· Private foundation
Creekside Foundation
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.
What you funded, over time
Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2017–2024.
Where the money goes
Your grants by size, and where they go.
By grant size · FY2024
- Under $10k7 grants · $27k
- $10k–50k4 grants · $75k
- $50k–250k6 grants · $415k
- $250k+2 grants · $1.4M
| Recipient | Amount |
|---|---|
| WESLEYAN UNIVERSITY | $900,000 |
| CRYSTAL SPRINGS UPLANDS SCHOOL | $500,000 |
| LUCILE PACKARD FOUNDATION FOR CHILDREN'S HEALTH | $100,000 |
| LUCILE PACKARD FOUNDATION FOR CHILDREN'S HEALTH | $100,000 |
| CRYSTAL SPRINGS UPLANDS SCHOOL | $65,000 |
| LUCILE PACKARD FOUNDATION FOR CHILDREN'S HEALTH | $50,000 |
| WESLEYAN UNIVERSITY | $50,000 |
| WESLEYAN UNIVERSITY | $50,000 |
| THE ONE LOVE FOUNDATION | $25,000 |
| WESLEYAN UNIVERSITY | $25,000 |
| KUKIO HOOMANA FUND | $15,000 |
| PENINSULA BRIDGE PROGRAM | $10,000 |
| CRYSTAL SPRINGS UPLANDS SCHOOL | $5,000 |
| BATES COLLEGE | $5,000 |
| THE CAREY SCHOOL | $5,000 |
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.
Dollar for dollar, your grants (FY17–24) land where the poverty rate runs at 7%, against an area that typically sits at 7%. 68% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.
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.
Which US states your grants reach
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.
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.
And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +40% since the first grant, against +25% for the ones you funded once.
15 repeat relationships — 10 still active in FY2024, 5 since wound down; 2 grantees were first funded in FY2024 (too recent to call).
How the two cohorts compare
Organizations
Total granted
Median revenue growth · since first grant
Still filing today
New vs renewed · share of each year
In FY2024, 99% of grant dollars renewed an existing relationship; $20k went to new ones.
Where new relationships form · theme of each grantee’s first grant
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
- CSCRYSTAL SPRINGS UPLANDS SCHOOL8× · 2017–2024 · $4.3M · revenue +138%
- WUWESLEYAN UNIVERSITY8× · 2017–2024 · $2.8M · revenue +40%
- LPLUCILE PACKARD FOUNDATION FOR CHILDREN'S HEALTH7× · 2018–2024 · $700k · revenue +19%
Funded once
- TWTHERE WITH CAREone grant, 2018 · $11k
- CSCONSERVATION SOCIETY OF CALIFORNIAgraduatedone grant, 2018 · $5k · revenue +25%
- KIKQED INCone grant, 2022 · $1k · revenue -1%
Repeat = funded in two or more distinct years; growth and survival are read from each grantee’s own subsequent IRS filings.
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.
Guided by the principles of academic rigor and diversity, the international school of san francisco offers programs of study in french and english to prepare its graduates for a world in which the ability to think critically and to…
At san francisco friends school, students learn in a community grounded in the quaker values of reflection, integrity, peaceful problem-solving and stewardship. our teachers challenge students with a dynamic curriculum that inspires…
A private school that cultivates and celebrates the intellectual, imaginative, and humanitarian promise of each student in a community that practices mutual respect, embraces diversity, and inspires passion for learning.
The peak school seeks to ignite a passion for learning, to develop students of diverse talents and backgrounds who think critically and act with integrity, and to graduate compassionate, confident, capable students who will embrace their…
Presidio hill school is a co-ed k-8 independent, progressive school. learning is collaborative and an active experience with an emphasis on inquiry. students are engaged in their own learning and guided by an expert faculty through a…
To create transformative learning experiences that empower a diverse community of students to lead lives of intellectual curiosity, personal integrity, and compassionate contribution to a more just world.
Crossroads is an independent school for approximately 1,200 students.
Sonoma charter school seeks to achieve academic excellence through engaged learning in a setting that involves students, teachers, and parents.
Innovative and full of heart, mark day school nurtures each child to pursue their curiosity, think critically, embrace challenge with courage and joy, and work in partnership with others to build more caring and inclusive communities.
The institution provides educational instruction and activities to students ranging from preschool through 8th grade.
We take a joyful, community-oriented approach to raising engaged citizens, deep learners, and brave adventurers with the skills, creativity, and heart needed to better the world.
Hillbrook provides an extraordinary educational experience that fosters a love of learning in our students and helps them to develop the knowledge, skills and confidence to achieve their highest individual potential in school and in life.…
For reference, the grantee most central to the portfolio’s shape is The Carey School and the most unlike its peers is Conservation Society of California. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
19 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 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 19 of the 20 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.
Where your money sits — by cause, then by grantee
Each org by its size and your share of it — top-left is where you’re load-bearing
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 CRYSTAL SPRINGS UPLANDS SCHOOL ↗
- Who funds WESLEYAN UNIVERSITY ↗
- Who funds LUCILE PACKARD FOUNDATION FOR CHILDREN'S HEALTH ↗
- Who funds The Thacher School Inc ↗
- Who funds THE CAREY SCHOOL ↗
- Who funds THE PENINSULA BRIDGE PROGRAM ↗
- Who funds PRESIDENT AND TRUSTEES OF BATES COLLEGE ↗
- Who funds THE ONE LOVE FOUNDATION IN HONOR OF YEARDLEY LOVE INC ↗
- Who funds FIREHAWKS LACROSSE CLUB ↗
- Who funds FOUR WINDS ↗
- Who funds THE PHILLIPS BROOKS SCHOOL ↗
- Who funds KUKIO HOOMANA FUND ↗
- Who funds THERE WITH CARE OF THE BAY AREA ↗
- Who funds ST LUKE'S WOOD RIVER FOUNDATION INC ↗
- Who funds CONSERVATION SOCIETY OF CALIFORNIA ↗
- Who funds MOUNT TAMALPAIS SCHOOL ↗
- Who funds WOOD RIVER TRAILS COALITION INC ↗
- Who funds SILVER CREEK ALLIANCE INC ↗
- Who funds KQED 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.
Open a dossier: Gs Donor Advised Philanthropy Fund for Wealth Management Inc · National Philanthropic Trust · Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma · The San Francisco Foundation · American Endowment Foundation · Morgan Stanley Global Impact Funding Trust Inc · The Ayco Charitable Foundation · Silicon Valley Community Foundation · Vanguard Charitable Endowment Program · American Online Giving Foundation Inc · Donor Advised Charitable Giving Inc · The Bank of America Charitable Foundation Inc
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 Creekside 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.
- Wesleyan University — 1% of income from government
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.
Warm introductions · Powered by PlinthPlus
How do I get to Creekside Foundation?
Find your warmest path to Creekside Foundation 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.