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Plinth

· Private foundation

The Cobble Creek 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.

$11k
Granted FY2025still arriving
2
Grants FY2025still arriving
2
States reached
$10k
Largest
01What you fund
0178% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172025.

International$78kReligion$26kHealth$22kArts & Culture$6kCivil Rights$530Education$345Philanthropy$120Public Benefit$50Other$0
02FY2025 · 2 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k1 grant · $1k
  • $10k–50k1 grant · $10k
$10,000
Median grant
2
States reached
$336k
Total assets
Largest grants
RecipientAmount
INTERNATIONAL GENEROSITY FOUNDATION$10,000
DIDI HIRSCH MENTAL HEALTH SERVICES$1,000
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:

Dollar for dollar, your grants (FY17–25) land where the poverty rate runs at 13%, against an area that typically sits at 12%. 99% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 12%SOUTH AFRICAN DEVELOPMENT FUND: $8k → 16%AIDS LIFE CYCLE: $1k → 10%DIDI HIRSCH MENTAL HEALTH SERVICES: $5k → 14%AMNESTY USA: $300 → 17%COMMON CAUSE ED FUND: $50 → 14%INTERNATIONAL GENEROSITY FOUNDATION: $60k → 12%ASPEN COMMUNITY SCHOOL: $345 → 7%AIDS LIFE CYCLE: $515 → 10%DIDI HIRSCH MENTAL HEALTH SERVICES: $5k → 14%AMNESTY USA: $300 → 17%ADVOCATES FOR YOUTH: $500 → 14%INTERNATIONAL GENEROSITY FOUNDATION: $10k → 12%ALL OUT ACTION FUND: $20 → 10%DIDI HIRSCH MENTAL HEALTH SERVICES: $3k → 14%AMNESTY USA: $300 → 17%DIDI HIRSCH MENTAL HEALTH SERVICES: $2k → 14%AMNESTY USA: $250 → 17%DIDI HIRSCH MENTAL HEALTH SERVICES: $2k → 14%AMNESTY USA: $225 → 17%DIDI HIRSCH MENTAL HEALTH SERVICES: $1k → 14%AMNESTY USA: $175 → 17%DIDI HIRSCH MENTAL HEALTH SERVICES: $1k → 14%FOUNDATION FOR THE AIDS MONUMENT: $5k → 14%THE GIVING BACK FUND: $100 → 14%INSIGHTLA MEDITATION: $5k → 14%FOUNDATION FOR A NATIONAL AIDS MONUMENT: $750 → 14%VEINCE FAMILY CLINIC: $1k → 14%VEINCE FAMILY CLINIC: $1k → 14%INSIGHT LA: $5k → 14%INSIGHT LA: $5k → 14%INSIGHT LA: $5k → 14%INSIGHT LA: $5k → 14%INSIGHT LA: $5k → 14%ACTBLUE BLM: $1k → 14%INSIGHT LA: $500 → 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.

89%of every dollar goes to organizations you’ve funded before.
$125k · 7 repeat orgs$15k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +68% since the first grant, against -13% for the ones you funded once.

7 repeat relationships — 2 still active in FY2025, 5 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

7
8

Total granted

$125k
$15k

Median revenue growth · since first grant

+68%
-13%

Still filing today

43%
38%

New vs renewed · share of each year

In FY2025, 100% of grant dollars renewed an existing relationship; $0 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
HealthInternationalArts & CultureOther

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

  • IG
    INTERNATIONAL GENEROSITY FOUNDATION
    2× · 2024–2025 · $70k
  • II
    INSIGHTLA INC
    6× · 2017–2022 · $26k
  • DH
    DIDI HIRSCH PSYCHIATRIC SERVICE
    7× · 2017–2025 · $19k · revenue +81%

Funded once

  • SA
    SOUTH AFRICA DEVELOPMENT FUND INC
    one grant, 2017 · $8k · revenue -47%
  • IG
    Individual grant recipient
    one grant, 2024 · $5k
  • IG
    Individual grant recipient
    one grant, 2021 · $1k

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

04Your field
04the grantee network

7 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. 7 of the 16 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)
1
Early backer (in before they grew)
7/7
Grantees still filing
4/7
Grew since you first funded

Where your money sits — by cause, then by grantee

INTERNATIONAL GENEROSITY FOUNDATION — $70,000 · OtherINTERNATIONAL GENEROSITY FOUNDATIONINSIGHTLA INC — $25,500 · OtherINSIGHTLA INCIndividual grant recipient — $5,000 · Other+7 more — $4,980 · OtherDIDI HIRSCH PSYCHIATRIC SERVICE — $18,560 · HealthDIDI HIRSCH PSYC…VENICE FAMILY CLINIC — $2,000 · HealthVENICE FAMILY CL…SOUTH AFRICA DEVELOPMENT FUND INC — $8,000 · International+1 more — $30 · InternationalFOUNDATION FOR THE AIDS MONUMENT — $5,750 · Arts & CultureTHE GIVING BACK FUND — $100 · Philanthropy
Other$105,480Health$20,560International$8,030Arts & Culture$5,750Philanthropy$100

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 budgetDIDI HIRSCH PSYCHIATRIC SERVICE — $18,560 over 7y, 0.0% of budgetSOUTH AFRICA DEVELOPMENT FUND INC — $8,000 over 1y, 1.0% of budgetFOUNDATION FOR THE AIDS MONUMENT — $5,750 over 2y, 8.3% of budgetVENICE FAMILY CLINIC — $2,000 over 2y, 0.0% of budgetADVOCATES FOR YOUTH — $500 over 1y, 0.0% of budgetTHE GIVING BACK FUND — $100 over 1y, 0.0% of budgetA JEWISH VOICE FOR PEACE — $30 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 DIDI HIRSCH PSYCHIATRIC SERVICE
  • Who funds SOUTH AFRICA DEVELOPMENT FUND INC
  • Who funds FOUNDATION FOR THE AIDS MONUMENT
  • Who funds VENICE FAMILY CLINIC
  • Who funds ADVOCATES FOR YOUTH
  • Who funds THE GIVING BACK FUND
  • Who funds A JEWISH VOICE FOR PEACE

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 set of overlaps that mostly run through you, not between each other.

Amazonsmile FoundationWA3.3× affinity4 shared granteesties to 0 of 0Hover any node to trace its alignments.Compare side by side →

Open a dossier: 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 Cobble Creek 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, a single department, or state — and drag the year to watch it move.

2025
202122232425
no gov · 20%1%3%6%10%your share of their income ↑0%10%20%30%40%share of the org’s income from government
    no gov moneyreceives it· size = income
    2get no government money at all
    1report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–40%
    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 16 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 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

    More from the funding graph