401(k) · DOL Form 5500 · 2022

The Hanover Insurance Company 401(k) Plan

Data updated 2026-08-11

$1.0B
Total assets
4,373
Participants
99th
Percentile by assets
$235,902
Avg per participant
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Official DOL plan name: The Hanover Insurance Group Retirement Savings Plan · Sponsored by The Hanover Insurance Company · Massachusetts · Finance & Insurance

$1.0B in assets, 4,373 participants

The Hanover Insurance Company's The Hanover Insurance Group Retirement Savings Plan reported $1.0B in total assets and 4,373 participants in its 2022 DOL Form 5500 filing, ranking in the 99th 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.

  • 99th percentile by assets (of 139,126 plans)
  • #9,062 in Finance & Insurance (9,261 peers)

Coverage in Massachusetts

The Hanover Insurance Group Retirement Savings Plan covers 4,373 participants in Massachusetts, 6.6x the typical Massachusetts plan (state average ~659 per filing). Assets: $1.0B.

$1.0B
total plan assets (2022 EOY)
4,373
covered participants
99th
percentile by assets (of 139,126 plans)
$235,902
avg assets per participant

The plan reported a net loss of $215M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. The Hanover Insurance Group Retirement Savings Plan reports 4,373 participants - 6.6x that state average ($1.0B EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)$1.2B
Net Assets (End of Year)$1.0B
Net Income-$215M
Employer EIN135129825
Plan Effective Date1961-11-22
Filing StatusFILING RECEIVED

Sponsor Plan History (The Hanover Insurance Company)

$1.3B$1.4B$1.5B$1.6B$1.7B 202220232024 $1.4B $1.64B ▲ +17.1%
Total plan assets by year, all The Hanover Insurance Company plans on file
Year Plans Participants Total Assets
2022 2 5,105 $1.4B
2023 2 5,303 $1.5B
2024 2 5,274 $1.6B

Nearby 401(k) Plans in Massachusetts

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

The Hanover Insurance Group Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

The Hanover Insurance Group Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 0200004000060000 -50510152025 Total assets ($B) Participants The Hanover Insuranc…Fidelity Retirement …Liberty Mutual 401(k…Massachusetts Instit…Philips North Americ…Boston Scientific Co…
The Hanover Insurance Group Retirement Savings 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 The Hanover Insurance Group Retirement Savings Plan by total assets, not by location.

Frequently Asked Questions

How did The Hanover Insurance Group Retirement Savings Plan assets move in 2022?
The Hanover Insurance Group Retirement Savings Plan declined sharply - down 17.2% during 2022, from $1.2B to $1.0B. Reported net income was -$215M.
How have The Hanover Insurance Company plan assets changed over time?
Across 3 plan years on file (2022-2024), The Hanover Insurance Company's sponsor-wide assets grew 17.2%, from $1.4B to $1.6B.
Where does The Hanover Insurance Group Retirement Savings Plan rank by assets among Form 5500 filers?
The Hanover Insurance Group Retirement Savings Plan ranks in the 99th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to The Hanover Insurance Group Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is Rpm International Inc. 401(k) Trust and Plan in OH ($1.0B, 8,227 participants).

Next read for The Hanover Insurance Group Retirement S…

Filing takeaways

Ways to act on The Hanover Insurance Group Retirement Savings Plan's numbers.