401(k) · DOL Form 5500 · 2023

Safety Insurance Company 401(k) Plan

Data updated 2026-08-11

$186M
Total assets
539
Participants
94th
Percentile by assets
$344,443
Avg per participant
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Official DOL plan name: Safety Insurance Company 401(k) Retirement Plan · Sponsored by Safety Insurance Company · Massachusetts · Finance & Insurance

$186M in assets, 539 participants

Safety Insurance Company's Safety Insurance Company 401(k) Retirement Plan reported $186M in total assets and 539 participants in its 2023 DOL Form 5500 filing, ranking in the 94th 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.

  • 94th percentile by assets (of 127,072 plans)
  • #8,087 in Finance & Insurance (8,869 peers)

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

Safety Insurance Company 401(k) Retirement Plan sits in the top 10% of all filed plans by assets, $186M for 539 participants (~$344,443/participant), up 19.0% in 2023.

$186M
total plan assets (2023 EOY)
539
covered participants
94th
percentile by assets (of 127,072 plans)
$344,443
avg assets per participant

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

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

End-of-year total assets · plan year 2023 · DOL Form 5500

$185,654,532 Top 6% higher than 94% of 127,068 filed plans

This plan $0 $2,010,000,000 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 2023

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Safety Insurance Company 401(k) Retirement Plan reported net income rose from -$37M in the plan year 2022 filing to $30M in the plan year 2023 filing.
  • Safety Insurance Company 401(k) Retirement Plan end-of-year assets rose from $156M in the plan year 2022 filing to $186M in the plan year 2023 filing.
  • Safety Insurance Company 401(k) Retirement Plan reported participants fell from 558 in the plan year 2022 filing to 539 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State
Massachusetts
Industry
Finance & Insurance

Safety Insurance Company 401(k) Retirement Plan vs the 2023 asset distribution

By assets, Safety Insurance Company 401(k) Retirement Plan outranks 94% of the 127,072 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 1.9x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$156M
Net Assets (End of Year)$186M
Net Income$30M
Employer EIN042689624
Plan Effective Date1972-11-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Safety Insurance Company)

$140M$160M$180M$200M$220M 202220232024 $156M $206M ▲ +31.9%
Total plan assets by year, all Safety Insurance Company plans on file
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. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Safety Insurance Com…, Total assets ($B): 0.185654532 · Participants: 539Safety Insurance Com…Fidelity Retirement …, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement …Liberty Mutual 401(k…, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k…Massachusetts Instit…, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Instit…Boston Scientific Co…, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Co…Philips North Americ…, Total assets ($B): 5.779286156 · Participants: 19120Philips North Americ…
Safety Insurance Company 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Safety Insurance Company 401(k) Retireme… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Safety Insurance Company 401(k) Retirement Plan by total assets, not by location.

Frequently Asked Questions

How did Safety Insurance Company 401(k) Retirement Plan assets move in 2023? ▼
Safety Insurance Company 401(k) Retirement Plan grew sharply - up 19.0% during 2023, from $156M to $186M. Reported net income was $30M.
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 94th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% 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 Advanced Technology Services, Inc. 401(k) Profit Sharing Plan in IL ($186M, 1,868 participants).

Next read for Safety Insurance Company 401(k) Retireme…

Scale reading

Ways to act on Safety Insurance Company 401(k) Retirement Plan's numbers.

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

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.