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· Private foundation

Bartko Family Charitable 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.

$21k
Granted FY2025still arriving
58
Grants FY2025still arriving
12
States reached
$5k
Largest
01What it funds
0189% classified

What it funded, over time

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

Religion$46kEducation$14kArts & Culture$14kAnimals$2kHuman Services$2kFood & Nutrition$1kHealth$740Recreation & Sports$600Other$0
02FY2025 · 58 grants

Where the money goes

Grants by size, and the largest recipients.

$125
Median grant
12
States reached
$30k
Total assets
Largest grants
RecipientAmount
ST JOHN'S CHURCH$4,620
ST ANDREWS BY THE SEA$2,000
PORTSMOUTH ATHENAEUM$1,535
HAVEN$1,250
OUR LADY OF KAZAN$1,000
PACKER COLLEGIATE INSTITUTE$1,000
TRINITY COLLEGE$1,000
PORTSMOUTH MUSIC & ARTS CTR$700
ST HERMAN THEOLOGICAL SEMINARY$500
PORTSMOUTH PUBLIC LIBRARY$500
BARNARD COLLEGE$500
ORTHODOX CHRISTIAN CULTURAL INSTITUTE$500
MUSEUM OF FINE ARTS$300
Individual grant recipient$250
THE MUSIC HALL$250
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 (FY17–25, $3k) land where the poverty rate runs at 6%, against an area that typically sits at 11%. 3% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 11%COMMUNITY SERVINGS: $50 → 16%COMMUNITY SERVINGS: $30 → 16%HAVEN: $1k → 5%SEACOAST COMMUNITY SCHOOL: $260 → 5%SEACOAST COMMUNITY SCHOOL: $200 → 5%SEACOAST COMMUNITY SCHOOL: $200 → 5%GATHER: $160 → 5%GATHER: $160 → 5%SEACOAST COMMUNITY SCHOOL: $140 → 5%GATHER: $100 → 5%SEACOAST COMMUNITY SCHOOL: $100 → 5%GATHER: $100 → 5%GATHER: $100 → 5%GATHER: $35 → 5%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

AK
ME
NH
MT
IL
NY
MA
WY
IA
CT
CO
VA
MD
DC
LA
GA
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.
$76k · 55 repeat orgs$9k to everyone else

Grantees it renews have grown median revenue +35% since the first grant, against +27% for those funded once.

55 repeat relationships: 38 still active in FY2025, 17 since wound down; 19 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

55
29

Total granted

$76k
$6k

Median revenue growth · since first grant

+35%
+27%

Still filing today

53%
28%

New vs renewed · share of each year

In FY2025, 82% of grant dollars renewed an existing relationship; $4k 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 & CultureEducationAnimalsHuman ServicesHealthPhilanthropyOther
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

  • PC
    PACKER COLLEGIATE INSTITUTE
    9× · 2017–2025 · $4k · revenue +42%
  • PP
    PROPRIETORS PORTSMOUTH ATHENAEUM
    3× · 2023–2025 · $3k · revenue +24%
  • BARNARD COLLEGE
    9× · 2017–2025 · $2k · revenue +60%

Funded once

  • RB
    RELIGIOUS BOOKS FOR RUSSIA INC
    one grant, 2021 · $1k
  • IO
    IOCC ORTHODOX CHRISTIAN CHARITIES
    one grant, 2021 · $1k
  • RB
    RELIGIOUS BOOKS FOER RUSSIA
    one grant, 2024 · $500
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
American Museum of Natural History

The museum's mission statement is: "to discover, interpret, and disseminate - through scientific research and education - knowledge about human cultures, the natural world, and the universe."

Arts & Culture
2
Isabella Stewart Gardner Museum Inc

Organization's mission statement true to the ambitious vision of its founder and her spirit of creative risk-taking, the mission of the isabella stewart gardner museum is: - to bring to life and preserve the rich historic collection; - to…

Arts & Culture
3
The William a Farnsworth Library and Art Museum Inc

The museum's mission is to celebrate maine's role in american art. to accomplish that mission the museum provides an extensive offering of collections, exhibitions, education and retail services to the general public.

Arts & Culture
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
Metropolitan Museum of Art

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.

Arts & Culture
6
The Pierpont Morgan Library

The Morgan Library & Museum celebrates and shares the history and process of human creativity from antiquity to the present day through the preservation, study, and interpretation of a dynamic and growing collection.

Education
7
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
8
The Phillips Collection

The phillips collection is the oldest museum of modern and contemporary art in the u.s. in addition to presentation of works from the permanent collection and special exhibitions, the museum maintains active educational, academic,…

Arts & Culture
9
Newport Art Museum and Art Association

The newport art museum's mission is to share a diversity of art and experiences that spark reflection, inspiration, and connection within our newport community and beyond. the museum was founded in 1912 on the belief that arts and culture…

Arts & Culture
10
The Newark Museum Association

Nmoa mission statement is: we welcome everyone with inclusive experiences that spark curiosity and foster community.

Arts & Culture
11
Philadelphia Museum of Art

The philadelphia museum of art - in partnership with the city, the region, and art museums around the globe - seeks to preserve, enhance, interpret, and extend the reach of its great collection in particular, and the visual arts in…

Arts & Culture
12
Massachusetts Historical Society

To promote understanding of the history of massachusetts and the nation by collecting and communicating materials and resources that foster historical knowledge.

Arts & Culture
How this is measured
The grantee most central to the portfolio’s shape is National Park Foundation; the most unlike its peers is The Anderson Foundation. 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

43 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. 43 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)
7
Early backer (in before they grew)
43/43
Grantees still filing
32/43
Grew since first funded

Where the money sits, by cause and then by grantee

ST JOHN'S CHURCH: $15,770 · OtherST JOHN'S CHURCHOUR LADY OF KAZAN: $9,600 · OtherOUR LADY OF KAZANST JOHN CHRYSOSTOM CHURCH: $6,875 · OtherST JOHN CHRYSOSTOM CHURCHST ANDREWS BY THE SEA: $4,900 · OtherST ANDREWS BY THE SEAST NICHOLAS GREEK ORTHODOX CH: $3,740 · OtherST NICHOLAS GREEK ORTHODOX CHALEXANDER DAWSON SCHOOL: $3,000 · Other+63 more: $16,160 · Other+63 morePACKER COLLEGIATE INSTITUTE: $3,850 · EducationPACKER COLLEGIAT…PROPRIETORS PORTSMOUTH ATHENAEUM: $2,881 · EducationPROPRIETORS PORT…BARNARD COLLEGE: $2,350 · EducationBARNARD COLLEGEFordham University: $1,500 · EducationFordham Universi…TRINITY COLLEGE: $1,200 · EducationTRINITY COLLEGE+1 more: $300 · EducationSEACOAST REPERTORY THEATRE: $1,320 · Arts & CultureSEACOAST R…Portland Museum of Art: $1,160 · Arts & CulturePortland M…PORTSMOUTH MUSIC & ARTS CENTER INC: $900 · Arts & CulturePORTSMOUTH…MUSEUM OF FINE ARTS: $900 · Arts & CultureMUSEUM OF …SEACOAST SCIENCE CENTER INC: $885 · Arts & CultureSEACOAST S…Friends of The Music Hall: $700 · Arts & CultureFriends of…PEABODY ESSEX MUSEUM INC: $650 · Arts & CulturePEABODY ES…Maine Public Broadcasting Corporation: $355 · Arts & Culture+10 more: $1,174 · Arts & Culture+10 moreHAVEN VIOLENCE PREVENTION AND SUPPORT SERVICES: $1,250 · Human ServicesSeacoast Community School: $900 · Human ServicesGather: $655 · Human Services+1 more: $80 · Human ServicesNEW HAMPSHIRE SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS: $700 · AnimalsTHE CENTER FOR WILDLIFE: $400 · AnimalsNATIONAL WILDLIFE FEDERATION: $140 · AnimalsDENVER DUMB FRIENDS LEAGUE: $135 · AnimalsTHE FIBROLAMELLAR CANCER FOUNDATION: $440 · HealthALZHEIMER'S DISEASE & RELATED DISORDERS ASSOCIATION INC: $100 · HealthFOOD BANK OF THE ROCKIES: $460 · Food & Nutrition
Other$60,045Education$12,081Arts & Culture$8,044Human Services$2,885Animals$1,375Health$540Food & Nutrition$460

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 budgetPACKER COLLEGIATE INSTITUTE: $3,850 over 9y, 0.0% of budgetPROPRIETORS PORTSMOUTH ATHENAEUM: $2,881 over 3y, 0.2% of budgetBARNARD COLLEGE: $2,350 over 9y, 0.0% of budgetFordham University: $1,500 over 8y, 0.0% of budgetSEACOAST REPERTORY THEATRE: $1,320 over 8y, 0.0% of budgetHAVEN VIOLENCE PREVENTION AND SUPPORT SERVICES: $1,250 over 1y, 0.0% of budgetTRINITY COLLEGE: $1,200 over 2y, 0.0% of budgetPortland Museum of Art: $1,160 over 7y, 0.0% of budgetSeacoast Community School: $900 over 5y, 0.0% of budgetPORTSMOUTH MUSIC & ARTS CENTER INC: $900 over 2y, 0.0% of budgetMUSEUM OF FINE ARTS: $900 over 3y, 0.0% of budgetSEACOAST SCIENCE CENTER INC: $885 over 8y, 0.0% of budgetNEW HAMPSHIRE SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS: $700 over 5y, 0.0% of budgetFriends of The Music Hall: $700 over 4y, 0.0% of budgetGather: $655 over 6y, 0.0% of budgetPEABODY ESSEX MUSEUM INC: $650 over 6y, 0.0% of budgetFOOD BANK OF THE ROCKIES: $460 over 5y, 0.0% of budgetTHE FIBROLAMELLAR CANCER FOUNDATION: $440 over 5y, 0.0% of budgetTHE CENTER FOR WILDLIFE: $400 over 4y, 0.0% of budgetMaine Public Broadcasting Corporation: $355 over 6y, 0.0% of budgetSUMMER ON THE HILL INC: $300 over 2y, 0.0% of budgetWGBH Educational Foundation: $240 over 4y, 0.0% of budgetFOOTHILLS ART CENTER INC: $185 over 2y, 0.0% of budgetTHE NATURE CONSERVANCY: $180 over 4y, 0.0% of budgetColorado Museum of Natural History: $160 over 1y, 0.0% of budgetThe Anderson Foundation: $160 over 2y, 0.1% of budgetNATIONAL WILDLIFE FEDERATION: $140 over 4y, 0.0% of budgetDENVER DUMB FRIENDS LEAGUE: $135 over 2y, 0.0% of budgetPortsmouth Historical Society: $125 over 1y, 0.0% of budgetTHE CARTER CENTER INC: $120 over 3y, 0.0% of budgetGRAND TETON NATIONAL PARK FOUNDATION: $100 over 1y, 0.0% of budgetHUDSON RIVER MUSEUM OF WESTCHESTER: $100 over 1y, 0.0% of budgetALZHEIMER'S DISEASE & RELATED DISORDERS ASSOCIATION INC: $100 over 1y, 0.0% of budgetThe United States Holocaust Memorial Museum: $100 over 1y, 0.0% of budgetHome for the Aged of Little Sisters of the Poor: $100 over 1y, 0.3% of budgetCOMMUNITY SERVINGS INC: $80 over 2y, 0.0% of budgetNATIONAL PARKS CONSERVATION ASSOCIATION: $70 over 2y, 0.0% of budgetNATIONAL PARK FOUNDATION: $70 over 2y, 0.0% of budgetKANTOREI: $60 over 1y, 0.0% of budgetTHE MORRISON THEATER COMPANY: $60 over 1y, 0.0% of budgetSMITHSONIAN INSTITUTION: $50 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 PACKER COLLEGIATE INSTITUTE ↗
  • Who funds PROPRIETORS PORTSMOUTH ATHENAEUM ↗
  • Who funds BARNARD COLLEGE ↗
  • Who funds Fordham University ↗
  • Who funds SEACOAST REPERTORY THEATRE ↗
  • Who funds HAVEN VIOLENCE PREVENTION AND SUPPORT SERVICES ↗
  • Who funds TRINITY COLLEGE ↗
  • Who funds Portland Museum of Art ↗
  • Who funds Seacoast Community School ↗
  • Who funds PORTSMOUTH MUSIC & ARTS CENTER INC ↗
  • Who funds MUSEUM OF FINE ARTS ↗
  • Who funds SEACOAST SCIENCE CENTER INC ↗
  • Who funds NEW HAMPSHIRE SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS ↗
  • Who funds Friends of The Music Hall ↗
  • Who funds Gather ↗
  • Who funds PEABODY ESSEX MUSEUM INC ↗
  • Who funds FOOD BANK OF THE ROCKIES ↗
  • Who funds THE FIBROLAMELLAR CANCER FOUNDATION ↗
  • Who funds THE CENTER FOR WILDLIFE ↗
  • Who funds Maine Public Broadcasting Corporation ↗

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.

A Caring Community IncME30.3× affinity12 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: A Caring Community Inc · New Hampshire Charitable Foundation · Macdonald Family Foundation · Gateway Fund 7522-Xxxxxx00049 · Bangor Savings Bank Foundation · Martin I Elkin and Pauline G Elkin Charitable Trust · Rosamond Thaxter Foundation · Foundation for Seacoast Health · The Schleyer Foundation · The Provident Community Charitable Organization Inc · Madelaine G Vonweber Trust Todd Fahey & William Tucker Co-Trustees · Eastern Bank 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 Bartko Family Charitable Foundation funds: left to right is the share of its income from government, bottom to top the share from Bartko Family Charitable Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 20%0%1%3%5%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →median 1%
  • Community Servings Inc: 12% of income from government
  • Peabody Essex Museum Inc: 3% of income from government
  • Wgbh Educational Foundation: 1% of income from government
  • Trinity College: 0% of income from government
  • Museum of Fine Arts: 0% of income from government
no gov moneyreceives it· size = income
2get no government money at all
12report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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