MERCURY SYSTEMS, INC.
Plan context: Mercury Employees Retirement Investment Trust
EIN 04-2741391 • 45 filings • 5 plans
Current Snapshot
Latest Year
2024
2024 Participants
2,246
2024 Assets
$475,626,417
2024 Contributions
$48,141,771
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 | 2,246 | $475,626,417 | $48,141,771 | $21,434iApproximate average salary by contribution assumption: employee only about $535,861 at 4% or $357,241 at 6%; with 50% employer match about $357,241 at 4% or $238,161 at 6%; with 100% employer match about $267,931 at 4% or $178,620 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 2,246 | $475,626,417 | $48,141,771 | $21,434iApproximate average salary by contribution assumption: employee only about $535,861 at 4% or $357,241 at 6%; with 50% employer match about $357,241 at 4% or $238,161 at 6%; with 100% employer match about $267,931 at 4% or $178,620 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 2,244 | - | - | - |
| 2023 | 2 | 2,439 | $440,477,387 | $52,228,783 | $21,414iApproximate average salary by contribution assumption: employee only about $535,350 at 4% or $356,900 at 6%; with 50% employer match about $356,900 at 4% or $237,934 at 6%; with 100% employer match about $267,675 at 4% or $178,450 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 2,388 | $440,477,387 | $52,228,783 | $21,871iApproximate average salary by contribution assumption: employee only about $546,784 at 4% or $364,522 at 6%; with 50% employer match about $364,522 at 4% or $243,015 at 6%; with 100% employer match about $273,392 at 4% or $182,261 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 2,439 | - | - | - |
| 2022 | 2 | 2,337 | $369,680,179 | $45,556,418 | $19,494iApproximate average salary by contribution assumption: employee only about $487,339 at 4% or $324,892 at 6%; with 50% employer match about $324,892 at 4% or $216,595 at 6%; with 100% employer match about $243,669 at 4% or $162,446 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 2,337 | $369,680,179 | $45,556,418 | $19,494iApproximate average salary by contribution assumption: employee only about $487,339 at 4% or $324,892 at 6%; with 50% employer match about $324,892 at 4% or $216,595 at 6%; with 100% employer match about $243,669 at 4% or $162,446 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 2,337 | - | - | - |
| 2021 | 2 | 2,028 | $414,503,124 | $34,682,729 | $17,102iApproximate average salary by contribution assumption: employee only about $427,548 at 4% or $285,032 at 6%; with 50% employer match about $285,032 at 4% or $190,022 at 6%; with 100% employer match about $213,774 at 4% or $142,516 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 2,028 | $414,503,124 | $34,682,729 | $17,102iApproximate average salary by contribution assumption: employee only about $427,548 at 4% or $285,032 at 6%; with 50% employer match about $285,032 at 4% or $190,022 at 6%; with 100% employer match about $213,774 at 4% or $142,516 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 2,024 | - | - | - |
| 2020 | 2 | 1,884 | $306,682,310 | $44,730,419 | $23,742iApproximate average salary by contribution assumption: employee only about $593,557 at 4% or $395,704 at 6%; with 50% employer match about $395,704 at 4% or $263,803 at 6%; with 100% employer match about $296,778 at 4% or $197,852 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 1,884 | $306,682,310 | $44,730,419 | $23,742iApproximate average salary by contribution assumption: employee only about $593,557 at 4% or $395,704 at 6%; with 50% employer match about $395,704 at 4% or $263,803 at 6%; with 100% employer match about $296,778 at 4% or $197,852 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 1,873 | - | - | - |
| 2019 | 2 | 1,650 | $235,417,978 | $26,242,192 | $15,904iApproximate average salary by contribution assumption: employee only about $397,609 at 4% or $265,073 at 6%; with 50% employer match about $265,073 at 4% or $176,715 at 6%; with 100% employer match about $198,804 at 4% or $132,536 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 1,581 | $235,417,978 | $26,242,192 | $16,598iApproximate average salary by contribution assumption: employee only about $414,962 at 4% or $276,641 at 6%; with 50% employer match about $276,641 at 4% or $184,428 at 6%; with 100% employer match about $207,481 at 4% or $138,321 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 1,650 | - | - | - |
| 2018 | 2 | 1,287 | $173,357,266 | $25,073,865 | $19,482iApproximate average salary by contribution assumption: employee only about $487,060 at 4% or $324,707 at 6%; with 50% employer match about $324,707 at 4% or $216,471 at 6%; with 100% employer match about $243,530 at 4% or $162,353 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 1,287 | $173,357,266 | $25,073,865 | $19,482iApproximate average salary by contribution assumption: employee only about $487,060 at 4% or $324,707 at 6%; with 50% employer match about $324,707 at 4% or $216,471 at 6%; with 100% employer match about $243,530 at 4% or $162,353 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 1,084 | - | - | - |
| 2017 | 2 | 1,124 | $175,457,256 | $17,609,570 | $15,667iApproximate average salary by contribution assumption: employee only about $391,672 at 4% or $261,115 at 6%; with 50% employer match about $261,115 at 4% or $174,076 at 6%; with 100% employer match about $195,836 at 4% or $130,557 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 1,124 | $175,457,256 | $17,609,570 | $15,667iApproximate average salary by contribution assumption: employee only about $391,672 at 4% or $261,115 at 6%; with 50% employer match about $261,115 at 4% or $174,076 at 6%; with 100% employer match about $195,836 at 4% or $130,557 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 1,023 | - | - | - |
| 2016 | 2 | 996 | $141,105,194 | $17,519,705 | $17,590iApproximate average salary by contribution assumption: employee only about $439,752 at 4% or $293,168 at 6%; with 50% employer match about $293,168 at 4% or $195,445 at 6%; with 100% employer match about $219,876 at 4% or $146,584 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 996 | $141,105,194 | $17,519,705 | $17,590iApproximate average salary by contribution assumption: employee only about $439,752 at 4% or $293,168 at 6%; with 50% employer match about $293,168 at 4% or $195,445 at 6%; with 100% employer match about $219,876 at 4% or $146,584 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 909 | - | - | - |
| 2015 | 2 | 652 | $121,323,032 | $9,415,042 | $14,440iApproximate average salary by contribution assumption: employee only about $361,006 at 4% or $240,671 at 6%; with 50% employer match about $240,671 at 4% or $160,447 at 6%; with 100% employer match about $180,503 at 4% or $120,335 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 652 | $121,323,032 | $9,415,042 | $14,440iApproximate average salary by contribution assumption: employee only about $361,006 at 4% or $240,671 at 6%; with 50% employer match about $240,671 at 4% or $160,447 at 6%; with 100% employer match about $180,503 at 4% or $120,335 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 626 | - | - | - |
| 2014 | 2 | 672 | $123,981,499 | $8,756,166 | $13,030iApproximate average salary by contribution assumption: employee only about $325,750 at 4% or $217,167 at 6%; with 50% employer match about $217,167 at 4% or $144,778 at 6%; with 100% employer match about $162,875 at 4% or $108,583 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 672 | $123,981,499 | $8,756,166 | $13,030iApproximate average salary by contribution assumption: employee only about $325,750 at 4% or $217,167 at 6%; with 50% employer match about $217,167 at 4% or $144,778 at 6%; with 100% employer match about $162,875 at 4% or $108,583 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 656 | - | - | - |
| 2013 | 2 | 945 | $114,174,579 | $8,218,416 | $8,697iApproximate average salary by contribution assumption: employee only about $217,418 at 4% or $144,946 at 6%; with 50% employer match about $144,946 at 4% or $96,630 at 6%; with 100% employer match about $108,709 at 4% or $72,473 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 636 | $114,174,579 | $8,218,416 | $12,922iApproximate average salary by contribution assumption: employee only about $323,051 at 4% or $215,367 at 6%; with 50% employer match about $215,367 at 4% or $143,578 at 6%; with 100% employer match about $161,525 at 4% or $107,684 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 945 | - | - | - |
| 2012 | 2 | 615 | $97,389,010 | $8,759,156 | $14,243iApproximate average salary by contribution assumption: employee only about $356,063 at 4% or $237,376 at 6%; with 50% employer match about $237,376 at 4% or $158,250 at 6%; with 100% employer match about $178,032 at 4% or $118,688 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 615 | $97,389,010 | $8,759,156 | $14,243iApproximate average salary by contribution assumption: employee only about $356,063 at 4% or $237,376 at 6%; with 50% employer match about $237,376 at 4% or $158,250 at 6%; with 100% employer match about $178,032 at 4% or $118,688 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 496 | - | - | - |
| 2011 | 2 | 600 | $75,398,093 | $7,779,524 | $12,966iApproximate average salary by contribution assumption: employee only about $324,147 at 4% or $216,098 at 6%; with 50% employer match about $216,098 at 4% or $144,065 at 6%; with 100% employer match about $162,073 at 4% or $108,049 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 562 | $75,398,093 | $7,779,524 | $13,843iApproximate average salary by contribution assumption: employee only about $346,064 at 4% or $230,709 at 6%; with 50% employer match about $230,709 at 4% or $153,806 at 6%; with 100% employer match about $173,032 at 4% or $115,355 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 600 | - | - | - |
| 2010 | 2 | 533 | $77,800,467 | $7,152,797 | $13,420iApproximate average salary by contribution assumption: employee only about $335,497 at 4% or $223,665 at 6%; with 50% employer match about $223,665 at 4% or $149,110 at 6%; with 100% employer match about $167,749 at 4% or $111,832 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 533 | $77,800,467 | $7,152,797 | $13,420iApproximate average salary by contribution assumption: employee only about $335,497 at 4% or $223,665 at 6%; with 50% employer match about $223,665 at 4% or $149,110 at 6%; with 100% employer match about $167,749 at 4% or $111,832 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 526 | - | - | - |
| 2009 | 2 | 541 | $67,667,168 | $7,361,721 | $13,608iApproximate average salary by contribution assumption: employee only about $340,190 at 4% or $226,794 at 6%; with 50% employer match about $226,794 at 4% or $151,196 at 6%; with 100% employer match about $170,095 at 4% or $113,397 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 541 | $67,667,168 | $7,361,721 | $13,608iApproximate average salary by contribution assumption: employee only about $340,190 at 4% or $226,794 at 6%; with 50% employer match about $226,794 at 4% or $151,196 at 6%; with 100% employer match about $170,095 at 4% or $113,397 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 503 | - | - | - |
| 2008 | 2 | 554 | $51,543,097 | $7,886,344 | $14,235iApproximate average salary by contribution assumption: employee only about $355,882 at 4% or $237,255 at 6%; with 50% employer match about $237,255 at 4% or $158,170 at 6%; with 100% employer match about $177,941 at 4% or $118,627 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 554 | $51,543,097 | $7,886,344 | $14,235iApproximate average salary by contribution assumption: employee only about $355,882 at 4% or $237,255 at 6%; with 50% employer match about $237,255 at 4% or $158,170 at 6%; with 100% employer match about $177,941 at 4% or $118,627 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 520 | - | - | - |
| 2007 | 2 | 687 | $79,069,744 | $8,191,601 | $11,924iApproximate average salary by contribution assumption: employee only about $298,093 at 4% or $198,729 at 6%; with 50% employer match about $198,729 at 4% or $132,486 at 6%; with 100% employer match about $149,047 at 4% or $99,364 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 617 | $79,069,744 | $8,191,601 | $13,277iApproximate average salary by contribution assumption: employee only about $331,913 at 4% or $221,275 at 6%; with 50% employer match about $221,275 at 4% or $147,517 at 6%; with 100% employer match about $165,956 at 4% or $110,638 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 687 | - | - | - |
| 2006 | 1 | 703 | $70,299,672 | $9,148,194 | $13,013iApproximate average salary by contribution assumption: employee only about $325,327 at 4% or $216,885 at 6%; with 50% employer match about $216,885 at 4% or $144,590 at 6%; with 100% employer match about $162,663 at 4% or $108,442 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 703 | $70,299,672 | $9,148,194 | $13,013iApproximate average salary by contribution assumption: employee only about $325,327 at 4% or $216,885 at 6%; with 50% employer match about $216,885 at 4% or $144,590 at 6%; with 100% employer match about $162,663 at 4% or $108,442 at 6%. |
| 2005 | 2 | 804 | $57,588,605 | $9,217,719 | $11,465iApproximate average salary by contribution assumption: employee only about $286,621 at 4% or $191,080 at 6%; with 50% employer match about $191,080 at 4% or $127,387 at 6%; with 100% employer match about $143,310 at 4% or $95,540 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 701 | $57,588,605 | $9,217,719 | $13,149iApproximate average salary by contribution assumption: employee only about $328,735 at 4% or $219,156 at 6%; with 50% employer match about $219,156 at 4% or $146,104 at 6%; with 100% employer match about $164,367 at 4% or $109,578 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 804 | - | - | - |
| 2004 | 2 | 700 | $47,064,818 | $7,652,858 | $10,933iApproximate average salary by contribution assumption: employee only about $273,316 at 4% or $182,211 at 6%; with 50% employer match about $182,211 at 4% or $121,474 at 6%; with 100% employer match about $136,658 at 4% or $91,105 at 6%. |
| Mercury Employees Retirement Investment Trust | - | 646 | $47,064,818 | $7,652,858 | $11,847iApproximate average salary by contribution assumption: employee only about $296,163 at 4% or $197,442 at 6%; with 50% employer match about $197,442 at 4% or $131,628 at 6%; with 100% employer match about $148,082 at 4% or $98,721 at 6%. |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 700 | - | - | - |
| 2003 | 1 | 580 | $0 | $0 | - |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 580 | - | - | - |
| 2002 | 1 | 571 | $0 | $0 | - |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 571 | - | - | - |
| 2001 | 1 | 463 | $0 | $0 | - |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 463 | - | - | - |
| 2000 | 1 | 491 | $0 | $0 | - |
| Mercury Computer Systems Inc. Health & Welfare Plan | - | 491 | - | - | - |