Harmonix Music Systems Inc.
Plan context: Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust
EIN 04-3273499 • Boston, MA • 42 filings • 8 plans
Current Snapshot
Latest Year
2025
2025 Participants
1
2025 Assets
$24,715,857
2025 Contributions
$1,084,279
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 |
|---|---|---|---|---|---|
| 2025 | 1 | 0 | $0 | $0 | - |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 0 | - | - | - |
| 2021 | 1 | 1 | $24,715,857 | $1,084,279 | $1,084,279iApproximate average salary by contribution assumption: employee only about $27,106,975 at 4% or $18,071,317 at 6%; with 50% employer match about $18,071,317 at 4% or $12,047,544 at 6%; with 100% employer match about $13,553,488 at 4% or $9,035,658 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 1 | $24,715,857 | $1,084,279 | $1,084,279iApproximate average salary by contribution assumption: employee only about $27,106,975 at 4% or $18,071,317 at 6%; with 50% employer match about $18,071,317 at 4% or $12,047,544 at 6%; with 100% employer match about $13,553,488 at 4% or $9,035,658 at 6%. |
| 2020 | 1 | 96 | $30,977,372 | $1,232,785 | $12,842iApproximate average salary by contribution assumption: employee only about $321,038 at 4% or $214,025 at 6%; with 50% employer match about $214,025 at 4% or $142,683 at 6%; with 100% employer match about $160,519 at 4% or $107,013 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 96 | $30,977,372 | $1,232,785 | $12,842iApproximate average salary by contribution assumption: employee only about $321,038 at 4% or $214,025 at 6%; with 50% employer match about $214,025 at 4% or $142,683 at 6%; with 100% employer match about $160,519 at 4% or $107,013 at 6%. |
| 2019 | 1 | 98 | $24,892,570 | $1,217,765 | $12,426iApproximate average salary by contribution assumption: employee only about $310,654 at 4% or $207,103 at 6%; with 50% employer match about $207,103 at 4% or $138,069 at 6%; with 100% employer match about $155,327 at 4% or $103,551 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 98 | $24,892,570 | $1,217,765 | $12,426iApproximate average salary by contribution assumption: employee only about $310,654 at 4% or $207,103 at 6%; with 50% employer match about $207,103 at 4% or $138,069 at 6%; with 100% employer match about $155,327 at 4% or $103,551 at 6%. |
| 2018 | 1 | 92 | $19,655,030 | $1,147,686 | $12,475iApproximate average salary by contribution assumption: employee only about $311,871 at 4% or $207,914 at 6%; with 50% employer match about $207,914 at 4% or $138,609 at 6%; with 100% employer match about $155,936 at 4% or $103,957 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 92 | $19,655,030 | $1,147,686 | $12,475iApproximate average salary by contribution assumption: employee only about $311,871 at 4% or $207,914 at 6%; with 50% employer match about $207,914 at 4% or $138,609 at 6%; with 100% employer match about $155,936 at 4% or $103,957 at 6%. |
| 2017 | 2 | 94 | $21,414,152 | $1,305,171 | $13,885iApproximate average salary by contribution assumption: employee only about $347,120 at 4% or $231,413 at 6%; with 50% employer match about $231,413 at 4% or $154,276 at 6%; with 100% employer match about $173,560 at 4% or $115,707 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 94 | $21,414,152 | $1,305,171 | $13,885iApproximate average salary by contribution assumption: employee only about $347,120 at 4% or $231,413 at 6%; with 50% employer match about $231,413 at 4% or $154,276 at 6%; with 100% employer match about $173,560 at 4% or $115,707 at 6%. |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 89 | - | - | - |
| 2016 | 2 | 140 | $18,043,241 | $1,387,342 | $9,910iApproximate average salary by contribution assumption: employee only about $247,740 at 4% or $165,160 at 6%; with 50% employer match about $165,160 at 4% or $110,107 at 6%; with 100% employer match about $123,870 at 4% or $82,580 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 140 | $18,043,241 | $1,387,342 | $9,910iApproximate average salary by contribution assumption: employee only about $247,740 at 4% or $165,160 at 6%; with 50% employer match about $165,160 at 4% or $110,107 at 6%; with 100% employer match about $123,870 at 4% or $82,580 at 6%. |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 137 | - | - | - |
| 2015 | 3 | 114 | $16,745,905 | $1,191,305 | $10,450iApproximate average salary by contribution assumption: employee only about $261,251 at 4% or $174,167 at 6%; with 50% employer match about $174,167 at 4% or $116,112 at 6%; with 100% employer match about $130,626 at 4% or $87,084 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 114 | $16,745,905 | $1,191,305 | $10,450iApproximate average salary by contribution assumption: employee only about $261,251 at 4% or $174,167 at 6%; with 50% employer match about $174,167 at 4% or $116,112 at 6%; with 100% employer match about $130,626 at 4% or $87,084 at 6%. |
| Harmonix Employee Benefit Plan | - | 113 | - | - | - |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 110 | - | - | - |
| 2014 | 3 | 154 | $17,254,891 | $1,336,080 | $8,676iApproximate average salary by contribution assumption: employee only about $216,896 at 4% or $144,597 at 6%; with 50% employer match about $144,597 at 4% or $96,398 at 6%; with 100% employer match about $108,448 at 4% or $72,299 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 109 | $17,254,891 | $1,336,080 | $12,258iApproximate average salary by contribution assumption: employee only about $306,440 at 4% or $204,294 at 6%; with 50% employer match about $204,294 at 4% or $136,196 at 6%; with 100% employer match about $153,220 at 4% or $102,147 at 6%. |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 106 | - | - | - |
| Harmonix Employee Benefit Plan | - | 154 | - | - | - |
| 2013 | 3 | 195 | $17,003,026 | $1,948,114 | $9,990iApproximate average salary by contribution assumption: employee only about $249,758 at 4% or $166,505 at 6%; with 50% employer match about $166,505 at 4% or $111,004 at 6%; with 100% employer match about $124,879 at 4% or $83,253 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 160 | $17,003,026 | $1,948,114 | $12,176iApproximate average salary by contribution assumption: employee only about $304,393 at 4% or $202,929 at 6%; with 50% employer match about $202,929 at 4% or $135,286 at 6%; with 100% employer match about $152,196 at 4% or $101,464 at 6%. |
| Harmonix Employee Benefit Plan | - | 195 | - | - | - |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 183 | - | - | - |
| 2012 | 3 | 215 | $13,563,866 | $2,406,554 | $11,193iApproximate average salary by contribution assumption: employee only about $279,832 at 4% or $186,555 at 6%; with 50% employer match about $186,555 at 4% or $124,370 at 6%; with 100% employer match about $139,916 at 4% or $93,277 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 206 | $13,563,866 | $2,406,554 | $11,682iApproximate average salary by contribution assumption: employee only about $292,058 at 4% or $194,705 at 6%; with 50% employer match about $194,705 at 4% or $129,803 at 6%; with 100% employer match about $146,029 at 4% or $97,353 at 6%. |
| Harmonix Employee Benefit Plan | - | 215 | - | - | - |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 209 | - | - | - |
| 2011 | 3 | 218 | $10,377,593 | $2,331,171 | $10,693iApproximate average salary by contribution assumption: employee only about $267,336 at 4% or $178,224 at 6%; with 50% employer match about $178,224 at 4% or $118,816 at 6%; with 100% employer match about $133,668 at 4% or $89,112 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 218 | $10,377,593 | $2,331,171 | $10,693iApproximate average salary by contribution assumption: employee only about $267,336 at 4% or $178,224 at 6%; with 50% employer match about $178,224 at 4% or $118,816 at 6%; with 100% employer match about $133,668 at 4% or $89,112 at 6%. |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 192 | - | - | - |
| Harmonix Employee Benefit Plan | - | 181 | - | - | - |
| 2010 | 3 | 229 | $8,641,348 | $1,848,120 | $8,070iApproximate average salary by contribution assumption: employee only about $201,760 at 4% or $134,507 at 6%; with 50% employer match about $134,507 at 4% or $89,671 at 6%; with 100% employer match about $100,880 at 4% or $67,253 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 229 | $8,641,348 | $1,848,120 | $8,070iApproximate average salary by contribution assumption: employee only about $201,760 at 4% or $134,507 at 6%; with 50% employer match about $134,507 at 4% or $89,671 at 6%; with 100% employer match about $100,880 at 4% or $67,253 at 6%. |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 229 | - | - | - |
| Harmonix Employee Benefit Plan | - | 219 | - | - | - |
| 2009 | 4 | 289 | $10,468,231 | $2,574,161 | $8,907iApproximate average salary by contribution assumption: employee only about $222,678 at 4% or $148,452 at 6%; with 50% employer match about $148,452 at 4% or $98,968 at 6%; with 100% employer match about $111,339 at 4% or $74,226 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 184 | $6,623,366 | $1,774,903 | $9,646iApproximate average salary by contribution assumption: employee only about $241,155 at 4% or $160,770 at 6%; with 50% employer match about $160,770 at 4% or $107,180 at 6%; with 100% employer match about $120,578 at 4% or $80,385 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 183 | $3,844,865 | $799,258 | $4,368iApproximate average salary by contribution assumption: employee only about $109,188 at 4% or $72,792 at 6%; with 50% employer match about $72,792 at 4% or $48,528 at 6%; with 100% employer match about $54,594 at 4% or $36,396 at 6%. |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 270 | - | - | - |
| Harmonix Employee Benefit Plan | - | 289 | - | - | - |
| 2008 | 3 | 277 | $3,640,041 | $1,397,161 | $5,044iApproximate average salary by contribution assumption: employee only about $126,098 at 4% or $84,065 at 6%; with 50% employer match about $84,065 at 4% or $56,043 at 6%; with 100% employer match about $63,049 at 4% or $42,033 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 219 | $3,640,041 | $1,397,161 | $6,380iApproximate average salary by contribution assumption: employee only about $159,493 at 4% or $106,329 at 6%; with 50% employer match about $106,329 at 4% or $70,886 at 6%; with 100% employer match about $79,747 at 4% or $53,164 at 6%. |
| Harmonix Music Systems Inc. Group Benefits Plan | - | 260 | - | - | - |
| Harmonix Employee Benefit Plan | - | 277 | - | - | - |
| 2007 | 1 | 183 | $0 | $0 | - |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 183 | - | - | - |
| 2005 | 1 | 60 | $1,711,359 | $398,955 | $6,649iApproximate average salary by contribution assumption: employee only about $166,231 at 4% or $110,821 at 6%; with 50% employer match about $110,821 at 4% or $73,881 at 6%; with 100% employer match about $83,116 at 4% or $55,410 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 60 | $1,711,359 | $398,955 | $6,649iApproximate average salary by contribution assumption: employee only about $166,231 at 4% or $110,821 at 6%; with 50% employer match about $110,821 at 4% or $73,881 at 6%; with 100% employer match about $83,116 at 4% or $55,410 at 6%. |
| 2004 | 1 | 37 | $1,191,363 | $279,888 | $7,565iApproximate average salary by contribution assumption: employee only about $189,114 at 4% or $126,076 at 6%; with 50% employer match about $126,076 at 4% or $84,050 at 6%; with 100% employer match about $94,557 at 4% or $63,038 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 37 | $1,191,363 | $279,888 | $7,565iApproximate average salary by contribution assumption: employee only about $189,114 at 4% or $126,076 at 6%; with 50% employer match about $126,076 at 4% or $84,050 at 6%; with 100% employer match about $94,557 at 4% or $63,038 at 6%. |
| 2003 | 1 | 24 | $883,423 | $200,920 | $8,372iApproximate average salary by contribution assumption: employee only about $209,292 at 4% or $139,528 at 6%; with 50% employer match about $139,528 at 4% or $93,019 at 6%; with 100% employer match about $104,646 at 4% or $69,764 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 24 | $883,423 | $200,920 | $8,372iApproximate average salary by contribution assumption: employee only about $209,292 at 4% or $139,528 at 6%; with 50% employer match about $139,528 at 4% or $93,019 at 6%; with 100% employer match about $104,646 at 4% or $69,764 at 6%. |
| 2002 | 1 | 27 | $524,662 | $187,386 | $6,940iApproximate average salary by contribution assumption: employee only about $173,506 at 4% or $115,670 at 6%; with 50% employer match about $115,670 at 4% or $77,114 at 6%; with 100% employer match about $86,753 at 4% or $57,835 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 27 | $524,662 | $187,386 | $6,940iApproximate average salary by contribution assumption: employee only about $173,506 at 4% or $115,670 at 6%; with 50% employer match about $115,670 at 4% or $77,114 at 6%; with 100% employer match about $86,753 at 4% or $57,835 at 6%. |
| 2001 | 1 | 18 | $449,556 | $150,727 | $8,374iApproximate average salary by contribution assumption: employee only about $209,343 at 4% or $139,562 at 6%; with 50% employer match about $139,562 at 4% or $93,041 at 6%; with 100% employer match about $104,672 at 4% or $69,781 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 18 | $449,556 | $150,727 | $8,374iApproximate average salary by contribution assumption: employee only about $209,343 at 4% or $139,562 at 6%; with 50% employer match about $139,562 at 4% or $93,041 at 6%; with 100% employer match about $104,672 at 4% or $69,781 at 6%. |
| 2000 | 1 | 13 | $0 | $0 | - |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 13 | - | - | - |
| 1999 | 1 | 14 | $324,959 | $178,788 | $12,771iApproximate average salary by contribution assumption: employee only about $319,264 at 4% or $212,843 at 6%; with 50% employer match about $212,843 at 4% or $141,895 at 6%; with 100% employer match about $159,632 at 4% or $106,421 at 6%. |
| Harmonix Music Systems Inc. 401(K) Profit Sharing Plan & Trust | - | 14 | $324,959 | $178,788 | $12,771iApproximate average salary by contribution assumption: employee only about $319,264 at 4% or $212,843 at 6%; with 50% employer match about $212,843 at 4% or $141,895 at 6%; with 100% employer match about $159,632 at 4% or $106,421 at 6%. |