Skip to content
The May Foundation Trust at a glance

· Private foundation

The May Foundation Trust

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
19
Grants FY2024still arriving
7
States reached
$31k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
05Through PlinthRead
01What it funds
0195% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Animals$350kInternational$221kHealth$34kPhilanthropy$27kCommunity Improvement$25kCivil Rights$24kHuman Services$14kEnvironment$14kOther$0
02FY2024 · 19 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k14 grants · $45k
  • $10k–50k5 grants · $111k
$5,000
Median grant
7
States reached
$158k
Total assets
Largest grants
RecipientAmount
WILDLIFE RESCUE OF NAPA VALLEY$31,000
THE RESOURCE FOUNDATION$30,000
SUNRISE HORSE RESCUE$30,000
MUTTVILLE SENIOR DOG RESCUE$10,000
VENTANA WILDLIFE SOCIETY$10,000
PLANNED PARENTHOOD FEDERATION OF AM$5,000
HUMAN RIGHTS CAMPAIGN$5,000
NATIONAL CENTER FOR LESBIAN RIGHTS$5,000
NATIVE SONGBIRD CARE & CONSERVATION$5,000
NAPA COMMUNITY ANIMAL RESPONSE TEAM$5,000
THE HUMANE LEAGUE$4,000
GOOD FOOD INSTITUTE$4,000
DOCTORS WITHOUT BORDERS$2,000
ABORTION CARE NETWORK$2,000
SIERRA CLUB FOUNDATION$2,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY20–21, $14k) land where the poverty rate runs at 9%, against an area that typically sits at 11%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 11%COMMUNITY ACTION OF NAPA VALLEY: $7k → 9%COMMUNITY ACTION OF NAPA VALLEY: $1k → 9%VINE VILLAGE: $5k → 9%MOLLY'S ANGELS: $500 → 9%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

MN
IL
NY
MA
CA
MD
NC
DC
HI
TX
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

85%of every dollar goes to organizations it has funded before.
$457k · 20 repeat orgs$79k to everyone else

Grantees it renews have grown median revenue +40% since the first grant, against +13% for those funded once.

20 repeat relationships: 17 still active in FY2024, 3 since wound down; 1 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

20
19

Total granted

$457k
$78k

Median revenue growth · since first grant

+40%
+13%

Still filing today

90%
32%

New vs renewed · share of each year

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

50%100%’17’19’20’21’22’23’24
RenewedFirst-time

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

’17’19’20’21’22’23’24
AnimalsHealthHuman ServicesEnvironmentFood & NutritionInternationalOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). 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

  • SH
    SUNRISE HORSE RESCUE
    6× · 2019–2024 · $108k · revenue +160%
  • VW
    VENTANA WILDLIFE SOCIETY
    7× · 2017–2024 · $50k · revenue +9%
  • MEDECINS SANS FRONTIERES USA INC
    7× · 2017–2024 · $29k · revenue +98%

Funded once

  • NV
    NAPA VALLEY COOMUNITY FOUNDATION
    one grant, 2017 · $25k
  • IG
    Individual grant recipient
    one grant, 2020 · $15k
  • TA
    THE AUDOBON SOCIETY
    one grant, 2020 · $5k
How this is measured

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

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Global Animal Partnership
Animals
2
Society for the Prevention of Cruelty to Animals for Monterey County

The SPCA Monterey County's Mission is assuring compassionate treatment of all animals through rescue, rehabilitation, protection and education. The SPCA shelters homeless, neglected, and abused pets, including dogs, cats, horses, exotic…

Animals
3
Nonhuman Rights Project Inc

The Nonhuman Rights Project (NhRP) is the only civil rights organization in The United States dedicated solely to securing fundamental rights for nonhuman animals and the leading force in building a national and global nonhuman rights…

Animals
4
Humane Farm Animal Care

Every farmer and rancher participating in the Certified Humane program had to modify their operations to meet the Animal Care Standards and be certified. Schedule O

Animals
5
Humane World for Animals Inc

Humane World for Animals, Inc., formerly known as the Humane Society of the United States (The Organization), seeks to tackle the root causes of animal cruelty and suffering. CONTINUED ON SCHEDULE O

Animals
6
People for the Ethical Treatment of Animals Inc

Protection of animal rights

Animals
7
World Vets

To improve the health & well-being of animals through veterinary aid, response, training, research & local capacity building worldwide. We provide services to companion animals, horses, street dogs, livestock and marine animals including…

Animals
8
Animal Protection New Mexico

To protect animals by creating systemic change resulting in the humane treatment of all animals. we create policies, infrastructure, and services that protect animals and strengthen our communities, and we design and implement humane and…

Animals
9
The San Francisco Society for the Prevention of Cruelty to Animals

To ensure every companion animal has access to quality medical care, compassionate shelter, and a loving home.

Animals
10
Animal Outlook Inc

Animal outlook is a national animal protection organization working to end the abuse of farmed animals using a variety of strategies, including investigations, legal advocacy, corporate and food system reform, and vegan outreach.

Animals
11
Planned Parenthood Shasta-Diablo Inc

Planned Parenthood Northern California generates healthier communities through the delivery of quality sexual and reproductive health care services.

Health
12
United Animal Nations Dba Redrover

To bring animals out of crisis and strengthen the bond between people and animals through emergency sheltering, disaster relief services, financial assistance and education. redrover accomplishes its mission by engaging volunteers and…

—
How this is measured
The grantee most central to the portfolio’s shape is North Valley Community Foundation; the most unlike its peers is Humane World for Animals International. 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

28 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 28 of the 43 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
5
Early backer (in before they grew)
28/28
Grantees still filing
17/28
Grew since first funded

Where the money sits, by cause and then by grantee

THE RESOURCE FOUNDATION INC: $180,600 · OtherTHE RESOURCE FOUNDATION INCWILDLIFE RESCUE OF NAPA VALLEY: $120,000 · OtherWILDLIFE RESCUE OF NAPA VALLEYMUTTVILLE SENIOR DOG RESCUE: $25,000 · OtherMUTTVILLE SENIOR DOG RESCUENAPA VALLEY COOMUNITY FOUNDATION: $25,000 · OtherNAPA VALLEY COOMUNITY FOUNDATIONIndividual grant recipient: $15,000 · Other+16 more: $58,500 · Other+16 moreSUNRISE HORSE RESCUE: $107,500 · AnimalsSUNRISE HORSE RESCUEVENTANA WILDLIFE SOCIETY: $50,000 · AnimalsVENTANA WILDLIFE SOCIETYNAPA COMMUNITY ANIMAL RESPONSE TEAM: $18,000 · AnimalsNAPA COMMUNITY ANIMAL RESPONSE…NATIVE SONGBIRD CARE & CONSERVATION: $10,000 · AnimalsTHE HUMANE LEAGUE: $8,000 · Animals+4 more: $6,000 · AnimalsPLANNED PARENTHOOD FEDERATION OF AMERICA INC: $17,000 · HealthPARTNERS IN HEALTH A NONPROFIT CORPORATION: $7,500 · HealthPuertas Abiertas Community Resource Center: $4,000 · HealthJTP PROFESSIONAL SERVICE CORPORATION: $4,000 · HealthABORTION CARE NETWORK: $4,000 · HealthMEDECINS SANS FRONTIERES USA INC: $28,500 · InternationalCOMMUNITY FOUNDATION OF THE NAPA VALLEY: $20,000 · PhilanthropyNORTH VALLEY COMMUNITY FOUNDATION: $2,000 · PhilanthropySIERRA CLUB FOUNDATION: $8,500 · EnvironmentENVIRONMENTAL DEFENSE FUND INCORPORATED: $5,000 · EnvironmentCOMMUNITY ACTION OF NAPA VALLEY: $8,000 · Human ServicesVINE VILLAGE INC: $5,000 · Human ServicesMOLLYS ANGELS: $500 · Human Services
Other$424,100Animals$199,500Health$36,500International$28,500Philanthropy$22,000Environment$13,500Human Services$13,500

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetTHE RESOURCE FOUNDATION INC: $180,600 over 7y, 1.8% of budgetSUNRISE HORSE RESCUE: $107,500 over 6y, 11% of budgetVENTANA WILDLIFE SOCIETY: $50,000 over 7y, 0.5% of budgetMEDECINS SANS FRONTIERES USA INC: $28,500 over 7y, 0.0% of budgetCOMMUNITY FOUNDATION OF THE NAPA VALLEY: $20,000 over 2y, 0.1% of budgetNAPA COMMUNITY ANIMAL RESPONSE TEAM: $18,000 over 6y, 6.5% of budgetPLANNED PARENTHOOD FEDERATION OF AMERICA INC: $17,000 over 4y, 0.0% of budgetNATIONAL CENTER FOR LGBTQ RIGHTS FKA NATIONAL CENTER FOR LESBIAN RIGHTS: $10,000 over 2y, 0.1% of budgetHUMAN RIGHTS CAMPAIGN INC: $10,000 over 2y, 0.0% of budgetNATIVE SONGBIRD CARE & CONSERVATION: $10,000 over 2y, 10% of budgetSIERRA CLUB FOUNDATION: $8,500 over 6y, 0.0% of budgetTHE HUMANE LEAGUE: $8,000 over 2y, 0.0% of budgetCOMMUNITY ACTION OF NAPA VALLEY: $8,000 over 2y, 0.1% of budgetTHE GOOD FOOD INSTITUTE INC: $8,000 over 2y, 0.0% of budgetPARTNERS IN HEALTH A NONPROFIT CORPORATION: $7,500 over 5y, 0.0% of budgetENVIRONMENTAL DEFENSE FUND INCORPORATED: $5,000 over 5y, 0.0% of budgetVINE VILLAGE INC: $5,000 over 1y, 0.4% of budgetPuertas Abiertas Community Resource Center: $4,000 over 3y, 0.3% of budgetJTP PROFESSIONAL SERVICE CORPORATION: $4,000 over 2y, 0.1% of budgetABORTION CARE NETWORK: $4,000 over 2y, 0.0% of budgetFeeding America: $3,500 over 4y, 0.0% of budgetNORTH VALLEY ANIMAL DISASTER GROUP: $2,000 over 1y, 0.2% of budgetJameson Animal Rescue Ranch: $2,000 over 1y, 0.2% of budgetNORTH VALLEY COMMUNITY FOUNDATION: $2,000 over 1y, 0.0% of budgetWIMBERLEY ADOPTION GROUP AND RESCUE CORPORATION: $1,000 over 1y, 0.1% of budgetHumane World for Animals International: $1,000 over 1y, 0.0% of budgetRepairers of the Breach: $500 over 1y, 0.0% of budgetMOLLYS ANGELS: $500 over 1y, 0.1% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Marin Community Found…Peter a & Vernice H G…Community Foundation …Silicon Valley Commun…Network for GoodNational Philanthropi…American Online Givin…American Endowment Fo…Morgan Stanley Global…Donor Advised Charita…Vanguard Charitable E…Fidelity Investments …
Marin Community FoundationCA16.7× affinity6 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Marin Community Foundation · Peter a & Vernice H Gasser Foundation · Community Foundation of the Napa Valley · Silicon Valley Community Foundation · Network for Good · National Philanthropic Trust · American Online Giving Foundation Inc · American Endowment Foundation · Morgan Stanley Global Impact Funding Trust Inc · Donor Advised Charitable Giving Inc · Vanguard Charitable Endowment Program · Fidelity Investments Charitable Gift Fund

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization The May Foundation Trust funds: left to right is the share of its income from government, bottom to top the share from The May Foundation Trust. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 10%1%4%8%15%funder's share of their income ↑0%13%25%38%50%share of the org’s income from government →median 0%
  • Partners in Health a Nonprofit Corporation: 0% of income from government
no gov moneyreceives it· size = income
1get no government money at all
6report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–50%
typical government reliance, FY20–25
How this is measured
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 a grant caused the public funding. Coverage is precision-first, a floor rather than 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 to 24 months.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The May Foundation Trust?

Find your warmest path to The May Foundation Trust through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 43 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its 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.

Generated from the IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

Play a game based on May’s filings →

More from the funding graph

The unnamed billions
grants reported with no recipient in the public record
The regranting layer
51% of grant dollars land in the regranting layer
The DAF merry-go-round
$9.7B circulates between donor-advised funds
The endowment market
who holds foundation money, and what just moved
The camps
funders cluster by geography, not ideology
By state
where grant money is based, and what stays home