Defined Benefit (Pension) · DOL Form 5500 · 2023

Board of Trustees, California Ironworkers Field Pension Trust Fun Pension Plan

Data updated 2026-08-25

$3.3B
Total assets Very large vs avg
10,048
Participants Very large workforce
100th
Percentile by assets National rank
$329,272
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: California Ironworkers Field Pension Trust · Sponsored by Board of Trustees, California Ironworkers Field Pension Trust Fun · California · Construction

$3.3B in assets, 10,048 participants

Board of Trustees, California Ironworkers Field Pension Trust Fun's California Ironworkers Field Pension Trust reported $3.3B in total assets and 10,048 participants in its 2023 DOL Form 5500 filing, ranking in the 100th 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.

  • #9,004 in Construction (9,030 peers)

Coverage in California

California Ironworkers Field Pension Trust covers 10,048 participants in California, 16x the typical California plan (state average ~630 per filing). Assets: $3.3B.

#9,004
in Construction (9,030 peers)
+10.0%
assets growth YoY
33×
vs typical plan assets (national mean)

California Ironworkers Field Pension Trust's outsized position by total assets

California Ironworkers Field Pension Trust vs every filed plan by assets

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

$3,308,526,816 Highest reported value at or above every one 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

California Ironworkers Field Pension Trust's mega-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. California Ironworkers Field Pension Trust is a mega filing (10,048 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • California Ironworkers Field Pension Trust reported net income rose from $34M in the plan year 2022 filing to $298M in the plan year 2023 filing.
  • California Ironworkers Field Pension Trust end-of-year assets rose from $3.0B in the plan year 2022 filing to $3.3B in the plan year 2023 filing.
  • California Ironworkers Field Pension Trust reported participants rose from 9,581 in the plan year 2022 filing to 10,048 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 956042866 · Board of Trustees, California Ironworkers Field Pension Trust Fun PY 2023 · Defined Benefit (Pension)

California Ironworkers Field Pension Trust · $3.3B · 10,048 · 100th

  • PCT $3.3B
  • EIN 10,048
  • RANK 100th
  • PHOTO Defined Benefit (Pension)
  • IND near The Northwestern Mutual Employee Retirement Plan
  • EOY ind #9004

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 California →

California Ironworkers Field Pension Trust in the asset neighbourhood

American International Group Inc Retirement PlanAmerican International Group…$3.3BCummins Pension Plan$3.3BCalifornia Ironworkers Field Pension TrustCalifornia Ironworkers Field…$3.3BThe Northwestern Mutual Employee Retirement PlanThe Northwestern Mutual Empl…$3.3BNorthwest Carpenters Retirement PlanNorthwest Carpenters Retirem…$3.3B
End-of-year total assets ($B) among California Ironworkers Field Pension Trust and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$3.0B
Net Assets (End of Year)$3.3B
Net Income$298M
Employer EIN956042866
Plan Effective Date1958-08-07
Filing StatusFILING RECEIVED

Sponsor Plan History (Board of Trustees, California Ironworkers Field Pension Trust Fun)

Sponsor-wide plan assets over time

All Board of Trustees, California Ironworkers Field Pension Trust Fun plans reported in each filing year

Latest sponsor-wide plan assets
$3.5B 17.236522527643142% vs 2022
2024 filing year
$2.8B$3B$3.2B$3.4B$3.6B 202220232024 $3.01B $3.53B ▲ +17.3%
Year Plans Participants Total Assets
2022 1 9,581 $3.0B
2023 1 10,048 $3.3B
2024 1 9,792 $3.5B

Nearby Defined Benefit (Pension) Plans in California

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

California Ironworkers Field Pension Trust vs. nearby Defined Benefit (Pension) plans in California, assets vs. participants Scatter plot of 6 data points. 050000100000150000 010203040 Total assets ($B) Participants California Ironworkers Field Pension Trust, Total assets ($B): 3.308526816 · Participants: 10048California Ironworkers Field 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
California Ironworkers Field Pension Trust vs. nearby Defined Benefit (Pension) plans in California, assets vs. participants
Compare California Ironworkers Field Pension Trust side-by-side with 3 peers →

Scale composition for California Ironworkers Field Pension Trust

California Ironworkers Field Pension Trust reports $3.3B in end-of-year assets across 10,048 participants (0.027% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.011% of 93,925,755 covered participants) - about $329,272 per participant (2.4x the national average assets-per-participant) . Net income for plan year 2023 was $298M.

This plan identity (EIN 956042866, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $3.0B to $3.5B (+17.2%) while covered participants moved from 9,581 to 9,792 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 9,581 $3.0B Open filing
2023 10,048 $3.3B This page
2024 · index core 9,792 $3.5B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

California Ironworkers Field 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 Northwestern Mutual Employee Retirement Plan in WI ($3.3B); by covered participants it is Retirement&security Program for Employees of Ntca and Its Members in VA (10,052 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($3.3B here).

Similar participant headcount

Nearest other-state filings by covered participants (10,048 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 California Ironworkers Field Pension Trust assets move in 2023? ▼
California Ironworkers Field Pension Trust grew at a solid clip - up 10.0% during 2023, from $3.0B to $3.3B. Reported net income was $298M.
How have Board of Trustees, California Ironworkers Field Pension Trust Fun plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Board of Trustees, California Ironworkers Field Pension Trust Fun's sponsor-wide assets grew 17.2%, from $3.0B to $3.5B.
Where does California Ironworkers Field Pension Trust rank by assets among Form 5500 filers? ▼
California Ironworkers Field Pension Trust ranks in the 100th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to California Ironworkers Field Pension Trust? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is The Northwestern Mutual Employee Retirement Plan in WI ($3.3B, 8,348 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to California Ironworkers Field Pension Trust? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Retirement&security Program for Employees of Ntca and Its Members in VA (10,052 participants, $2.3B 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 956042866.

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.