401(k) · DOL Form 5500 · 2024

Allegro Microsystems 401(k) Plan

Data updated 2026-08-11

$252M
Total assets
716
Participants
95th
Percentile by assets
$351,708
Avg per participant
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Official DOL plan name: Allegro Microsystems, LLC Employees' Retirement Savings Plan · Sponsored by Allegro Microsystems · New Hampshire · Manufacturing

$252M in assets, 716 participants

Allegro Microsystems's Allegro Microsystems, LLC Employees' Retirement Savings Plan reported $252M in total assets and 716 participants in its 2024 DOL Form 5500 filing, ranking in the 95th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • 95th percentile by assets (of 123,622 plans)
  • #16,444 in Manufacturing (17,777 peers)

Coverage in New Hampshire

Allegro Microsystems, LLC Employees' Retirement Savings Plan covers 716 participants in New Hampshire, 2.4x the typical New Hampshire plan (state average ~301 per filing). Assets: $252M.

$252M
total plan assets (2024 EOY)
716
covered participants
95th
percentile by assets (of 123,622 plans)
$351,708
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Allegro Microsystems, LLC Employees' Retirement Savings Plan reported net income fell from $38M in the plan year 2023 filing to $17M in the plan year 2024 filing.
  • Allegro Microsystems, LLC Employees' Retirement Savings Plan reported participants rose from 651 in the plan year 2023 filing to 716 in the plan year 2024 filing.
  • Allegro Microsystems, LLC Employees' Retirement Savings Plan end-of-year assets rose from $235M in the plan year 2023 filing to $252M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Industry

Participants vs New Hampshire filers

In New Hampshire, the average filing covers about 301 participants across 708 plans. Allegro Microsystems, LLC Employees' Retirement Savings Plan reports 716 participants - 2.4x that state average ($252M EOY assets).

New Hampshire filing particulars

Total Assets (Beginning of Year)$235M
Net Assets (End of Year)$252M
Net Income$17M
Employer EIN223056180
Plan Effective Date1991-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Allegro Microsystems)

$180M$200M$220M$240M$260M 202220232024 $196M $252M â–˛ +28.3%
Total plan assets by year, all Allegro Microsystems plans on file
Year Plans Participants Total Assets
2022 1 611 $196M
2023 1 651 $235M
2024 1 716 $252M

Nearby 401(k) Plans in New Hampshire

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Allegro Microsystems, LLC Employees' Retirement Savings Plan vs. nearby 401(k) plans in New Hampshire, assets vs. participants

Allegro Microsystems, LLC Employees' Retirement Savings Plan vs. nearby 401(k) plans in New Hampshire, assets vs. participants Scatter plot of 6 data points. 050001000015000 200300400500600700 Total assets ($M) Participants Allegro Microsystems…C&s and Affiliates 4…Ams Osram Savings PlanAlbany International…Connection Employee …Coca Cola Beverages …
Allegro Microsystems, LLC Employees' Retirement Savings Plan vs. nearby 401(k) plans in New Hampshire, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Allegro Microsystems, LLC Employees' Retirement Savings Plan by total assets, not by location.

Frequently Asked Questions

How did Allegro Microsystems, LLC Employees' Retirement Savings Plan assets move in 2024?
Allegro Microsystems, LLC Employees' Retirement Savings Plan grew at a solid clip - up 7.3% during 2024, from $235M to $252M. Reported net income was $17M.
How have Allegro Microsystems plan assets changed over time?
Across 3 plan years on file (2022-2024), Allegro Microsystems's sponsor-wide assets grew 28.3%, from $196M to $252M.
Where does Allegro Microsystems, LLC Employees' Retirement Savings Plan rank by assets among Form 5500 filers?
Allegro Microsystems, LLC Employees' Retirement Savings Plan ranks in the 95th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Allegro Microsystems, LLC Employees' Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is Aramark Hourly 401(k) Plan in PA ($252M, 84,306 participants).

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Filing takeaways

Ways to act on Allegro Microsystems, LLC Employees' Retirement Savings Plan's numbers.