401(k) · DOL Form 5500 · 2022

Safety Insurance Company 401(k) Plan

Data updated 2026-08-25

$156M
Total assets Near avg plan size
558
Participants Below avg headcount
95th
Percentile by assets National rank
$279,666
Avg per participant High balance/head
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Official DOL plan name: Safety Insurance Company 401(k) Retirement Plan · Sponsored by Safety Insurance Company · Massachusetts · Finance & Insurance

$156M in assets, 558 participants

Safety Insurance Company's Safety Insurance Company 401(k) Retirement Plan reported $156M in total assets and 558 participants in its 2022 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.

  • #8,451 in Finance & Insurance (9,261 peers)

Where Safety Insurance Company 401(k) Retirement Plan sits by assets

Safety Insurance Company 401(k) Retirement Plan sits in the top 5% of all filed plans by assets, $156M for 558 participants (~$279,666/participant), down 19.1% in 2022.

#8,451
in Finance & Insurance (9,261 peers)
-19.1%
assets change YoY
1.6×
vs typical plan assets (national mean)

The plan reported a net loss of $37M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Safety Insurance Company 401(k) Retirement Plan's outsized position by total assets

Safety Insurance Company 401(k) Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$156,053,448 Top 5% higher than 95% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

Safety Insurance Company 401(k) Retirement Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Safety Insurance Company 401(k) Retirement Plan sits mid-pack in the medium band (558 participants).

Published 5500 schedule card

Filing strip 042689624 · Safety Insurance Company PY 2022 · 401(k)

Safety Insurance Company 401(k) Retirement Plan · $156M · 558 · 95th

  • PCT $156M
  • PCT 558
  • PCT 95th
  • PCT 401(k)
  • PCT near Sick USA Retirement Savings Plan
  • PCT ind #8451

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 Finance & Insurance retirement plans → · Plans in Massachusetts →

Safety Insurance Company 401(k) Retirement Plan in the asset neighbourhood

Mayer Electric Supply Co Inc Assoc Capital AccumulMayer Electric Supply Co Inc…$156MSafety Insurance Company 401(k) Retirement PlanSafety Insurance Company 401…$156MSick USA Retirement Savings PlanSick USA Retirement Savings …$156MSavings Plan for Transcontinental US, LLC and Certain of Its AffiliatesSavings Plan for Transcontin…$156MDorman Products, Inc. 401(k) Retirement Plan & TrustDorman Products, Inc. 401(k)…$156M
End-of-year total assets ($M) among Safety Insurance Company 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$193M
Net Assets (End of Year)$156M
Net Income-$37M
Employer EIN042689624
Plan Effective Date1972-11-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Safety Insurance Company)

Sponsor-wide plan assets over time

All Safety Insurance Company plans reported in each filing year

Latest sponsor-wide plan assets
$206M 31.876692657249073% vs 2022
2024 filing year
$140M$160M$180M$200M$220M 202220232024 $156M $206M ▲ +31.9%
Year Plans Participants Total Assets
2022 1 558 $156M
2023 1 539 $186M
2024 1 595 $206M

Nearby 401(k) Plans in Massachusetts

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

Safety Insurance Company 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -100102030 Total assets ($B) Participants Safety Insurance Company 401(k) Retirement Plan, Total assets ($B): 0.156053448 · Participants: 558Safety Insurance Company 401(k) Retirement PlanFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Safety Insurance Company 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Safety Insurance Company 401(k) Retirement Plan side-by-side with 3 peers →

Safety Insurance Company 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Sick USA Retirement Savings Plan in MN ($156M); by covered participants it is Mile Square Transportation, Inc. 401(k)/Profit Sharing Trust in OH (558 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (558 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Safety Insurance Company 401(k) Retirement Plan assets move in 2022? ▼
Safety Insurance Company 401(k) Retirement Plan declined sharply - down 19.1% during 2022, from $193M to $156M. Reported net income was -$37M.
How have Safety Insurance Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Safety Insurance Company's sponsor-wide assets grew 31.9%, from $156M to $206M.
Where does Safety Insurance Company 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Safety Insurance Company 401(k) Retirement Plan ranks in the 95th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Safety Insurance Company 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Sick USA Retirement Savings Plan in MN ($156M, 794 participants).
Which 401(k) plans cover a similar participant headcount to Safety Insurance Company 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Mile Square Transportation, Inc. 401(k)/Profit Sharing Trust in OH (558 participants, $893K in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042689624.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.