Society of Thoracic Surgeons
Chicago, IL 60611 · IRS data through FY2024
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2024 | $42,114,448 | $37,262,533 | $76,489,116 |
| FY2023 | $37,623,250 | $35,531,177 | $65,924,665 |
| FY2022 | $32,055,717 | $31,839,675 | $55,443,900 |
| FY2021 | $30,556,358 | $28,901,749 | $65,627,180 |
| FY2020 | $35,419,706 | $28,938,987 | $56,976,823 |
| FY2019 | $34,526,959 | $31,007,249 | $52,851,822 |
| FY2018 | $27,766,010 | $25,452,687 | $44,504,346 |
| FY2017 | $24,441,631 | $21,654,477 | $48,995,193 |
| FY2016 | $21,047,240 | $19,486,479 | $40,876,334 |
| FY2015 | $21,861,145 | $18,263,366 | $34,991,103 |
| FY2014 | $21,116,068 | $16,888,647 | $35,639,983 |
| FY2013 | $19,888,625 | $15,665,694 | $32,727,186 |
| FY2012 | $19,177,542 | $16,548,634 | $27,405,551 |
| FY2011 | $17,616,664 | $14,676,575 | $22,372,033 |
Form 990 filings
The returns filed by Society of Thoracic Surgeons (EIN 36-3022713), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $1,323,882 | 3% |
| Program service revenue | $29,849,092 | 71% |
| Other revenue | $10,941,474 | 26% |
What the numbers show
- Program service revenue made up 71% of total revenue in FY2024.
- Net assets covered about 24.6 months of expenses at the end of the reporting year.
- Total revenue rose from $17,616,664 in FY2011 to $42,114,448 in FY2024. Revenue increased in 11 and decreased in 2 of 13 year-over-year comparisons.
- Revenue covered expenses in each of the 14 reported years, FY2011 to FY2024.
- Net assets grew from $22,372,033 to $76,489,116 between FY2011 and FY2024.
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
TO IMPROVE THE LIVES OF PATIENTS WITH CARDIOTHORACIC DISEASES THROUGH LEADERSHIP, QUALITY, INNOVATION, COLLABORATION, AND INCLUSION.
IRS status
| Ruling year | 1979 |
| Subsection | 501(c)(6) |
Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
Think something here is wrong or should be removed? Use the contact form — we act on removal requests within 30 days.