Radation Therapy Services Inc
Plan context: 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan
EIN 65-0768951 • Fort Myers, FL • 43 filings • 9 plans
Current Snapshot
Latest Year
2024
2024 Participants
1,521
2024 Assets
$250,510,976
2024 Contributions
$17,789,568
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 2 | 1,521 | $250,510,976 | $17,789,568 | $11,696iApproximate average salary by contribution assumption: employee only about $292,399 at 4% or $194,933 at 6%; with 50% employer match about $194,933 at 4% or $129,955 at 6%; with 100% employer match about $146,200 at 4% or $97,466 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 1,521 | $250,510,976 | $17,789,568 | $11,696iApproximate average salary by contribution assumption: employee only about $292,399 at 4% or $194,933 at 6%; with 50% employer match about $194,933 at 4% or $129,955 at 6%; with 100% employer match about $146,200 at 4% or $97,466 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 1,337 | - | - | - |
| 2023 | 2 | 2,508 | $265,756,743 | $26,862,886 | $10,711iApproximate average salary by contribution assumption: employee only about $267,772 at 4% or $178,515 at 6%; with 50% employer match about $178,515 at 4% or $119,010 at 6%; with 100% employer match about $133,886 at 4% or $89,257 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 2,508 | $265,756,743 | $26,862,886 | $10,711iApproximate average salary by contribution assumption: employee only about $267,772 at 4% or $178,515 at 6%; with 50% employer match about $178,515 at 4% or $119,010 at 6%; with 100% employer match about $133,886 at 4% or $89,257 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,341 | - | - | - |
| 2022 | 2 | 2,813 | $241,323,156 | $27,907,173 | $9,921iApproximate average salary by contribution assumption: employee only about $248,020 at 4% or $165,346 at 6%; with 50% employer match about $165,346 at 4% or $110,231 at 6%; with 100% employer match about $124,010 at 4% or $82,673 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 2,813 | $241,323,156 | $27,907,173 | $9,921iApproximate average salary by contribution assumption: employee only about $248,020 at 4% or $165,346 at 6%; with 50% employer match about $165,346 at 4% or $110,231 at 6%; with 100% employer match about $124,010 at 4% or $82,673 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,786 | - | - | - |
| 2021 | 2 | 2,822 | $285,477,049 | $23,498,507 | $8,327iApproximate average salary by contribution assumption: employee only about $208,172 at 4% or $138,782 at 6%; with 50% employer match about $138,782 at 4% or $92,521 at 6%; with 100% employer match about $104,086 at 4% or $69,391 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 2,822 | $285,477,049 | $23,498,507 | $8,327iApproximate average salary by contribution assumption: employee only about $208,172 at 4% or $138,782 at 6%; with 50% employer match about $138,782 at 4% or $92,521 at 6%; with 100% employer match about $104,086 at 4% or $69,391 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,611 | - | - | - |
| 2020 | 2 | 3,098 | $251,834,494 | $23,321,511 | $7,528iApproximate average salary by contribution assumption: employee only about $188,198 at 4% or $125,465 at 6%; with 50% employer match about $125,465 at 4% or $83,644 at 6%; with 100% employer match about $94,099 at 4% or $62,733 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 3,098 | $251,834,494 | $23,321,511 | $7,528iApproximate average salary by contribution assumption: employee only about $188,198 at 4% or $125,465 at 6%; with 50% employer match about $125,465 at 4% or $83,644 at 6%; with 100% employer match about $94,099 at 4% or $62,733 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,914 | - | - | - |
| 2019 | 2 | 3,075 | $221,932,901 | $21,696,861 | $7,056iApproximate average salary by contribution assumption: employee only about $176,397 at 4% or $117,598 at 6%; with 50% employer match about $117,598 at 4% or $78,399 at 6%; with 100% employer match about $88,199 at 4% or $58,799 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 3,075 | $221,932,901 | $21,696,861 | $7,056iApproximate average salary by contribution assumption: employee only about $176,397 at 4% or $117,598 at 6%; with 50% employer match about $117,598 at 4% or $78,399 at 6%; with 100% employer match about $88,199 at 4% or $58,799 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,908 | - | - | - |
| 2018 | 2 | 3,180 | $184,720,811 | $21,540,609 | $6,774iApproximate average salary by contribution assumption: employee only about $169,344 at 4% or $112,896 at 6%; with 50% employer match about $112,896 at 4% or $75,264 at 6%; with 100% employer match about $84,672 at 4% or $56,448 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 3,180 | $184,720,811 | $21,540,609 | $6,774iApproximate average salary by contribution assumption: employee only about $169,344 at 4% or $112,896 at 6%; with 50% employer match about $112,896 at 4% or $75,264 at 6%; with 100% employer match about $84,672 at 4% or $56,448 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 3,042 | - | - | - |
| 2017 | 2 | 3,462 | $200,566,953 | $23,375,844 | $6,752iApproximate average salary by contribution assumption: employee only about $168,803 at 4% or $112,535 at 6%; with 50% employer match about $112,535 at 4% or $75,024 at 6%; with 100% employer match about $84,402 at 4% or $56,268 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 3,462 | $200,566,953 | $23,375,844 | $6,752iApproximate average salary by contribution assumption: employee only about $168,803 at 4% or $112,535 at 6%; with 50% employer match about $112,535 at 4% or $75,024 at 6%; with 100% employer match about $84,402 at 4% or $56,268 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 3,167 | - | - | - |
| 2016 | 2 | 3,559 | $166,168,980 | $27,200,088 | $7,643iApproximate average salary by contribution assumption: employee only about $191,066 at 4% or $127,377 at 6%; with 50% employer match about $127,377 at 4% or $84,918 at 6%; with 100% employer match about $95,533 at 4% or $63,689 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 3,559 | $166,168,980 | $27,200,088 | $7,643iApproximate average salary by contribution assumption: employee only about $191,066 at 4% or $127,377 at 6%; with 50% employer match about $127,377 at 4% or $84,918 at 6%; with 100% employer match about $95,533 at 4% or $63,689 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 3,166 | - | - | - |
| 2015 | 2 | 3,982 | $140,777,635 | $21,317,685 | $5,354iApproximate average salary by contribution assumption: employee only about $133,838 at 4% or $89,225 at 6%; with 50% employer match about $89,225 at 4% or $59,483 at 6%; with 100% employer match about $66,919 at 4% or $44,613 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 3,982 | $140,777,635 | $21,317,685 | $5,354iApproximate average salary by contribution assumption: employee only about $133,838 at 4% or $89,225 at 6%; with 50% employer match about $89,225 at 4% or $59,483 at 6%; with 100% employer match about $66,919 at 4% or $44,613 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,153 | - | - | - |
| 2014 | 2 | 2,829 | $127,705,908 | $19,445,111 | $6,873iApproximate average salary by contribution assumption: employee only about $171,837 at 4% or $114,558 at 6%; with 50% employer match about $114,558 at 4% or $76,372 at 6%; with 100% employer match about $85,919 at 4% or $57,279 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 2,829 | $127,705,908 | $19,445,111 | $6,873iApproximate average salary by contribution assumption: employee only about $171,837 at 4% or $114,558 at 6%; with 50% employer match about $114,558 at 4% or $76,372 at 6%; with 100% employer match about $85,919 at 4% or $57,279 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,153 | - | - | - |
| 2013 | 2 | 2,809 | $92,310,634 | $9,758,225 | $3,474iApproximate average salary by contribution assumption: employee only about $86,848 at 4% or $57,899 at 6%; with 50% employer match about $57,899 at 4% or $38,599 at 6%; with 100% employer match about $43,424 at 4% or $28,949 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 2,809 | $92,310,634 | $9,758,225 | $3,474iApproximate average salary by contribution assumption: employee only about $86,848 at 4% or $57,899 at 6%; with 50% employer match about $57,899 at 4% or $38,599 at 6%; with 100% employer match about $43,424 at 4% or $28,949 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,153 | - | - | - |
| 2012 | 2 | 2,147 | $72,619,352 | $9,759,226 | $4,546iApproximate average salary by contribution assumption: employee only about $113,638 at 4% or $75,759 at 6%; with 50% employer match about $75,759 at 4% or $50,506 at 6%; with 100% employer match about $56,819 at 4% or $37,879 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 2,147 | $72,619,352 | $9,759,226 | $4,546iApproximate average salary by contribution assumption: employee only about $113,638 at 4% or $75,759 at 6%; with 50% employer match about $75,759 at 4% or $50,506 at 6%; with 100% employer match about $56,819 at 4% or $37,879 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 2,049 | - | - | - |
| 2011 | 2 | 1,890 | $59,299,828 | $7,915,867 | $4,188iApproximate average salary by contribution assumption: employee only about $104,707 at 4% or $69,805 at 6%; with 50% employer match about $69,805 at 4% or $46,537 at 6%; with 100% employer match about $52,354 at 4% or $34,902 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 1,890 | $59,299,828 | $7,915,867 | $4,188iApproximate average salary by contribution assumption: employee only about $104,707 at 4% or $69,805 at 6%; with 50% employer match about $69,805 at 4% or $46,537 at 6%; with 100% employer match about $52,354 at 4% or $34,902 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 1,126 | - | - | - |
| 2010 | 1 | 1,736 | $56,212,534 | $8,708,463 | $5,016iApproximate average salary by contribution assumption: employee only about $125,410 at 4% or $83,607 at 6%; with 50% employer match about $83,607 at 4% or $55,738 at 6%; with 100% employer match about $62,705 at 4% or $41,803 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 1,736 | $56,212,534 | $8,708,463 | $5,016iApproximate average salary by contribution assumption: employee only about $125,410 at 4% or $83,607 at 6%; with 50% employer match about $83,607 at 4% or $55,738 at 6%; with 100% employer match about $62,705 at 4% or $41,803 at 6%. |
| 2009 | 2 | 1,749 | $43,853,269 | $7,490,065 | $4,282iApproximate average salary by contribution assumption: employee only about $107,062 at 4% or $71,375 at 6%; with 50% employer match about $71,375 at 4% or $47,583 at 6%; with 100% employer match about $53,531 at 4% or $35,687 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 1,749 | $43,853,269 | $7,490,065 | $4,282iApproximate average salary by contribution assumption: employee only about $107,062 at 4% or $71,375 at 6%; with 50% employer match about $71,375 at 4% or $47,583 at 6%; with 100% employer match about $53,531 at 4% or $35,687 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 1,464 | - | - | - |
| 2008 | 1 | 1,638 | $32,940,602 | $6,747,231 | $4,119iApproximate average salary by contribution assumption: employee only about $102,980 at 4% or $68,653 at 6%; with 50% employer match about $68,653 at 4% or $45,769 at 6%; with 100% employer match about $51,490 at 4% or $34,327 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 1,638 | $32,940,602 | $6,747,231 | $4,119iApproximate average salary by contribution assumption: employee only about $102,980 at 4% or $68,653 at 6%; with 50% employer match about $68,653 at 4% or $45,769 at 6%; with 100% employer match about $51,490 at 4% or $34,327 at 6%. |
| 2007 | 2 | 1,216 | $40,238,606 | $6,697,846 | $5,508iApproximate average salary by contribution assumption: employee only about $137,702 at 4% or $91,802 at 6%; with 50% employer match about $91,802 at 4% or $61,201 at 6%; with 100% employer match about $68,851 at 4% or $45,901 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 1,216 | $40,238,606 | $6,697,846 | $5,508iApproximate average salary by contribution assumption: employee only about $137,702 at 4% or $91,802 at 6%; with 50% employer match about $91,802 at 4% or $61,201 at 6%; with 100% employer match about $68,851 at 4% or $45,901 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 1,124 | - | - | - |
| 2006 | 2 | 980 | $31,227,006 | $4,419,252 | $4,509iApproximate average salary by contribution assumption: employee only about $112,736 at 4% or $75,157 at 6%; with 50% employer match about $75,157 at 4% or $50,105 at 6%; with 100% employer match about $56,368 at 4% or $37,579 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 770 | $31,227,006 | $4,419,252 | $5,739iApproximate average salary by contribution assumption: employee only about $143,482 at 4% or $95,655 at 6%; with 50% employer match about $95,655 at 4% or $63,770 at 6%; with 100% employer match about $71,741 at 4% or $47,827 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 980 | - | - | - |
| 2005 | 2 | 845 | $23,378,324 | $4,446,187 | $5,262iApproximate average salary by contribution assumption: employee only about $131,544 at 4% or $87,696 at 6%; with 50% employer match about $87,696 at 4% or $58,464 at 6%; with 100% employer match about $65,772 at 4% or $43,848 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 618 | $23,378,324 | $4,446,187 | $7,194iApproximate average salary by contribution assumption: employee only about $179,862 at 4% or $119,908 at 6%; with 50% employer match about $119,908 at 4% or $79,939 at 6%; with 100% employer match about $89,931 at 4% or $59,954 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 845 | - | - | - |
| 2004 | 2 | 657 | $17,942,255 | $2,683,872 | $4,085iApproximate average salary by contribution assumption: employee only about $102,126 at 4% or $68,084 at 6%; with 50% employer match about $68,084 at 4% or $45,389 at 6%; with 100% employer match about $51,063 at 4% or $34,042 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 529 | $17,942,255 | $2,683,872 | $5,073iApproximate average salary by contribution assumption: employee only about $126,837 at 4% or $84,558 at 6%; with 50% employer match about $84,558 at 4% or $56,372 at 6%; with 100% employer match about $63,419 at 4% or $42,279 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 657 | - | - | - |
| 2003 | 2 | 547 | $14,671,726 | $1,876,648 | $3,431iApproximate average salary by contribution assumption: employee only about $85,770 at 4% or $57,180 at 6%; with 50% employer match about $57,180 at 4% or $38,120 at 6%; with 100% employer match about $42,885 at 4% or $28,590 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 362 | $14,671,726 | $1,876,648 | $5,184iApproximate average salary by contribution assumption: employee only about $129,603 at 4% or $86,402 at 6%; with 50% employer match about $86,402 at 4% or $57,601 at 6%; with 100% employer match about $64,801 at 4% or $43,201 at 6%. |
| Radiation Therapy Health & Welfare Plan | - | 547 | - | - | - |
| 2002 | 1 | 314 | $11,741,016 | $1,948,716 | $6,206iApproximate average salary by contribution assumption: employee only about $155,153 at 4% or $103,435 at 6%; with 50% employer match about $103,435 at 4% or $68,957 at 6%; with 100% employer match about $77,576 at 4% or $51,718 at 6%. |
| 21St Century Oncology Inc. Profit Sharing 401(K) Retirement Plan | - | 314 | $11,741,016 | $1,948,716 | $6,206iApproximate average salary by contribution assumption: employee only about $155,153 at 4% or $103,435 at 6%; with 50% employer match about $103,435 at 4% or $68,957 at 6%; with 100% employer match about $77,576 at 4% or $51,718 at 6%. |