Allegro Microsystems401(k)

Peer grade: B+ · admin costs + employer contributions vs same-size plans · how grading works

Allegro Microsystems reported $192,938 in plan administrative expenses for 2025: 0.08% of average plan assets, above the peer median. Employer contributions averaged $7,984 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 4 years on file its reported administrative ratio has held roughly steady near 0.075%. The plan sits in the $250M–$1B size bracket, benchmarked here against 230 comparable plans and shown alongside other manufacturing employers. By assets it is the 16th-largest of 411 plans among New Hampshire employers on file, and the 969th of 13,661 in manufacturing. In 2025, employees put in $2.27 for every $1.00 the employer contributed; active participation has shrunk from 651 to 532 since 2022.