Other · DOL Form 5500 · 2024

Corewell Health Retirement Plan

Data updated 2026-08-25

$3.2B
Total assets Very large vs avg
32,821
Participants Very large workforce
100th
Percentile by assets National rank
$97,920
Avg per participant Below avg balance/head
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Official DOL plan name: Spectrum Health System 403(b) Plan · Sponsored by Corewell Health · Michigan · Healthcare & Social Assistance

$3.2B in assets, 32,821 participants

Corewell Health's Spectrum Health System 403(b) Plan reported $3.2B in total assets and 32,821 participants in its 2024 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.

  • #16,855 in Healthcare & Social Assistance (16,916 peers)

Coverage in Michigan

Spectrum Health System 403(b) Plan covers 32,821 participants in Michigan, 51x the typical Michigan plan (state average ~638 per filing). Assets: $3.2B.

#16,855
in Healthcare & Social Assistance (16,916 peers)
+13.8%
assets growth YoY
32×
vs typical plan assets (national mean)

Spectrum Health System 403(b) Plan's outsized position by total assets

Spectrum Health System 403(b) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$3,213,825,570 Highest reported value at or above every one 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

Spectrum Health System 403(b) Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Spectrum Health System 403(b) Plan is a mega filing (32,821 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Spectrum Health System 403(b) Plan reported net income fell from $480M in the plan year 2023 filing to $389M in the plan year 2024 filing.
  • Spectrum Health System 403(b) Plan end-of-year assets rose from $2.8B in the plan year 2023 filing to $3.2B in the plan year 2024 filing.
  • Spectrum Health System 403(b) Plan reported participants rose from 31,443 in the plan year 2023 filing to 32,821 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 383382353 · Corewell Health PY 2024 · Other

Spectrum Health System 403(b) Plan · $3.2B · 32,821 · 100th

  • PCT $3.2B
  • EIN 32,821
  • RANK 100th
  • PHOTO Other
  • IND near Memorial Hermann Health System Employees' Retirement Savings Plan
  • EOY ind #16855

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 Healthcare & Social Assistance retirement plans → · Plans in Michigan →

Spectrum Health System 403(b) Plan in the asset neighbourhood

Memorial Hermann Health System Employees' Retirement Savings PlanMemorial Hermann Health Syst…$3.3BSpectrum Health System 403(b) PlanSpectrum Health System 403(b…$3.2BCornell University Retirement Plan for the Employees of the Endowed Colleges at IthacaCornell University Retiremen…$3.0BThe Tax Sheltered Annuity Plan of the Methodist HospitalThe Tax Sheltered Annuity Pl…$3.0BThe Johns Hopkins University Applied Physics Laboratory Pension Plan BThe Johns Hopkins University…$3.0B
End-of-year total assets ($B) among Spectrum Health System 403(b) Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2024.

Michigan filing particulars

Total Assets (Beginning of Year)$2.8B
Net Assets (End of Year)$3.2B
Net Income$389M
Employer EIN383382353
Plan Effective Date1999-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Corewell Health)

Sponsor-wide plan assets over time

All Corewell Health plans reported in each filing year

Latest sponsor-wide plan assets
$3.4B 33.308576535779025% vs 2022
2024 filing year
$2B$2.5B$3B$3.5B$4B 202220232024 $2.58B $3.44B ▲ +33.3%
Year Plans Participants Total Assets
2022 2 29,209 $2.6B
2023 2 33,805 $3.1B
2024 2 35,007 $3.4B

Nearby Other Plans in Michigan

Peer Other plans, same state, same plan type, ranked by total assets.

Spectrum Health System 403(b) Plan vs. nearby Other plans in Michigan, assets vs. participants Scatter plot of 6 data points. 01000020000300004000050000 0123456 Total assets ($B) Participants Spectrum Health System 403(b) Plan, Total assets ($B): 3.21382557 · Participants: 32821Spectrum Health System 403(b) PlanFca US LLC UAW Savings Plan, Total assets ($B): 5.195030475 · Participants: 44591Fca US LLC UAW Savings PlanFca US LLC Salaried Employees' Savings Plan, Total assets ($B): 5.094106866 · Participants: 15683Fca US LLC Salaried Employees' Savings PlanBeaumont Health 403(b) Retirement Savings Plan, Total assets ($B): 2.966016065 · Participants: 34160Beaumont Health 403(b) Retirement Savings PlanHenry Ford Health System Heritage 403(b) Plan, Total assets ($B): 1.412878823 · Participants: 14465Henry Ford Health System Heritage 403(b) PlanBronson Healthcare Group, Inc. 403(b) Tax Sheltered Matching Plan, Total assets ($B): 1.179295199 · Participants: 8795Bronson Healthcare Group, Inc. 403(b) Tax Sheltered Matching Plan
Spectrum Health System 403(b) Plan vs. nearby Other plans in Michigan, assets vs. participants

Scale composition for Spectrum Health System 403(b) Plan

Spectrum Health System 403(b) Plan reports $3.2B in end-of-year assets across 32,821 participants (0.026% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.035% of 93,925,755 covered participants) - about $97,920 per participant (71% of the national average assets-per-participant) . Net income for plan year 2024 was $389M.

This plan identity (EIN 383382353, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $2.3B to $3.2B (+37.1%) while covered participants moved from 26,631 to 32,821 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 26,631 $2.3B Open filing
2023 31,443 $2.8B Open filing
2024 · index core 32,821 $3.2B This page

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

Spectrum Health System 403(b) Plan's out-of-state Other peers by assets and headcount

Outside Michigan, the nearest Other by assets is Memorial Hermann Health System Employees' Retirement Savings Plan in TX ($3.3B); by covered participants it is Ochsner Clinic Foundation 403(b) Plan in LA (32,975 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (32,821 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 Spectrum Health System 403(b) Plan assets move in 2024?
Spectrum Health System 403(b) Plan grew at a solid clip - up 13.8% during 2024, from $2.8B to $3.2B. Reported net income was $389M.
How have Corewell Health plan assets changed over time?
Across 3 plan years on file (2022-2024), Corewell Health's sponsor-wide assets grew 33.3%, from $2.6B to $3.4B.
Where does Spectrum Health System 403(b) Plan rank by assets among Form 5500 filers?
Spectrum Health System 403(b) Plan ranks in the 100th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which Other plans are similar in size to Spectrum Health System 403(b) Plan?
Among Other plans in other states, the closest by assets is Memorial Hermann Health System Employees' Retirement Savings Plan in TX ($3.3B, 33,543 participants).
Which Other plans cover a similar participant headcount to Spectrum Health System 403(b) Plan?
Among Other plans in other states, the closest by covered participants is Ochsner Clinic Foundation 403(b) Plan in LA (32,975 participants, $194M in assets).