42 nonprofits in Winchester, Massachusetts with $538.4M in total revenue. AI-powered transparency reports from IRS 990 data.
| # | Organization | Category | Revenue | Score | AI Insight |
|---|---|---|---|---|---|
| 1 | Winchester Hospital | Health Care | $413.4M | — | — |
| 2 | The Robert And Michelle Cooke Atchinson Foundation | Philanthropy & Grantmaking | $40.0M | — | — |
| 3 | Schools For Children Inc | Education | $19.6M | — | — |
| 4 | Winchester Country Club | Recreation & Sports | $15.0M | — | — |
| 5 | Acera School Inc | Education | $6.1M | — | — |
| 6 | Doe Family Foundation | Philanthropy & Grantmaking | $4.8M | — | — |
| 7 | Winchester Community Music School Trust | Arts, Culture & Humanities | $4.1M | — | — |
| 8 | Winchester Soccer Club | Recreation & Sports | $4.0M | — | — |
| 9 | Robsham Family Foundation | Philanthropy & Grantmaking | $2.9M | — | — |
| 10 | Winchester Boat Club | $2.2M | — | — |
Every tax-exempt nonprofit in the United States is required to file an IRS Form 990, which discloses financial details including revenue, expenses, assets, executive compensation, and program activities. NonprofitSpending uses AI to analyze these public filings and generate transparency reports for each organization.
For Winchester, Massachusetts, we track 42 registered nonprofits. Our AI enrichment process evaluates each organization's spending efficiency, revenue trends, governance practices, and mission alignment to produce a mission score and honest headline. This data helps donors, journalists, researchers, and community members make informed decisions about the nonprofits operating in their city.
Data on this page is sourced from IRS 990 filings, IRS Business Master Files, and supplemented with AI-powered analysis. Filing dates, ruling dates, and financial figures reflect the most recent available data. For the most current information on any organization, click through to its individual transparency report.
There are 42 registered nonprofits in Winchester, Massachusetts, with $538.4M in combined annual revenue and $0 in total assets.
The largest nonprofit in Winchester by revenue is Winchester Hospital with $413.4M in annual revenue.
The most common categories in Winchester are Philanthropy & Grantmaking, Education, Human Services.
Spending efficiency data is being compiled for nonprofits in Winchester.
Executive compensation data is being compiled for nonprofits in Winchester.
You can research any nonprofit in Winchester by clicking on its name above to view its full AI-powered transparency report. Each report includes IRS 990 financial data, spending breakdowns, executive compensation, revenue trends, and AI-generated risk assessments based on publicly available filings.