The Oncology Institute, Inc.
The Oncology Institute, Inc. (TOI) Number of Employees – History & Annual Headcount
Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.
SEC EDGAR · FMP · TOI · as of Mar 12, 2026
Latest filing snapshot
The Oncology Institute, Inc. (TOI) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗
TOI Employee Count
2020 – 2025 · Annual · SEC filingSource: SEC annual filings · Hover bar to view year data · Click to view original filing
Employees History
| Filing Date | Employees | Change (1Y) | Growth (1Y) | SEC filing link |
|---|---|---|---|---|
| 2026-03-12 | 641 | -184 | -22.30% | |
| 2025-03-26 | 825 | +25 | +3.13% | |
| 2024-03-28 | 800 | +50 | +6.67% | |
| 2023-03-16 | 750 | +92 | +13.98% | |
| 2022-03-11 | 658 | +655 | +21833.33% | |
| 2021-03-30 | 3 | — | — |
▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.
Related Companies — Employee Count
Medical - Care Facilities
About TOI employees
TOI Employees · Headcount
The Oncology Institute, Inc. (TOI) employee data is sourced from the annual SEC 10-K filing. As of 2025, The Oncology Institute, Inc. had 641 full-time employees globally. Full-time employees only. Global consolidated headcount.
The Oncology Institute, Inc. employs 641 full-time employees as of the latest filing within the Medical - Care Facilities industry. Revenue per employee stands at $784,289, reflecting the company's operational efficiency.
The Oncology Institute, Inc.'s workforce decreased by 184 (22.30%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.
The Oncology Institute, Inc.'s revenue per employee of $784,289 positions it among the notable performers in the Medical - Care Facilities sector for operational efficiency.
Frequently Asked Questions
TOI Employees · 5 questionsAs of the latest SEC 10-K filing (2025), The Oncology Institute, Inc. had 641 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.
▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-03-12