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The Tsengas Foundation at a glance

· Private foundation

The Tsengas Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$39k
Granted FY2025still arriving
8
Grants FY2025still arriving
2
States reached
$16k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
01What it funds
0193% classified

What it funded, over time

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

Education$119kReligion$55kAnimals$38kHealth$19kMembership Benefit$16kArts & Culture$12kInternational$5kYouth Development$2kOther$0
02FY2025 · 8 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k6 grants · $13k
  • $10k–50k2 grants · $26k
$2,500
Median grant
2
States reached
$450k
Total assets
Largest grants
RecipientAmount
FEDERATION OF STEREA HELLAS INC$16,000
GREEK GARDEN ASSOCIATION OF CLEVELAND$10,000
UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK$5,000
ST HERMAN'S FOCUS CLEVELAND$2,500
STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL$2,150
Individual grant recipient$1,000
UT FOUNDATION - CADE$1,000
ST GREGORY PALAMAS MONASTERY$1,000
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:

Dollar for dollar, its grants (FY17–25) land where the poverty rate runs at 13%, against an area that typically sits at 12%. 78% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 12%HELLENIC COLLEGE & HOLY CROSS SEMINARY: $1k → 7%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $10k → 13%LAKE HEALTH FOUNDATION: $3k → 9%FEDERATION OF STEREA HELLAS INC: $16k → 13%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $5k → 15%GREEK GARDEN ASSOCIATION OF CLEVELAND: $10k → 17%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $10k → 13%LAKE HEALTH FOUNDATION: $2k → 9%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $5k → 15%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $10k → 13%LAKE HEALTH FOUNDATION: $2k → 9%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $5k → 15%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $10k → 13%LAKE HEALTH FOUNDATION: $2k → 9%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $5k → 15%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $10k → 13%LAKE HEALTH FOUNDATION: $2k → 9%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $5k → 15%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $10k → 13%LAKE HEALTH FOUNDATION: $2k → 9%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $4k → 15%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $5k → 17%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $10k → 13%LAKE HEALTH FOUNDATION: $2k → 9%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $3k → 15%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $5k → 17%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $5k → 13%LAKE HEALTH FOUNDATION: $2k → 9%OHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $3k → 15%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $4k → 17%UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $5k → 13%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $3k → 17%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $2k → 17%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $2k → 17%LAKELAND COMMUNITY COLLEGE FOUNDATION: $5k → 9%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $2k → 17%THE LAKELAND FOUNDATION: $2k → 9%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $2k → 17%THE LAKELAND FOUNDATION: $2k → 9%STS CONSTATINE & HELEN GREEK ORTHODOX CATHEDRAL: $1k → 17%THE LAKELAND FOUNDATION: $2k → 9%ST HERMAN'S FOCUS CLEVELAND: $3k → 17%THE LAKELAND FOUNDATION: $2k → 9%ST HERMAN'S FOCUS CLEVELAND: $2k → 17%LAKELAND COMMUNITY COLLEGE FOUNDATION: $2k → 9%ST HERMAN'S FOCUS CLEVELAND: $2k → 17%THE LAKELAND FOUNDATION: $2k → 9%LAKELAND COMMUNITY COLLEGE FOUNDATION: $2k → 9%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

ME
WA
NY
MA
OH
MD
NC
DC
FL
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.

89%of every dollar goes to organizations it has funded before.
$243k · 24 repeat orgs$30k to everyone else

Grantees it renews have grown median revenue +62% since the first grant, against +33% for those funded once.

24 repeat relationships: 6 still active in FY2025, 18 since wound down; 2 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

24
7

Total granted

$243k
$4k

Median revenue growth · since first grant

+62%
+33%

Still filing today

25%
14%

New vs renewed · share of each year

In FY2025, 33% of grant dollars renewed an existing relationship; $26k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
Arts & CultureAnimalsPublic BenefitMembership BenefitReligionHealthOther
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

  • TL
    THE LAKELAND FOUNDATION
    5× · 2017–2021 · $10k · revenue +62%
  • LH
    LAKE HUMANE SOCIETY
    8× · 2017–2024 · $4k · revenue +49%
  • SP
    SAMARITAN'S PURSE
    4× · 2021–2024 · $2k · revenue +83%

Funded once

  • IG
    Individual grant recipient
    one grant, 2024 · $1k
  • AG
    ANNUNCIATION GREEK ORTHODOX CHURCHCLEV OH
    one grant, 2021 · $1k
  • AH
    American Heart Association Incgraduated
    one grant, 2021 · $500 · revenue +33%
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
Federation for American Immigration Reform

The federation for american immigration reform's (fair) mission is to educate the public about the economic, sociological, environmental, demographic and other effects of mass immigration to the united states.

International
2
Yeshiva University

The university is composed of several colleges and schools providing undergraduate, graduate, professional and post-doctoral education and training and research and clinical programs.

Education
3
Lowell Observatory

The mission of lowell observatory is to pursue the study of astronomy, especially the study of our solar system and its evolution; to conduct pure research in astronomical phenomena; and to maintain quality public education and outreach…

Science & Tech
4
National Space Society

The vision of nss is people living and working in thriving communities beyond the earth, and the use of the vast resources of space for the dramatic betterment of humanity.

—
5
Target Als Foundation Inc

Our mission is to break down barriers to als research to find effective treatments. by uniting academia, the pharma and biotech industry, government, venture capital, related nonprofits, and the als community, we aim to overcome the…

Education
6
The Central European University

Ceu is committed to promoting the values of open society and self-reflective critical thinking. it aims at excellence in the mastery of established knowledge, courage to pursue the creation of new knowledge in the humanities, the social…

International
7
The Heart Foundation

The heart foundation (thf) was created to save lives from heart disease by increasing awareness, educating the public, and supporting innovative research at smidt heart institute at cedars-sinai medical center in los angeles, california.…

Philanthropy
8
National Science and Technology Medals Foundation Inc

The nstmf's mission is to build inclusive stem communities across the united states. fundamental to these communities are the significant, inspirational connections we foster between the individuals who have received national recognition…

—
9
Siena University

Siena university is a learning community advancing the ideals of a liberal arts education, rooted in its identity as a franciscan and catholic institution. as a learning community, siena is committed to a student-centered education…

Education
10
The United States Holocaust Memorial Museum

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.…

Arts & Culture
11
American Lung Association

The american lung association's mission is to save lives by improving lung health and preventing lung disease. we do this through education, advocacy, and research.

Health
12
Troopers for a Safer Ohio

Supporting & advocating -laws that make ohio's highways safer for the driving public -legislation that improves the state's criminal justice system -public policy that enhances the law enforcement profession…

Employment
How this is measured
The grantee most central to the portfolio’s shape is The Lakeland Foundation; the most unlike its peers is Federation of Sterea Hellas Co George J Bahramis Cpa. 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

9 grantees tracked through their own filings, 2017–2025.

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 2025, not grant rows in a single year, so this will not match the grant count on the cover. 9 of the 34 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)
8/9
Grantees still filing
8/9
Grew since first funded

Where the money sits, by cause and then by grantee

UNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORK: $80,000 · OtherUNIVERSITY AT BUFFALO STATE UNIVERSITY OF NEW YORKOHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINE: $34,500 · OtherOHIO STATE UNIV - COLLEGE OF VETERINARY MEDICINEST CONSTANTINE & HELEN GREEK ORTHODOX CATHEDRAL: $26,725 · OtherST CONSTANTINE & HELEN GREEK ORTHODOX CATHEDRALLAKE HEALTH FOUNDATION: $17,350 · OtherLAKE HEALTH FOUNDATIONTHE LAKELAND FOUNDATION: $10,200 · OtherGREEK GARDEN ASSOCIATION OF CLEVELAND INC: $10,000 · OtherLAKELAND COMMUNITY COLLEGE FOUNDATION: $8,500 · OtherST HERMAN'S FOCUS CLEVELAND: $8,350 · Other+18 more: $52,057 · Other+18 moreFEDERATION OF STEREA HELLAS CO GEORGE J BAHRAMIS CPA: $16,000 · Membership BenefitLAKE HUMANE SOCIETY: $3,500 · AnimalsWORLD VISION INC: $3,180 · InternationalTHE FINE ARTS ASSOCIATION: $2,000 · Arts & CultureTHE OHIO ACADEMY OF SCIENCE: $500 · Arts & CultureSAMARITAN'S PURSE: $2,250 · ReligionAmerican Heart Association Inc: $500 · HealthJUDICIAL WATCH INC: $90 · Public Benefit
Other$247,682Membership Benefit$16,000Animals$3,500International$3,180Arts & Culture$2,500Religion$2,250Health$500Public Benefit$90

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

25%50%75%100%$10M$100Mgrantee revenue →↑ funder's share of their budgetTHE LAKELAND FOUNDATION: $10,200 over 5y, 0.2% of budgetLAKE HUMANE SOCIETY: $3,500 over 8y, 0.1% of budgetWORLD VISION INC: $3,180 over 5y, 0.0% of budgetSAMARITAN'S PURSE: $2,250 over 4y, 0.0% of budgetTHE FINE ARTS ASSOCIATION: $2,000 over 3y, 0.1% of budgetAmerican Heart Association Inc: $500 over 1y, 0.0% of budgetTHE OHIO ACADEMY OF SCIENCE: $500 over 5y, 0.0% of budgetJUDICIAL WATCH INC: $90 over 2y, 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 FEDERATION OF STEREA HELLAS CO GEORGE J BAHRAMIS CPA ↗
  • Who funds THE LAKELAND FOUNDATION ↗
  • Who funds LAKE HUMANE SOCIETY ↗
  • Who funds WORLD VISION INC ↗
  • Who funds SAMARITAN'S PURSE ↗
  • Who funds THE FINE ARTS ASSOCIATION ↗
  • Who funds American Heart Association Inc ↗
  • Who funds THE OHIO ACADEMY OF SCIENCE ↗
  • Who funds JUDICIAL WATCH INC ↗

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.

Donor Advised Charita…Amazonsmile Foundation
Donor Advised Charitable Giving IncCO5.8× affinity5 shared granteesties to 1 of 1Hover any node to trace its alignments.Compare side by side →

Open a dossier: Donor Advised Charitable Giving Inc · Amazonsmile 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 The Tsengas Foundation funds: left to right is the share of its income from government, bottom to top the share from The Tsengas Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%4%8%11%15%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    2report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–15%
    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 34 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

    Play a game based on Tsengas’ filings →

    More from the funding graph

    The unnamed billions
    grants reported with no recipient in the public record
    The regranting layer
    51% of grant dollars land in the regranting layer
    The DAF merry-go-round
    $9.7B circulates between donor-advised funds
    The endowment market
    who holds foundation money, and what just moved
    The camps
    funders cluster by geography, not ideology
    By state
    where grant money is based, and what stays home