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Plinth

· Private foundation

Thunder Bay Foundation Inc

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$1.8M
Granted FY2024still arriving
9
Grants FY2024still arriving
3
States reached
$300k
Largest
01What you fund
01100% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172024.

Education$4.3MYouth Development$2.0MHuman Services$1.5MHealth$1.1MPhilanthropy$540kEmployment$520kFood & Nutrition$350kReligion$300kOther$0
02FY2024 · 9 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2024

  • $50k–250k5 grants · $620k
  • $250k+4 grants · $1.1M
$200,000
Median grant
3
States reached
$33M
Total assets
Largest grants
RecipientAmount
THE KINDEZI SCHOOLS$300,000
LAAMISTAD INC$300,000
CITY OF REFUGE$300,000
CHILDREN'S HOSPITAL OF WISCONSIN$250,000
YOUTH OPPORTUNITIES AUSTRALIA$200,000
ANDREW P STEWART CENTER$150,000
CAMP LIGHTHOUSE$100,000
BOYS & GIRLS CLUB OF THE PLATEAU$100,000
GOODWILL OF NORTH GEORGIA$70,000
02The need
03

Do your dollars go where the need is?

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

show:

Your human-services grants (FY17–24, $1.5M) land where the poverty rate runs at 13%, against an area that typically sits at 11%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 11%YMCA OF GREATER ROCHESTER: $5k → 14%ANDREW P STEWART CENTER: $150k → 13%ANDREW P STEWART CENTER: $150k → 13%ANDREW P STEWART CENTER: $250k → 14%ANDREW P STEWART CENTER: $200k → 14%ANDREW P STEWART CENTER: $175k → 14%ANDREW P STEWART CENTER: $175k → 14%ANDREW P STEWART CENTER: $175k → 14%ANDREW P STEWART CENTER: $175k → 14%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.

US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.

03Your edge
repeat funding

Who you back again

Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.

77%of every dollar goes to organizations you’ve funded before.
$8.3M · 11 repeat orgs$2.4M to everyone else

11 repeat relationships — 6 still active in FY2024, 5 since wound down; 3 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

11
16

Total granted

$8.3M
$2.0M

Median revenue growth · since first grant

+14%
+34%

Still filing today

55%
56%

New vs renewed · share of each year

In FY2024, 73% of grant dollars renewed an existing relationship; $470k went to new ones.

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

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

’17’18’19’20’21’22’23’24
EducationHealthHuman ServicesYouth DevelopmentRecreation & SportsPhilanthropyOther

First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). 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

  • AP
    ANDREW P STEWART CENTER INC
    8× · 2017–2024 · $1.4M · revenue +50% · 25% of their budget
  • TK
    The Kindezi School Inc
    6× · 2018–2024 · $1.1M · revenue +30%
  • CH
    CHILDREN'S HOSPITAL OF WISCONSIN INC
    3× · 2022–2024 · $750k · revenue +14%

Funded once

  • GC
    GEORGIA COMMUNITY FOOD BANK
    one grant, 2022 · $350k
  • CC
    Crawford County Board of Education
    one grant, 2022 · $350k
  • SC
    SCHWAB CHARITABLE DAF
    one grant, 2017 · $250k

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

04Your field

The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.

1
Atlantic University Inc

Provide post-secondary education of excellence.

Education
2
Piedmont Hospital Inc

To provide healthcare marked by compassion and sustainable excellence in a progressive environment, guided by physicians, delivered by exceptional professionals, and inspired by the communities we serve.

Health
3
Uga Real Estate Foundation Inc

The UGA Real Estate Foundation manages and improves various real estate assets for the benefit of the University of Georgia, governed by the Board of Regents of the University System of Georgia. The UGA Real Estate Foundation may also…

Philanthropy
4
Children's Healthcare of Atlanta Inc

To make kids better today and healthier tomorrow.

Health
5
The Grady Health Foundation Inc

The mission of the grady health foundation is to grow both philanthropic support and broad-based understanding of the critical role that grady health system plays in the metro atlanta region. our focus is to ensure grady health system has…

Philanthropy
6
Toccoa Falls College Inc

The mission of Toccoa Falls College is to glorify God through seeking and developing Christian servant leaders who will impact their world with the love and message of Jesus Christ.

Education
7
Boys & Girls Clubs of Metro Atlanta Inc

Boys & girls clubs of metro atlanta's (bgcma) mission is to ignite the unlimited potential of kids and teens by creating safe, inclusive, and engaging environments. our vision is thousands of young leaders thriving in life and…

Youth Development
8
Furman University

The primary mission of furman as a liberal arts institution is to provide a distinctive education in fine arts, humanities, social sciences, mathematics and the sciences, as well as selected professional disciplines.

Education
9
Golden Gate University

Golden gate university prepares individuals to lead and serve by providing high quality, practice-based educational programs in law, taxation, business and related professions - as a nonprofit institution - in an innovative and challenging…

Education
10
Georgia Advanced Technology Ventures Inc

The corporation is organized and shall be operated exclusively as a supporting organization to and for the benefit of the georgia institute of technology to foster and support education and scientific research and economic development…

Education
11
Boys & Girls Clubs of Georgia Inc

To promote exclusively the social welfare of boys and girls in georgia; to provide guidance and to promote the health, social, educational, vocational, character, and cultural development of boys(continued on schedule o) and girls in…

Youth Development
12
Georgia Tech Foundation Real Estate Holding Corporation

The georgia tech foundation real estate holding corporation was formed to hold title to real estate and similar property on behalf of the georgia tech foundation, inc., and for other purposes permitted under section 501(c)(2) of the…

For reference, the grantee most central to the portfolio’s shape is Ymca of Greater Rochester (4368) and the most unlike its peers is Ian Burkhart 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

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

Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.

Counted here: distinct organizations you funded across 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 18 of the 30 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.

2
Load-bearing (≥25% of a budget)
2
Early backer (in before they grew)
17/18
Grantees still filing
12/18
Grew since you first funded

Where your money sits — by cause, then by grantee

KIPP METRO SCHOOLS — $1,050,000 · OtherKIPP METRO SCHOOLSLITERACY ACTION INC — $950,000 · OtherLITERACY ACTION INCYOUTH OPPORTUNITIES — $915,770 · OtherYOUTH OPPORTUNITIESGoodwill of North GA — $450,000 · OtherGoodwill of North GAYOUTH OPPORTUNITIES AUSTRALIA — $400,000 · OtherYOUTH OPPORTUNITIES AUSTRALIAGEORGIA COMMUNITY FOOD BANK — $350,000 · OtherGEORGIA COMMUNITY FOOD BANKCrawford County Board of Education — $350,000 · OtherCrawford County Board of EducationMontford Hall — $350,000 · OtherMontford HallSCHWAB CHARITABLE DAF — $250,000 · OtherHEALTHCARE FOUNDATION — $200,000 · Other+7 more — $510,000 · Other+7 moreANDREW P STEWART CENTER INC — $1,450,000 · Human ServicesANDREW P STEWAR…+1 more — $5,000 · Human ServicesThe Kindezi School Inc — $1,120,000 · EducationThe Kindezi Sc…Boys & Girls Club of The Plateau Inc — $220,000 · EducationBoys & Girls C…THE UNIVERSITY OF GEORGIA FOUNDATION — $50,000 · Education+1 more — $5,000 · EducationCHILDREN'S HOSPITAL OF WISCONSIN INC — $750,000 · HealthCHILDREN'…HEALTHCARE FOUNDATION NORTHERN SONOMA COUNTY — $100,000 · HealthHEALTHCAR…+1 more — $20,000 · HealthLaAmistad Inc — $600,000 · Youth DevelopmentBOYS & GIRLS CLUBS OF AMERICA — $86,000 · Youth DevelopmentCITY OF REFUGE — $300,000 · ReligionNATIONAL CHRISTIAN FOUNDATION INC — $200,000 · Philanthropy
Other$5,775,770Human Services$1,455,000Education$1,395,000Health$870,000Youth Development$686,000Religion$300,000Philanthropy$200,000

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetANDREW P STEWART CENTER INC — $1,450,000 over 8y, 25% of budgetThe Kindezi School Inc — $1,120,000 over 6y, 1.0% of budgetLITERACY ACTION INC — $950,000 over 5y, 14% of budgetCHILDREN'S HOSPITAL OF WISCONSIN INC — $750,000 over 3y, 0.0% of budgetLaAmistad Inc — $600,000 over 3y, 14% of budgetMontford Hall — $350,000 over 3y, 7.5% of budgetCITY OF REFUGE — $300,000 over 1y, 1.3% of budgetBoys & Girls Club of The Plateau Inc — $220,000 over 2y, 2.9% of budgetNATIONAL CHRISTIAN FOUNDATION INC — $200,000 over 1y, 5.1% of budgetPOINT UNIVERSITY INC — $100,000 over 1y, 0.3% of budgetBobby Jones Golf Course Foundation Inc — $100,000 over 1y, 0.8% of budgetBOYS & GIRLS CLUBS OF AMERICA — $86,000 over 1y, 0.0% of budgetGOODWILL OF NORTH GEORGIA INC — $70,000 over 1y, 0.0% of budgetTHE UNIVERSITY OF GEORGIA FOUNDATION — $50,000 over 1y, 0.0% of budgetIAN BURKHART FOUNDATION — $20,000 over 1y, 36% of budgetYMCA OF GREATER ROCHESTER (4368) — $5,000 over 1y, 0.0% of budget
Go grantee by grantee — a decade per org, and how each moved after you funded them

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

  • Who funds ANDREW P STEWART CENTER INC
  • Who funds The Kindezi School Inc
  • Who funds LITERACY ACTION INC
  • Who funds CHILDREN'S HOSPITAL OF WISCONSIN INC
  • Who funds LaAmistad Inc
  • Who funds Montford Hall
  • Who funds CITY OF REFUGE
  • Who funds Boys & Girls Club of The Plateau Inc
  • Who funds NATIONAL CHRISTIAN FOUNDATION INC
  • Who funds POINT UNIVERSITY INC
  • Who funds Bobby Jones Golf Course Foundation Inc
  • Who funds HEALTHCARE FOUNDATION NORTHERN SONOMA COUNTY
  • Who funds BOYS & GIRLS CLUBS OF AMERICA
  • Who funds GOODWILL OF NORTH GEORGIA INC
  • Who funds THE UNIVERSITY OF GEORGIA FOUNDATION
  • Who funds IAN BURKHART FOUNDATION
  • Who funds PELOTONIA
  • Who funds YMCA OF GREATER ROCHESTER (4368)

The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.

The Sartain Lanier Family Foundation IncGA17.8× affinity6 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Sartain Lanier Family Foundation Inc · Georgia Power Foundation Inc · The Community Foundation for Greater Atlanta Inc · Abreu M & F Ctr Tr Ua · Morgan Stanley Global Impact Funding Trust Inc · Charities Aid Foundation America · National Philanthropic Trust · Natl Christian Charitable Fdn Inc · Vanguard Charitable Endowment Program · Donor Advised Charitable Giving Inc · The Bank of America Charitable Foundation Inc · American Online Giving Foundation Inc

Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.

Government reliance of your grantees

Every dot is one organization Thunder Bay Foundation Inc funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal or a single department — and drag the year to watch it move.

2024
202122232425
no gov · 00%2%8%17%30%your share of their income ↑0%13%25%38%50%share of the org’s income from government
    no gov moneyreceives it· size = income
    0get no government money at all
    7report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–50%
    typical government reliance, FY2025

    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 your grant caused the public funding. Coverage is precision-first — a floor, not 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 12–24 months.

    On method. Every financial figure here is read directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 30 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your 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. How we build these →

    Generated from your IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

    More from the funding graph