Arizona · Nonprofit
BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER
BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER (Arizona) receives grants from 2 organizations whose IRS filings report $545 to it, the largest being Texas Instruments Foundation ($520). 0 of them have funded it in more than one year.
Against its field
BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER is better cushioned than half of the 21,584 human services nonprofits its size.
this organization peer median middle 50% of peers· 21,584 human services nonprofits $100k–$1M, FY2024
Three funders worth looking at
Grantmakers with no record of funding this organization, ranked by how strongly the co-funder graph and the mission embeddings agree. The evidence is in section 03.
- Angel Charity for Children Inclocalportfolio match
- Connie Hillman Family Foundationlocalportfolio match
- Tucson Medical Centerlocalportfolio match
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.
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.
Government-grant reliance: 2020 11% · 2021 10%. Grants only. Government contracts and fees sit inside program revenue.
0% of BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER’s revenue is contributions — more earned-revenue than three-quarters of its peers (91% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 8 reported years ran a deficit.
reserve
Who funds it, year by year
2020 → 2021: the base held at 1 funder, grant income rose $25 → $520.
From the IRS filings of BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER’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
BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER leans on a few funders — its largest provides 95% 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
Largest funder’s share by year: 2020 100% · 2021 100% — broadly stable.
“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
BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER draws 100% of its grant income from funders outside Arizona, across 2 states in all.
In-state vs out-of-state, by year
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.
Funders to approach
Grantmakers that don’t fund you yet, surfaced two ways: they back organizations that share your funders, or their grantees resemble your mission. The ones both signals agree on come first.
- Angel Charity for Children Inclocalportfolio matchAZ · funds 39 organizations near you · its grantees resemble your mission
- Connie Hillman Family Foundationlocalportfolio matchAZ · funds 74 organizations near you · its grantees resemble your mission
- Tucson Medical Centerlocalportfolio matchAZ · funds 28 organizations near you · its grantees resemble your mission
- Rotary Club of Tucson Foundationlocalportfolio matchAZ · funds 20 organizations near you · its grantees resemble your mission
- YWCA of Southern ArizonalocalAZ · funds 431 organizations near you
- Big Brothers Big Sisters Of Americaportfolio matchits grantees resemble your mission
- Youth Collaboratory Incportfolio matchits grantees resemble your mission
- The Kitay Family Foundationportfolio matchits grantees resemble your mission
- Ross and Patty McCallister Foundationportfolio matchits grantees resemble your mission
- You Got This Foundationportfolio matchits grantees resemble your mission
- The Carl & Mabel Shurtz Foundationportfolio matchits grantees resemble your mission
- One Az Community Foundation Incportfolio matchits grantees resemble your mission
From the co-funder graph (funders backing at least two comparable organizations, shrunk for grantee count, donor-advised and mega-funds excluded) and the universe embeddings. A research starting point; overlap is association, not a guarantee of fit.
Organizations like BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER
Nonprofits whose mission and program text most resemble this one, by semantic similarity over the universe of US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Arizona
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
83% of spending goes to programs.
Governance
Footprint & structure
Part of a family of 1 related entity
- Big Brothers Big Sisters of So Az · exempt
Screen this organization
A dated, signed PDF of the compliance screen for BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER: 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. How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER?
- BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER (Arizona) receives grants from 2 organizations whose IRS filings report $545 to it, the largest being Texas Instruments Foundation ($520). 0 of them have funded it in more than one year.
- How many funders does BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER have?
- IRS filings report 2 organizations giving $545 in grants to BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER.
- Who is the largest funder of BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER?
- Texas Instruments Foundation is the largest funder on record, with $520 in grants. The full list of funders is on this page.
- How can an organization like BIG BROTHERS BIG SISTERS OF TUCSON DONATION CENTER find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Arizona. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
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 2funders 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 August 27, 2026. What this page cannot tell you · view filing