Charity Search / STEMS MACARTHUR FOUNDATION
Philanthropy & Grantmaking (T20) 990 on File

STEMS MACARTHUR FOUNDATION

EIN: 45-2474548 · LOOKOUT MTN, TN 37350-0409 · United States · FY 2024 Data
3 out of 5 50 / 100 Based on 2+ years of filings
Financial strength (30%) 92/100
Reliability (20%) 50/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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Financial Overview — FY 2024
$24K
Total Revenue
$30K
Total Expenses
$228K
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 83.5%
Fundraising Efficiency N/A
Operating Reserve 91.52x
Liability-to-Asset 0.0%
Revenue Diversification 79.6%
Compared with Peers
FY 2024
Compared with 21,182 similar organizations (United States, Philanthropy & Grantmaking, under $100K in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
83.5% 86.8%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
91.5 mo 122.3 mo
P10P90
Below median
Liabilities to assets
Total liabilities / total assets · lower is better
0.0% 0.0%
P10P90
Top quarter
Revenue concentration
Share of revenue from the largest source · lower is better
79.6% 94.5%
P10P90
Above median
Revenue growth
Year over year revenue growth
170.4% 9.1%
P10P90
Expense growth
Year over year expense growth
-35.2% 0.1%
P10P90
Surplus margin
Surplus as a share of revenue
-23.3% 7.1%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $24K $30K $228K 83.5% —
2023 $9K $46K $234K 89.8% —
2022 $34K $45K $272K 88.9% —
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Organization Details
EIN
45-2474548
State
TN
City
LOOKOUT MTN
ZIP
37350-0409
Classification
T20
Category
Philanthropy & Grantmaking
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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