Defined Benefit (Pension) · DOL Form 5500 · 2022

Pipe & Refrigeration Fitters Local 537 Pension Plan

Data updated 2026-08-11

$828M
Total assets
2,107
Participants
99th
Percentile by assets
$393,113
Avg per participant
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Official DOL plan name: Pipefitters Union Local No. 537 Pension Fund · Sponsored by Pipe & Refrigeration Fitters Local 537 · Massachusetts · Construction

$828M in assets, 2,107 participants

Pipe & Refrigeration Fitters Local 537's Pipefitters Union Local No. 537 Pension Fund reported $828M in total assets and 2,107 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)
  • #9,795 in Construction (9,927 peers)

Coverage in Massachusetts

Pipefitters Union Local No. 537 Pension Fund covers 2,107 participants in Massachusetts, 3.2x the typical Massachusetts plan (state average ~659 per filing). Assets: $828M.

$828M
total plan assets (2022 EOY)
2,107
covered participants
99th
percentile by assets (of 139,126 plans)
$393,113
avg assets per participant

The plan reported a net loss of $29M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Industry

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Pipefitters Union Local No. 537 Pension Fund reports 2,107 participants - 3.2x that state average ($828M EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)$848M
Net Assets (End of Year)$794M
Net Income-$29M
Employer EIN516030859
Plan Effective Date1956-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Pipe & Refrigeration Fitters Local 537)

$800M$850M$900M$950M$1,000M 202220232024 $828M $962M ▲ +16.2%
Total plan assets by year, all Pipe & Refrigeration Fitters Local 537 plans on file
Year Plans Participants Total Assets
2022 1 2,107 $828M
2023 1 2,202 $902M
2024 1 2,310 $962M

Nearby Defined Benefit (Pension) Plans in Massachusetts

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

Pipefitters Union Local No. 537 Pension Fund vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants

Pipefitters Union Local No. 537 Pension Fund vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 0246810 Total assets ($B) Participants Pipefitters Union Lo…Consolidated Cash Ba…Liberty Mutual Retir…Massachusetts Instit…N. Atlantic States C…N. Atlantic States C…
Pipefitters Union Local No. 537 Pension Fund vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Pipefitters Union Local No. 537 Pension Fund by total assets, not by location.

Frequently Asked Questions

How did Pipefitters Union Local No. 537 Pension Fund assets move in 2022?
Pipefitters Union Local No. 537 Pension Fund edged down modestly - down 2.4% during 2022, from $848M to $828M. Reported net income was -$29M.
How have Pipe & Refrigeration Fitters Local 537 plan assets changed over time?
Across 3 plan years on file (2022-2024), Pipe & Refrigeration Fitters Local 537's sponsor-wide assets grew 16.2%, from $828M to $962M.
Where does Pipefitters Union Local No. 537 Pension Fund rank by assets among Form 5500 filers?
Pipefitters Union Local No. 537 Pension Fund 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 Defined Benefit (Pension) plans are similar in size to Pipefitters Union Local No. 537 Pension Fund?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Washington Gas Light Company Employees' Pension Plan in DC ($828M, 598 participants).

Next read for Pipefitters Union Local No. 537 Pension …

Filing takeaways

Ways to act on Pipefitters Union Local No. 537 Pension Fund's numbers.

  • By total assets, Pipefitters Union Local No. 537 Pension Fund ranks among the largest 1% of all filed plans. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Massachusetts. Compare plans
  • Pipe & Refrigeration Fitters Local 537's sponsor-wide assets have grown 16.2% since 2022 across 3 plan years on file. More Construction plans