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Plinth

· Private foundation

Leo a & Minta L Brisco Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$148k
Granted FY2025still arriving
14
Grants FY2025still arriving
1
States reached
$15k
Largest
01What you fund
01100% classified

What you funded, over time

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

Arts & Culture$440kFood & Nutrition$215kEducation$130kReligion$95kEnvironment$90kPublic Benefit$87kRecreation & Sports$52kCrime & Legal$45kOther$0
02FY2025 · 14 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k2 grants · $13k
  • $10k–50k12 grants · $135k
$10,000
Median grant
1
States reached
$2.2M
Total assets
Largest grants
RecipientAmount
FOUNDATION FOR PERFORMING ARTS SLO$15,000
SOUTH COUNTY HISTORIAL SOCIETY$15,000
FIVE CITIES CHRISTIAN WOMEN$15,000
THE LAND CONSERVANCY OF SLO CO$10,000
CENTRAL COAST VETERANS MEMORIAL$10,000
RANCHO NIPOMO DANA ADOBE$10,000
SLO FOOD BANK$10,000
ARROYO GRANDE SPORTSMAN'S CLUB$10,000
FRIENDS OF PRICE HOUSE$10,000
PARTNERS OF AG FFA$10,000
AMERICAN LEGION POST 136$10,000
PORT SAN LUIS LIGHT HOUSE$10,000
PACIFIC LEGAL FOUNDATION$8,000
COLAB FOUNDATION$5,000
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 12%, against an area that typically sits at 11%. 100% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 11%PORT SAN LUIS LIGHT HOUSE: $10k → 12%PACIFIC LEGAL FOUNDATION: $8k → 12%PORT SAN LUIS LIGHT HOUSE: $10k → 12%PACIFIC LEGAL FOUNDATION: $6k → 12%PORT SAN LUIS LIGHT HOUSE: $10k → 12%PACIFIC LEGAL FOUNDATION: $6k → 12%PORT SAN LUIS LIGHT HOUSE: $10k → 12%CHURCH OF JESUS CHRIST LDS: $20k → 12%CHURCH OF JESUS CHRIST-LATTER DAY S: $20k → 12%CHURCH OF JESUS CHRIST LDS: $20k → 12%CHURCH OF JESUS CHRIST LDS: $20k → 12%CHURCH OF JESUS CHRIST LDS: $15k → 12%FOUNDATION FOR PERFORMING ARTS SLO: $15k → 12%SLO FOOD BANK: $10k → 12%CENTRAL COAST VETERANS MEMORIAL: $10k → 12%SLO FOOD BANK: $10k → 12%FOUNDATION FOR PERFORMING ARTS SLO: $10k → 12%FOUNDATION FOR PERFORMING ARTS SLO: $10k → 12%SLO FOOD BANK: $10k → 12%CENTRAL COAST VETERANS MEMORIAL: $10k → 12%CENTRAL COAST VETERANS MEMORIAL: $10k → 12%CENTRAL COAST VETERANS MEMORIAL: $10k → 12%SLO FOOD BANK: $10k → 12%SLO FOOD BANK: $10k → 12%FOUNDATION FOR PERFORMING ARTS SLO: $10k → 12%SLO FOOD BANK: $10k → 12%RANCHO NIPOMO DANA ADOBE: $10k → 12%RANCHO NIPOMO DANA ADOBE: $10k → 12%RANCHO NIPOMO DANA ADOBE: $10k → 12%RANCHO NIPOMO DANA ADOBE: $10k → 12%RANCHO NIPOMO DANA ADOBE: $7k → 12%RANCHO NIPOMO DANA ADOBE: $7k → 12%AG HIGH SCHOOL SCHOLARSHP: $40k → 12%AG HIGH SCHOOL SCHOLARSHP: $20k → 12%SOUTH COUNTY HISTORIAL SOCIETY: $20k → 12%SOUTH COUNTY HISTORIAL SOCIETY: $20k → 12%AG HIGH SCHOOL SCHOLARSHP: $20k → 12%AG HIGH SCHOOL SCHOLARSHP: $20k → 12%AG HIGH SCHOOL SCHOLARSHP: $20k → 12%SOUTH COUNTY HISTORIAL SOCIETY: $15k → 12%SOUTH COUNTY HISTORIAL SOCIETY: $15k → 12%SOUTH COUNTY HISTORIAL SOCIETY: $15k → 12%AMERICAN LEGION POST 136: $10k → 12%PARTNERS OF AG FFA: $10k → 12%AMERICAN LEGION POST 136: $10k → 12%AMERICAN LEGION POST 136: $10k → 12%PARTNERS OF AG FFA: $10k → 12%AMERICAN LEGION POST 136: $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.
$1.2M · 20 repeat orgs$28k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +17% since the first grant, against -48% for the ones you funded once.

20 repeat relationships — 14 still active in FY2025, 6 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

20
3

Total granted

$1.2M
$28k

Median revenue growth · since first grant

+17%
-48%

Still filing today

35%
0%

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
Human ServicesArts & CulturePublic BenefitCrime & LegalEnvironmentFood & NutritionOther

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

  • FC
    FIVE CITIES CHRISTIAN WOMEN
    9× · 2017–2025 · $100k · revenue +29%
  • AL
    AMERICAN LEGION POST 136
    6× · 2017–2025 · $50k · revenue +8%
  • PL
    Pacific Legal Foundation
    8× · 2018–2025 · $45k · revenue +136%

Funded once

  • CO
    CHURCH OF JESUS CHRIST-LATTER DAY S
    one grant, 2021 · $20k
  • AG
    ARROYO GRANDE IN BLOOM INC
    one grant, 2018 · $6k · revenue -48%
  • YL
    YOUTH LEGACY FOUNDATION
    one grant, 2019 · $2k

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
Peninsula Open Space Trust

Post protects open space on the peninsula and in the south bay for the benefit of all. post is creating a network of protected lands where people and nature connect and thrive. these lands are preserved forever so present and future…

Environment
2
Impact of Southern Arizona

Impact of southern arizona is a private non-profit volunteer based organization which empowers southern arizonans with the resources required to pursue a stabilized and enhanced quality of life.

Community Improvement
3
Coastal Roots Farm

Coastal roots farm cultivates healthy, connected communities by integrating sustainable agriculture, food justice, and ancient jewish wisdom.

4
Second Harvest of Silicon Valley

To realize our vision of a hunger free community we will provide more food, healthy food and better access to food. we will leverage our own resources and also work with partners in the community.

Food & Nutrition
5
Arizona-Sonora Desert Museum

We inspire people to live in harmony with the natural world by fostering love, appreciation, and understanding of the sonoran desert.

Arts & Culture
6
Coastal Bend Bays & Estuaries Program Inc

Coastal bend bays & estuaries program is dedicated to protecting and restoring bays and estuaries of the texas coastal bend. coastal bend bays and estuaries remain a vital part of the environmental and economic landscape by preserving and…

Environment
7
San Francisco Food Bank

To end hunger in san francisco and marin counties by soliciting food donations nationally, distributing this food to qualifying public service agencies and neighborhood pantries, advocating for improved government food programs, and…

8
Sonoma Botanical Garden
9
The National World War Ii Museum Inc

The national wwii museum tells the story of the american experience in the war that changed the world-why it was fought, how it was won, and what it means today-so that all generations will understand the price of freedom and be inspired…

Arts & Culture
10
Coalition to Restore Coastal Louisiana

The mission of the coalition to restore coastal louisiana (crcl) is to unite people in action to achieve a thriving, sustainable louisiana coast for all.

Environment
11
The Food Depot

The food depot fosters healthy communities by engaging a network of partners and developing solutions to create a hunger-free new mexico.

Human Services
12
Victory Mission

To operate and maintain a rescue mission at Salinas, California provide Job training

Human Services

For reference, the grantee most central to the portfolio’s shape is Food Bank Coalition of San Luis Obispo County and the most unlike its peers is Five Cities Christian Women. 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

8 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. 8 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)
2
Early backer (in before they grew)
7/8
Grantees still filing
5/8
Grew since you first funded

Where your money sits — by cause, then by grantee

AG HIGH SCHOOL SCHOLARSHP — $120,000 · OtherAG HIGH SCHOOL SCHOLARSHPSOUTH COUNTY HISTORIAL SOCIETY — $105,000 · OtherSOUTH COUNTY HISTORIAL SOCIETYFIVE CITIES CHRISTIAN WOMEN — $100,000 · OtherFIVE CITIES CHRISTIAN WOMENTHE LAND CONSERVANCY OF SLO CO — $83,749 · OtherTHE LAND CONSERVANCY OF SLO COCHURCH OF JESUS CHRIST LDS — $75,000 · OtherCHURCH OF JESUS CHRIST LDSFOUNDATION FOR PERFORMING ARTS SLO — $70,000 · OtherFOUNDATION FOR PERFORMING ARTS SLOFRIENDS OF PRICE HOUSE — $69,000 · OtherFRIENDS OF PRICE HOUSEPORT SAN LUIS LIGHT HOUSE — $65,000 · OtherPORT SAN LUIS LIGHT HOUSERANCHO NIPOMO DANA ADOBE — $64,000 · OtherRANCHO NIPOMO DANA ADOBEPARTNERS OF AG FFA — $55,000 · OtherPARTNERS OF AG FFAARROYO GRANDE SPORTSMAN'S CLUB — $52,000 · OtherARROYO GRANDE SPORTSMAN'S CLUB+5 more — $49,000 · Other+5 moreCENTRAL COAST VETERANS MEMORIAL MUSEUM — $67,000 · Arts & CultureFOOD BANK COALITION OF SAN LUIS OBISPO COUNTY — $60,000 · Food & NutritionTHE COLAB FOUNDATION — $37,000 · Human ServicesFRIENDS OF CAMP NATOMA INC — $17,000 · Human ServicesAMERICAN LEGION POST 136 — $50,000 · Public BenefitPacific Legal Foundation — $45,000 · Crime & LegalARROYO GRANDE IN BLOOM INC — $6,000 · Environment
Other$907,749Arts & Culture$67,000Food & Nutrition$60,000Human Services$54,000Public Benefit$50,000Crime & Legal$45,000Environment$6,000

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

25%50%75%100%$100k$1.0M$10Mgrantee revenue →↑ your share of their budgetFIVE CITIES CHRISTIAN WOMEN — $100,000 over 9y, 23% of budgetCENTRAL COAST VETERANS MEMORIAL MUSEUM — $67,000 over 9y, 18% of budgetFOOD BANK COALITION OF SAN LUIS OBISPO COUNTY — $60,000 over 6y, 0.2% of budgetAMERICAN LEGION POST 136 — $50,000 over 6y, 16% of budgetPacific Legal Foundation — $45,000 over 8y, 0.0% of budgetTHE COLAB FOUNDATION — $37,000 over 7y, 7.8% of budgetFRIENDS OF CAMP NATOMA INC — $17,000 over 4y, 3.7% of budgetARROYO GRANDE IN BLOOM INC — $6,000 over 1y, 13% 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 FIVE CITIES CHRISTIAN WOMEN
  • Who funds CENTRAL COAST VETERANS MEMORIAL MUSEUM
  • Who funds FOOD BANK COALITION OF SAN LUIS OBISPO COUNTY
  • Who funds AMERICAN LEGION POST 136
  • Who funds Pacific Legal Foundation
  • Who funds THE COLAB FOUNDATION
  • Who funds FRIENDS OF CAMP NATOMA INC
  • Who funds ARROYO GRANDE IN BLOOM 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.

Mankins Family FoundationCA13.6× affinity4 shared granteesties to 1 of 1Hover any node to trace its alignments.Compare side by side →

Open a dossier: Mankins Family Foundation · 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 Leo a & Minta L Brisco 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 or a single department — and drag the year to watch it move.

2024
202122232425
no gov · 00%2%6%14%25%your share of their income ↑0%1%3%4%5%share of the org’s income from government
    no gov moneyreceives it· size = income
    0get 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 · 0–5%
    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