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Washington, D.C. · Nonprofit

NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR

NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR (Washington, D.C.) receives grants from 3 organizations whose IRS filings report $224,200 to it, the largest being DIANA DAVIS SPENCER FOUNDATION INC ($200,000). 1 of them have funded it in more than one year.

Revenue FY2024
$162k
Funders on record
3
Grants received
$224k
Net assets
$104k
1/3 repeat funderspeak grant-dependency 82%
01What it does

What National Historical Society Co Edwin Grosvenor does

Mission

To foster, promote, and encourage interest in and the study of american history and culture, support research,and to develop media to connect all americansto their shared heritage.

As stated on its FY2024 Form 990-EZ.

Program

  1. The National Historical Society (NHS) is 501-c(3) nonprofit organized to foster, promote, and encourage interest in and the study of American history and culture, support research, and develop media to connect all Americans to their shared heritage. The Society informs readers worldwide about our nations past with its 75-year-old American Heritage Magazine and provides teaching materials to schools, universities, and home schooling parents through its Fourscore (4score.org) educational system.

    $78,018 spent
    100% of program spending

The program described on its FY2024 Form 990-EZ. Program spending in total: $78,018.

02The organization over time

The organization over time

Each line starts at 100 in 2023, so what you read is the shape rather than the size: 150 means half as much again as 2023, 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.

100 = 20232023 Revenue 100 ($121k) Expenses 100 ($103k) Net assets 100 ($20k)2024 Revenue 133 ($162k) Expenses 76 ($78k) Net assets 509 ($104k)
20232024
Revenue (133)Expenses (76)Net assets (509)Peer revenue range

Balance sheet

Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2023 to 2024, from $21k to $105k (+389%).

$21k
$105k
20232024
Total assetsTotal liabilities

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.

2023
2024
ContributionsProgram revenueInvestmentOther

100% of NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR’s revenue is contributions — more reliant on donations than three-quarters of its peers (64% for the typical peer).

This organization
Typical peer · 19,547 orgs

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 0 of the last 2 reported years ran a deficit.

$18k
’23
$84k
’24

Leadership and staff

Chief executive

Edwin S Grosvenor

CEO

As listed on its FY2024 Form 990-EZ.

03Who funds it

Who funds it, year by year

Grant support over time, funder by funder — shade shows the grant size each year.

1 of 3 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 4% 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 NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR’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

NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR leans on a few funders — its largest provides 89% 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

89%
largest funder
100%
top three
~1
effective funders

“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

NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR draws 100% of its grant income from funders outside Washington, D.C., across 1 state in all.

MD

Funder states come from each funder’s own filing. $9k 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.

04Its place in the field

Against its field

NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR runs a healthier operating margin than three-quarters of the 17,936 arts & culture nonprofits its size.

Operating margin52% · top quartile
Revenue growth (annualized)33% · top quartile

this organization peer median middle 50% of peers· 17,936 arts & culture nonprofits $100k–$1M, FY2024

Organizations like NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR

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 Washington, D.C.

Nationally

05Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Public support

0%

Share of support from the public (Schedule A) — the basis for its public-charity status.

Screen this organization

A dated, signed PDF of the compliance screen for NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR: 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.

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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 NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR?
NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR (Washington, D.C.) receives grants from 3 organizations whose IRS filings report $224,200 to it, the largest being DIANA DAVIS SPENCER FOUNDATION INC ($200,000). 1 of them have funded it in more than one year.
How many funders does NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR have?
IRS filings report 3 organizations giving $224,200 in grants to NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR, 1 of which have funded it in more than one year.
Who is the largest funder of NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR?
DIANA DAVIS SPENCER FOUNDATION INC is the largest funder on record, with $200,000 in grants. The full list of funders is on this page.
How can an organization like NATIONAL HISTORICAL SOCIETY CO EDWIN GROSVENOR find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Washington, D.C.. 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 National Historical Society Co Edwin Grosvenor →

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2023–2024), 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