Pennsylvania · Nonprofit
MOUNT GRETNA AREA HISTORICAL SOCIETY INC
MOUNT GRETNA AREA HISTORICAL SOCIETY INC (Pennsylvania) receives grants from 3 organizations whose IRS filings report $68,106 to it, the largest being ANNE B SWEIGART CHARITABLE FOUNDATION ($62,500). 2 of them have funded it in more than one year.
- Revenue FY2026
- $48k
- Funders on record
- 3
- Grants received
- $68k
- Net assets
- $465k
What Mount Gretna Area Historical Society Inc does
Mission
The organization's primary exempt purpose is to preserve and present materials and data relevent to mount gretna history.
As stated on its FY2026 Form 990-EZ.
Program
Maintenance of building, grounds and archival materials
$26,272 spent100% of program spending
The program described on its FY2026 Form 990-EZ. Program spending in total: $26,272.
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. 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 2017 to 2018, from $335k to $362k (+8%).
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.
78% of MOUNT GRETNA AREA HISTORICAL SOCIETY INC’s revenue is contributions — more donation-reliant than the typical peer (78% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 1 of the last 10 reported years ran a deficit.
Who funds it, year by year
2017 → 2023: the base broadened from 1 funder to 2 funders, grant income rose $8k → $8k.
1 of 3 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 1% 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 MOUNT GRETNA AREA HISTORICAL SOCIETY 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
MOUNT GRETNA AREA HISTORICAL SOCIETY INC leans on a few funders — its largest provides 92% 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
Largest funder’s share by year: 2017 100% · 2018 100% · 2019 100% · 2020 99% · 2021 98% · 2022 59% · 2023 98% — 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
93% of MOUNT GRETNA AREA HISTORICAL SOCIETY INC's grant income comes from Pennsylvania funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $606 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.
Against its field
MOUNT GRETNA AREA HISTORICAL SOCIETY INC runs a healthier operating margin than three-quarters of the 710 arts & culture nonprofits its size.
this organization peer median middle 50% of peers· 710 arts & culture nonprofits under $100k, FY2026
Organizations like MOUNT GRETNA AREA HISTORICAL SOCIETY 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 Pennsylvania
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Public support
88%
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 MOUNT GRETNA AREA HISTORICAL SOCIETY 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 MOUNT GRETNA AREA HISTORICAL SOCIETY INC?
- MOUNT GRETNA AREA HISTORICAL SOCIETY INC (Pennsylvania) receives grants from 3 organizations whose IRS filings report $68,106 to it, the largest being ANNE B SWEIGART CHARITABLE FOUNDATION ($62,500). 2 of them have funded it in more than one year.
- How many funders does MOUNT GRETNA AREA HISTORICAL SOCIETY INC have?
- IRS filings report 3 organizations giving $68,106 in grants to MOUNT GRETNA AREA HISTORICAL SOCIETY INC, 2 of which have funded it in more than one year.
- Who is the largest funder of MOUNT GRETNA AREA HISTORICAL SOCIETY INC?
- ANNE B SWEIGART CHARITABLE FOUNDATION is the largest funder on record, with $62,500 in grants. The full list of funders is on this page.
- How can an organization like MOUNT GRETNA AREA HISTORICAL SOCIETY INC find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Pennsylvania. 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 Mount Gretna Area Historical Society →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2026 (financials across 2017–2026), 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 22, 2026. What this page cannot tell you · view filing