Mercury Systems, Inc.401(k)

Mercury Systems, Inc.'s 2024 Form 5500 did not separately report plan administrative expenses, which is common where recordkeeping is paid through investment revenue-sharing or a master trust. The plan held $475,597,179 across 3,284 participant accounts, with employer contributions averaging $7,033 per active participant. See methodology for what Form 5500 does and doesn't capture.

Across the 1 year on file its reported administrative ratio rose from 0.01% to 0.02%. The plan sits in the $250M–$1B size bracket, benchmarked here against 2,883 comparable plans and shown alongside other professional & technical services employers. By assets it is the 123rd-largest of 2,726 plans among Massachusetts employers on file, and the 369th of 11,654 in professional & technical services. In 2024, employees put in $1.71 for every $1.00 the employer contributed.