Defined Benefit (Pension) · DOL Form 5500 · 2023

Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund Pension Plan

Data updated 2026-08-25

$390M
Total assets Above avg plan size
1,720
Participants Near avg headcount
97th
Percentile by assets National rank
$226,503
Avg per participant Above avg balance/head
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Official DOL plan name: Plumbers Union Local No. 12 Pension · Sponsored by Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund · Massachusetts · Construction

$390M in assets, 1,720 participants

Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund's Plumbers Union Local No. 12 Pension reported $390M in total assets and 1,720 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.

  • #8,700 in Construction (9,030 peers)

Coverage in Massachusetts

Plumbers Union Local No. 12 Pension covers 1,720 participants in Massachusetts, 2.6x the typical Massachusetts plan (state average ~659 per filing). Assets: $390M.

#8,700
in Construction (9,030 peers)
+12.6%
assets growth YoY
3.9×
vs typical plan assets (national mean)

Plumbers Union Local No. 12 Pension's outsized position by total assets

Plumbers Union Local No. 12 Pension vs every filed plan by assets

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

$389,585,417 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

Plumbers Union Local No. 12 Pension's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Plumbers Union Local No. 12 Pension lands in the large band (1,720 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Plumbers Union Local No. 12 Pension reported net income rose from $24M in the plan year 2022 filing to $44M in the plan year 2023 filing.
  • Plumbers Union Local No. 12 Pension end-of-year assets rose from $346M in the plan year 2022 filing to $390M in the plan year 2023 filing.
  • Plumbers Union Local No. 12 Pension reported participants rose from 1,623 in the plan year 2022 filing to 1,720 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 046023174 · Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund PY 2023 · Defined Benefit (Pension)

Plumbers Union Local No. 12 Pension · $390M · 1,720 · 97th

  • BOOK $390M
  • VS-ST 1,720
  • BOY 97th
  • SCH Defined Benefit (Pension)
  • EBSA near Tegna Retirement Plan
  • PART ind #8700

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 →

Plumbers Union Local No. 12 Pension in the asset neighbourhood

Tegna Retirement Plan$390MPlumbers Union Local No. 12 PensionPlumbers Union Local No. 12 …$390MStp Nuclear Operating Company Retirement PlanStp Nuclear Operating Compan…$389MSt. Paul Electrical Construction Pension PlanSt. Paul Electrical Construc…$388MKeystone Employees' Retirement PlanKeystone Employees' Retireme…$388M
End-of-year total assets ($M) among Plumbers Union Local No. 12 Pension and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$346M
Net Assets (End of Year)$389M
Net Income$44M
Employer EIN046023174
Plan Effective Date1954-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund)

Sponsor-wide plan assets over time

All Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund plans reported in each filing year

Latest sponsor-wide plan assets
$429M 23.87547668788753% vs 2022
2024 filing year
$300M$350M$400M$450M 202220232024 $346M $429M ▲ +23.9%
Year Plans Participants Total Assets
2022 1 1,623 $346M
2023 1 1,720 $390M
2024 1 1,619 $429M

Nearby Defined Benefit (Pension) Plans in Massachusetts

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

Plumbers Union Local No. 12 Pension vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -5051015 Total assets ($B) Participants Plumbers Union Local No. 12 Pension, Total assets ($B): 0.389585417 · Participants: 1720Plumbers Union Local No. 12 PensionConsolidated 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
Plumbers Union Local No. 12 Pension vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants
Compare Plumbers Union Local No. 12 Pension side-by-side with 3 peers →

Plumbers Union Local No. 12 Pension'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 Hancock Whitney Corporation Pension Plan in MS (1,723 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 (1,720 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 Plumbers Union Local No. 12 Pension assets move in 2023? ▼
Plumbers Union Local No. 12 Pension grew at a solid clip - up 12.6% during 2023, from $346M to $390M. Reported net income was $44M.
How have Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund's sponsor-wide assets grew 23.9%, from $346M to $429M.
Where does Plumbers Union Local No. 12 Pension rank by assets among Form 5500 filers? ▼
Plumbers Union Local No. 12 Pension 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 Plumbers Union Local No. 12 Pension? ▼
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 Plumbers Union Local No. 12 Pension? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Hancock Whitney Corporation Pension Plan in MS (1,723 participants, $746M 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 046023174.

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.