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California · Private foundation

Oppenheimer Family Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$130k
Granted FY2025(still arriving)
15
Grants FY2025
19
Organizations funded FY2024
5%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$5,000
Largest grant, FY2025
$56,500
Organizations funded a year
14 to 24
FY2020 to FY2024
States reached, FY2025
3
Total assets, FY2025
$641k
Applications
Takes unsolicited applications
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 5% of the organizations Oppenheimer Family Foundation funded were first-time grantees, receiving 2% of its grant dollars.

New vs renewed · share of each year

In FY2024, 98% of grant dollars renewed an existing relationship; $5k went to new ones.

50%100%’21’22’23’24
RenewedFirst-time

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

’21’22’23’24
Arts & CultureRecreation & SportsEducationEnvironmentFood & NutritionHuman ServicesOther
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.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving15$130k13%
FY202419$301k5%
FY202323$263k43%
FY202214$372k36%
FY202117$292k76%
FY202024$906kn/a
85% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2024.

Education$805kArts & Culture$390kReligion$71kRecreation & Sports$66kFood & Nutrition$64kHuman Services$63kHousing & Shelter$30kEnvironment$20kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

IL
NY
MA
OH
CA
NC
DC
FL

Top grantees

Largest recipients by total granted, FY2020 to FY2025, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Lake Forest College$700,00040%
Live the Spirit Residency$105,000443%
Merit School of Music$56,00053%
Jazz Institute of Chicago$40,00046%
Colel Chabad$36,0002n/a
Hyde Park Jazz Festival$35,80053%
Greater Chicago Food Depository$33,50030%
The Ojai Valley Land Conservancy$31,10040%
Chicago Jazz Philharmonic$30,00042%
Chicago Chess Foundation$30,000121%
Show all 33 grantees

What it could do for these grantees

Plus 22 recipients with no EIN on record ($872k), not named here.

Where it is load-bearing

Oppenheimer Family Foundation supplied at least a quarter of the budget for 1 of its grantees at some point. The chart plots its 30 largest grantees; load-bearing ones sit top left.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetLake Forest College: $700,000 over 4y, 0.3% of budgetLive the Spirit Residency: $105,000 over 4y, 43% of budgetMerit School of Music: $56,000 over 5y, 2.9% of budgetJazz Institute of Chicago: $40,000 over 4y, 6.1% of budgetHyde Park Jazz Festival: $35,800 over 5y, 2.7% of budgetGreater Chicago Food Depository: $33,500 over 3y, 0.0% of budgetThe Ojai Valley Land Conservancy: $31,100 over 4y, 0.5% of budgetChicago Jazz Philharmonic: $30,000 over 4y, 2.4% of budgetChicago Chess Foundation: $30,000 over 1y, 21% of budgetSteppenwolf Theatre Company: $27,500 over 1y, 0.2% of budgetThe Oakland Public Education Fund: $25,000 over 1y, 0.1% of budgetLincoln Park Conservancy: $25,000 over 1y, 1.0% of budgetOjai Festivals Ltd: $22,000 over 5y, 0.3% of budgetNourishing Hope: $15,500 over 2y, 0.1% of budgetThe Pantry of Broward Inc: $15,000 over 1y, 0.8% of budgetAid to Victims of Domestic Abuse Inc: $15,000 over 1y, 0.4% of budgetEl Sistema USA: $15,000 over 2y, 4.3% of budgetHoward Brown Health Center: $12,400 over 1y, 0.0% of budgetConcerned Resource & Environmental Workers: $12,000 over 3y, 0.4% of budgetNeighborspace: $10,000 over 1y, 0.4% of budgetHabitat for Humanity of Broward Inc: $10,000 over 1y, 0.1% of budgetHillel the Foundation for Jewish Campus Life: $10,000 over 1y, 0.0% of budgetOjai Education Foundation: $7,500 over 3y, 3.2% of budgetOjai Valley Tennis Club Inc: $7,000 over 3y, 1.1% of budgetWindow to the World Communications Inc: $5,000 over 1y, 0.0% of budgetFriends of the Parks: $5,000 over 1y, 0.8% of budgetBetter Government Association Inc: $5,000 over 1y, 0.1% of budgetChicago Human Rhythm Project: $5,000 over 1y, 0.5% of budgetChicago Public Library Foundation: $5,000 over 1y, 0.1% of budgetChicago Zoological Society: $4,000 over 3y, 0.0% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 30.

Nonprofits that may fit its grantmaking

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 Chicago Community TrustIL20.3× affinity10 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Chicago Community Trust · John D and Catherine T Macarthur Foundation · The Richard H Driehaus Foundation · Field Foundation of Illinois · Walder Foundation · Frederick Henry Prince Testamentary Trust · Dr Scholl Foundation · Lloyd a Fry Foundation · Gaylord and Dorothy Donnelley Foundation · United Way of Metropolitan Chicago Inc · Ncrc Community Development Fund Inc · The Bank of America Charitable Foundation Inc

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.

Compare Oppenheimer Family Foundation with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Oppenheimer Family Foundation?

Find your warmest path to Oppenheimer Family 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.

About Oppenheimer Family Foundation

How much does Oppenheimer Family Foundation give?
Oppenheimer Family Foundation reported 15 grants totaling $130,200 in its FY2025 IRS filing. It funded between 14 and 24 organizations a year over FY2020 to FY2024.
What does Oppenheimer Family Foundation fund?
By grant dollars over FY2020 to FY2025, its largest causes are Education (38%), Arts & Culture (18%), Religion (3%).
Who are Oppenheimer Family Foundation's largest grantees?
By total granted over FY2020 to FY2025: Lake Forest College ($700k), Live the Spirit Residency ($105k), Merit School of Music ($56k).
Does Oppenheimer Family Foundation fund new organizations?
In FY2024, 5% of the organizations it funded were first-time grantees.
Does Oppenheimer Family Foundation accept unsolicited applications?
Its most recent filing reports that it accepts unsolicited grant applications.
Which funders back the same organizations as Oppenheimer Family Foundation?
Its strongest co-funders, measured against what their size predicts, include The Chicago Community Trust, John D and Catherine T Macarthur Foundation, The Richard H Driehaus Foundation.
Where is Oppenheimer Family Foundation based?
Oppenheimer Family Foundation is based in CA.

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 55 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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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