# 21st Century Oncology Holdings, Inc.

21st Century Oncology Holdings, Inc. is a company headquartered in Fort Myers, FL, United States.

## Company overview

- **Legal name:** 21st Century Oncology Holdings, Inc.
- **Former names in filing history:** Radiation Therapy Services Holdings, Inc. (2010-11-24 to 2013-11-14)
- **Classification:** Company
- **Industry (SIC):** 8011 — Services-Offices & Clinics of Doctors of Medicine
- **Headquarters:** Fort Myers, FL, United States
- **Incorporated in:** DE
- **Fiscal year end:** December 31
- **SEC CIK:** 0001503518

## About

21st Century Oncology Holdings, Inc. is identified in the retained SEC EDGAR snapshot dated 2026-10-14. Its SEC Central Index Key is 0001503518, and its reported industry is Services-Offices & Clinics of Doctors of Medicine. In 10-K filed on 2016-08-23, it reported net income of USD -134,849,000; total assets of USD 1,128,244,000 for the fiscal period ended 2015-12-31. The financial history preserves reporting periods, currencies, filing accessions and source provenance. Figures are reported filing data, rather than real-time estimates.

## Financials

Annual figures as originally reported. Currency is shown for each fiscal year; B means billion and M means million.

### FY2015 (period ended 2015-12-31)

- **Net income:** -$134.8M (USD -134,849,000)
- **Total assets:** $1.1B (USD 1,128,244,000)
- **Cash and equivalents:** $65.2M (USD 65,211,000)
- **Later filings:** Total assets: shown as originally filed; later filings report different values for the same periods.

### FY2014 (period ended 2014-12-31)

- **Net income:** -$349.3M (USD -349,250,000)
- **Total assets:** $1.1B (USD 1,146,724,000)
- **Cash and equivalents:** $99.2M (USD 99,167,000)
- **Later filings:** Net income, Total assets, Cash and equivalents: shown as originally filed; later filings report different values for the same periods.

### FY2013 (period ended 2013-12-31)

- **Net income:** -$80.2M (USD -80,214,000)
- **Total assets:** $1.1B (USD 1,128,191,000)
- **Cash and equivalents:** $17.5M (USD 17,462,000)
- **Later filings:** Net income, Total assets, Cash and equivalents: shown as originally filed; later filings report different values for the same periods.

## Recent SEC filings

- Form 8-K — filed 2017-05-25 — period 2017-05-25 — 8-K
- Form 8-K — filed 2017-03-09 — period 2017-03-06 — 8-K
- Form 8-K — filed 2017-03-01 — period 2017-02-26 — 8-K
- Form 8-K — filed 2017-02-02 — period 2017-01-31 — 8-K
- Form 8-K — filed 2017-01-26 — period 2017-01-23 — 8-K
- Form 8-K — filed 2017-01-17 — period 2017-01-15 — 8-K
- Form 8-K — filed 2016-12-16 — period 2016-12-15 — 8-K
- Form 8-K — filed 2016-12-07 — period 2016-12-06 — 8-K
- Form 8-K — filed 2016-12-05 — period 2016-11-29 — 8-K
- Form 8-K — filed 2016-11-14 — period 2016-11-14 — 8-K
- Form 10-Q — filed 2016-11-14 — period 2016-09-30 — 10-Q
- Form 8-K — filed 2016-11-01 — period 2016-11-01 — 8-K

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Updated: 2026-10-23T20:10:52Z

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