Marie & Mayer Winkler Peter C & Helen D Johannes Foundation
Only null% goes to programs Strong reserves Declining revenue
Marie & Mayer Winkler Peter C & Helen D Johannes Foundation is a 501(c)(3) organization based in Clayton, Missouri, registered in 2013, with $368,035 in FY2024 revenue. CharityIndex grades it C+.
Po Box 11356, Clayton, MO, 63105 EIN 37-6528633 Since 2013
Revenue (FY2024)
$368K
▲ 83.4% vs prior year
Philanthropy median: $168K
Expenses (FY2024)
$352K
Net assets
$4.4M
Employees
—
CharityIndex rating
One independent A+ to F grade from four published criteria, each scored separately from IRS filings and combined by weight.
C+
—Program efficiency40% of the ratingNo expense breakdown in filings
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 Marie & Mayer Winkler Peter C & Helen D Johannes Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
B+Financial health25% of the rating150 mo reserves · +4% margin
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 Marie & Mayer Winkler Peter C & Helen D Johannes Foundation: 150 mo reserves · +4% margin earns a B+ on this criterion. See the exact thresholds →
—Governance25% of the ratingNot reported in this filing type
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 Marie & Mayer Winkler Peter C & Helen D Johannes Foundation— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
DTransparency10% of the rating1 of 5 disclosure signals
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 Marie & Mayer Winkler Peter C & Helen D Johannes Foundation: 1 of 5 disclosure signals earns a D on this criterion. See the exact thresholds →
Show this grade on your website
A live seal — it updates automatically when the grade changes and links donors to this verified profile.
Contact & location
- Address
- Po Box 11356, Clayton, MO, 63105
- City
- Clayton
- State
- Missouri
- Subcategory
- Private Foundations
Financial trends
Revenue grew from $221K (FY2019) to $368K (FY2024) across 6 reported years.
Financial snapshot
Financial health & position (FY2024)
Liabilities $0Net assets $4.4M
Operating margin
4.4%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$4.4M
Total liabilities
$0
Net assets
$4.4M
Financials by year
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $368,035▲83.4% | $351,947▲9.1% | $4,400,742▲0.4% | $4,400,742▲0.4% | 990PF |
| 2023 | $200,639▼57.0% | $322,573▼5.2% | $4,384,647▼2.7% | $4,384,647▼2.7% | 990PF |
| 2022 | $466,856▼15.3% | $340,423▲6.1% | $4,506,605▲2.9% | $4,506,605▲2.9% | 990PF |
| 2021 | $551,432▲27.2% | $320,721▲1.9% | $4,380,172▲5.5% | $4,380,172▲5.5% | 990PF |
| 2020 | $433,555▲96.6% | $314,754▼0.7% | $4,149,889▲2.9% | $4,149,889▲2.9% | 990PF |
| 2019 | $220,501 | $317,130 | $4,031,051 | $4,031,051 | 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.
Similar organizations in Philanthropy
Compare Marie & Mayer Winkler Peter C & Helen D Johannes Foundation
Frequently asked questions
- Is Marie & Mayer Winkler Peter C & Helen D Johannes Foundation a legitimate nonprofit?
- Yes. Marie & Mayer Winkler Peter C & Helen D Johannes Foundation is a 501(c)(3) organization registered with the U.S. Internal Revenue Service under EIN 37-6528633, based in Clayton, Missouri. Donations are tax-deductible.
- What is Marie & Mayer Winkler Peter C & Helen D Johannes Foundation's EIN?
- Marie & Mayer Winkler Peter C & Helen D Johannes Foundation's Employer Identification Number (EIN) is 37-6528633.
- How much revenue does Marie & Mayer Winkler Peter C & Helen D Johannes Foundation report?
- Marie & Mayer Winkler Peter C & Helen D Johannes Foundation reported $368,035 in total revenue on its fiscal year 2024 IRS Form 990 filing.
- What financial grade does Marie & Mayer Winkler Peter C & Helen D Johannes Foundation have?
- CharityIndex grades Marie & Mayer Winkler Peter C & Helen D Johannes Foundation C+, based on financial health (reserves and operating margin).
More nonprofits in Clayton
Explore more
Data for Marie & Mayer Winkler Peter C & Helen D Johannes Foundation (EIN 37-6528633) 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.