Connecticut · Nonprofit
AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC
AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC (Connecticut) receives grants from 4 organizations whose IRS filings report $24,750 to it, the largest being THE SHACK SACKLER FOUNDATION ($20,000). 3 of them have funded it in more than one year.
Against its field
AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC runs a healthier operating margin than three-quarters of the 363 civil rights nonprofits its size.
this organization peer median middle 50% of peers· 363 civil rights nonprofits $1M–$10M, FY2025
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.
- Louis and Anne Abrons Foundation Incshared funders
- The Just Trust for Actionportfolio match
- Connecticut Bar Foundationportfolio match
The organization over time
Each line starts at 100 in 2019, so what you read is the shape rather than the size: 150 means half as much again as 2019, 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.
97% of AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC’s revenue is contributions — about as donation-reliant as the typical peer (97% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 2 of the last 7 reported years ran a deficit.
reserve
Who funds it, year by year
2019 → 2023: the base held at 1 funder, grant income rose $500 → $10k.
Left out of every figure on this page: $1.9M from 2 payers (the payer shares this organization's board, largest American Civil Liberties Union Inc). These are real filings, and they are not money AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC raised.
From the IRS filings of AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT 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
AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC leans on a few funders — its largest provides 81% of grant income and the top three 99%; 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: 2019 100% · 2020 100% · 2023 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
AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC draws 93% of its grant income from funders outside Connecticut, 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.
- Louis and Anne Abrons Foundation Incshared fundersDE · backs 26 organizations that share your funders
- The Just Trust for Actionportfolio matchits grantees resemble your mission
- Connecticut Bar Foundationportfolio matchits grantees resemble your mission
- Leadership Instituteportfolio matchits grantees resemble your mission
- National Religious Campaign Against Tortureportfolio matchits grantees resemble your mission
- American Federation of Labor and Congress of Industrial Organizationsportfolio matchits grantees resemble your mission
- The Mark W Blackman & Deborah Blackman Family Foundationportfolio matchits grantees resemble your mission
- Unite Hereportfolio matchits grantees resemble your mission
- American Hotel & Lodging Associationportfolio matchits grantees resemble your mission
- Grand Lodge International Association of Machinists & Aerospace Workersportfolio matchits grantees resemble your mission
- Tisbest Philanthropyshared fundersWA · backs 35 organizations that share your funders
- Give Lively Foundation Incshared fundersNY · backs 60 organizations that share your funders
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 AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC
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 Connecticut
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
77% of spending goes to programs.
Governance
Footprint & structure
Files a return copy in 1 state
Part of a family of 4 related entities
- American Civil Liberties Union of Connecticut Rise PAC · disregarded
- American Civil Liberties Union Foundation of Connecticut Inc · exempt
- American Civil Liberties Union Inc · exempt
- American Civil Liberties Union Foundation Inc · exempt
Screen this organization
A dated, signed PDF of the compliance screen for AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT 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. How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC?
- AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC (Connecticut) receives grants from 4 organizations whose IRS filings report $24,750 to it, the largest being THE SHACK SACKLER FOUNDATION ($20,000). 3 of them have funded it in more than one year.
- How many funders does AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC have?
- IRS filings report 4 organizations giving $24,750 in grants to AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC, 3 of which have funded it in more than one year.
- Who is the largest funder of AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC?
- THE SHACK SACKLER FOUNDATION is the largest funder on record, with $20,000 in grants. The full list of funders is on this page.
- How can an organization like AMERICAN CIVIL LIBERTIES UNION OF CONNECTICUT INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Connecticut. 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 FY2025 (financials across 2019–2025), and the filings of 4funders 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