| WORLD CENTRAL KITCHEN | $5,000 |
| ATLANTIC WHITE SHARK CONSERVANCY | $5,000 |
| ART COMPLEX INC | $5,000 |
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 (FY19–25, $16k) land where the poverty rate runs at 8%, against an area that typically sits at 10%. 6% 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 +46% since the first grant, against 0% for the ones you funded once.
26 repeat relationships — 22 still active in FY2025, 4 since wound down; 4 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; $8k 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
- AFACLU FOUNDATION OF COLORADO INC7× · 2019–2025 · $210k · revenue +49%
- TETHE EMERIL LAGASSE FOUNDATION7× · 2019–2025 · $150k · revenue +169%
- PBPUBLIC BROADCASTING OF COLORADO INC4× · 2022–2025 · $100k · revenue +9%
Funded once
- E2EXPIRATION 2050 INCone grant, 2019 · $5k
- SSSOUTH SHORE CONSERVATORY OF MUSIC INCone grant, 2024 · $1k · revenue 0%
- UCUMASS CHAN MEDICAL SCHOOL FOUNDATION INCone grant, 2024 · $1k
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.
Our mission is to ensure that the people of greater boston benefit from a vibrant, resilient, and inclusive waterfront, harbor, and islands; these spaces are equitable, accessible, and adapted to climate change; and to ensure our public,…
The purpose of the water research foundation (wrf) is a definitive research organization to advance the science of all things water to better meet the evolving needs of its subscribers and the water sector. to engage exclusively in…
National public radio, inc. ("npr") works collaboratively with member public radio station licensees ("member stations") to create a more informed public, one that is challenged and invigorated by a deeper understanding and appreciation of…
The organization's mission is to conserve and promote new england's native plants to ensure healthy, biologically diverse landscapes.
The mission of health care without harm (hcwh) is to transform health care worldwide so that it reduces its environmental footprint, becomes a community anchor for sustainability and a leader in the global movement for environmental health…
Mass general brigham health plan's mission is to promote the health and wellness of our members, and to help ensure equitable, affordbale health care for the diverse communities we serve.
The npr foundation ("foundation") is organized and operated exclusively for the benefit of its sole supported organization, national public radio, inc. ("npr inc."). the foundation supports npr inc. through various activities such as…
The nantucket conservation foundation owns, protects, and stewards over 9,000 acres of land and coastal shoreline, conserves nantucket's rare and significant natural resources, and engages in impactful ecological research to inform…
Brighton marine, inc. provides military and veteran families with comprehensive campus-based quality health care, as well as affordable and supportive housing for at-risk veterans and their families.
To provide exceptional healthcare services in a safe and trustful environment through the expertise, committment, and compassion of our family of caregivers.
Northeast college of health sciences (the college) is committed to academic excellence, leadership, and professional best practices in the health sciences.
For reference, the grantee most central to the portfolio’s shape is Crossroads for Kids Inc and the most unlike its peers is The Art Complex 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 28 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) — 4% of your grantees by number, and just 0% of your money.
The orgs you fund almost never close — 3% 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.
27 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. 27 of the 33 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 The Art Complex Inc ↗
- Who funds ACLU FOUNDATION OF COLORADO INC ↗
- Who funds THE EMERIL LAGASSE FOUNDATION ↗
- Who funds PUBLIC BROADCASTING OF COLORADO INC ↗
- Who funds TREES THAT FEED FOUNDATION ↗
- Who funds CROSSROADS FOR KIDS INC ↗
- Who funds GREATER BOSTON FOOD BANK INC ↗
- Who funds WORLD CENTRAL KITCHEN INC ↗
- Who funds American National Red Cross & Its Constituent Chapters and Branches ↗
- Who funds ST MATTHEWS HOUSE INC ↗
- Who funds DUXBURY RURAL & HISTORICAL SOCIETY INC ↗
- Who funds DUXBURY BAY MARITIME SCHOOL INC ↗
- Who funds HERITAGE MUSEUMS AND GARDENS INC ↗
- Who funds WORLD BICYCLE RELIEF NFP ↗
- Who funds FRIENDS OF THE SCITUATE SHELTER INC ↗
- Who funds WHITE HOUSE HISTORICAL ASSOCIATION ↗
- Who funds ATLANTIC WHITE SHARK CONSERVANCY INC ↗
- Who funds THE CAMERON M NEELY FOUNDATION FOR CANCER CARE INC ↗
- Who funds BASKET OF HOPE ↗
- Who funds HOMES FOR OUR TROOPS INC ↗
- Who funds EXPIRATION 2050 INC ↗
- Who funds MANNA FOOD BANK INC ↗
- Who funds GREG HILL FOUNDATION INC ↗
- Who funds Children's Hospital Corporation ↗
- Who funds SOUTH SHORE CONSERVATORY OF MUSIC INC ↗
- Who funds PROJECT GURNET & BUG LIGHTS INC ↗
- Who funds NAPLES ZOO 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: Eastern Bank Foundation · The Foundation for Creative Achievement Eve Grace Penoyer Ttee · The Safe Family Foundation 7549-Xxxxxx18003 · The Rice Family Charitable Foundation · Hoyt Charitable Foundation F Sherman Hoyt & · Boston Foundation Inc · National Philanthropic Trust · Morgan Stanley Global Impact Funding Trust Inc · The Bank of America Charitable Foundation Inc · Raymond James Charitable Endowment Fund · The Pfizer Foundation Inc · American Online Giving 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 Confluence 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.
- Greater Boston Food Bank Inc — 22% of income from government
- Children's Hospital Corporation — 10% of income from government
- Atlantic White Shark Conservancy Inc — 5% of income from government
- Crossroads for Kids 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.
Warm introductions · Powered by PlinthPlus
How do I get to Confluence Foundation?
Find your warmest path to Confluence Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.
Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.