Admithub Pbc, dba Mainstay401(k)
ADMITHUB 401(K) PLAN · BOSTON, MA · plan year 2024
Peer grade: A · admin costs + employer contributions vs same-size plans · how grading works
Admithub Pbc, dba Mainstay reported $5,423 in plan administrative expenses for 2024: 0.14% of average plan assets, lower than ~75% of peers. Employer contributions averaged $4,807 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.
Across the 1 year on file its reported administrative ratio fell from 0.16% to 0.14%. The plan sits in the $1M–$10M size bracket, benchmarked here against 18,840 comparable plans and shown alongside other retail trade employers. By assets it is among the smaller plans on file in Massachusetts (2,395th of 2,726), and 4,018th of 5,215 in retail trade. In 2024, employees put in $2.56 for every $1.00 the employer contributed.
Admithub Pbc, dba Mainstay's 2024 employer contribution ran above the $1,313 median for plans its size, placing it in the top quarter of its peers. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.
Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.
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Source: U.S. Department of Labor, Form 5500 series, EIN 465681542 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.