Skip to content
The Arrebak Foundation at a glance

· Private foundation

The Arrebak 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.

$33k
Granted FY2025still arriving
9
Grants FY2025still arriving
3
States reached
$19k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
01What it funds
0197% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2019 to 2025.

Education$65kHousing & Shelter$60kReligion$17kCommunity Improvement$6kPhilanthropy$1kPublic Benefit$1kEnvironment$515Youth Development$500Other$0
02FY2025 · 9 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k7 grants · $5k
  • $10k–50k2 grants · $29k
$515
Median grant
3
States reached
$751k
Total assets
Largest grants
RecipientAmount
Piedmont Education Foundation$18,600
Insight Housing$10,000
Governor's Institutes of Vermont$1,030
Abode$1,000
The Piedmont Environmental Council$515
EdSource$512
Alameda County Community Food Bank$500
The Oakland Reach$500
Individual grant recipient$500
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 (FY21–25, $56k) land where the poverty rate runs at 10%, against an area that typically sits at 7%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 7%Insight Housing: $25k → 10%Insight Housing: $10k → 10%Insight Housing: $10k → 10%Berkeley Food Housing Project: $10k → 10%Berkeley Food Housing Project: $1k → 10%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.
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.

95%of every dollar goes to organizations it has funded before.
$145k · 8 repeat orgs$8k to everyone else

Grantees it renews have grown median revenue +17% since the first grant, against -32% for those funded once.

8 repeat relationships: 6 still active in FY2025, 2 since wound down; 3 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

8
6

Total granted

$145k
$6k

Median revenue growth · since first grant

+17%
-32%

Still filing today

88%
50%

New vs renewed · share of each year

In FY2025, 95% of grant dollars renewed an existing relationship; $2k went to new ones.

50%100%’19’21’22’23’24’25
RenewedFirst-time

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

’19’21’22’23’24’25
EducationHuman ServicesCommunity ImprovementHousing & ShelterEnvironmentOther
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

  • IH
    Insight Housing FKA Berkeley Food and Housing Project
    4× · 2021–2025 · $56k · revenue +60%
  • PE
    PIEDMONT EDUCATION FOUNDATION
    3× · 2023–2025 · $55k · revenue +11%
  • EB
    EAST BAY ASIAN LOCAL DEVELOPMENT CORPORATION
    2× · 2021–2023 · $6k · revenue +38%

Funded once

  • OL
    Oakland Literacy Coalition Incgraduated
    one grant, 2023 · $2k · revenue +66%
  • EH
    Eden Housing
    one grant, 2021 · $1k
  • NF
    Neighborhood Funders Group
    one grant, 2021 · $1k · revenue -32%
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
Oakland Kids First

The mission of Oakland Kids First is to increase youth voice, leadership and power to create engaging and equitable public schools where all students learn and lead.

Youth Development
2
Oakland Fund for Public Innovation

The Oakland Fund reaches across the city, engaging private partners to innovate, test and scale ideas that enhance Oakland. The Fund strives to improve the prosperity, safety and quality of life for all Oaklanders with projects that: build…

Community Improvement
3
Alameda Education Foundation

AEF serves as a critical bridge toward equitable and inclusive educational outcomes for Alameda TK-12 public school students.

—
4
East Bay Housing Organizations

East Bay Housing Organizations (EBHO) is a member-driven organization working to create, preserve, and protect affordable housing opportunities for low-income communities by advocating, organizing, educating, and building coalitions. EBHO…

Housing & Shelter
5
Jobs with Justice San Francisco

A long-term, strategic alliance of labor, community, faith-based, and student organizations working together to build greater economic power for workers and community members through employee rights at work and access to good jobs,…

Employment
6
Lead Liberated

Through coaching and group facilitation, leaders of color heal from racism, develop skills to identify & interrupt racism in personal leadership, organizational practices & policies, and produce antiracist solutions in partnership with…

Education
7
The Oakland Public Education Fund

The oakland public education fund leads the development and investment of community resources in oakland public schools so that all students can learn, grow, and thrive.

Education
8
Unitedly

Unitedly is a nonprofit organization based in San Mateo County, California. Unitedly was established to ensure Asian families and communities have access to equitable opportunities and resources to thrive in the San Francisco Bay Area.

Human Services
9
East Bay Alliance for a Sustainable Economy

Ebase advances economic, racial and social justice by building a just economy in the east bay on good jobs and healthy communities. we address the root causes of economic injustice by developing strategic alliances amount community, faith…

Public Benefit
10
East Bay Agency for Children

For more than 70 years, East Bay Agency for Children continues to improve the well-being of children, youth and families by reducing the impact of trauma and social inequalities.

Health
11
Go Public Schools

GO Public Schools builds and supports a multi-city network of local coalitions, whose members parents, educators, and community allies work together to expand access to quality education in Californias most historically underserved…

Education
12
Silicon Valley Rising Action

Silicon Valley Rising Action takes on occupational segregation and income inequality with a comprehensive campaign to raise wages, create affordable housing, and build a tech economy that works for everyone.

—
How this is measured
The grantee most central to the portfolio’s shape is Piedmont Education Foundation; the most unlike its peers is Governor's Institutes of Vermont. 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 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. 12 of the 17 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)
2
Early backer (in before they grew)
12/12
Grantees still filing
7/12
Grew since first funded

Where the money sits, by cause and then by grantee

PIEDMONT EDUCATION FOUNDATION: $55,368 · EducationPIEDMONT EDUCATION FOUNDATIONThe Oakland REACH: $2,575 · EducationEDSOURCE INC: $2,097 · Education+2 more: $2,043 · EducationInsight Housing FKA Berkeley Food and Housing Project: $56,000 · Human ServicesInsight Housing FKA Berkeley Food and Hou…Corpus Christi Catholic Church: $17,250 · OtherCorpus Christi Cat…GOVERNOR'S INSTITUTES OF VERMONT: $2,051 · OtherGOVERNOR'S INSTITU…Eden Housing: $1,033 · OtherNeighborhood Funders Group: $1,030 · OtherSwords to Plowshares: $1,000 · OtherSupportFriends of Piedmont Schools: $1,000 · Other+2 more: $1,000 · OtherEAST BAY ASIAN LOCAL DEVELOPMENT CORPORATION: $6,026 · Community ImprovementABODE SERVICES: $3,200 · Housing & ShelterTHE PIEDMONT ENVIRONMENTAL COUNCIL: $515 · Environment
Education$62,083Human Services$56,000Other$24,364Community Improvement$6,026Housing & Shelter$3,200Environment$515

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

25%50%75%100%$10M$100Mgrantee revenue →↑ funder's share of their budgetInsight Housing FKA Berkeley Food and Housing Project: $56,000 over 4y, 0.1% of budgetPIEDMONT EDUCATION FOUNDATION: $55,368 over 3y, 0.4% of budgetEAST BAY ASIAN LOCAL DEVELOPMENT CORPORATION: $6,026 over 2y, 0.0% of budgetABODE SERVICES: $3,200 over 2y, 0.0% of budgetThe Oakland REACH: $2,575 over 3y, 0.3% of budgetEDSOURCE INC: $2,097 over 2y, 0.0% of budgetGOVERNOR'S INSTITUTES OF VERMONT: $2,051 over 2y, 0.1% of budgetOakland Literacy Coalition Inc: $1,543 over 1y, 0.2% of budgetNeighborhood Funders Group: $1,030 over 1y, 0.0% of budgetSQUASHDRIVE: $500 over 1y, 0.1% of budgetALAMEDA COUNTY COMMUNITY FOOD BANK: $500 over 1y, 0.0% 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.

East Bay Community Fo…Tipping Point Communi…The San Francisco Fou…Silicon Valley Commun…Evelyn and Walter Haa…United Way of the Bay…Tides FoundationVanguard Charitable E…Network for GoodNational Philanthropi…American Endowment Fo…Morgan Stanley Global…
East Bay Community FoundationCA17.2× affinity6 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: East Bay Community Foundation · Tipping Point Community · The San Francisco Foundation · Silicon Valley Community Foundation · Evelyn and Walter Haas Jr Fund · United Way of the Bay Area · Tides Foundation · Vanguard Charitable Endowment Program · Network for Good · National Philanthropic Trust · American Endowment Foundation · Morgan Stanley Global Impact Funding Trust Inc

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 Arrebak Foundation funds: left to right is the share of its income from government, bottom to top the share from The Arrebak Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%23%45%68%90%share of the org’s income from government →median 15%
  • Governor's Institutes of Vermont: 15% 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 · 0–90%
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.

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 17 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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

Play a game based on Arrebak’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