California · Nonprofit
WHISKER WARRIORS ANIMAL DEFENSE FUND
WHISKER WARRIORS ANIMAL DEFENSE FUND (California) receives grants from 4 organizations whose IRS filings report $26,808 to it, the largest being THORNTON S JR AND KATRINA D GLIDE FOUNDATION ($17,000). 2 of them have funded it in more than one year.
- Revenue FY2025
- $115k
- Funders on record
- 4
- Grants received
- $27k
- Net assets
- $68k
What Whisker Warriors Animal Defense Fund does
Mission
Organization's Primary Purpose is for the Protection, Life Improvement, and Population Control for Community (Feral) Cats through trapping, spay/neuter, and return to field. Primarily in the City of Rancho Cordova, with some work performed in Sacramento County.
As stated on its FY2025 Form 990-EZ.
Programs
Spay Neuter and other Medical/Veterinary related work: Our organization along with some community members had 354 Feral Cats Trapped, Spay/Neutered and returned to the field.
$48,847 spentof which $50,000 as grants60% of program spendingSupport of Feral Cat Colonies: We have 10 Volunteers Feed, Construct Shelters for, and maintain 10 Feral Cat colonies/sites on a daily basis for a population of 350 Cats.
$24,996 spentof which $30,000 as grants31% of program spendingDirect Community Support includes; Host/Support monthly vaccine clinics for community member's Cats and Dogs for preventive veterinary services. Provide local support for residents in assisting with Feral Cat Care in their surrounding areas at over 25 locations.
$7,000 spentof which $8,000 as grants9% of program spending
The 3 programs described on its FY2024 Form 990-EZ. Program spending in total: $80,843.
Leadership and staff
Chief executive
Therese Kolvenbach
President/CEO
As listed on its FY2024 Form 990-EZ.
Who funds it, year by year
2020 → 2023: the base broadened from 1 funder to 4 funders, grant income rose $109 → $13k.
2 of 4 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 25% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of WHISKER WARRIORS ANIMAL DEFENSE FUND’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
WHISKER WARRIORS ANIMAL DEFENSE FUND leans on a few funders — its largest provides 63% of grant income and the top three 97%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
25% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund WHISKER WARRIORS ANIMAL DEFENSE FUND.
Largest funder’s share by year: 2020 100% · 2021 95% · 2022 94% · 2023 46% — diversifying over time.
“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
85% of WHISKER WARRIORS ANIMAL DEFENSE FUND's grant income comes from California funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $7k arriving through sponsors registered in 2 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. 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
WHISKER WARRIORS ANIMAL DEFENSE FUND runs a healthier operating margin than three-quarters of the 3,693 animals nonprofits its size.
this organization peer median middle 50% of peers· 3,693 animals nonprofits $100k–$1M, FY2025
Organizations like WHISKER WARRIORS ANIMAL DEFENSE FUND
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.
Public support
100%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for WHISKER WARRIORS ANIMAL DEFENSE FUND: 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 WHISKER WARRIORS ANIMAL DEFENSE FUND?
- WHISKER WARRIORS ANIMAL DEFENSE FUND (California) receives grants from 4 organizations whose IRS filings report $26,808 to it, the largest being THORNTON S JR AND KATRINA D GLIDE FOUNDATION ($17,000). 2 of them have funded it in more than one year.
- How many funders does WHISKER WARRIORS ANIMAL DEFENSE FUND have?
- IRS filings report 4 organizations giving $26,808 in grants to WHISKER WARRIORS ANIMAL DEFENSE FUND, 2 of which have funded it in more than one year.
- Who is the largest funder of WHISKER WARRIORS ANIMAL DEFENSE FUND?
- THORNTON S JR AND KATRINA D GLIDE FOUNDATION is the largest funder on record, with $17,000 in grants. The full list of funders is on this page.
- How can an organization like WHISKER WARRIORS ANIMAL DEFENSE FUND 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 Whisker Warriors Animal Defense →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2025–2025), and the filings of 4 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