New York · Nonprofit
JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION
JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION (New York) receives grants from 13 organizations whose IRS filings report $2,710,093 to it, the largest being DOROTHY TAPPER GOLDMAN FOUNDATION ($2,200,000). 9 of them have funded it in more than one year.
- Revenue FY2024
- $23M
- Funders on record
- 13
- Grants received
- $2.7M
- Net assets
- $364M
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 2019 to 2020, from $317M to $366M (+16%).
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.
Board chair
Dwight E Lee
Chairman & trustee
As listed on its FY2024 Form 990-PF.
Who funds it, year by year
2017 → 2023: the base broadened from 3 funders to 7 funders, grant income rose $71k → $93k.
1 of 13 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 7% 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: $792k from one payer (the payer shares this organization's board, largest Fund for the Guggenheim Fellowships). These are real filings, and they are not money JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION raised.
From the IRS filings of JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION’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
JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION leans on a few funders — its largest provides 81% of grant income and the top three 94%; 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: 2017 99% · 2018 52% · 2019 54% · 2020 57% · 2021 57% · 2022 90% · 2023 54% — diversifying over time.
“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
67% of JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION's funders are still giving 3 years after their first grant; 69% 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
97% of JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION's grant income comes from New York funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $201k arriving through sponsors registered in 1 state 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.
Organizations like JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION
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 New York
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Screen this organization
A dated, signed PDF of the compliance screen for JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION: 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 JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION?
- JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION (New York) receives grants from 13 organizations whose IRS filings report $2,710,093 to it, the largest being DOROTHY TAPPER GOLDMAN FOUNDATION ($2,200,000). 9 of them have funded it in more than one year.
- How many funders does JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION have?
- IRS filings report 13 organizations giving $2,710,093 in grants to JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION, 9 of which have funded it in more than one year.
- Who is the largest funder of JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION?
- DOROTHY TAPPER GOLDMAN FOUNDATION is the largest funder on record, with $2,200,000 in grants. The full list of funders is on this page.
- How can an organization like JOHN SIMON GUGGENHEIM MEMORIAL FOUNDATION find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in New York. 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 13 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