Massachusetts · Nonprofit
MYSTIC RIVER RUGBY FOUNDATION INC
MYSTIC RIVER RUGBY FOUNDATION INC (Massachusetts) receives grants from 5 organizations whose IRS filings report $57,599 to it, the largest being PICCOLO FAMILY CHARITABLE FOUNDATIONINC ($35,000). 2 of them have funded it in more than one year.
- Revenue FY2018
- $34k
- Funders on record
- 5
- Grants received
- $58k
- Net assets
- $24k
What Mystic River Rugby Foundation Inc does
Mission
To foster national and international sports competition and to support and develop amateur athletes for national and international sports competition.
As stated on its FY2018 Form 990-EZ.
Program
To promote national and international youth rugby competition and to further develop amateur athletes.
The first program described on its most recent Form 990-EZ.
Who funds it, year by year
2017 → 2023: the base broadened from 1 funder to 3 funders, grant income rose $5k → $22k.
2 of 5 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 30% 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 MYSTIC RIVER RUGBY FOUNDATION INC’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
MYSTIC RIVER RUGBY FOUNDATION INC leans on a few funders — its largest provides 61% 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
39% 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 MYSTIC RIVER RUGBY FOUNDATION INC.
Largest funder’s share by year: 2017 100% · 2018 100% · 2019 51% · 2021 99% · 2022 97% · 2023 77% — 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
100% of MYSTIC RIVER RUGBY FOUNDATION INC's grant income comes from Massachusetts funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $17k 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
MYSTIC RIVER RUGBY FOUNDATION INC's funding base is broadening — from 1 funders to 3 as grant income climbed.
this organization peer median middle 50% of peers· 8,019 recreation & sports nonprofits under $100k, FY2018
Organizations like MYSTIC RIVER RUGBY FOUNDATION INC
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 Massachusetts
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 MYSTIC RIVER RUGBY FOUNDATION INC: 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 MYSTIC RIVER RUGBY FOUNDATION INC?
- MYSTIC RIVER RUGBY FOUNDATION INC (Massachusetts) receives grants from 5 organizations whose IRS filings report $57,599 to it, the largest being PICCOLO FAMILY CHARITABLE FOUNDATIONINC ($35,000). 2 of them have funded it in more than one year.
- How many funders does MYSTIC RIVER RUGBY FOUNDATION INC have?
- IRS filings report 5 organizations giving $57,599 in grants to MYSTIC RIVER RUGBY FOUNDATION INC, 2 of which have funded it in more than one year.
- Who is the largest funder of MYSTIC RIVER RUGBY FOUNDATION INC?
- PICCOLO FAMILY CHARITABLE FOUNDATIONINC is the largest funder on record, with $35,000 in grants. The full list of funders is on this page.
- How can an organization like MYSTIC RIVER RUGBY FOUNDATION INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Massachusetts. 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 Mystic River Rugby →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2018 (financials across 2018–2018), and the filings of 5 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