Defined Benefit (Pension) · DOL Form 5500 · 2024

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

Data updated 2026-08-25

$774M
Total assets Above avg plan size
8,986
Participants Very large workforce
98th
Percentile by assets National rank
$86,168
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

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

$774M in assets, 8,986 participants

Trustees of SEIU Local 1 & Participating Employers Pension Trust's SEIU Local 1 & Participating Employers Pension Trust reported $774M in total assets and 8,986 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.

  • #4,336 in Administrative & Support Services (4,368 peers)

Coverage in Illinois

SEIU Local 1 & Participating Employers Pension Trust covers 8,986 participants in Illinois, 12x the typical Illinois plan (state average ~779 per filing). Assets: $774M.

#4,336
in Administrative & Support Services (4,368 peers)
+8.1%
assets growth YoY
7.8×
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 2024 · DOL Form 5500

$774,303,066 Top 2% higher than 98% of 123,620 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 2024

SEIU Local 1 & Participating Employers Pension Trust'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. SEIU Local 1 & Participating Employers Pension Trust lands in the large band (8,986 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • SEIU Local 1 & Participating Employers Pension Trust reported net income fell from $111M in the plan year 2023 filing to $61M in the plan year 2024 filing.
  • SEIU Local 1 & Participating Employers Pension Trust end-of-year assets rose from $716M in the plan year 2023 filing to $774M in the plan year 2024 filing.
  • SEIU Local 1 & Participating Employers Pension Trust reported participants rose from 8,890 in the plan year 2023 filing to 8,986 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 366486542 · Trustees of SEIU Local 1 & Participating Employers Pension Trust PY 2024 · Defined Benefit (Pension)

SEIU Local 1 & Participating Employers Pension Trust · $774M · 8,986 · 98th

  • RANK $774M
  • RANK 8,986
  • RANK 98th
  • RANK Defined Benefit (Pension)
  • RANK near Michigan Carpenters' Pension Fund
  • RANK ind #4336

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

AFL-CIO Staff Retirement Plan$776MCement Masons Pension Trust Fund for Northern CaliforniaCement Masons Pension Trust …$775MSEIU Local 1 & Participating Employers Pension TrustSEIU Local 1 & Participating…$774MMichigan Carpenters' Pension FundMichigan Carpenters' Pension…$774MAndersen Corporation Employees' Pension and Retirement PlanAndersen Corporation Employe…$773M
End-of-year total assets ($M) among SEIU Local 1 & Participating Employers Pension Trust and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$716M
Net Assets (End of Year)$773M
Net Income$61M
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. 01000020000300004000050000 -200204060 Total assets ($B) Participants SEIU Local 1 & Participating Employers Pension Trust, Total assets ($B): 0.774303066 · Participants: 8986SEIU Local 1 & Participating Employers Pension TrustCentral States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 48.22071058 · Participants: 36799Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 37.736369487 · Participants: 41619State Farm Insurance Companies Retirement Plan for United States EmployeesGE Healthcare Pension Plan, Total assets ($B): 13.74052931 · Participants: 5554GE Healthcare Pension PlanAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 8.591907247 · Participants: 17875Abbott Laboratories Annuity Retirement PlanUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 8.17675965 · Participants: 20984United Food & Commercial Workers Intl Union - Industry Pension Fund
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 $774M in end-of-year assets across 8,986 participants (0.006% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.010% of 93,925,755 covered participants) - about $86,168 per participant (62% of the national average assets-per-participant) . Net income for plan year 2024 was $61M.

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 Open filing
2023 8,890 $716M Open filing
2024 · index core 8,986 $774M This page

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 Michigan Carpenters' Pension Fund in MI ($774M); by covered participants it is New England Health Care Employees Pension Plan in CT (8,957 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($774M here).

Similar participant headcount

Nearest other-state filings by covered participants (8,986 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. 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 2024? ▼
SEIU Local 1 & Participating Employers Pension Trust grew at a solid clip - up 8.1% during 2024, from $716M to $774M. Reported net income was $61M.
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 123,622 plans that reported assets for plan year 2024 (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 Michigan Carpenters' Pension Fund in MI ($774M, 3,894 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 New England Health Care Employees Pension Plan in CT (8,957 participants, $1.0B in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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.