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· Public charity
NCAC raises funds and awareness to support organizations in Northern California to end the HIV/AIDS pandemic and care for those living with and affected by HIV/AIDS.
By grantee IRS cause code (NTEE).
A cause breakdown isn’t shown here: 49% of Norcal AIDS Challenge’s grantee dollars go to organizations outside the IRS cause taxonomy (common for large international and research funders), so a chart would be mostly “unclassified” and misrepresent the portfolio.
Your grants by size, and where they go.
By grant size · FY2025
Each grant placed by the hardship in its grantee’s ZIP, then read against the area’s typical level.
Your human-services grants (FY18–25, $105k) land where the poverty rate runs at 14% — the area typically sits at 10%. 100% of those dollars reach neighborhoods with above-average need. 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 line in 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, United Way ALICE — shown as context about the area, never attributed to your giving.
Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.
13 repeat relationships — 8 still active in FY2025, 5 since wound down.
How the two cohorts compare
Organizations
Total granted
Still filing today
New vs renewed · share of each year
In FY2025, 100% of grant dollars renewed an existing relationship; $0 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.
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.
We provide healthcare and health management services in the Oakland, California Bay Area. We seek to recognize, empathize, and correctly respond to clients? individual needs both medically and psychosocially. Everyone in our care is…
Health Care for All is the heart of the Oakland-based grassroots organization Street Level Health Project Street Level. Incorporated in 2001, Street Level is a critical entry point into the healthcare and social service system for those…
We provide affordable, high-quality medical, behavioral health & support services for all.
The Center works to create a region where all LGBTQ+ people thrive; we support health and wellness,advocate for equity and justice, and work to uplift our diverse and culturally rich LGBTQ+ community.
Stop the spread of HIV/AIDS and eliminate health disparities in the City and County of San Francisco's Black and marginalized communities by providing health and wellness services, including, but not limited to health education, case…
Sun health services supports and benefits sun health foundation, sun health senior living, banner health, and other charitable organizations. see schedule o for more information.
To provide affordable housing and supportive services to people experiencing homelessness, the frail elderly, and other vulnerable populations.
Harm Reduction Coalition of Santa Cruz County operates a state-authorized Syringe Service Program. This program distributes complimentary syringes, sharps containers, wound care items, etc. to low-income and homeless individuals in our…
Healthy Community Forum for the Greater Sacramento Region operates under the name Community HealthWorks (formally Sacramento Covered), a not-for-profit philanthropic organization, is an innovative leader in developing and implementing a…
The Santa Rosa Community Health Centers are dedicated to providing excellent, comprehensive primary health care, prevention, and health education for people who are uninsured and underinsured in Santa Rosa, regardless of ability to pay.
Rainbow health works for equitable health care access and outcomes for people who experience injustice at the intersection of health status and identity. we center people and communities at risk of and living with hiv or facing barriers to…
For reference, the grantee most central to the portfolio’s shape is Gender Health Center and the most unlike its peers is Harm Reduction Services Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue.
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
A decade per grantee — revenue shaded, your grants as bars, all rows on one timeline.
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: Cares Foundation · Network for Good · Fidelity Investments Charitable Gift Fund · 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.
Every dot is one organisation Norcal AIDS Challenge 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.
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. 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.
Through Plinth
This dossier was generated cold from public filings. In Plinth it’s a working system — every applicant assessed and every grant monitored. Here’s a taste, run on one of your grantees: Golden Rule Services.
Agentic due diligence · confidence × risk
~3 months of operating runway; revenue grew over 6 filed years.
6 years of Form 990 filings, still active; revenue up 2.4× since.
US 501(c)(3); EIN 680476030 on file with current IRS Form 990 filings.
Board composition & governance documents — verified live in Plinth from the applicant.
OFAC / UN sanctions screening — run live in Plinth at assessment.
Staffing, M&E and activity alignment — assessed live in Plinth from submitted proposals.
Live · Plinth’s real DD engine
Run the actual assessment on Golden Rule Services, cold from public data.
Generated live from public IRS filings + open web sources by Plinth’s agentic engine. Shown as an illustration of the product, not a formal assessment.
Post-award monitoring · continuous checks
What you see here is static and public. In Plinth it’s operational — the full six-pillar framework on every applicant (with their own documents + live registry and sanctions checks), monitoring dashboards on every award, custom board reports, and eligibility routing for intake.
Preview generated from this grantee’s public IRS filings and independent reporting. Pillars marked “live in Plinth” require the applicant’s submitted documents. Shown as illustration, not a formal assessment.
Warm introductions · Powered by PlinthPro
Find your warmest path to Norcal AIDS Challenge through people who sit on both boards. Search for your organization and Plinth traces the introduction across shared trustees and officers.
Every link is a documented governance overlap in public IRS 990 filings — not a personal network — and each hop carries its own confidence tier. Low-confidence or distant paths are held back rather than guessed.