Massachusetts · Nonprofit
Tellus Institute Inc
Tellus Institute Inc (Massachusetts) receives grants from 2 organizations whose IRS filings report $300,000 to it, the largest being THE SPRING FOUNDATION INC ($250,000). 0 of them have funded it in more than one year.
- Revenue FY2024
- $113k
- Funders on record
- 2
- Grants received
- $300k
- Net assets
- $202k
What Tellus Institute Inc does
Mission
Environmental Research The mission is to provide research and planning expertise in ares of envirionmental sustainability,economic and social impacts of environmental change and
As stated on its FY2024 Form 990.
Programs
The great Transition(2024) See attached D D
$401,194 spentof which $50,000 as grants100% of program spendingD
$0 spent0% of program spendingN/a
$0 spent0% of program spending
The 3 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $401,194.
The organization over time
Each line starts at 100 in 2020, so what you read is the shape rather than the size: 150 means half as much again as 2020, 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 and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2020 to 2021, from $1.8M to $1.3M (−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.
0% of Tellus Institute Inc’s revenue is contributions — more earned-revenue than three-quarters of its peers (88% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 5 of the last 5 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.
Who funds it, year by year
Grant support over time, funder by funder — shade shows the grant size each year.
From the IRS filings of Tellus Institute 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
Tellus Institute Inc leans on a few funders — its largest provides 83% 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
“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
Tellus Institute Inc draws 100% of its grant income from funders outside Massachusetts, across 2 states in all.
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.
Against its field
Tellus Institute Inc is better cushioned than half of the 4,264 environment nonprofits its size.
this organization peer median middle 50% of peers· 4,264 environment nonprofits $100k–$1M, FY2024
Government funding Tellus Institute Inc receives
Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $589k on record.
- DIRECT STATE SERVICES - NON-SALARY$589k
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 Tellus Institute 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.
Where the money goes
98% of spending goes to programs.
Governance
Public support
0%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 2 states
Screen this organization
A dated, signed PDF of the compliance screen for Tellus Institute 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 Tellus Institute Inc?
- Tellus Institute Inc (Massachusetts) receives grants from 2 organizations whose IRS filings report $300,000 to it, the largest being THE SPRING FOUNDATION INC ($250,000). 0 of them have funded it in more than one year.
- How many funders does Tellus Institute Inc have?
- IRS filings report 2 organizations giving $300,000 in grants to Tellus Institute Inc.
- Who is the largest funder of Tellus Institute Inc?
- THE SPRING FOUNDATION INC is the largest funder on record, with $250,000 in grants. The full list of funders is on this page.
- How can an organization like Tellus Institute 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.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2020–2024), and the filings of 2 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