Defined Benefit (Pension) · DOL Form 5500 · 2023

Board of Trustees, Southwest Marine Pension Trust Pension Plan

Data updated 2026-08-25

$51M
Total assets Below avg plan size
139
Participants Small participant base
86th
Percentile by assets National rank
$368,881
Avg per participant High balance/head
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Official DOL plan name: Southwest Marine Pension Trust · Sponsored by Board of Trustees, Southwest Marine Pension Trust · California · Transportation & Warehousing

$51M in assets, 139 participants

Board of Trustees, Southwest Marine Pension Trust's Southwest Marine Pension Trust reported $51M in total assets and 139 participants in its 2023 DOL Form 5500 filing, ranking in the 86th 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.

  • #2,817 in Transportation & Warehousing (3,362 peers)

Coverage in California

Southwest Marine Pension Trust covers 139 participants in California, about 22% of the average California filer (state average ~630 per filing). Assets: $51M.

#2,817
in Transportation & Warehousing (3,362 peers)
+29.9%
assets growth YoY
0.5×
vs typical plan assets (national mean)

Southwest Marine Pension Trust's outsized position by total assets

Southwest Marine Pension Trust vs every filed plan by assets

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

$51,274,409 Top 14% higher than 86% 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

Southwest Marine Pension Trust 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. Southwest Marine Pension Trust sits mid-pack in the medium band (139 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Southwest Marine Pension Trust reported net income rose from -$10M in the plan year 2022 filing to $5M in the plan year 2023 filing.
  • Southwest Marine Pension Trust end-of-year assets rose from $39M in the plan year 2022 filing to $51M in the plan year 2023 filing.
  • Southwest Marine Pension Trust reported participants fell from 172 in the plan year 2022 filing to 139 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 956123404 · Board of Trustees, Southwest Marine Pension Trust PY 2023 · Defined Benefit (Pension)

Southwest Marine Pension Trust · $51M · 139 · 86th

  • IND $51M
  • IND 139
  • IND 86th
  • IND Defined Benefit (Pension)
  • IND near The Reliable Automatic Sprinkler Co Inc Retirement Income Plan
  • IND ind #2817

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 Transportation & Warehousing retirement plans → · Plans in California →

Southwest Marine Pension Trust in the asset neighbourhood

First United Corporation Pension PlanFirst United Corporation Pen…$52MThe Reliable Automatic Sprinkler Co Inc Retirement Income PlanThe Reliable Automatic Sprin…$51MSouthwest Marine Pension TrustSouthwest Marine Pension Tru…$51MMoody Bible Institute Pension PlanMoody Bible Institute Pensio…$51MMunicipal Employees Credit Union of Baltimore Defined Benefit PlanMunicipal Employees Credit U…$51M
End-of-year total assets ($M) among Southwest Marine Pension Trust and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$39M
Net Assets (End of Year)$44M
Net Income$5M
Employer EIN956123404
Plan Effective Date1957-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Board of Trustees, Southwest Marine Pension Trust)

Sponsor-wide plan assets over time

All Board of Trustees, Southwest Marine Pension Trust plans reported in each filing year

Latest sponsor-wide plan assets
$54M 36.03322809433202% vs 2022
2024 filing year
$35M$40M$45M$50M$55M$60M 202220232024 $39.5M $53.7M ▲ +36.1%
Year Plans Participants Total Assets
2022 1 172 $39M
2023 1 139 $51M
2024 1 112 $54M

Nearby Defined Benefit (Pension) Plans in California

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

Southwest Marine Pension Trust vs. nearby Defined Benefit (Pension) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -10010203040 Total assets ($B) Participants Southwest Marine Pension Trust, Total assets ($B): 0.051274409 · Participants: 139Southwest Marine Pension TrustKaiser Permanente Retirement Plan, Total assets ($B): 33.538817099 · Participants: 127356Kaiser Permanente Retirement PlanPacific Gas and Electric Company Retirement Plan, Total assets ($B): 21.40954351 · Participants: 22914Pacific Gas and Electric Company Retirement PlanPacific Gas and Electric Company Retirement Plan, Total assets ($B): 17.980531142 · Participants: 25647Pacific Gas and Electric Company Retirement PlanRetirement Plan for Physicians and Salaried Employees of the Permanente Medical Group, Inc., Total assets ($B): 10.814691143 · Participants: 19545Retirement Plan for Physicians and Salaried Employees of the Permanente Medical Group, Inc.Disney Salaried Pension Plan D, Total assets ($B): 10.057095066 · Participants: 10813Disney Salaried Pension Plan D
Southwest Marine Pension Trust vs. nearby Defined Benefit (Pension) plans in California, assets vs. participants
Compare Southwest Marine Pension Trust side-by-side with 3 peers →

Southwest Marine Pension Trust's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside California, the nearest Defined Benefit (Pension) by assets is The Reliable Automatic Sprinkler Co Inc Retirement Income Plan in SC ($51M); by covered participants it is The Farmers Bank Defined Benefit Pension Plan in TN (139 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (139 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 Southwest Marine Pension Trust assets move in 2023? ▼
Southwest Marine Pension Trust grew sharply - up 29.9% during 2023, from $39M to $51M. Reported net income was $5M.
How have Board of Trustees, Southwest Marine Pension Trust plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Board of Trustees, Southwest Marine Pension Trust's sponsor-wide assets grew 36.0%, from $39M to $54M.
Where does Southwest Marine Pension Trust rank by assets among Form 5500 filers? ▼
Southwest Marine Pension Trust ranks in the 86th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Southwest Marine Pension Trust? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is The Reliable Automatic Sprinkler Co Inc Retirement Income Plan in SC ($51M, 69 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Southwest Marine Pension Trust? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is The Farmers Bank Defined Benefit Pension Plan in TN (139 participants, $14M 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 956123404.

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.