New York · Nonprofit
KNICKERBOCKER TENNIS FOUNDATION
KNICKERBOCKER TENNIS FOUNDATION (New York) receives grants from 7 organizations whose IRS filings report $32,617 to it, the largest being PB&J FOUNDATION INC ($19,000). 3 of them have funded it in more than one year.
- Revenue FY2024
- $34k
- Funders on record
- 7
- Grants received
- $33k
- Net assets
- $65k
What Knickerbocker Tennis Foundation does
Mission
To keep people active and healthy by playing tennis
As stated on its FY2024 Form 990-EZ.
Programs
To keep people active and healthy by playing tennis
To keep people active and healthy by playing tennis
$35,038 spent100% of program spending
The 2 programs described on its FY2024 Form 990-EZ. Program spending in total: $35,038.
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 2021 to 2022, from $52k to $66k (+26%).
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 KNICKERBOCKER TENNIS FOUNDATION’s revenue is contributions — more reliant on donations than three-quarters of its peers (39% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 3 of the last 8 reported years ran a deficit.
Who funds it, year by year
2018 → 2023: the base broadened from 1 funder to 4 funders, grant income rose $300 → $11k.
2 of 7 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 19% 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 KNICKERBOCKER TENNIS FOUNDATION’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
KNICKERBOCKER TENNIS FOUNDATION leans on a few funders — its largest provides 58% of grant income and the top three 89%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
Largest funder’s share by year: 2018 100% · 2019 60% · 2020 99% · 2021 75% · 2022 75% · 2023 54% — 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
84% of KNICKERBOCKER TENNIS FOUNDATION's grant income comes from New York funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $6k 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
KNICKERBOCKER TENNIS FOUNDATION has grown faster than half of the 13,303 recreation & sports nonprofits its size.
this organization peer median middle 50% of peers· 13,303 recreation & sports nonprofits under $100k, FY2024
Organizations like KNICKERBOCKER TENNIS FOUNDATION
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 New York
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.
Screen this organization
A dated, signed PDF of the compliance screen for KNICKERBOCKER TENNIS FOUNDATION: 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 KNICKERBOCKER TENNIS FOUNDATION?
- KNICKERBOCKER TENNIS FOUNDATION (New York) receives grants from 7 organizations whose IRS filings report $32,617 to it, the largest being PB&J FOUNDATION INC ($19,000). 3 of them have funded it in more than one year.
- How many funders does KNICKERBOCKER TENNIS FOUNDATION have?
- IRS filings report 7 organizations giving $32,617 in grants to KNICKERBOCKER TENNIS FOUNDATION, 3 of which have funded it in more than one year.
- Who is the largest funder of KNICKERBOCKER TENNIS FOUNDATION?
- PB&J FOUNDATION INC is the largest funder on record, with $19,000 in grants. The full list of funders is on this page.
- How can an organization like KNICKERBOCKER TENNIS FOUNDATION find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in New York. 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 Knickerbocker Tennis →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2017–2024), and the filings of 7 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 22, 2026. What this page cannot tell you · view filing