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California · Private foundation

Seniel & Dorothy Ostrow 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.

$53k
Granted FY2025(still arriving)
29
Grants FY2025
32
Organizations funded FY2024
9%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$1,000
Largest grant, FY2025
$7,000
Organizations funded a year
11 to 42
FY2018 to FY2024
States reached, FY2025
7
Total assets, FY2025
$1.3M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 9% of the organizations Seniel & Dorothy Ostrow Foundation funded were first-time grantees, receiving 8% of its grant dollars.

New vs renewed · share of each year

In FY2024, 92% of grant dollars renewed an existing relationship; $3k went to new ones.

50%100%’18’19’20’21’22’23’24
RenewedFirst-time

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

’18’19’20’21’22’23’24
Arts & CultureCivil RightsHuman ServicesHealthEducationInternationalOther
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 arriving27$53k19%
FY202432$36k9%
FY202342$76k29%
FY202225$100k40%
FY202139$65k44%
FY202037$84k70%
FY201911$28k18%
FY201816$33k25%
86% classified

What it funded, over time

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

Health$178kArts & Culture$129kCivil Rights$116kHuman Services$21kAnimals$14kEnvironment$13kEducation$12kInternational$7kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

MT
IL
NY
MA
OR
NJ
CT
CA
CO
VA
MD
AZ
TN
NC
DC
AL
GA
TX
FL

Top grantees

Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Solve Me Cfs Initiative Inc$35,10041%
Beth Morrison Projects Inc$17,57860%
Opera America Inc$13,00050%
Kif1aorg Inc$11,05032%
League to Save Lake Tahoe$11,04260%
Trevor Project Inc$8,50060%
Opera Santa Barbara$8,03050%
On Site Opera Inc$7,70241%
Overtone Industries$7,0001n/a
Theatre Communications Group Inc$6,75050%
Show all 66 grantees
All grantees of Seniel & Dorothy Ostrow Foundation by total granted
GranteeTotal grantedYearsShare of their budget
Solve Me Cfs Initiative Inc$35,10041%
Beth Morrison Projects Inc$17,57860%
Opera America Inc$13,00050%
Kif1aorg Inc$11,05032%
League to Save Lake Tahoe$11,04260%
Trevor Project Inc$8,50060%
Opera Santa Barbara$8,03050%
On Site Opera Inc$7,70241%
Overtone Industries$7,0001n/a
Theatre Communications Group Inc$6,75050%
Center Theatre Group of Los Angeles$5,50020%
The Florida State University Foundation Inc$5,50030%
Medecins Sans Frontieres USA Inc$5,00060%
Lange Foundation$4,75060%
Glimmerglass Opera Theatre Inc$4,50030%
Our House Grief Support Center$4,01030%
Washington National Opera$4,00040%
Broadway Caresequity Fights AIDS Inc$3,53230%
Los Angeles Opera Company$3,50010%
Venice Family Clinic$3,50020%
Girl Talk Foundation$3,280314%
Southern Poverty Law Center Inc$3,00050%
Opera Orlando Inc$2,51020%
The Center for Reproductive Rights Inc$2,50020%
American National Red Cross & Its Constituent Chapters and Branches$2,50010%
Equal Justice Initiative$2,50020%
The Actors' Fund of America$2,28030%
John Fitzgerald Kennedy Library Foundation Incorporated$2,00010%
Human Rights Foundation Inc$2,00010%
The Kennedy Collective Inc$2,00010%
Special Olympics Inc$1,75050%
The Los Angeles Free Clinic$1,50010%
Opera on the James$1,50010%
Southern California Public Radio$1,25040%
Blood Cancer United Inc$1,10030%
Operation California Inc$1,00010%
Right to Be Inc$1,00010%
Multiple Sclerosis Foundation Inc$1,00010%
The Lovejoy Foundation Inc$1,00010%
The Ocean Foundation$1,00040%
Together Rising$1,00010%
Pet Pride$7502n/a
Habitat for Humanity Inc$5001n/a
Kcrw Foundation Inc$50010%
Human Rights Watch Inc$50010%
Glaucoma Research Foundation$50010%
Step Up on Second Street Inc$50010%
Ojai Playwrights Conference$50010%
Circus Center$5001n/a
Sunset Hall Inc$50011%
Translifeline DBA Trans Lifeline$50010%
Girltrek Incorporated$50020%
Connecticut College$50010%
Brightfocus Foundation$35010%
Autism Speaks Inc$25010%
Multiple Sclerosis Association of America Inc$25010%
Anti-Defamation League$25010%
Dream Street Foundation$25010%
Treepeople Inc$25010%
The American Society for the Prevention of Cruelty to Animals$25010%
Ocean Conservancy$25010%
A Glimmer of Hope Foundation$25010%
Heal the Bay$25010%
Children's Defense Fund$25010%
St Jude Children's Research Hospital Inc$15010%
Los Angeles Mission Inc$1001n/a

What it could do for these grantees

Plus 63 recipients with no EIN on record ($342k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Seniel & Dorothy Ostrow Foundation supplied at peak.

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetSolve Me Cfs Initiative Inc: $35,100 over 4y, 1.4% of budgetBeth Morrison Projects Inc: $17,578 over 6y, 0.2% of budgetOpera America Inc: $13,000 over 5y, 0.1% of budgetKif1aorg Inc: $11,050 over 3y, 2.3% of budgetLeague to Save Lake Tahoe: $11,042 over 6y, 0.1% of budgetTrevor Project Inc: $8,500 over 6y, 0.0% of budgetOpera Santa Barbara: $8,030 over 5y, 0.1% of budgetOn Site Opera Inc: $7,702 over 4y, 0.8% of budgetTheatre Communications Group Inc: $6,750 over 5y, 0.1% of budgetCenter Theatre Group of Los Angeles: $5,500 over 2y, 0.0% of budgetThe Florida State University Foundation Inc: $5,500 over 3y, 0.0% of budgetMedecins Sans Frontieres USA Inc: $5,000 over 6y, 0.0% of budgetLange Foundation: $4,750 over 6y, 0.0% of budgetGlimmerglass Opera Theatre Inc: $4,500 over 3y, 0.0% of budgetOur House Grief Support Center: $4,010 over 3y, 0.1% of budgetWashington National Opera: $4,000 over 4y, 0.2% of budgetBroadway Caresequity Fights AIDS Inc: $3,532 over 3y, 0.0% of budgetLos Angeles Opera Company: $3,500 over 1y, 0.0% of budgetVenice Family Clinic: $3,500 over 2y, 0.0% of budgetGirl Talk Foundation: $3,280 over 3y, 14% of budgetSouthern Poverty Law Center Inc: $3,000 over 5y, 0.0% of budgetOpera Orlando Inc: $2,510 over 2y, 0.1% of budgetThe Center for Reproductive Rights Inc: $2,500 over 2y, 0.0% of budgetAmerican National Red Cross & Its Constituent Chapters and Branches: $2,500 over 1y, 0.0% of budgetEqual Justice Initiative: $2,500 over 2y, 0.0% of budgetThe Actors' Fund of America: $2,280 over 3y, 0.0% of budgetJohn Fitzgerald Kennedy Library Foundation Incorporated: $2,000 over 1y, 0.0% of budgetHuman Rights Foundation Inc: $2,000 over 1y, 0.0% of budgetThe Kennedy Collective Inc: $2,000 over 1y, 0.0% of budgetSpecial Olympics Inc: $1,750 over 5y, 0.0% of budgetThe Los Angeles Free Clinic: $1,500 over 1y, 0.0% of budgetOpera on the James: $1,500 over 1y, 0.3% of budgetSouthern California Public Radio: $1,250 over 4y, 0.0% of budgetBlood Cancer United Inc: $1,100 over 3y, 0.0% of budgetOperation California Inc: $1,000 over 1y, 0.0% of budgetRight to Be Inc: $1,000 over 1y, 0.0% of budgetMultiple Sclerosis Foundation Inc: $1,000 over 1y, 0.0% of budgetThe Lovejoy Foundation Inc: $1,000 over 1y, 0.1% of budgetThe Ocean Foundation: $1,000 over 4y, 0.0% of budgetTogether Rising: $1,000 over 1y, 0.0% of budgetKcrw Foundation Inc: $500 over 1y, 0.0% of budgetHuman Rights Watch Inc: $500 over 1y, 0.0% of budgetGlaucoma Research Foundation: $500 over 1y, 0.0% of budgetStep Up on Second Street Inc: $500 over 1y, 0.0% of budgetOjai Playwrights Conference: $500 over 1y, 0.2% of budgetSunset Hall Inc: $500 over 1y, 0.6% of budgetTranslifeline DBA Trans Lifeline: $500 over 1y, 0.0% of budgetGirltrek Incorporated: $500 over 2y, 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 61.

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.

California Community FoundationCA19× affinity9 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: California Community Foundation · Opera America Inc · The Aaron Copland Fund for Music Inc Co Alter Kendrick & Baron LLP · The Amphion Foundation Inc Co Alter Kendrick & Baron LLP · The Howard Gilman Foundation Inc · The Andrew W Mellon Foundation · Jewish Community Foundation of Los Angeles · The Corey Foundation · The Howard and Sarah D Solomon Foundation · The Ayco Charitable Foundation · The Pfizer Foundation Inc · Silicon Valley Community 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.

Compare Seniel & Dorothy Ostrow Foundation with peer funders

About Seniel & Dorothy Ostrow Foundation

How much does Seniel & Dorothy Ostrow Foundation give?
Seniel & Dorothy Ostrow Foundation reported 29 grants totaling $52,835 in its FY2025 IRS filing. It funded between 11 and 42 organizations a year over FY2018 to FY2024.
What does Seniel & Dorothy Ostrow Foundation fund?
By grant dollars over FY2017 to FY2025, its largest causes are Health (32%), Arts & Culture (23%), Civil Rights (21%).
Who are Seniel & Dorothy Ostrow Foundation's largest grantees?
By total granted over FY2017 to FY2025: Solve Me Cfs Initiative Inc ($35k), Beth Morrison Projects Inc ($18k), Opera America Inc ($13k).
Does Seniel & Dorothy Ostrow Foundation fund new organizations?
In FY2024, 9% of the organizations it funded were first-time grantees.
Does Seniel & Dorothy Ostrow Foundation accept unsolicited applications?
Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
Which funders back the same organizations as Seniel & Dorothy Ostrow Foundation?
Its strongest co-funders, measured against what their size predicts, include California Community Foundation, Opera America Inc, The Aaron Copland Fund for Music Inc Co Alter Kendrick & Baron LLP.
Where is Seniel & Dorothy Ostrow Foundation based?
Seniel & Dorothy Ostrow 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 131 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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