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· Private foundation

Rosso Family Foundation

Its FY2026 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$1.1M
Granted FY2026still arriving
23
Grants FY2026still arriving
5
States reached
$275k
Largest
01What it funds
0194% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Arts & Culture$2.2MEnvironment$666kEducation$662kAnimals$627kHuman Services$373kRecreation & Sports$205kYouth Development$174kHealth$114kOther$0
02FY2026 · 23 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2026

  • Under $10k9 grants · $15k
  • $10k–50k9 grants · $192k
  • $50k–250k4 grants · $575k
  • $250k+1 grant · $275k
$15,000
Median grant
5
States reached
$2.9M
Total assets
Largest grants
RecipientAmount
SCRIPPS HEALTH FOUNDATION$275,000
THE BISHOP'S SCHOOL$220,100
SAN DIEGO SYMPHONY$188,000
SAN DIEGO ZOO WILDLIFE ALLIANCE$110,000
SAN DIEGO PADRES FOUNDATION$56,800
THE NEW CHILDREN'S MUSEUM$40,000
LA JOLLA COUNTRY DAY SCHOOL$40,000
SALVATION ARMY WOMENS AUX$20,300
SANTA FE CHRISTIAN SCHOOLS$20,000
MUSEUM OF CONTEMPORARY ART$20,000
MARANTHA CHRISTIAN SCHOOL$16,300
RONALD MCDONALD HOUSE CHARITIES$15,000
KELLOGG SCH OF MGMT$10,000
UNIVERSITY OF SOUTHERN CALIFORNIA$10,000
CAP GIVING$8,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY17–26, $62k) land where the poverty rate runs at 11%, against an area that typically sits at 10%. 93% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 10%SHARE OURSELVES: $1k → 10%PROJECT HOPE FOUNDATION: $2k → 10%SHARE OURSELVES: $1k → 10%SHARE OURSELVES: $500 → 10%WOUNDED WARRIOR PROJECT: $2k → 11%WOUNDED WARRIOR PROJECT: $500 → 11%WOUNDED WARRIOR PROJECT: $500 → 11%MIRACLE BABIES: $1k → 11%WOUNDED WARRIOR PROJECT: $500 → 11%AMERICAN RED CROSS: $500 → 11%CASA DE AMPARO: $17k → 11%CASA DE AMPARO: $10k → 11%CASA DE AMPARO: $7k → 11%CASA DE AMPARO: $5k → 11%CASA DE AMPARO: $3k → 11%CASA DE AMPARO: $3k → 11%CASA DE AMPARO: $2k → 11%MAGDALENA ECKE FAMILY YMCA: $500 → 11%SAY SAN DIEGO: $4k → 11%SAY SAN DIEGO: $1k → 11%SAY SAN DIEGO: $1k → 11%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

ID
IL
CA
VA
MD
TN
NC
SC
DC
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

93%of every dollar goes to organizations it has funded before.
$5.7M · 50 repeat orgs$426k to everyone else

50 repeat relationships: 14 still active in FY2026, 36 since wound down; 8 grantees were first funded in FY2026 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

50
45

Total granted

$5.7M
$354k

Median revenue growth · since first grant

+17%
+31%

Still filing today

40%
36%

New vs renewed · share of each year

In FY2026, 93% of grant dollars renewed an existing relationship; $72k went to new ones.

50%100%’17’18’19’21’22’23’24’25’26
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’21’22’23’24’25’26
Human ServicesArts & CultureHealthEducationEnvironmentPhilanthropyOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). 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

  • TS
    THE SAN DIEGO SYMPHONY ORCHESTRA ASSOCIATION
    9× · 2017–2026 · $1.7M · revenue +38%
  • TN
    THE NEW CHILDRENS MUSEUM
    9× · 2017–2026 · $585k · revenue +19%
  • SH
    SCRIPPS HEALTH
    4× · 2021–2026 · $356k · revenue +37%

Funded once

  • SD
    SAN DIEGO ZOO PENGUIN EXHIBIT
    one grant, 2017 · $250k
  • RS
    RITZ SAN DIEGO ZOO
    one grant, 2019 · $25k
  • TC
    THE CROHNS COLITIS FOUNDATION
    one grant, 2023 · $10k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Southern California University of Health Sciences

The mission of southern california university of health sciences (scu) is to educate students as competent, caring and successful practitioners of integrative healthcare. the university is committed to providing excellence in academics,…

Education
2
Sutter Bay Hospitals

MISSION STATEMENT: MISSION: CARING FOR OUR PATIENTS FIRST AND OUR PEOPLE ALWAYS. VISION: TO BE THE MOST COMPREHENSIVE, INTEGRATED AND CONNECTED HEALTH SYSTEM FOR GETTING AND STAYING WELL. VALUES: EXCELLENCE - We deliver high-quality,…

Health
3
The San Diego Foundation

The san diego foundation inspires enduring philanthropy and enables community solutions to improve the quality of life in our region.

Philanthropy
4
San Francisco Museum of Modern Art

See schedule osfmoma believes the art of our time is vital and shares it with passion and purpose, and that art and the creative process can open minds and help build a better world. for that reason, we assemble unparalleled collections,…

Arts & Culture
5
Connect Foundation

Connect is an innovation instigator established to cultivate san diego's life science and tech communities. a trusted partner for more than 30 years, we propel our region's entrepreneurs as they create and scale their companies from…

Education
6
The Board of Trustees of the Leland Stanford Junior University

Stanford university is one of a select group of american universities that have achieved eminence in both undergraduate and graduate education and research - cont'd sch o.

Education
7
Cedars-Sinai Medical Center

As a leading academic healthcare organization, our mission is to elevate the health status of the communities we serve.(see schedule o for continuation)(continued)-we deliver exceptional healthcare enhanced by research and education-we…

Health
8
San Diego Children's Discovery Museum

San diego children's discovery museum sparks a love of learning so all children can discover their wildest dreams. our vision for the future is to be the leaders in inventive early childhood learning. our values: we aspire to serve all…

Arts & Culture
9
San Diego Historical Society

The mission of the san diego history center is to preserve our region's history - tell the diverse story of our region's past, present, and future; educate and enrich our community; and foster civic pride.

—
10
Memorial Sloan-Kettering Cancer Center

Leadership in the prevention, treatment, and cure of cancer through excellence, vision and cost effectiveness in patient care, outreach programs, research, and education.

Health
11
San Jose Children's Discovery Museum

Children's discovery museum of san jose inspires creativity, curiosity and lifelong learning.

Arts & Culture
12
New York University

Nyu is a private university with approximately 60,000 matriculating students in 20 schools and institutes. nyu's primary missions are education, research and scholarship, and patient care.

Education
How this is measured
The grantee most central to the portfolio’s shape is Make-a-Wish Foundation of San Diego; the most unlike its peers is Friends of the Fullerton Arboretum. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

40 grantees tracked through their own filings, 2017–2026.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2026, not grant rows in a single year, so this will not match the grant count on the cover. 40 of the 104 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
2
Early backer (in before they grew)
38/40
Grantees still filing
29/40
Grew since first funded

Where the money sits, by cause and then by grantee

BISHOP SCHOOL: $509,509 · OtherBISHOP SCHOOLSCRIPPS FOUNDATION: $400,810 · OtherSCRIPPS FOUNDATIONSAN DIEGO PADRES FOUNDATION: $275,100 · OtherSAN DIEGO PADRES FOUNDATIONSAN DIEGO ZOO PENGUIN EXHIBIT: $250,000 · OtherSAN DIEGO ZOO PENGUIN EXHIBITRONALD MCDONALD HOUSE CHARITIES: $235,000 · OtherRONALD MCDONALD HOUSE CHARITIESNICE GUYS: $167,640 · OtherNICE GUYSSAN DIEGO ZOO: $163,000 · OtherSAN DIEGO ZOOLA JOLLA COUNTRY DAY SCHOOL: $93,000 · Other+67 more: $450,846 · Other+67 moreTHE SAN DIEGO SYMPHONY ORCHESTRA ASSOCIATION: $1,745,000 · Arts & CultureTHE SAN DIEGO SYMPHONY ORCHESTRA ASSOCIATIONTHE NEW CHILDRENS MUSEUM: $585,350 · Arts & CultureTHE NEW CHILDRENS MUSEUMMUSEUM OF CONTEMPORARY ART SAN DIEGO: $97,500 · Arts & Culture+3 more: $21,500 · Arts & CultureSCRIPPS HEALTH: $356,000 · Health+5 more: $8,202 · HealthLIVING DESERT THE: $265,000 · Environment+1 more: $270 · EnvironmentZOOLOGICAL SOCIETY OF SAN DIEGO: $249,300 · AnimalsSANTA FE CHRISTIAN SCHOOLS: $127,601 · EducationUNIVERSITY OF SOUTHERN CALIFORNIA: $47,500 · EducationDiegueno Esteem Foundation Inc: $6,500 · Education+3 more: $7,000 · EducationCasa De Amparo: $46,177 · Human ServicesSOCIAL ADVOCATES FOR YOUTH SAN DIEGO INC: $5,695 · Human ServicesWOUNDED WARRIOR PROJECT INC: $3,500 · Human ServicesShare Our Selves Corporation: $2,500 · Human Services+4 more: $4,000 · Human Services
Other$2,544,905Arts & Culture$2,449,350Health$364,202Environment$265,270Animals$249,300Education$188,601Human Services$61,872

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetTHE SAN DIEGO SYMPHONY ORCHESTRA ASSOCIATION: $1,745,000 over 9y, 0.7% of budgetTHE NEW CHILDRENS MUSEUM: $585,350 over 9y, 5.1% of budgetSCRIPPS HEALTH: $356,000 over 4y, 0.0% of budgetLIVING DESERT THE: $265,000 over 6y, 0.7% of budgetZOOLOGICAL SOCIETY OF SAN DIEGO: $249,300 over 4y, 0.0% of budgetSANTA FE CHRISTIAN SCHOOLS: $127,601 over 6y, 0.2% of budgetMUSEUM OF CONTEMPORARY ART SAN DIEGO: $97,500 over 3y, 1.5% of budgetLA JOLLA COUNTRY DAY SCHOOL: $93,000 over 3y, 0.1% of budgetUNIVERSITY OF SOUTHERN CALIFORNIA: $47,500 over 9y, 0.0% of budgetCasa De Amparo: $46,177 over 7y, 0.2% of budgetUNIVERSITY OF SAN DIEGO: $10,000 over 1y, 0.0% of budgetDiegueno Esteem Foundation Inc: $6,500 over 2y, 14% of budgetSOCIAL ADVOCATES FOR YOUTH SAN DIEGO INC: $5,695 over 3y, 0.0% of budgetSOLANA SANTA FE PARENT TEACHER ORGANIZATION: $5,000 over 1y, 2.5% of budgetWOUNDED WARRIOR PROJECT INC: $3,500 over 4y, 0.0% of budgetRancho Santa Fe California Little League: $3,000 over 2y, 1.0% of budgetPANCREATIC CANCER ACTION NETWORK INC: $2,800 over 2y, 0.0% of budgetShare Our Selves Corporation: $2,500 over 3y, 0.0% of budgetMAKE-A-WISH FOUNDATION OF AMERICA: $2,500 over 5y, 0.0% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC: $2,500 over 5y, 0.0% of budgetPROJECT HOPE FOUNDATION INC: $2,000 over 1y, 0.0% of budgetNEUROLAB 360: $2,000 over 1y, 0.1% of budgetMAKE-A-WISH FOUNDATION OF SAN DIEGO: $1,500 over 3y, 0.0% of budgetGARY SINISE FOUNDATION: $1,500 over 3y, 0.0% of budgetFEEDING SAN DIEGO: $1,500 over 3y, 0.0% of budgetUNIVERSITY OF CALIFORNIA IRVINE FOUNDATION: $1,000 over 1y, 0.0% of budgetCONCORDIA UNIVERSITY IRVINE: $1,000 over 1y, 0.0% of budgetMIRACLE BABIES: $1,000 over 1y, 0.1% of budgetSAN DIEGO MUSEUM OF ART: $1,000 over 1y, 0.0% of budgetNATIONAL MULTIPLE SCLEROSIS SOCIETY: $800 over 2y, 0.0% of budgetJONI AND FRIENDS: $500 over 1y, 0.0% of budgetVOICES OF OUR CITY CHOIR INC: $500 over 1y, 0.2% of budgetJACOBS & CUSHMAN SAN DIEGO FOOD BANK: $500 over 1y, 0.0% of budgetRANCHO PENASQUITOS LITTLE LEAGUE: $500 over 1y, 0.3% of budgetYMCA OF SAN DIEGO COUNTY: $500 over 1y, 0.0% of budgetAmerican National Red Cross & Its Constituent Chapters and Branches: $500 over 1y, 0.0% of budgetFriends of the Fullerton Arboretum: $270 over 1y, 0.1% of budgetLUCKY DUCK FOUNDATION: $102 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds THE SAN DIEGO SYMPHONY ORCHESTRA ASSOCIATION ↗
  • Who funds THE NEW CHILDRENS MUSEUM ↗
  • Who funds SCRIPPS HEALTH ↗
  • Who funds LIVING DESERT THE ↗
  • Who funds ZOOLOGICAL SOCIETY OF SAN DIEGO ↗
  • Who funds SANTA FE CHRISTIAN SCHOOLS ↗
  • Who funds MUSEUM OF CONTEMPORARY ART SAN DIEGO ↗
  • Who funds LA JOLLA COUNTRY DAY SCHOOL ↗
  • Who funds UNIVERSITY OF SOUTHERN CALIFORNIA ↗
  • Who funds Casa De Amparo ↗
  • Who funds THE MUSEUM OF CONTEMPORARY ART LOS ANGELES ↗
  • Who funds UNIVERSITY OF SAN DIEGO ↗
  • Who funds Diegueno Esteem Foundation Inc ↗
  • Who funds SOCIAL ADVOCATES FOR YOUTH SAN DIEGO INC ↗
  • Who funds SOLANA SANTA FE PARENT TEACHER ORGANIZATION ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

The San Diego FoundationCA25.5× affinity11 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The San Diego Foundation · Jewish Community Foundation of San Diego · Sempra Foundation · David C Copley Foundation · Rancho Santa Fe Foundation · Price Philanthropies Foundation · The Conrad Prebys Foundation · The Country Friends · Kerr Family Foundation · Masserini Maurice J Tua · Pratt Memorial Fund · Walter J & Betty C Zable Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization Rosso Family Foundation funds: left to right is the share of its income from government, bottom to top the share from Rosso Family Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%1%3%6%10%funder's share of their income ↑0%10%20%30%40%share of the org’s income from government →median 0%
  • Wounded Warrior Project Inc: 0% of income from government
no gov moneyreceives it· size = income
0get no government money at all
9report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–40%
typical government reliance, FY20–25
How this is measured
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 a grant caused the public funding. Coverage is precision-first, a floor rather than 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 to 24 months.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 104 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990-PF e-file return for fiscal year 2026, released 2026. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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