Public & Societal Benefit (W99) 990 on File

THE MAINSTAY FOUNDATION

EIN: 46-4286586 · DEARBORN, MI 48120-1225 · United States · FY 2024 Data

3 out of 5 52 / 100 Based on 2+ years of filings

Financial strength (30%) 86/100

Reliability (20%) 50/100

Effectiveness (25%) 64/100

Impact (25%) No data yet

Financial data: FY 2024 · Scored 9/13/2026

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Financial Overview — FY 2024

$1.0M

Total Revenue

$934K

Total Expenses

$398K

Net Assets

Employees

Revenue Sources

Expense Breakdown

Program Expense Ratio 71.1%

Fundraising Efficiency N/A

Operating Reserve 5.12x

Liability-to-Asset 3.9%

Revenue Diversification 66.8%

Compared with Peers

FY 2024

Compared with 1,513 similar organizations (United States, Public & Societal Benefit, $100K–$1M 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	71.1%	85.7%	P10P90	Below median
Admin expense ratio Management and general / total expenses · lower is better	28.5%	10.4%	P10P90	Bottom quarter
Fundraising expense ratio Fundraising expenses / total expenses · lower is better	0.5%	0.0%	P10P90	Below median
Operating reserve Months of expenses covered by net assets · higher is better	5.1 mo	8.5 mo	P10P90	Below median
Liabilities to assets Total liabilities / total assets · lower is better	3.9%	0.6%	P10P90	Below median
Revenue concentration Share of revenue from the largest source · lower is better	66.8%	97.0%	P10P90	Top quarter
Revenue growth Year over year revenue growth	-1.3%	9.4%	P10P90
Expense growth Year over year expense growth	-14.7%	11.8%	P10P90
Surplus margin Surplus as a share of revenue	8.3%	2.2%	P10P90

Financial History

Year	Revenue	Expenses	Net Assets	Program %	Staff
2024	$1.0M	$934K	$398K	71.1%	7
2023	$1.0M	$1.1M	$305K	76.1%	5
2022	$1.3M	$1.1M	$367K	83.4%	5
2021	$448K	$382K	N/A	—	4

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Organization Details

EIN: 46-4286586
State: MI
City: DEARBORN
ZIP: 48120-1225
Classification: W99
Category: Public & Societal Benefit
Rating: 3★
Coverage: A
Last Updated: Aug 2026
Form 990: On File

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CharityAI™ rates charities from 0 to 100 using public filings (IRS Form 990 and the equivalent registries outside the US) together with the information the charity itself provides on DonationX. Ratings are recalculated every quarter, without human bias, and shown as stars.

Four pillars

Financial strength30%

Program expense ratio, fundraising efficiency, operating reserves, liabilities and revenue diversification, compared with similar organizations.

Reliability20%

Standing with the registry, filing history, verification and how complete the profile is.

Effectiveness25%

How much goes to programs and how consistently the organization delivers them.

Impact25%

The outcomes the charity reports on DonationX: people served, cost per service and results.

Stars

★★★★★ 80–100 ★★★★☆ 60–79 ★★★☆☆ 40–59 ★★☆☆☆ 20–39 ★☆☆☆☆ 1–19

A pillar with no data counts as zero. Without impact metrics the score is capped at 59 (three stars): only the charity can supply that data.
The coverage grade (A to D) says how much filing data the score rests on; NONE means there is not enough to rate.
An organization that is not in good standing with its registry (for example a revoked tax exemption) is shown as Not rated.
"Compared with peers" places the charity's key ratios against organizations of the same country, sector and size.

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