Defined Benefit (Pension) · DOL Form 5500 · 2024
Pipe & Refrigeration Fitters Local 537 Pension Plan
Data updated 2026-08-25
- $962M
- Total assets Above avg plan size
- 2,310
- Participants Above avg headcount
- 98th
- Percentile by assets National rank
- $416,615
- Avg per participant High balance/head
Official DOL plan name: Pipefitters Union Local No. 537 Pension Fund · Sponsored by Pipe & Refrigeration Fitters Local 537 · Massachusetts · Construction
$962M in assets, 2,310 participants
Pipe & Refrigeration Fitters Local 537's Pipefitters Union Local No. 537 Pension Fund reported $962M in total assets and 2,310 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.
- #8,897 in Construction (9,039 peers)
Coverage in Massachusetts
Pipefitters Union Local No. 537 Pension Fund covers 2,310 participants in Massachusetts, 3.5x the typical Massachusetts plan (state average ~659 per filing). Assets: $962M.
- #8,897
- in Construction (9,039 peers)
- +6.7%
- assets growth YoY
- 9.7×
- vs typical plan assets (national mean)
Pipefitters Union Local No. 537 Pension Fund's outsized position by total assets
Pipefitters Union Local No. 537 Pension Fund vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$962,379,541 Top 2% higher than 98% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Pipefitters Union Local No. 537 Pension Fund's large-plan peer group by participant headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Pipefitters Union Local No. 537 Pension Fund lands in the large band (2,310 participants).
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Pipefitters Union Local No. 537 Pension Fund reported net income fell from $82M in the plan year 2023 filing to $61M in the plan year 2024 filing.
- Pipefitters Union Local No. 537 Pension Fund end-of-year assets rose from $902M in the plan year 2023 filing to $962M in the plan year 2024 filing.
- Pipefitters Union Local No. 537 Pension Fund reported participants rose from 2,202 in the plan year 2023 filing to 2,310 in the plan year 2024 filing.
Form 5500 schedule snapshot
Filing strip 516030859 · Pipe & Refrigeration Fitters Local 537 PY 2024 · Defined Benefit (Pension)
Pipefitters Union Local No. 537 Pension Fund · $962M · 2,310 · 98th
- TYPE $962M
- NET 2,310
- BOOK 98th
- VS-ST Defined Benefit (Pension)
- BOY near Mutual of Omaha Retirement Income Plan
- SCH ind #8897
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 Construction retirement plans → · Plans in Massachusetts →
Pipefitters Union Local No. 537 Pension Fund in the asset neighbourhood
Massachusetts filing particulars
| Total Assets (Beginning of Year) | $902M |
|---|---|
| Net Assets (End of Year) | $936M |
| Net Income | $61M |
| Employer EIN | 516030859 |
| Plan Effective Date | 1956-03-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Pipe & Refrigeration Fitters Local 537)
Sponsor-wide plan assets over time
All Pipe & Refrigeration Fitters Local 537 plans reported in each filing year
- Latest sponsor-wide plan assets
- $962M 16.188723957316085% vs 2022
- 2024 filing year
| 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.
- Consolidated Cash Balance Program of Mass General Brigham and Member Organizations $11.6B · 60,621
- New England Teamsters Pension Fund $9.1B · 21,577
- Liberty Mutual Retirement Benefit Plan $6.3B · 34,910
- Massachusetts Institute of Technology Basic Retirement Plan $5.9B · 12,533
- N. Atlantic States Carp. Pension Fund $5.1B · 16,946
Pipefitters Union Local No. 537 Pension Fund's out-of-state Defined Benefit (Pension) peers by assets and headcount
Outside Massachusetts, the nearest Defined Benefit (Pension) by assets is Mutual of Omaha Retirement Income Plan in NE ($960M); by covered participants it is Pipeline Industry Pension Fund in OK (2,308 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($962M here).
- Mutual of Omaha Retirement Income Plan (NE) $960M · 415
- Employees' Cash Balance Plan of Atlantic Health System, Inc. (NJ) $965M · 5,100
- Advocate Aurora Health Pension Plan (IL) $966M · 10,936
- Pitney Bowes Pension Plan (CT) $959M · 858
Similar participant headcount
Nearest other-state filings by covered participants (2,310 participants); asset peers above are excluded.
- Pipeline Industry Pension Fund (OK) 2,308 · 2 off
- Legacy Ghs/Tuomey Pension Plan (SC) 2,307 · 3 off
- Entergy Corporation Retirement Plan for Bargaining Employees (LA) 2,317 · 7 off
- Vituity Retirement Plan for Cep Physicians (CA) 2,318 · 8 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.