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Plinth

· Private foundation

Mackworth-Mendoza 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.

$580k
Granted FY2025still arriving
7
Grants FY2025still arriving
5
States reached
$550k
Largest
01What you fund
0196% classified

What you funded, over time

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

Arts & Culture$1.4MEducation$111kFood & Nutrition$51kScience & Tech$13kHealth$12kPublic Safety & Disaster$8kCivil Rights$3kInternational$3kOther$0
02FY2025 · 7 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k5 grants · $18k
  • $10k–50k1 grant · $13k
  • $250k+1 grant · $550k
$5,000
Median grant
5
States reached
$1.0M
Total assets
Largest grants
RecipientAmount
LITERARY ARTS$550,000
THE INTERNATIONAL SCHOOL$12,500
FEEDING SOUTH FLORIDA$5,000
OREGON FOOD BANK$5,000
Individual grant recipient$2,500
AMERICAN DIABETES ASSOC$2,500
HEAL PALESTINE$2,500
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 12%, against an area that typically sits at 9%. 98% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 9%STANFORD UNIVERSITY: $3k → 8%MECA FOR PEACE: $3k → 10%FEEDING SOUTH FLORIDA: $5k → 13%LAKE OSWEGO ARTS COUNCIL: $10k → 8%HEAL PALESTINE: $3k → 12%AMERICAN DIABETES ASSOC: $3k → 7%FEEDING SOUTH FLORIDA: $5k → 13%SATURDAY ACADEMY: $7k → 12%FEEDING SOUTH FLORIDA: $5k → 13%OREGON FOOD BANK: $5k → 12%FEEDING SOUTH FLORIDA: $5k → 13%SATURDAY ACADEMY: $5k → 12%FEEDING SOUTH FLORIDA: $3k → 13%OREGON FOOD BANK: $5k → 12%SATURDAY ACADEMY: $5k → 12%OREGON FOOD BANK: $5k → 12%SATURDAY ACADEMY: $5k → 12%OREGON FOOD BANK: $5k → 12%AMERICAN RED CROSS: $5k → 12%SATURDAY ACADEMY: $5k → 12%OREGON FOOD BANK: $3k → 12%LITERARY ARTS: $550k → 12%LITERARY ARTS: $525k → 12%LITERARY ARTS: $50k → 12%LITERARY ARTS: $35k → 12%LITERARY ARTS: $25k → 12%LITERARY ARTS: $25k → 12%LITERARY ARTS: $15k → 12%LITERARY ARTS: $8k → 12%WORDSTOCK: $5k → 12%MIRACLE THEATRE: $10k → 12%MIRACLE THEATRE: $10k → 12%MIRACLE THEATRE: $10k → 12%OREGON MUSEUM OF SCIENCE & INDUSTRY: $9k → 12%OREGON CHILDREN'S THEATER: $40k → 12%OREGON CHILDREN'S THEATER: $35k → 12%OREGON CHILDRENS THEATRE: $10k → 12%OREGON CHILDRENS THEATRE: $8k → 12%OREGON CHILDRENS THEATRE: $5k → 12%OREGON CHILDRENS THEATRE: $5k → 12%OREGON CHILDRENS THEATRE: $4k → 12%THE INTERNATIONAL SCHOOL: $25k → 12%THE INTERNATIONAL SCHOOL: $15k → 12%THE INTERNATIONAL SCHOOL: $13k → 12%THE INTERNATIONAL SCHOOL: $13k → 12%THE INTERNATIONAL SCHOOL: $13k → 12%THE INTERNATIONAL SCHOOL: $13k → 12%THE INTERNATIONAL SCHOOL: $10k → 12%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.

98%of every dollar goes to organizations you’ve funded before.
$1.6M · 13 repeat orgs$28k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +7% since the first grant, against -9% for the ones you funded once.

13 repeat relationships — 5 still active in FY2025, 8 since wound down; 2 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

13
7

Total granted

$1.6M
$23k

Median revenue growth · since first grant

+7%
-9%

Still filing today

62%
29%

New vs renewed · share of each year

In FY2025, 99% of grant dollars renewed an existing relationship; $5k 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
Arts & CultureEducationHealthFood & NutritionInternationalOther

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

  • LITERARY ARTS INC
    8× · 2018–2025 · $1.2M · revenue +64%
  • TI
    THE INTERNATIONAL SCHOOL
    7× · 2017–2025 · $100k · revenue +33%
  • OREGON FOOD BANK
    6× · 2020–2025 · $26k · revenue +7%

Funded once

  • LO
    LAKE OSWEGO ARTS COUNCIL
    one grant, 2022 · $10k
  • W
    WORDSTOCK
    one grant, 2017 · $5k
  • NE
    NEW EXPRESSIVE WORKS
    one grant, 2020 · $3k · revenue -15%

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
Oregon Ballet Theatre

Oregon ballet theatre is committed to sharing our passion for the expressive power of ballet, inspiring an enduring appreciation of dance, and connecting in meaningful ways to our community through excellence in performance, training, and…

Arts & Culture
2
Oregon Public Broadcasting

Connecting people across oregon and the pacific northwest through the power of a shared story.

Arts & Culture
3
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.

4
Oregon Research Institute

Oregon research institute is an independent behavioral sciences research center dedicated to understanding human behavior and improving the quality of human life through the prevention and treatment of health, educational, and social…

Social Science
5
Oregon Translational Research and Development Institute

Otradi is a non-profit research and development organization, supported in part by the state of oregon, that strives to promote bioscience industry growth and job creation in oregon. otradi achieves this goal via collaboration with private…

Education
6
On the Boards

On the Boards' mission is to invest in leading contemporary performing artists near and far and connect them to a diverse range of communities interested in forward-thinking art and ideas.

7
Institute of Food Technologists

As an organization, the institute of food technologists is focusing its work in four main areas, or "roles and goals." each is wide-reaching and helps to advance our mission.steward for the profession and its community - provide learning,…

8
Profile Theatre Project

Profile theatres mission is to produce a season of first-class productions and community engagement activities centered around a season-long featured writer whose vision broadens our perspective on the world and deepens our collective…

Arts & Culture
9
University of Miami

See Form 990, Part I, Line 1, Description of Organization Mission.

Education
10
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
11
Open Markets Institute

The open markets institute works to help people relearn how to use competition policy to build stronger democracies, more just and equitable societies, more innovative and sustainable economies, and a more secure and peaceful world.

Education
12
University of Oregon Foundation

The purpose and mission of the foundation are, acting on its own or through affiliates, to support and assist the university of oregon in its activities by management and administration of foundation assets representing privately donated…

Education

For reference, the grantee most central to the portfolio’s shape is Literary Arts Inc and the most unlike its peers is American Diabetes Association. 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

12 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. 12 of the 23 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)
12/12
Grantees still filing
5/12
Grew since you first funded

Where your money sits — by cause, then by grantee

LITERARY ARTS INC — $1,232,500 · OtherLITERARY ARTS INCOREGON CHILDREN'S THEATER — $75,000 · Other+11 more — $115,575 · Other+11 moreTHE INTERNATIONAL SCHOOL — $100,000 · EducationTHE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY — $10,250 · Education+1 more — $1,000 · EducationOREGON CHILDREN'S THEATRE COMPANY — $31,500 · Arts & CultureOREGON MUSEUM OF SCIENCE AND INDUSTRY — $12,500 · Arts & CultureNEW EXPRESSIVE WORKS — $2,500 · Arts & Culture+1 more — $1,000 · Arts & CultureFEEDING SOUTH FLORIDA INC — $25,500 · Food & NutritionAmerican Diabetes Association — $12,000 · HealthHEAL PALESTINE INC — $2,500 · International
Other$1,423,075Education$111,250Arts & Culture$47,500Food & Nutrition$25,500Health$12,000International$2,500

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 budgetLITERARY ARTS INC — $1,232,500 over 8y, 9.7% of budgetTHE INTERNATIONAL SCHOOL — $100,000 over 7y, 0.3% of budgetOREGON CHILDREN'S THEATRE COMPANY — $31,500 over 5y, 0.4% of budgetFEEDING SOUTH FLORIDA INC — $25,500 over 6y, 0.0% of budgetOREGON FOOD BANK — $25,500 over 6y, 0.0% of budgetOREGON MUSEUM OF SCIENCE AND INDUSTRY — $12,500 over 3y, 0.1% of budgetAmerican Diabetes Association — $12,000 over 5y, 0.0% of budgetTHE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY — $10,250 over 4y, 0.0% of budgetNEW EXPRESSIVE WORKS — $2,500 over 1y, 0.7% of budgetTHE UNIVERSITY OF FLORIDA FOUNDATION INC — $1,000 over 2y, 0.0% of budgetOREGON SHAKESPEARE FESTIVAL ASSOCIATION INC — $1,000 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 LITERARY ARTS INC
  • Who funds THE INTERNATIONAL SCHOOL
  • Who funds OREGON CHILDREN'S THEATRE COMPANY
  • Who funds FEEDING SOUTH FLORIDA INC
  • Who funds OREGON FOOD BANK
  • Who funds OREGON MUSEUM OF SCIENCE AND INDUSTRY
  • Who funds American Diabetes Association
  • Who funds THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
  • Who funds NEW EXPRESSIVE WORKS
  • Who funds HEAL PALESTINE INC
  • Who funds THE UNIVERSITY OF FLORIDA FOUNDATION INC
  • Who funds OREGON SHAKESPEARE FESTIVAL ASSOCIATION INC

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 Oregon Community FoundationOR13.1× affinity4 shared granteesties to 2 of 2Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Oregon Community Foundation · American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund

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 Mackworth-Mendoza 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.

2024
202122232425
no gov · 20%1%3%6%10%your share of their income ↑0%8%15%22%30%share of the org’s income from governmentmedian 5%
  • Oregon Food Bank21% of income from government
  • Literary Arts Inc10% of income from government
  • Feeding South Florida Inc5% of income from government
  • New Expressive Works5% of income from government
  • Oregon Museum of Science and Industry4% of income from government
  • Oregon Shakespeare Festival Association Inc0% of 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 · 0–30%
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 23 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