· Private foundation
The Sonia Alden Foundation Inc Co Dr Cathy Friedman
Its FY2025 filing reports that it accepted unsolicited grant applications.
What you funded, over time
Every grant clustered by its grantee’s IRS cause code (NTEE), by year — across FY2017–2025.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2025
- Under $10k6 grants · $13k
- $10k–50k3 grants · $34k
| Recipient | Amount |
|---|---|
| MASTER VOICES | $12,250 |
| ROOMFUL OF TEETH VOCAL ARTS PROJECT | $11,500 |
| SOUTHERN JEWISH RESOURCE NETWORK SO | $10,000 |
| HOFF-BARTHELSON MUSIC SCHOOL | $4,000 |
| UNIVERSAL TECH INSTITUTE | $3,000 |
| WASHINGTON UNIVERSITY | $2,500 |
| NORTH KINGSTOWN COMMUNITY CHORUS | $2,000 |
| NEW YORK PET RESCUE | $500 |
| Individual grant recipient | $500 |
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 (FY17–19, $314) land where the poverty rate runs at 13%, against an area that typically sits at 12%. 100% 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.
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.
77 repeat relationships — 7 still active in FY2025, 70 since wound down; 2 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, 71% of grant dollars renewed an existing relationship; $14k 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
- SFSOUTH FLORIDA SYMPHONY ORCHESTRA INC8× · 2017–2024 · $199k · revenue +8%
- HMHOFF-BARTHELSON MUSIC SCHOOL9× · 2017–2025 · $97k · revenue +9%
- MCMIAMI CITY BALLET INC6× · 2017–2022 · $46k · revenue +46%
Funded once
- NYNew York Universitygraduatedone grant, 2017 · $11k · revenue +76%
- CSCLAUDIA SCHREIER CHOREOGRAPHY INCone grant, 2023 · $8k · revenue -71% · 25% of their budget
- TRTOMORROW RAINBOW INCone grant, 2020 · $5k
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.
Operate a state-of-the-art, world-class genomic research center that creates and uses advanced genomics to understand the genetic basis of disease. for more information, see schedule o.
Chartered by a unanimous act of congress, the museum is america's national institution for the documentation, study, interpretation, and education of holocaust history and serves as our country's memorial to the victims of the holocaust.…
The institute for advanced study (the institute) is one of the world's leading centers for theoretical research and intellectual inquiry. see schedule o.
Manhattan school of music is deeply committed to excellence in education, performance, and creative activity; to the humanity of the school's environment; and to the cultural enrichment of the larger community. a premiere international…
We believe opera is a uniquely compelling, entertaining and emotionally thrilling art form. our mission is to bring together growing audiences to experience opera's transformative power.
The metropolitan museum of art collects, studies, conserves, and presents significant works of art across all times and cultures in order to connect people to creativity, knowledge, and ideas.
For over 150 years, the 92nd street y, new york has been serving its communities and the larger world by bringing people together (continued on schedule o)and providing exceptional, groundbreaking programs in the performing and visual…
Perform, promote and sustain classical ballet.
El museo's mission is to preserve, interpret, and promote the artistic heritage of puerto ricans and all latin americans in the united states by means of exhibitions, public programs, publications, and educational activities.
Nysci's mission is to nurture generations of passionate learners, critical thinkers, and active citizens through design make play - an approach to learning and engagement that is deeply rooted in research on stem learning and guides the…
Description of organization mission: the paley center for media is the premier institution dedicated to advancing the understanding of media-it's artistic value, social impact and historical importance-for the public and media…
See Form 990, Part I, Line 1, Description of Organization Mission.
For reference, the grantee most central to the portfolio’s shape is The Philharmonic Symphony Society of Ny Inc and the most unlike its peers is Mustard Seed Society 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 44 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 — 1% 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.
67 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. 67 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 SOUTH FLORIDA SYMPHONY ORCHESTRA INC ↗
- Who funds MASTERVOICES INC ↗
- Who funds HOFF-BARTHELSON MUSIC SCHOOL ↗
- Who funds MIAMI CITY BALLET INC ↗
- Who funds FLORIDA GRAND OPERA INC ↗
- Who funds SOUTHERN JEWISH RESOURCE NETWORK INC ↗
- Who funds WASHINGTON UNIVERSITY ↗
- Who funds THE ACTORS' FUND OF AMERICA ↗
- Who funds Camp Live Oak Inc ↗
- Who funds New York University ↗
- Who funds FRACTURED ATLAS INC ↗
- Who funds THE FORT LAUDERDALE CHILDREN'S THEATRE INC ↗
- Who funds ROYAL DAMES OF CANCER RESEARCH INC ↗
- Who funds CLAUDIA SCHREIER CHOREOGRAPHY INC ↗
- Who funds LYNN UNIVERSITY INC ↗
- Who funds TRIPLE SHADOW INC ↗
- Who funds THE PERLMAN MUSIC PROGRAM INC ↗
- Who funds NATIONAL SCLERODERMA FOUNDATION INC ↗
- Who funds American Museum of Natural History ↗
- Who funds Island City Stage 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: Community Foundation of Broward Inc · Funding Arts Broward Inc · The New York Community Trust · Jewish Communal Fund · Jpmorgan Chase Foundation · Morgan Stanley Global Impact Funding Trust Inc · Network for Good · National Philanthropic Trust · The Bank of America Charitable Foundation Inc · Donor Advised Charitable Giving Inc · Vanguard Charitable Endowment Program · Fidelity Investments Charitable Gift Fund
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 The Sonia Alden Foundation Inc Co Dr Cathy Friedman 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.
- The Kennedy Collective Inc — 79% of income from government
- Adler Aphasia Center — 12% of income from government
- The Shriners' Hospital for Children — 6% of income from government
- Lynn University Inc — 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.
Warm introductions · Powered by PlinthPlus
How do I get to The Sonia Alden Foundation Inc Co Dr Cathy Friedman?
Find your warmest path to The Sonia Alden Foundation Inc Co Dr Cathy Friedman 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.