401(k) · DOL Form 5500 · 2024

Safety Insurance Company 401(k) Plan

Data updated 2026-07-24

$206M
Total assets
595
Participants
94th
Percentile by assets
$345,879
Avg per participant

Official DOL plan name: Safety Insurance Company 401(k) Retirement Plan · Sponsored by Safety Insurance Company · Massachusetts · Finance & Insurance

$206M in assets, 595 participants

Safety Insurance Company's Safety Insurance Company 401(k) Retirement Plan reported $206M in total assets and 595 participants in its 2024 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 116,472 plans)

What the 2024 filing shows

Safety Insurance Company 401(k) Retirement Plan holds $206M for 595 participants - about $345,879 per participant, in the top 10% of all filed plans by assets, up 10.9% over the 2024 plan year.

$206M
total plan assets (2024 EOY)
595
covered participants
94th
percentile by assets (of 116,472 plans)
$345,879
avg assets per participant
Industry
Finance & Insurance

401(k) · DOL Form 5500 · 2024

What the Filing Says About Safety Insurance Company 401(k) Retirement Plan

Safety Insurance Company 401(k) Retirement Plan is a 401(k) retirement plan sponsored by Safety Insurance Company, headquartered in Massachusetts. According to the U.S. Department of Labor's 2024 Form 5500 filing, the plan reports $206M in total end-of-year assets and covers 595 participants across the Finance & Insurance industry. The sponsor's EIN on file with the U.S. Department of Labor is 042689624, and the plan has been effective since 1972-11-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets grew at a solid clip from $186M at the beginning of 2024 to $206M at year-end - up 10.9%. Net assets (after liabilities) closed the year at $206M, with reported net income of $20M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Across the 3 plan years Safety Insurance Company has on file with PlainRetire (2022-2024), sponsor-wide plan assets have moved from $156M to $206M, a gain of 31.9%, while reported participants moved from 558 to 595 (+6.6%). The strongest year on file by total sponsor assets was 2024 at $206M; the softest was 2022 at $156M. Year-by-year, sponsor-wide filings show: 2022 - $156M in assets across 1 plan covering 558 participants; 2023 - $186M in assets across 1 plan covering 539 participants; 2024 - $206M in assets across 1 plan covering 595 participants.

By assets, Safety Insurance Company 401(k) Retirement Plan outranks 94% of the 116,472 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 2.1x the national average plan size of $100M and 730 average participants.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows, a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

How the percentile is calculated: we count every plan that filed a 2024 Form 5500 with a reported end-of-year asset figure (116,472 plans), rank Safety Insurance Company 401(k) Retirement Plan against all of them by total assets, and report the share of those plans it outranks. A plan reporting no asset figure for the year is excluded from the ranking rather than assumed to be zero.

Financial Summary (2024)

Total Assets (Beginning of Year)$186M
Total Assets (End of Year)$206M
Net Assets (End of Year)$206M
Net Income$20M
Plan Type401(k)
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 401(k) 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

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…Fidelity Retirement …Liberty Mutual 401(k…Massachusetts Instit…Boston Scientific Co…State Street Salary …
Safety Insurance Company 401(k) Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

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 much money is in the Safety Insurance Company 401(k) Retirement Plan?
As of the 2024 Form 5500 filing, Safety Insurance Company 401(k) Retirement Plan holds $206M in total assets with 595 participants. It is sponsored by Safety Insurance Company.
What type of plan is Safety Insurance Company 401(k) Retirement Plan?
Safety Insurance Company 401(k) Retirement Plan is a 401(k) plan. It has been effective since 1972-11-01. The plan is filed with the U.S. Department of Labor under EIN 042689624.
Who sponsors the Safety Insurance Company 401(k) Retirement Plan?
Safety Insurance Company 401(k) Retirement Plan is sponsored by Safety Insurance Company, located in Massachusetts. The sponsor's EIN is 042689624 and the plan operates in the Finance & Insurance industry.
How did Safety Insurance Company 401(k) Retirement Plan perform in 2024?
Safety Insurance Company 401(k) Retirement Plan grew at a solid clip - up 10.9% during 2024, moving from $186M to $206M in total assets. Net income was $20M.

What this filing means

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

  • By total assets, Safety Insurance Company 401(k) Retirement Plan ranks in the top 10% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
  • Safety Insurance Company's sponsor-wide assets have grown 31.9% since 2022 across 3 plan years on file. More Finance & Insurance plans
  • A 401(k) plan works differently from other retirement plan types, understand the structural differences before comparing. Compare plan types

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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

Reference: IRS Publication 560, Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B, Distributions from IRAs, RMD rules under SECURE Act 2.0.

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

Every figure on PlainRetire is rendered directly from the Department of Labor's Form 5500 annual return filings, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-07-24.