Ion Trading Inc.
Plan context: Ion Trading Inc. 401(K) Plan
EIN 36-3080374 • New York, NY • 51 filings • 12 plans
Current Snapshot
Latest Year
2024
2024 Participants
1,293
2024 Assets
$565,419,031
2024 Contributions
$25,327,658
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 | 1,293 | $565,419,031 | $25,327,658 | $19,588iApproximate average salary by contribution assumption: employee only about $489,707 at 4% or $326,471 at 6%; with 50% employer match about $326,471 at 4% or $217,648 at 6%; with 100% employer match about $244,854 at 4% or $163,236 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 1,280 | $565,419,031 | $25,327,658 | $19,787iApproximate average salary by contribution assumption: employee only about $494,681 at 4% or $329,787 at 6%; with 50% employer match about $329,787 at 4% or $219,858 at 6%; with 100% employer match about $247,340 at 4% or $164,894 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 1,293 | - | - | - |
| 2023 | 2 | 1,354 | $512,433,174 | $25,791,436 | $19,048iApproximate average salary by contribution assumption: employee only about $476,208 at 4% or $317,472 at 6%; with 50% employer match about $317,472 at 4% or $211,648 at 6%; with 100% employer match about $238,104 at 4% or $158,736 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 1,354 | $512,433,174 | $25,791,436 | $19,048iApproximate average salary by contribution assumption: employee only about $476,208 at 4% or $317,472 at 6%; with 50% employer match about $317,472 at 4% or $211,648 at 6%; with 100% employer match about $238,104 at 4% or $158,736 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 1,200 | - | - | - |
| 2022 | 2 | 1,231 | $424,502,486 | $21,968,710 | $17,846iApproximate average salary by contribution assumption: employee only about $446,156 at 4% or $297,437 at 6%; with 50% employer match about $297,437 at 4% or $198,291 at 6%; with 100% employer match about $223,078 at 4% or $148,719 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 1,231 | $424,502,486 | $21,968,710 | $17,846iApproximate average salary by contribution assumption: employee only about $446,156 at 4% or $297,437 at 6%; with 50% employer match about $297,437 at 4% or $198,291 at 6%; with 100% employer match about $223,078 at 4% or $148,719 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 1,164 | - | - | - |
| 2021 | 2 | 1,273 | $529,290,822 | $22,887,316 | $17,979iApproximate average salary by contribution assumption: employee only about $449,476 at 4% or $299,651 at 6%; with 50% employer match about $299,651 at 4% or $199,767 at 6%; with 100% employer match about $224,738 at 4% or $149,825 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 1,273 | $529,290,822 | $22,887,316 | $17,979iApproximate average salary by contribution assumption: employee only about $449,476 at 4% or $299,651 at 6%; with 50% employer match about $299,651 at 4% or $199,767 at 6%; with 100% employer match about $224,738 at 4% or $149,825 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 1,048 | - | - | - |
| 2020 | 2 | 1,213 | $234,366,260 | $10,970,428 | $9,044iApproximate average salary by contribution assumption: employee only about $226,101 at 4% or $150,734 at 6%; with 50% employer match about $150,734 at 4% or $100,489 at 6%; with 100% employer match about $113,051 at 4% or $75,367 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 747 | $234,366,260 | $10,970,428 | $14,686iApproximate average salary by contribution assumption: employee only about $367,150 at 4% or $244,766 at 6%; with 50% employer match about $244,766 at 4% or $163,178 at 6%; with 100% employer match about $183,575 at 4% or $122,383 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 1,213 | - | - | - |
| 2019 | 2 | 792 | $112,763,083 | $5,818,947 | $7,347iApproximate average salary by contribution assumption: employee only about $183,679 at 4% or $122,453 at 6%; with 50% employer match about $122,453 at 4% or $81,635 at 6%; with 100% employer match about $91,839 at 4% or $61,226 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 459 | $112,763,083 | $5,818,947 | $12,677iApproximate average salary by contribution assumption: employee only about $316,936 at 4% or $211,291 at 6%; with 50% employer match about $211,291 at 4% or $140,860 at 6%; with 100% employer match about $158,468 at 4% or $105,645 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 792 | - | - | - |
| 2018 | 3 | 559 | $95,401,474 | $6,846,260 | $12,247iApproximate average salary by contribution assumption: employee only about $306,183 at 4% or $204,122 at 6%; with 50% employer match about $204,122 at 4% or $136,081 at 6%; with 100% employer match about $153,092 at 4% or $102,061 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 523 | $92,469,014 | $6,593,240 | $12,607iApproximate average salary by contribution assumption: employee only about $315,164 at 4% or $210,110 at 6%; with 50% employer match about $210,110 at 4% or $140,073 at 6%; with 100% employer match about $157,582 at 4% or $105,055 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 42 | $2,932,460 | $253,020 | $6,024iApproximate average salary by contribution assumption: employee only about $150,607 at 4% or $100,405 at 6%; with 50% employer match about $100,405 at 4% or $66,937 at 6%; with 100% employer match about $75,304 at 4% or $50,202 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 559 | - | - | - |
| 2017 | 4 | 555 | $106,955,852 | $5,507,359 | $9,923iApproximate average salary by contribution assumption: employee only about $248,079 at 4% or $165,386 at 6%; with 50% employer match about $165,386 at 4% or $110,257 at 6%; with 100% employer match about $124,040 at 4% or $82,693 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 515 | $106,955,852 | $5,298,922 | $10,289iApproximate average salary by contribution assumption: employee only about $257,229 at 4% or $171,486 at 6%; with 50% employer match about $171,486 at 4% or $114,324 at 6%; with 100% employer match about $128,615 at 4% or $85,743 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 0 | $0 | $76,878 | - |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 555 | - | - | - |
| Ion Trading Inc. 401(K) Plan | - | 0 | - | $131,559 | - |
| 2016 | 3 | 288 | $22,997,310 | $6,804,525 | $23,627iApproximate average salary by contribution assumption: employee only about $590,671 at 4% or $393,780 at 6%; with 50% employer match about $393,780 at 4% or $262,520 at 6%; with 100% employer match about $295,335 at 4% or $196,890 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 72 | $19,752,793 | $6,565,240 | $91,184iApproximate average salary by contribution assumption: employee only about $2,279,597 at 4% or $1,519,731 at 6%; with 50% employer match about $1,519,731 at 4% or $1,013,154 at 6%; with 100% employer match about $1,139,799 at 4% or $759,866 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 43 | $3,244,517 | $239,285 | $5,565iApproximate average salary by contribution assumption: employee only about $139,119 at 4% or $92,746 at 6%; with 50% employer match about $92,746 at 4% or $61,831 at 6%; with 100% employer match about $69,560 at 4% or $46,373 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 288 | - | - | - |
| 2015 | 3 | 289 | $16,764,280 | $295,859 | $1,024iApproximate average salary by contribution assumption: employee only about $25,593 at 4% or $17,062 at 6%; with 50% employer match about $17,062 at 4% or $11,375 at 6%; with 100% employer match about $12,797 at 4% or $8,531 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 82 | $13,644,014 | $7,604 | $93iApproximate average salary by contribution assumption: employee only about $2,318 at 4% or $1,546 at 6%; with 50% employer match about $1,546 at 4% or $1,030 at 6%; with 100% employer match about $1,159 at 4% or $773 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 46 | $3,120,266 | $288,255 | $6,266iApproximate average salary by contribution assumption: employee only about $156,660 at 4% or $104,440 at 6%; with 50% employer match about $104,440 at 4% or $69,627 at 6%; with 100% employer match about $78,330 at 4% or $52,220 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 289 | - | - | - |
| 2014 | 4 | 347 | $20,454,871 | $958,743 | $2,763iApproximate average salary by contribution assumption: employee only about $69,074 at 4% or $46,049 at 6%; with 50% employer match about $46,049 at 4% or $30,699 at 6%; with 100% employer match about $34,537 at 4% or $23,025 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 95 | $14,443,297 | $371,455 | $3,910iApproximate average salary by contribution assumption: employee only about $97,751 at 4% or $65,168 at 6%; with 50% employer match about $65,168 at 4% or $43,445 at 6%; with 100% employer match about $48,876 at 4% or $32,584 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 46 | $3,005,787 | $293,644 | $6,384iApproximate average salary by contribution assumption: employee only about $159,589 at 4% or $106,393 at 6%; with 50% employer match about $106,393 at 4% or $70,929 at 6%; with 100% employer match about $79,795 at 4% or $53,196 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 46 | $3,005,787 | $293,644 | $6,384iApproximate average salary by contribution assumption: employee only about $159,589 at 4% or $106,393 at 6%; with 50% employer match about $106,393 at 4% or $70,929 at 6%; with 100% employer match about $79,795 at 4% or $53,196 at 6%. |
| Ion Trading Health and Welfare Wrap Benefit Plan | - | 347 | - | - | - |
| 2013 | 1 | 42 | $2,932,460 | $253,020 | $6,024iApproximate average salary by contribution assumption: employee only about $150,607 at 4% or $100,405 at 6%; with 50% employer match about $100,405 at 4% or $66,937 at 6%; with 100% employer match about $75,304 at 4% or $50,202 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 42 | $2,932,460 | $253,020 | $6,024iApproximate average salary by contribution assumption: employee only about $150,607 at 4% or $100,405 at 6%; with 50% employer match about $100,405 at 4% or $66,937 at 6%; with 100% employer match about $75,304 at 4% or $50,202 at 6%. |
| 2012 | 2 | 65 | $13,780,941 | $614,940 | $9,461iApproximate average salary by contribution assumption: employee only about $236,515 at 4% or $157,677 at 6%; with 50% employer match about $157,677 at 4% or $105,118 at 6%; with 100% employer match about $118,258 at 4% or $78,838 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 65 | $11,445,035 | $324,985 | $5,000iApproximate average salary by contribution assumption: employee only about $124,994 at 4% or $83,329 at 6%; with 50% employer match about $83,329 at 4% or $55,553 at 6%; with 100% employer match about $62,497 at 4% or $41,665 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 43 | $2,335,906 | $289,955 | $6,743iApproximate average salary by contribution assumption: employee only about $168,578 at 4% or $112,386 at 6%; with 50% employer match about $112,386 at 4% or $74,924 at 6%; with 100% employer match about $84,289 at 4% or $56,193 at 6%. |
| 2011 | 2 | 68 | $11,118,375 | $658,076 | $9,678iApproximate average salary by contribution assumption: employee only about $241,940 at 4% or $161,293 at 6%; with 50% employer match about $161,293 at 4% or $107,529 at 6%; with 100% employer match about $120,970 at 4% or $80,647 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 68 | $9,247,452 | $349,858 | $5,145iApproximate average salary by contribution assumption: employee only about $128,624 at 4% or $85,750 at 6%; with 50% employer match about $85,750 at 4% or $57,166 at 6%; with 100% employer match about $64,312 at 4% or $42,875 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 45 | $1,870,923 | $308,218 | $6,849iApproximate average salary by contribution assumption: employee only about $171,232 at 4% or $114,155 at 6%; with 50% employer match about $114,155 at 4% or $76,103 at 6%; with 100% employer match about $85,616 at 4% or $57,077 at 6%. |
| 2010 | 2 | 70 | $10,104,109 | $711,579 | $10,165iApproximate average salary by contribution assumption: employee only about $254,135 at 4% or $169,424 at 6%; with 50% employer match about $169,424 at 4% or $112,949 at 6%; with 100% employer match about $127,068 at 4% or $84,712 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 70 | $8,215,940 | $375,202 | $5,360iApproximate average salary by contribution assumption: employee only about $134,001 at 4% or $89,334 at 6%; with 50% employer match about $89,334 at 4% or $59,556 at 6%; with 100% employer match about $67,000 at 4% or $44,667 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 49 | $1,888,169 | $336,377 | $6,865iApproximate average salary by contribution assumption: employee only about $171,621 at 4% or $114,414 at 6%; with 50% employer match about $114,414 at 4% or $76,276 at 6%; with 100% employer match about $85,810 at 4% or $57,207 at 6%. |
| 2009 | 3 | 73 | $9,218,212 | $723,256 | $9,908iApproximate average salary by contribution assumption: employee only about $247,690 at 4% or $165,127 at 6%; with 50% employer match about $165,127 at 4% or $110,085 at 6%; with 100% employer match about $123,845 at 4% or $82,563 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 73 | $7,849,244 | $416,451 | $5,705iApproximate average salary by contribution assumption: employee only about $142,620 at 4% or $95,080 at 6%; with 50% employer match about $95,080 at 4% or $63,387 at 6%; with 100% employer match about $71,310 at 4% or $47,540 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 38 | $1,360,608 | $306,805 | $8,074iApproximate average salary by contribution assumption: employee only about $201,845 at 4% or $134,564 at 6%; with 50% employer match about $134,564 at 4% or $89,709 at 6%; with 100% employer match about $100,923 at 4% or $67,282 at 6%. |
| Ion Trading Inc. 401(K) Plan | - | 0 | $8,360 | $0 | - |
| 2008 | 2 | 72 | $8,600 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 0 | $8,600 | - | - |
| Ion Trading Inc. 401(K) Plan | - | 72 | - | - | - |
| 2007 | 1 | 79 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 79 | - | - | - |
| 2006 | 1 | 76 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 76 | - | - | - |
| 2005 | 1 | 59 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 59 | - | - | - |
| 2004 | 1 | 64 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 64 | - | - | - |
| 2003 | 1 | 74 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 74 | - | - | - |
| 2002 | 2 | 86 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 86 | - | - | - |
| Ion Trading Inc. 401(K) Plan | - | 0 | - | - | - |
| 2001 | 2 | 88 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 88 | - | - | - |
| Ion Trading Inc. 401(K) Plan | - | 22 | - | - | - |
| 2000 | 1 | 115 | $0 | $0 | - |
| Ion Trading Inc. 401(K) Plan | - | 115 | - | - | - |