Nathan M Clark Foundation is a 501(c)(3) organization based in Wilmington, Delaware, registered in 2004, with $637,065 in FY2025 revenue. CharityIndex grades it C+.
Revenue (FY2025)
$637K
▼ 3.8% vs prior year
Philanthropy median: $168K
Expenses (FY2025)
$618K
Net assets
$9.7M
Employees
—
Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for Nathan M Clark Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For Nathan M Clark Foundation: 188 mo reserves · +3% margin earns a B+ on this criterion. See the exact thresholds →
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for Nathan M Clark Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For Nathan M Clark Foundation: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
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Revenue grew from $2 (FY2013) to $637K (FY2025) across 10 reported years.
Financial snapshot
Operating margin
2.9%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$9.7M
Total liabilities
$0
Net assets
$9.7M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2025 | $637,065▼3.8% | $618,347▲4.9% | $9,675,751▲0.2% | $9,675,751▲0.2% | 990PF |
| 2024 | $662,112▲346% | $589,624▼6.9% | $9,656,555▲0.7% | $9,656,555▲0.7% | 990PF |
| 2023 | $148,428▼66.7% | $633,095▼6.0% | $9,585,249▼4.9% | $9,585,249▼4.9% | 990PF |
| 2022 | $446,104▼60.2% | $673,266▲1.3% | $10,078,127▼2.2% | $10,078,127▼2.2% | 990PF |
| 2021 | $1,122,126▲461% | $664,791▲4.5% | $10,303,989▲4.6% | $10,303,989▲4.6% | 990PF |
| 2020 | $200,093▲180% | $636,045▲41.1% | $9,847,427▲31.6% | $9,847,427▲31.6% | 990PF |
| 2016 | $71,440▲176% | $450,664▲1.2% | $7,482,292▼0.5% | $7,482,292▼0.5% | 990PF |
| 2015 | -$93,499▼101% | $445,234▲57.3% | $7,520,044▼8.1% | $7,520,044▼8.1% | 990PF |
| 2014 | $8,540,293▲427014550% | $283,120▲759% | $8,186,004▲7925% | $8,186,004▲7925% | 990PF |
| 2013 | $2 | $32,944▲242% | $102,000▼24.4% | $102,000▼24.4% | 990PF |
| 2012 | — | $9,628▼13.9% | $134,942▼6.7% | $134,942▼6.7% | 990PF |
| 2011 | — | $11,185▼0.5% | $144,567▲0.6% | $144,567▲0.6% | 990PF |
| 2010 | — | $11,242 | $143,751 | $143,751 | 990PF |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
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Data for Nathan M Clark Foundation (EIN 20-1201954) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.