California · Nonprofit
Californians to Defend the Open Primary
Californians to Defend the Open Primary (California) receives grants from 2 organizations whose IRS filings report $160,000 to it, the largest being CNC FOUNDATION ($150,000). 0 of them have funded it in more than one year.
- Revenue FY2023
- $0
- Funders on record
- 2
- Grants received
- $160k
- Net assets
- $0
What Californians to Defend the Open Primary does
Mission
To educate the public about and to defend the open, nonpartisan primary election laws in California.
As stated on its FY2023 Form 990-EZ.
Program
Defend against legal and legislative challenges to constitutionality of Proposition 14 (California's Top-Two Open Primary law adopted on the June 2010 statewide ballot) after it was adopted.
$66,520 spent100% of program spending
The program described on its FY2025 Form 990. Program spending in total: $66,520.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets at each year end, in dollars. The largest one-year move in total assets was 2017 to 2018, from $18k to $947 (−95%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
100% of Californians to Defend the Open Primary’s revenue is contributions — more reliant on donations than three-quarters of its peers (97% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 3 of the last 4 reported years ran a deficit.
Who funds it, year by year
Grant support over time, funder by funder — shade shows the grant size each year.
From the IRS filings of Californians to Defend the Open Primary’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
Californians to Defend the Open Primary leans on a few funders — its largest provides 94% of grant income and the top three 100%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
100% of Californians to Defend the Open Primary's grant income comes from California funders.
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
Californians to Defend the Open Primary's revenue fell 100% between 2017 and 2023.
this organization peer median middle 50% of peers· 3,066 public benefit nonprofits under $100k, FY2023
Organizations like Californians to Defend the Open Primary
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In California
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for Californians to Defend the Open Primary: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds Californians to Defend the Open Primary?
- Californians to Defend the Open Primary (California) receives grants from 2 organizations whose IRS filings report $160,000 to it, the largest being CNC FOUNDATION ($150,000). 0 of them have funded it in more than one year.
- How many funders does Californians to Defend the Open Primary have?
- IRS filings report 2 organizations giving $160,000 in grants to Californians to Defend the Open Primary.
- Who is the largest funder of Californians to Defend the Open Primary?
- CNC FOUNDATION is the largest funder on record, with $150,000 in grants. The full list of funders is on this page.
- How can an organization like Californians to Defend the Open Primary find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in California. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Californians to Defend the Open Primary →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2023 (financials across 2017–2023), and the filings of 2 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing