Massachusetts · Nonprofit
American Friends of the Leipzig Bach-Archive Inc
American Friends of the Leipzig Bach-Archive Inc (Massachusetts) receives grants from 3 organizations whose IRS filings report $92,585 to it, the largest being Runestone Family Foundation ($32,000). 3 of them have funded it in more than one year, and 65% of the money arrives through donor-advised or pass-through sponsors rather than from an institution directly.
- Revenue FY2025
- $60k
- Funders on record
- 3
- Grants received
- $93k
- Net assets
- $36k
What American Friends of the Leipzig Bach-Archive Inc does
Mission
The primary purpose of AFLBA is to give some financial support to the Bach-Archiv. #1. programming and payment of guest artists and speakers for the annual Bachfest . #2. AFLBA supports the Bach Library by supporting an endowment fund to ensure the future of its library and museum collections. AFLFAs contributions help with the acquisition of rare Bach documents manuscripts and musical transcriptions and other Bach rarities. #3. AFLBA also supports stipends for research assistants within the Bach Archiv. #4. AFLBAs board of directors also offers advice research and intellectual support which value is inestimable. #5. AFLBA purchase of BachMagazin for its members and contributors. AFLBAs support does not support 1 person but thousands of people who are indebted to JS Bach.
As stated on its FY2025 Form 990-EZ.
Programs
2025 contribution for Programming and Musical artists for the Bachfest:
$42,420 spentof which $42,420 as grants47% of program spending2025 contribution to the Bach-Archive Library:
$29,995 spent33% of program spendingSashi Ayyangar Stipend: support pianist in research of cantatas composed by Bachs predecessors
$15,250 spent17% of program spendingBach Magazin purchase
$2,335 spent3% of program spending
The 4 programs described on its FY2025 Form 990-EZ. Program spending in total: $90,000.
Who funds it, year by year
2017 → 2021: the base held at 1 funder, grant income fell $20k → $12k.
2 of 3 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 65% 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 American Friends of the Leipzig Bach-Archive 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 Friends of the Leipzig Bach-Archive Inc leans on a few funders — its largest provides 35% of grant income and the top three 100%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
65% 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 American Friends of the Leipzig Bach-Archive Inc.
Largest funder’s share by year: 2017 100% · 2018 100% · 2019 100% · 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
65% of American Friends of the Leipzig Bach-Archive Inc's grant income arrives through donor-advised or pass-through sponsors, whose addresses record where the money is held rather than where the donor is. Of the $32k that is directly attributable, 100% of it comes from funders outside Massachusetts, across 1 state.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $61k 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
American Friends of the Leipzig Bach-Archive Inc receives grants from 3 organizations whose IRS filings report $93k to it.
this organization peer median middle 50% of peers· 10,242 arts & culture nonprofits under $100k, FY2025
Organizations like American Friends of the Leipzig Bach-Archive 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.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for American Friends of the Leipzig Bach-Archive 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 American Friends of the Leipzig Bach-Archive Inc?
- American Friends of the Leipzig Bach-Archive Inc (Massachusetts) receives grants from 3 organizations whose IRS filings report $92,585 to it, the largest being Runestone Family Foundation ($32,000). 3 of them have funded it in more than one year, and 65% of the money arrives through donor-advised or pass-through sponsors rather than from an institution directly.
- How many funders does American Friends of the Leipzig Bach-Archive Inc have?
- IRS filings report 3 organizations giving $92,585 in grants to American Friends of the Leipzig Bach-Archive Inc, 3 of which have funded it in more than one year.
- Who is the largest funder of American Friends of the Leipzig Bach-Archive Inc?
- Runestone Family Foundation is the largest funder on record, with $32,000 in grants. The full list of funders is on this page.
- How can an organization like American Friends of the Leipzig Bach-Archive 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 American Friends of the Leipzig Bach-Archive →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2025–2025), and the filings of 3 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