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Plinth

· Private foundation

The Sloan Foundation

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.

$2.1M
Granted FY2024still arriving
1
Grants FY2024still arriving
1
States reached
$2.1M
Largest
01What you fund
0199% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20192024.

Philanthropy$8.2MHealth$2.0MArts & Culture$1.5MHousing & Shelter$650kFood & Nutrition$255kEmployment$75kHuman Services$51kInternational$15kOther$0
02FY2024 · 1 grant

Where the money goes

Your grants by size, and where they go.

$2,100,000
Median grant
1
States reached
$39M
Total assets
Largest grants
RecipientAmount
THE ONE EIGHT FUND$2,100,000
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 (FY19–21, $51k) land where the poverty rate runs at 8%, against an area that typically sits at 10%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 10%GUIDE DOGS FOR THE BLIND: $1k → 8%GUIDE DOGS FOR THE BLIND: $1k → 8%GUIDE DOGS FOR THE BLIND: $1k → 8%JEWISH FAMILY SERVICES: $25k → 9%JEWISH FAMILY SERVICES: $10k → 9%JEWISH FAMILY SERVICES: $10k → 9%YMCA OF GREATER SEATTLE: $1k → 9%YMCA OF GREATER SEATTLE: $1k → 9%YMCA OF GREATER SEATTLE: $1k → 9%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.

Which US states your grants reach

AK
WA
MN
MA
CA
DC
HI
GA

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.

92%of every dollar goes to organizations you’ve funded before.
$13M · 19 repeat orgs$1.0M to everyone else

19 repeat relationships — 1 still active in FY2024, 18 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

19
9

Total granted

$13M
$1.0M

Median revenue growth · since first grant

+21%
+33%

Still filing today

74%
56%

New vs renewed · share of each year

In FY2024, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

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

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

’19’20’21’22’23’24
Arts & CultureHuman ServicesHealthPhilanthropyEducationHousing & ShelterOther

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

  • BF
    Brothers for Life
    3× · 2019–2021 · $1.5M · revenue +557%
  • FL
    FOOD LIFELINE
    3× · 2019–2021 · $105k · revenue +39%
  • JF
    JEWISH FAMILY SERVICE
    3× · 2019–2021 · $45k · revenue +121%

Funded once

  • O
    OBLITERIDE
    one grant, 2021 · $1.0M
  • HF
    HABITAT FOR HUMANITY INC
    one grant, 2021 · $10k
  • IM
    INSTITUT MEDICAL DU KASAI
    one grant, 2021 · $10k

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
Perigee Fund

Our mission is to shift policies and systems to increasingly value and embed supports for caregiver and infant mental health in the places where families are during pregnancy and early childhood. perigee is organized & operated as a…

Health
2
Seattle Foundation

Seattle foundation's mission is to ignite powerful and rewarding philanthropy to make greater seattle a stronger, more vibrant community for all.

Philanthropy
3
Federation of State Medical Boards of the United States Inc

The fsmb serves as the voice for state medical boards, supporting them through education, assessment, research and advocacy while providing services and initiatives that promote patient safety, quality health care and regulatory best…

Health
4
Seattle Biomedical Research Institute

We conduct fundamental infectious disease research to generate critical new knowledge about pathogens and their interactions with see schedule o for continuationhumans to enable the discovery and development of novel interventions,…

5
United States Naval Institute

Provide an independent forum for those who dare to read, think, speak, and write to advance the professional, literary, and scientific understanding of sea power and other issues critical to global security.

6
Fsc I&P

Fsc i&p promotes environmentally appropriate, socially beneficial, and economically viable management of the world's forests. this mission aligns with the forest stewardship council (fsc), its network of offices, and other organizations.…

Philanthropy
7
The Water Research Foundation

The purpose of the water research foundation (wrf) is a definitive research organization to advance the science of all things water to better meet the evolving needs of its subscribers and the water sector. to engage exclusively in…

Environment
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
Portland State University Foundation

Portland state university foundation is responsible for raising and managing private resources to advance psu's priorities and mission to be a leading urban university.

10
Nexus Youth and Families

Restoring hope, building futures, and strengthening our communities through programs with youth, young adults and families. we support the behavioral health of at-risk and in-crisis youth across the greater south king county area. we take…

Human Services
11
The Humane Society for Seattleking County

Seattle humane promotes the human-animal bond by saving and serving pets in need, regardless of age, ability, circumstance or geography.

Animals
12
Siff

Siff is a seattle-based 501(c)(3) arts nonprofit dedicated to the creation of vibrant experiences and spaces that champion film discovery and arts education.

Youth Development

For reference, the grantee most central to the portfolio’s shape is Fred Hutchinson Cancer Research Center and the most unlike its peers is Seattle Science 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

22 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. 22 of the 29 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.

0
Load-bearing (≥25% of a budget)
5
Early backer (in before they grew)
20/22
Grantees still filing
15/22
Grew since you first funded

Where your money sits — by cause, then by grantee

THE ONE EIGHT FUND — $8,030,000 · OtherTHE ONE EIGHT FUNDFRED HUTCHINSON CANCER RESEARCH CENTER — $1,900,000 · OtherFRED HUTCHINSON CANCER RESEARCH CENTEROBLITERIDE — $1,000,000 · OtherOBLITERIDE+14 more — $327,500 · OtherBrothers for Life — $1,501,000 · Arts & CultureBrothers for…+2 more — $6,500 · Arts & CulturePLYMOUTH HOUSING GROUP AND SUBSIDIARIES — $625,000 · Housing & ShelterJEWISH FEDERATION OF GREATER SEATTLE — $150,000 · PhilanthropyPROSTATE CANCER FOUNDATION — $15,000 · Philanthropy+1 more — $5,000 · PhilanthropyFOOD LIFELINE — $105,000 · Food & NutritionFARESTART — $75,000 · EmploymentJEWISH FAMILY SERVICE — $45,000 · Human ServicesTHE YOUNG MEN'S CHRISTIAN ASSOCIATION OF GREATER SEATTLE (6871) — $3,000 · Human ServicesGUIDE DOGS FOR THE BLIND INC — $3,000 · Human Services
Other$11,257,500Arts & Culture$1,507,500Housing & Shelter$625,000Philanthropy$170,000Food & Nutrition$105,000Employment$75,000Human Services$51,000

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 budgetFRED HUTCHINSON CANCER RESEARCH CENTER — $1,900,000 over 2y, 0.2% of budgetBrothers for Life — $1,501,000 over 3y, 17% of budgetPLYMOUTH HOUSING GROUP AND SUBSIDIARIES — $625,000 over 3y, 0.6% of budgetJEWISH FEDERATION OF GREATER SEATTLE — $150,000 over 3y, 0.6% of budgetNORTHWEST HARVEST EMM — $150,000 over 2y, 0.1% of budgetFOOD LIFELINE — $105,000 over 3y, 0.0% of budgetFARESTART — $75,000 over 2y, 0.3% of budgetJEWISH FAMILY SERVICE — $45,000 over 3y, 0.1% of budgetRIVKIN CENTER FOR OVARIAN CANCER — $16,000 over 4y, 0.3% of budgetMARCH TO THE TOP - AFRICA — $15,000 over 3y, 1.5% of budgetPROSTATE CANCER FOUNDATION — $15,000 over 3y, 0.0% of budgetHABITAT FOR HUMANITY INC — $10,000 over 1y, 6.3% of budgetUPOWER — $10,000 over 1y, 1.7% of budgetHUALALAI OHANA FOUNDATION — $7,500 over 3y, 0.2% of budgetSeattle Science Foundation — $5,000 over 1y, 0.2% of budgetSEATTLE ART MUSEUM — $5,000 over 1y, 0.0% of budgetNMDP FOUNDATION — $5,000 over 1y, 0.0% of budgetTHE YOUNG MEN'S CHRISTIAN ASSOCIATION OF GREATER SEATTLE (6871) — $3,000 over 3y, 0.0% of budgetGUIDE DOGS FOR THE BLIND INC — $3,000 over 3y, 0.0% of budgetUNIVERSITY OF ALASKA FOUNDATION — $2,000 over 1y, 0.0% of budgetBEHIND THE BADGE FOUNDATION — $1,500 over 3y, 0.1% of budgetHillel Foundation for Jewish Life at the University of Washington — $1,000 over 4y, 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.

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.

Seattle FoundationWA14.8× affinity5 shared granteesties to 8 of 8Hover any node to trace its alignments.Compare side by side →

Open a dossier: Seattle Foundation · National Philanthropic Trust · Morgan Stanley Global Impact Funding Trust Inc · Vanguard Charitable Endowment Program · The Blackbaud Giving Fund · Donor Advised Charitable Giving Inc · American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation

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 The Sloan Foundation 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%1%4%8%15%your share of their income ↑0%25%50%75%100%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
    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 29 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