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Plinth

· Private foundation

Hazel L Wilbur Charitable Trust

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.

$32k
Granted FY2025still arriving
11
Grants FY2025still arriving
5
States reached
$3k
Largest
01What you fund
0182% classified

What you funded, over time

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

Animals$94kEnvironment$49kEducation$27kRecreation & Sports$25kReligion$25kArts & Culture$19kOther$0
02FY2025 · 11 grants

Where the money goes

Your grants by size, and where they go.

$2,909
Median grant
5
States reached
$465k
Total assets
Largest grants
RecipientAmount
The Conservancy Of Southwest Florida$2,909
National Audubon Society Inc$2,909
National Wildlife Federation$2,909
UNITED METHODIST CHURCH$2,909
Wildlife Conservation Society$2,909
The Humane Society Of The US$2,909
Individual grant recipient$2,909
BOSTON UNIVERSITY$2,909
Individual grant recipient$2,909
The Nature Conservancy Inc$2,909
The Fresh Air Fund$2,909
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 14%, against an area that typically sits at 10%. 80% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 10%BOSTON UNIVERSITY: $3k → 7%BOSTON UNIVERSITY: $3k → 16%UNITED METHODIST CHURCH: $3k → 12%LABORATORY OF ORNITHOLOGY: $3k → 16%National Audubon Society Inc: $3k → 17%Wildlife Conservation Society: $3k → 28%The Humane Society Of The US: $3k → 14%The Conservancy Of Southwest Florida: $3k → 10%National Wildlife Federation: $3k → 6%The Nature Conservancy Inc: $3k → 7%THE COUSTEAU SOCIETY INC: $3k → 9%COUSTEAU SOCIETY: $3k → 14%BOSTON UNIVERSITY: $3k → 16%UNITED METHODIST CHURCH: $3k → 12%LABORATORY OF ORNITHOLOGY: $3k → 16%National Audubon Society Inc: $3k → 17%Wildlife Conservation Society: $3k → 28%The Humane Society Of The U S: $3k → 14%The Conservancy Of Southwest Florida: $3k → 10%National Wildlife Federation: $3k → 6%The Nature Conservancy Inc: $3k → 7%THE COUSTEAU SOCIETY INC: $3k → 9%BOSTON UNIVERSITY: $3k → 16%UNITED METHODIST CHURCH: $3k → 12%LABORATORY OF ORNITHOLOGY: $3k → 16%National Audubon Society Inc: $3k → 17%Wildlife Conservation Society: $3k → 28%The Humane Society Of The US: $3k → 14%The Conservancy Of Southwest Florida: $3k → 10%National Wildlife Federation: $3k → 6%The Nature Conservancy Inc: $3k → 7%BOSTON UNIVERSITY FBO SARGENT COLL: $3k → 16%UNITED METHODIST CHURCH: $3k → 12%LABORATORY OF ORNITHOLOGY: $3k → 16%National Audubon Society Inc: $3k → 17%Wildlife Conservation Society: $3k → 28%The Humane Society Of The US: $3k → 14%The Conservancy Of Southwest Florida: $3k → 10%National Wildlife Federation: $3k → 6%The Nature Conservancy Inc: $3k → 7%CHENANGO SPCA: $3k → 12%CHENANGO SPCA: $3k → 12%The Fresh Air Fund: $3k → 17%CHENANGO SPCA: $3k → 12%The Fresh Air Fund: $3k → 17%CHENANGO SPCA: $3k → 12%The Fresh Air Fund: $3k → 17%The Fresh Air Fund: $3k → 17%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.

96%of every dollar goes to organizations you’ve funded before.
$256k · 12 repeat orgs$10k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +46% since the first grant, against +23% for the ones you funded once.

12 repeat relationships — 10 still active in FY2025, 2 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

12
4

Total granted

$256k
$10k

Median revenue growth · since first grant

+46%
+23%

Still filing today

58%
25%

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
AnimalsRecreation & SportsEnvironmentEducationOther

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

  • WC
    Wildlife Conservation Society
    9× · 2017–2025 · $25k · revenue +59%
  • HW
    Humane World for Animals Inc
    9× · 2017–2025 · $25k · revenue +46%
  • NW
    NATIONAL WILDLIFE FEDERATION
    8× · 2018–2025 · $22k · revenue +87%

Funded once

  • Cornell University
    one grant, 2021 · $3k · revenue +23%
  • CO
    CONSERVANCY OF SOUTHWEST
    one grant, 2017 · $3k
  • IG
    Individual grant recipient
    one grant, 2017 · $3k

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
World Wildlife Fund Inc

Wwf's mission is to conserve nature and reduce the most pressing threats to the diversity of life on earth. (continued on schedule o)

Environment
2
Conservation International Foundation

Ci works to spotlight and secure the critical benefits that nature provides to humanity.

Environment
3
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
4
American Humane Association

Founded in 1877, american humane association, dba american humane society (american humane) is committed to ensuring the safety, welfare and well-being of animals. our leadership programs are first to serve in promoting and nurturing the…

Animals
5
Humane World for Animals International

HUMANE WORLD FOR ANIMALS INTERNATIONAL, FKA HUMANE SOCIETY INTERNATIONAL (HSI), works around the globe to promote the human-animal bond, rescue and protect dogs and cats, improve farm animal welfare, protect wildlife, promote animal-free…

Animals
6
National Audubon Society Inc

We work towards a future where birds thrive across the americas because audubon is a powerful, diverse, and ever-growing force for conservation. (continued on schedule o).

Environment
7
Denver Zoological Foundation

Inspiring communities to save wildlife for future generations.

Animals
8
World Animal Protection

World animal protection is a global organization working to end factory farming and wildlife exploitation. we expose cruel systems, promote animal-friendly alternatives, and influence policy change. for over 75 years, we've been rewriting…

Animals
9
For the Fishes

To address, educate, coordinate, and enhance enforcement capacity to end teh trade in coral reef wildlife for household and other small display aquariums. our supply and demand side strategies are directed locally and globally to…

Animals
10
Panthera Corporation

Panthera's mission is the conservation of the world's 40 wild cat species, many of which are endangered or threatened. panthera develops, implements and oversees wild cat conservation strategies on a global scale.

Animals
11
The Academy of Natural Sciences of Philadelphia

The mission is "to understand the natural world and inspire everyone to care for it." the academy implements its mission through understanding the diversity of life; developing and applying science to protect the environment; and informing…

Science & Tech
12
Audubon Nature Institute Inc

Operation of museums and parks dedicated to nature on behalf of the City of New Orleans.

Animals

For reference, the grantee most central to the portfolio’s shape is The Nature Conservancy and the most unlike its peers is Humane World for Animals Inc. 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

9 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. 9 of the 17 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)
0
Early backer (in before they grew)
9/9
Grantees still filing
7/9
Grew since you first funded

Where your money sits — by cause, then by grantee

UNITED METHODIST CHURCH — $24,702 · OtherUNITED METHODIST CHURCHIndividual grant recipient — $24,702 · OtherIndividual grant recipientTHE NATURE CONSERVANCY — $24,702 · OtherTHE NATURE CONSERVANCYNational Audubon Society Inc — $22,181 · OtherNational Audubon Society IncTHE CONSERVANCY OF SOUTHWEST FLORIDA — $22,181 · OtherTHE CONSERVANCY OF SOUTHWEST FLORIDAIndividual grant recipient — $22,154 · OtherIndividual grant recipientTRUSTEES OF BOSTON UNIVERSITY — $14,417 · OtherTRUSTEES OF BOSTON UNIVERSITYBOSTON UNIVERSITY FBO SARGENT COLL — $10,285 · OtherBOSTON UNIVERSITY FBO SARGENT COLL+3 more — $7,563 · OtherWildlife Conservation Society — $24,702 · AnimalsWildlife Conservation Socie…Humane World for Animals Inc — $24,702 · AnimalsHumane World for Animals In…NATIONAL WILDLIFE FEDERATION — $22,181 · AnimalsNATIONAL WILDLIFE FEDERATIO…FRESH AIR FUND — $24,702 · Recreation & SportsFRESH AIR…The Cousteau Society Inc — $18,633 · EnvironmentCornell University — $2,548 · Education
Other$172,887Animals$71,585Recreation & Sports$24,702Environment$18,633Education$2,548

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 budgetWildlife Conservation Society — $24,702 over 9y, 0.0% of budgetFRESH AIR FUND — $24,702 over 9y, 0.0% of budgetTHE NATURE CONSERVANCY — $24,702 over 9y, 0.0% of budgetHumane World for Animals Inc — $24,702 over 9y, 0.0% of budgetNATIONAL WILDLIFE FEDERATION — $22,181 over 8y, 0.0% of budgetTHE CONSERVANCY OF SOUTHWEST FLORIDA — $22,181 over 8y, 0.0% of budgetThe Cousteau Society Inc — $18,633 over 7y, 0.4% of budgetTRUSTEES OF BOSTON UNIVERSITY — $14,417 over 5y, 0.0% of budgetCornell University — $2,548 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 Wildlife Conservation Society
  • Who funds FRESH AIR FUND
  • Who funds THE NATURE CONSERVANCY
  • Who funds Humane World for Animals Inc
  • Who funds NATIONAL WILDLIFE FEDERATION
  • Who funds THE CONSERVANCY OF SOUTHWEST FLORIDA
  • Who funds The Cousteau Society Inc
  • Who funds TRUSTEES OF BOSTON UNIVERSITY
  • Who funds Cornell University

Government reliance of your grantees

Every dot is one organization Hazel L Wilbur Charitable Trust 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.

2024
202122232425
no gov · 00%0%1%3%5%your share of their income ↑0%6%13%19%25%share of the org’s income from governmentmedian 12%
  • Trustees of Boston University12% of income from government
no gov moneyreceives it· size = income
0get no government money at all
2report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–25%
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 17 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

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