Defined Benefit (Pension) · DOL Form 5500 · 2022

Trustees of SEIU Local 1 & Participating Employers Pension Trust Pension Plan

Data updated 2026-08-25

$602M
Total assets Above avg plan size
8,445
Participants Very large workforce
98th
Percentile by assets National rank
$71,235
Avg per participant Below avg balance/head
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Official DOL plan name: SEIU Local 1 & Participating Employers Pension Trust · Sponsored by Trustees of SEIU Local 1 & Participating Employers Pension Trust · Illinois · Administrative & Support Services

$602M in assets, 8,445 participants

Trustees of SEIU Local 1 & Participating Employers Pension Trust's SEIU Local 1 & Participating Employers Pension Trust reported $602M in total assets and 8,445 participants in its 2022 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.

  • #4,900 in Administrative & Support Services (4,927 peers)

Coverage in Illinois

SEIU Local 1 & Participating Employers Pension Trust covers 8,445 participants in Illinois, 11x the typical Illinois plan (state average ~779 per filing). Assets: $602M.

#4,900
in Administrative & Support Services (4,927 peers)
+8.9%
assets growth YoY
6.0×
vs typical plan assets (national mean)

SEIU Local 1 & Participating Employers Pension Trust's outsized position by total assets

SEIU Local 1 & Participating Employers Pension Trust vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$601,583,048 Top 2% higher than 98% of 139,123 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 2022

SEIU Local 1 & Participating Employers Pension Trust's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. SEIU Local 1 & Participating Employers Pension Trust lands in the large band (8,445 participants).

EBSA filing schedule strip

Filing strip 366486542 · Trustees of SEIU Local 1 & Participating Employers Pension Trust PY 2022 · Defined Benefit (Pension)

SEIU Local 1 & Participating Employers Pension Trust · $602M · 8,445 · 98th

  • IND $602M
  • EOY 8,445
  • 5500 98th
  • ASSETS Defined Benefit (Pension)
  • PCT near The Nemours Foundation Pension Plan
  • EIN ind #4900

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 Administrative & Support Services retirement plans → · Plans in Illinois →

SEIU Local 1 & Participating Employers Pension Trust in the asset neighbourhood

Howard University Employees' Retirement PlanHoward University Employees'…$602MScana Corporation Retirement PlanScana Corporation Retirement…$602MThe Nemours Foundation Pension PlanThe Nemours Foundation Pensi…$602MSEIU Local 1 & Participating Employers Pension TrustSEIU Local 1 & Participating…$602MNg Es Union Represented Employees Pension PlanNg Es Union Represented Empl…$601M
End-of-year total assets ($M) among SEIU Local 1 & Participating Employers Pension Trust and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2022.

Illinois filing particulars

Total Assets (Beginning of Year)$553M
Net Assets (End of Year)$601M
Net Income$49M
Employer EIN366486542
Plan Effective Date1968-12-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Trustees of SEIU Local 1 & Participating Employers Pension Trust)

Sponsor-wide plan assets over time

All Trustees of SEIU Local 1 & Participating Employers Pension Trust plans reported in each filing year

Latest sponsor-wide plan assets
$774M 28.71091839675642% vs 2022
2024 filing year
$500M$600M$700M$800M 202220232024 $602M $774M ▲ +28.7%
Year Plans Participants Total Assets
2022 1 8,445 $602M
2023 1 8,890 $716M
2024 1 8,986 $774M

Nearby Defined Benefit (Pension) Plans in Illinois

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

SEIU Local 1 & Participating Employers Pension Trust vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -1001020304050 Total assets ($B) Participants SEIU Local 1 & Participating Employers Pension Trust, Total assets ($B): 0.601583048 · Participants: 8445SEIU Local 1 & Participating Employers Pension TrustCentral States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 42.629770802 · Participants: 50096Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 32.129102809 · Participants: 49052State Farm Insurance Companies Retirement Plan for United States EmployeesUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 7.958716532 · Participants: 20170United Food & Commercial Workers Intl Union - Industry Pension FundJohn Deere Pension Plan for Salaried Employees, Total assets ($B): 7.304502684 · Participants: 0John Deere Pension Plan for Salaried EmployeesAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 6.770339506 · Participants: 16809Abbott Laboratories Annuity Retirement Plan
SEIU Local 1 & Participating Employers Pension Trust vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants
Compare SEIU Local 1 & Participating Employers Pension Trust side-by-side with 3 peers →

Scale composition for SEIU Local 1 & Participating Employers Pension Trust

SEIU Local 1 & Participating Employers Pension Trust reports $602M in end-of-year assets across 8,445 participants (0.005% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.009% of 93,925,755 covered participants) - about $71,235 per participant (52% of the national average assets-per-participant) . Net income for plan year 2022 was $49M.

This plan identity (EIN 366486542, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $602M to $774M (+28.7%) while covered participants moved from 8,445 to 8,986 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 8,445 $602M This page
2023 8,890 $716M Open filing
2024 · index core 8,986 $774M Open filing

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

SEIU Local 1 & Participating Employers Pension Trust's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Illinois, the nearest Defined Benefit (Pension) by assets is The Nemours Foundation Pension Plan in FL ($602M); by covered participants it is Golub Corporation Employees Retirement Plan in NY (8,453 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($602M here).

Similar participant headcount

Nearest other-state filings by covered participants (8,445 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did SEIU Local 1 & Participating Employers Pension Trust assets move in 2022? ▼
SEIU Local 1 & Participating Employers Pension Trust grew at a solid clip - up 8.9% during 2022, from $553M to $602M. Reported net income was $49M.
How have Trustees of SEIU Local 1 & Participating Employers Pension Trust plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Trustees of SEIU Local 1 & Participating Employers Pension Trust's sponsor-wide assets grew 28.7%, from $602M to $774M.
Where does SEIU Local 1 & Participating Employers Pension Trust rank by assets among Form 5500 filers? ▼
SEIU Local 1 & Participating Employers Pension Trust ranks in the 98th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to SEIU Local 1 & Participating Employers Pension Trust? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is The Nemours Foundation Pension Plan in FL ($602M, 1,753 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to SEIU Local 1 & Participating Employers Pension Trust? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Golub Corporation Employees Retirement Plan in NY (8,453 participants, $364M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 366486542.

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.