Florida · Nonprofit
Big Brothers Big Sisters of Tampa Bay Inc
Big Brothers Big Sisters of Tampa Bay Inc (Florida) receives grants from 65 organizations whose IRS filings report $5,259,890 to it, the largest being Big Brothers Big Sisters Of America ($2,348,389). 40 of them have funded it in more than one year.
- Revenue FY2025
- $6.2M
- Funders on record
- 65
- Grants received
- $5.3M
- Net assets
- $5.2M
What Big Brothers Big Sisters of Tampa Bay Inc does
Mission
To provide children facing adversity with strong and enduring, professionally supported one-to-one relationships that ignite the power and promise of youth.
As stated on its FY2025 Form 990.
Program
Our Agency's singular program is Comprehensive Mentoring. Our mission is to provide children facing adversity with strong and enduring, professionally supported one-to-one relationships that change their lives for the better, forever. A simple but powerful mission which serves as the foundation for what we do. Thanks to dedicated volunteers and generous donors we're able to serve children from all walks of life. Within our comprehensive mentoring program, volunteers (Bigs) and children (Littles) spend time together either in the community or at an assigned site location. Community Based participants may choose outings such as going for a walk, working on arts and crafts, taking a bike ride, or watching a sporting event. Site based participants may meet with their Little Brother or Little Sister one hour a week at a near-by school and may choose activities such as reading, games, or even just talking about school and/or life. In our School-to-Work mentoring program, partner high schools are matched up with a local business or governmental entity for a minimum of two years. High school juniors the first year and seniors the second year meet with their assigned mentors at his or her…
$4,796,039 spentof which $17,910 as grants100% of program spending
The program described on its FY2023 Form 990. Program spending in total: $4,796,039.
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.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2023 to 2024, from $4.4M to $5.4M (+24%).
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: 2017 36% · 2018 48% · 2019 50% · 2020 55% · 2021 60% · 2022 62% · 2023 60% · 2024 51% · 2025 58%. Grants only. Government contracts and fees sit inside program revenue.
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 1 of the last 9 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
The chief executive listed changed between the FY2022 and FY2023 filings.
Who funds it, year by year
2017 → 2023: the base broadened from 18 funders to 25 funders, grant income rose $615k → $680k.
10 of 65 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 14% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
Left out of every figure on this page: $15M from 12 payers (the payer shares this organization's board, largest Big Brothers Big Sisters Association of Florida Inc). These are real filings, and they are not money Big Brothers Big Sisters of Tampa Bay Inc raised.
From the IRS filings of Big Brothers Big Sisters of Tampa Bay Inc’s funders (the co-funder graph). Top 30 of 65 funders by total. 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 Tampa Bay Inc leans on a few funders — its largest provides 45% of grant income and the top three 59%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
77% 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 Big Brothers Big Sisters of Tampa Bay Inc.
Largest funder’s share by year: 2017 39% · 2018 51% · 2019 34% · 2020 38% · 2021 42% · 2022 39% · 2023 45% — growing more concentrated.
“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.
How long its funders stay
41% of Big Brothers Big Sisters of Tampa Bay Inc's funders are still giving 3 years after their first grant; 62% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
88% of Big Brothers Big Sisters of Tampa Bay Inc's grant income comes from Florida funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $748k arriving through sponsors registered in 10 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.
Government funding Big Brothers Big Sisters of Tampa Bay Inc receives
Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $1.2M on record.
- Corporation for National and Community Service$1.2M
Federal grants vs contracts are distinguished; state line items keep their reported category. Matched by name + geography (the BMF), so coverage is partial and precision-first.
Organizations like Big Brothers Big Sisters of Tampa Bay 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 Florida
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
83% of spending goes to programs.
Governance
Public support
98%
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 Big Brothers Big Sisters of Tampa Bay 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 Big Brothers Big Sisters of Tampa Bay Inc?
- Big Brothers Big Sisters of Tampa Bay Inc (Florida) receives grants from 65 organizations whose IRS filings report $5,259,890 to it, the largest being Big Brothers Big Sisters Of America ($2,348,389). 40 of them have funded it in more than one year.
- How many funders does Big Brothers Big Sisters of Tampa Bay Inc have?
- IRS filings report 65 organizations giving $5,259,890 in grants to Big Brothers Big Sisters of Tampa Bay Inc, 40 of which have funded it in more than one year.
- Who is the largest funder of Big Brothers Big Sisters of Tampa Bay Inc?
- Big Brothers Big Sisters Of America is the largest funder on record, with $2,348,389 in grants. The full list of funders is on this page.
- How can an organization like Big Brothers Big Sisters of Tampa Bay Inc find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Florida. 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 Big Brothers Big Sisters of Tampa Bay →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 65 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