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Plinth

· Private foundation

Harteveldt 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.

$156k
Granted FY2024still arriving
8
Grants FY2024still arriving
6
States reached
$40k
Largest
01What you fund
0197% classified

What you funded, over time

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

Education$605kHealth$107kHuman Services$46kFood & Nutrition$38kReligion$15kPhilanthropy$9kArts & Culture$8kOther$0
02FY2024 · 8 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2024

  • Under $10k1 grant · $1k
  • $10k–50k7 grants · $155k
$20,000
Median grant
6
States reached
$2.0M
Total assets
Largest grants
RecipientAmount
HARLEM ACADEMY$40,000
DARTMOUTH COLLEGE$40,000
TULANE FREEMAN SCHOOL OF BUSINESS$25,000
CHOATE ROSEMARY HALL$20,000
SF JEWISH FAMILY AND CHILDREN SERVICES$10,000
GREENWICH COUNTRY DAY SCHOOL$10,000
GREENWICH ACADEMY$10,000
AMERICAN CANCER SOCIETY$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 (FY17–24) land where the poverty rate runs at 14%, against an area that typically sits at 13%. 38% of your dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 13%SAN FRANCISCO MUSEUM OF MODERN ART: $5k → 10%NNORTH VALLEY COMMUNITY FOUNDATION: $3k → 18%SYRACUSE UNIVERSITY: $15k → 14%RIVERDALE COUNTRY DAY SCHOOL: $10k → 28%GREENWICH COUNTRY DAY SCHOOL: $20k → 9%CHOATE ROSEMARY HALL: $20k → 12%TULANE FREEMAN SCHOOL OF BUSINESS: $30k → 23%JOHNS HOPKINS INSTITUTIONS: $40k → 19%DARTMOUTH COLLEGE: $50k → 10%KDFC PUBLIC RADIO: $5k → 10%RIVERDALE COUNTRY DAY SCHOOL: $10k → 28%GREENWICH ACADEMY: $20k → 9%CHOATE ROSEMARY HALL: $20k → 12%TULANE FREEMAN SCHOOL OF BUSINESS: $25k → 23%JOHNS HOPKINS INSTITUTIONS: $40k → 19%DARTMOUTH COLLEGE: $40k → 10%SAN FRANCISCO FOOD BANK: $10k → 10%HARLEM ACADEMY: $40k → 17%RIVERDALE COUNTRY DAY SCHOOL: $5k → 28%GREENWICH COUNTRY DAY SCHOOL: $20k → 9%TULANE FREEMAN SCHOOL OF BUSINESS: $10k → 23%DARTMOUTH COLLEGE: $40k → 10%SAN FRANCISCO FOOD BANK: $5k → 10%HARLEM ACADEMY: $20k → 17%JUPITER MEDICAL FOUNDATION: $11k → 11%GREENWICH ACADEMY: $10k → 9%DARTMOUTH COLLEGE: $40k → 10%HARLEM ACADEMY: $20k → 17%JUPITER MEDICAL FOUNDATION: $10k → 11%GREENWICH ACADEMY: $10k → 9%DARTMOUTH COLLEGE: $40k → 10%HARLEM ACADEMY: $20k → 17%GREENWICH COUNTRY DAY SCHOOL: $10k → 9%DARTMOUTH COLLEGE: $40k → 10%SF JEWISH FAMILY AND CHILDREN SERVICES: $10k → 10%HARLEM ACADEMY: $10k → 17%DARTMOUTH COLLEGE: $10k → 10%SF JEWISH FAMILY AND CHILDREN SERVICES: $10k → 10%CONGREGATION EMANU-EL OF NEW YORK: $5k → 17%SF JEWISH FAMILY AND CHILDREN SERVICES: $10k → 10%CONGREGATION EMANU-EL OF NEW YORK: $5k → 17%SF JEWISH FAMILY AND CHILDREN SERVICES: $10k → 10%TEMPLE EMANU-EL: $4k → 17%SF JEWISH FAMILY AND CHILDREN SERVICES: $5k → 10%PROJECT OPEN HAND: $10k → 10%PROJECT OPEN HAND: $5k → 10%PROJECT OPEN HAND: $5k → 10%KQED PUBLIC TELEVISION: $5k → 10%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

NH
NY
OH
PA
CT
CA
MD
LA
GA
FL

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.

93%of every dollar goes to organizations you’ve funded before.
$534k · 14 repeat orgs$40k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +64% since the first grant, against +55% for the ones you funded once.

14 repeat relationships — 6 still active in FY2024, 8 since wound down; 1 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

14
16

Total granted

$534k
$39k

Median revenue growth · since first grant

+64%
+55%

Still filing today

57%
44%

New vs renewed · share of each year

In FY2024, 99% of grant dollars renewed an existing relationship; $1k went to new ones.

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

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

’17’18’20’21’22’23’24
EducationArts & CultureFood & NutritionPhilanthropyReligionHealthOther

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

  • GC
    GREENWICH COUNTRY DAY SCHOOL INC
    3× · 2022–2024 · $50k · revenue +64%
  • CR
    CHOATE ROSEMARY HALL FOUNDATION INCORPORATED
    2× · 2023–2024 · $40k · revenue +13%
  • GA
    GREENWICH ACADEMY INC
    3× · 2021–2024 · $40k · revenue +8%

Funded once

  • SYRACUSE UNIVERSITYgraduated
    one grant, 2020 · $15k · revenue +29%
  • IG
    Individual grant recipient
    one grant, 2020 · $5k
  • IG
    Individual grant recipient
    one grant, 2020 · $5k

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
Boston Architectural College

The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.

2
University of New Haven

The University of New Haven is a student-centered comprehensive university with an emphasis on excellence in liberal arts and professional education. Our mission is to prepare our students to lead purposeful and fulfilling lives in a…

Education
3
Stony Brook Surgical Associates University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
4
Stony Brook Ophthalmology University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
5
Stony Brook Internists University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
6
Northeast College of Health Sciences

Northeast college of health sciences (the college) is committed to academic excellence, leadership, and professional best practices in the health sciences.

Education
7
The Trustees of Princeton University

Research, education and general - princeton university is a private not-for-profit, non-sectarian institution of higher learning with approximately 5,700 undergraduate and 3,300 graduate students. 2,500 students graduated in the 2024-2025…

Education
8
President and Fellows of Harvard College

Undergraduate, graduate, and professional education and research across a broad array of academic domains.

Education
9
Neurology Associates of Stony Brook University Faculty Practice Corp

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
10
Manhattanville University

To educate students to be ethical and socially responsible leaders in a global community.

Education
11
Stony Brook Childrens Services University Faculty Practice Corporation

Provide clinical instruction to and supervision of medical school students, interns and residents and, incident thereto, rendering professional services.

Health
12
Massachusetts Institute of Technology

The mission of mit is to advance knowledge and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century.

Education

For reference, the grantee most central to the portfolio’s shape is Greenwich Academy Inc and the most unlike its peers is San Francisco Museum of Modern Art. 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 33 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)
3
Early backer (in before they grew)
18/18
Grantees still filing
14/18
Grew since you first funded

Where your money sits — by cause, then by grantee

Trustees of Dartmouth College — $260,000 · EducationTrustees of Dartmouth CollegeHARLEM ACADEMY — $110,000 · EducationHARLEM ACADEMYGREENWICH COUNTRY DAY SCHOOL INC — $50,000 · EducationGREENWICH COUNTRY DAY SCHOOL INCCHOATE ROSEMARY HALL FOUNDATION INCORPORATED — $40,000 · EducationCHOATE ROSEMARY HALL FOUNDATION INCORPORATEDGREENWICH ACADEMY INC — $40,000 · EducationGREENWICH ACADEMY INCRIVERDALE COUNTRY SCHOOL INC — $25,000 · Education+2 more — $19,000 · EducationJOHNS HOPKINS INSTITUTIONS — $80,079 · OtherJOHNS HOPKINS INSTITUTIONSTULANE FREEMAN SCHOOL OF BUSINESS — $65,000 · OtherTULANE FREEMAN SCHOOL OF BUSINESSSF JEWISH FAMILY AND CHILDREN SERVICES — $45,000 · OtherSF JEWISH FAMILY AND CHILDREN SERVI…JUPITER MEDICAL FOUNDATION — $21,000 · OtherJUPITER MEDICAL FOUNDATIONSAN FRANCISCO FOOD BANK — $17,000 · OtherSAN FRANCISCO FOOD BANKCONGREGATION EMANU-EL OF NEW YORK — $10,850 · Other+10 more — $20,625 · Other+10 moreProject Open Hand — $21,000 · Food & NutritionSAN FRANCISCO MUSEUM OF MODERN ART — $5,000 · Arts & CultureSOUTH FLORIDA PBS INC — $1,000 · Arts & CultureMALTZ JUPITER THEATRE INC — $500 · Arts & Culture+1 more — $125 · Arts & CultureNORTH VALLEY COMMUNITY FOUNDATION — $3,000 · PhilanthropyADMIRALS COVE FOUNDATION INC — $1,000 · PhilanthropyAMERICAN CANCER SOCIETY INC — $1,000 · HealthMANDEL JEWISH COMMUNITY CENTER OF THE PALM BEACHES INC — $650 · Religion
Education$544,000Other$259,554Food & Nutrition$21,000Arts & Culture$6,625Philanthropy$4,000Health$1,000Religion$650

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

25%50%75%100%$10M$100Mgrantee revenue →↑ your share of their budgetTrustees of Dartmouth College — $260,000 over 7y, 0.0% of budgetHARLEM ACADEMY — $110,000 over 5y, 0.5% of budgetGREENWICH COUNTRY DAY SCHOOL INC — $50,000 over 3y, 0.0% of budgetCHOATE ROSEMARY HALL FOUNDATION INCORPORATED — $40,000 over 2y, 0.0% of budgetGREENWICH ACADEMY INC — $40,000 over 3y, 0.0% of budgetRIVERDALE COUNTRY SCHOOL INC — $25,000 over 3y, 0.0% of budgetProject Open Hand — $21,000 over 4y, 0.1% of budgetSAN FRANCISCO FOOD BANK — $17,000 over 4y, 0.0% of budgetSYRACUSE UNIVERSITY — $15,000 over 1y, 0.0% of budgetSAN FRANCISCO MUSEUM OF MODERN ART — $5,000 over 1y, 0.0% of budgetWILLS EYE FOUNDATION INC — $4,000 over 2y, 0.2% of budgetAMERICAN CANCER SOCIETY INC — $1,000 over 1y, 0.0% of budgetSOUTH FLORIDA PBS INC — $1,000 over 1y, 0.0% of budgetMALTZ JUPITER THEATRE INC — $500 over 1y, 0.0% of budgetNORTON MUSEUM OF ART INC — $125 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 Trustees of Dartmouth College
  • Who funds HARLEM ACADEMY
  • Who funds GREENWICH COUNTRY DAY SCHOOL INC
  • Who funds CHOATE ROSEMARY HALL FOUNDATION INCORPORATED
  • Who funds GREENWICH ACADEMY INC
  • Who funds RIVERDALE COUNTRY SCHOOL INC
  • Who funds Project Open Hand
  • Who funds SAN FRANCISCO FOOD BANK
  • Who funds SYRACUSE UNIVERSITY
  • Who funds SAN FRANCISCO MUSEUM OF MODERN ART
  • Who funds WILLS EYE FOUNDATION INC
  • Who funds NORTH VALLEY COMMUNITY FOUNDATION
  • Who funds AMERICAN CANCER SOCIETY INC
  • Who funds ADMIRALS COVE FOUNDATION INC
  • Who funds SOUTH FLORIDA PBS INC
  • Who funds MANDEL JEWISH COMMUNITY CENTER OF THE PALM BEACHES INC
  • Who funds MALTZ JUPITER THEATRE INC
  • Who funds NORTON MUSEUM OF ART INC

Government reliance of your grantees

Every dot is one organization Harteveldt 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, a single department, or state — and drag the year to watch it move.

2025
202122232425
no gov · 40%0%1%3%5%your share of their income ↑0%3%5%8%10%share of the org’s income from government
    no gov moneyreceives it· size = income
    4get 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 · 0–10%
    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 33 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