Defined Benefit (Pension) · DOL Form 5500 · 2023

The Andover Companies Pension Plan

Data updated 2026-08-25

$390M
Total assets Above avg plan size
259
Participants Below avg headcount
97th
Percentile by assets National rank
$1.5M
Avg per participant High balance/head
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Official DOL plan name: Merrimack Mutual Fire Insurance Company Retirement Plan · Sponsored by The Andover Companies · Massachusetts · Finance & Insurance

$390M in assets, 259 participants

The Andover Companies's Merrimack Mutual Fire Insurance Company Retirement Plan reported $390M in total assets and 259 participants in its 2023 DOL Form 5500 filing, ranking in the 97th 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.

  • #8,397 in Finance & Insurance (8,869 peers)

Coverage in Massachusetts

Merrimack Mutual Fire Insurance Company Retirement Plan covers 259 participants in Massachusetts, about 39% of the average Massachusetts filer (state average ~659 per filing). Assets: $390M.

#8,397
in Finance & Insurance (8,869 peers)
+7.0%
assets growth YoY
3.9×
vs typical plan assets (national mean)

Merrimack Mutual Fire Insurance Company Retirement Plan's outsized position by total assets

Merrimack Mutual Fire Insurance Company Retirement Plan vs every filed plan by assets

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

$390,147,956 Top 3% higher than 97% of 127,068 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 2023

Merrimack Mutual Fire Insurance Company Retirement Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Merrimack Mutual Fire Insurance Company Retirement Plan sits mid-pack in the medium band (259 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Merrimack Mutual Fire Insurance Company Retirement Plan reported net income rose from $7M in the plan year 2022 filing to $26M in the plan year 2023 filing.
  • Merrimack Mutual Fire Insurance Company Retirement Plan reported participants rose from 238 in the plan year 2022 filing to 259 in the plan year 2023 filing.
  • Merrimack Mutual Fire Insurance Company Retirement Plan end-of-year assets rose from $365M in the plan year 2022 filing to $390M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 041614490 · The Andover Companies PY 2023 · Defined Benefit (Pension)

Merrimack Mutual Fire Insurance Company Retirement Plan · $390M · 259 · 97th

  • BOOK $390M
  • BOOK 259
  • BOOK 97th
  • BOOK Defined Benefit (Pension)
  • BOOK near Tegna Retirement Plan
  • BOOK ind #8397

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 →

Merrimack Mutual Fire Insurance Company Retirement Plan in the asset neighbourhood

Mgic Pension Plan$392MRetirement Plan for Employees of Boeing Employees' Credit UnionRetirement Plan for Employee…$392MMerrimack Mutual Fire Insurance Company Retirement PlanMerrimack Mutual Fire Insura…$390MTegna Retirement Plan$390MStp Nuclear Operating Company Retirement PlanStp Nuclear Operating Compan…$389M
End-of-year total assets ($M) among Merrimack Mutual Fire Insurance Company Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$365M
Net Assets (End of Year)$390M
Net Income$26M
Employer EIN041614490
Plan Effective Date1944-04-18
Filing StatusFILING RECEIVED

Sponsor Plan History (The Andover Companies)

Sponsor-wide plan assets over time

All The Andover Companies plans reported in each filing year

Latest sponsor-wide plan assets
$540M 28.135523096443453% vs 2022
2024 filing year
$400M$450M$500M$550M$600M 202220232024 $421M $540M ▲ +28.1%
Year Plans Participants Total Assets
2022 2 456 $421M
2023 2 524 $460M
2024 2 601 $540M

Nearby Defined Benefit (Pension) Plans in Massachusetts

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Merrimack Mutual Fire Insurance Company Retirement Plan vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -5051015 Total assets ($B) Participants Merrimack Mutual Fire Insurance Company Retirement Plan, Total assets ($B): 0.390147956 · Participants: 259Merrimack Mutual Fire Insurance Company Retirement PlanConsolidated Cash Balance Program of Mass General Brigham and Member Organizations, Total assets ($B): 10.325856564 · Participants: 58745Consolidated Cash Balance Program of Mass General Brigham and Member OrganizationsNew England Teamsters Pension Fund, Total assets ($B): 9.092299586 · Participants: 21786New England Teamsters Pension FundLiberty Mutual Retirement Benefit Plan, Total assets ($B): 6.892259637 · Participants: 37145Liberty Mutual Retirement Benefit PlanMassachusetts Institute of Technology Basic Retirement Plan, Total assets ($B): 5.381626447 · Participants: 11888Massachusetts Institute of Technology Basic Retirement PlanN. Atlantic States Carp. Pension Fund, Total assets ($B): 4.973349354 · Participants: 17166N. Atlantic States Carp. Pension Fund
Merrimack Mutual Fire Insurance Company Retirement Plan vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants
Compare Merrimack Mutual Fire Insurance Company Retirement Plan side-by-side with 3 peers →

Merrimack Mutual Fire Insurance Company Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Massachusetts, the nearest Defined Benefit (Pension) by assets is Tegna Retirement Plan in VA ($390M); by covered participants it is Plumbers & Fitters Local Union 295 Pension Plan in FL (259 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($390M here).

Similar participant headcount

Nearest other-state filings by covered participants (259 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Merrimack Mutual Fire Insurance Company Retirement Plan assets move in 2023? ▼
Merrimack Mutual Fire Insurance Company Retirement Plan grew at a solid clip - up 7.0% during 2023, from $365M to $390M. Reported net income was $26M.
How have The Andover Companies plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), The Andover Companies's sponsor-wide assets grew 28.1%, from $421M to $540M.
Where does Merrimack Mutual Fire Insurance Company Retirement Plan rank by assets among Form 5500 filers? ▼
Merrimack Mutual Fire Insurance Company Retirement Plan ranks in the 97th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Merrimack Mutual Fire Insurance Company Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Tegna Retirement Plan in VA ($390M, 729 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Merrimack Mutual Fire Insurance Company Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Plumbers & Fitters Local Union 295 Pension Plan in FL (259 participants, $60M in assets).

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 041614490.

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.