401(k) · DOL Form 5500 · 2024
Allegro Microsystems 401(k) Plan
Data updated 2026-08-25
- $252M
- Total assets Near avg plan size
- 716
- Participants Below avg headcount
- 95th
- Percentile by assets National rank
- $351,708
- Avg per participant High balance/head
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.
- #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.
- #16,444
- in Manufacturing (17,777 peers)
- +7.3%
- assets growth YoY
- 2.5×
- vs typical plan assets (national mean)
Allegro Microsystems, LLC Employees' Retirement Savings Plan's outsized position by total assets
Allegro Microsystems, LLC Employees' Retirement Savings Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$251,822,857 Top 5% higher than 95% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Allegro Microsystems, LLC Employees' Retirement Savings Plan among mid-size filed plans by headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Allegro Microsystems, LLC Employees' Retirement Savings Plan sits mid-pack in the medium band (716 participants).
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.
Plan-year Form 5500 strip
Filing strip 223056180 · Allegro Microsystems PY 2024 · 401(k)
Allegro Microsystems, LLC Employees' Retirement Savings Plan · $252M · 716 · 95th
- EOY $252M
- EOY 716
- EOY 95th
- EOY 401(k)
- EOY near Aramark Hourly 401(k) Plan
- EOY ind #16444
Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in New Hampshire →
Allegro Microsystems, LLC Employees' Retirement Savings Plan in the asset neighbourhood
New Hampshire filing particulars
| Total Assets (Beginning of Year) | $235M |
|---|---|
| Net Assets (End of Year) | $252M |
| Net Income | $17M |
| Employer EIN | 223056180 |
| Plan Effective Date | 1991-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Allegro Microsystems)
Sponsor-wide plan assets over time
All Allegro Microsystems plans reported in each filing year
- Latest sponsor-wide plan assets
- $252M 28.253702788357266% vs 2022
- 2024 filing year
| 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.
- C&s and Affiliates 401(k) Savings Plan (a) $671M · 11,041
- Ams Osram Savings Plan $487M · 961
- Albany International Corp. Prosperity Plus Savings Plan $481M · 1,909
- Connection Employee 401(k) and Profit Sharing Plan $439M · 2,733
- Coca Cola Beverages Northeast, Inc. Incentive Savings Plan $400M · 2,821
Allegro Microsystems, LLC Employees' Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount
Outside New Hampshire, the nearest 401(k) by assets is Aramark Hourly 401(k) Plan in PA ($252M); by covered participants it is Toa (USA) 401(k) Plan in IN (716 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($252M here).
- Aramark Hourly 401(k) Plan (PA) $252M · 84,306
- Mckinstry Co. Profit Sharing and 401(k) Plan (WA) $252M · 1,328
- Ameresco, Inc. 401(k) Plan (MA) $252M · 1,241
- Ferrell Companies, Inc. 401(k) Investment Plan (MO) $252M · 4,453
Similar participant headcount
Nearest other-state filings by covered participants (716 participants); asset peers above are excluded.
- Toa (USA) 401(k) Plan (IN) 716 · 0 off
- Blarney Castle Oil Co. 401(k) Plan (MI) 716 · 0 off
- Main Street Rural Health LLC 401(k) Plan (TN) 716 · 0 off
- Employers Insurance Company of Nevada 401(k) Retirement Plan (NV) 716 · 0 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.