401(k) · DOL Form 5500 · 2023
Corewell Health 401(k) Plan
Data updated 2026-08-25
- $2.8B
- Total assets Very large vs avg
- 31,443
- Participants Very large workforce
- 100th
- Percentile by assets National rank
- $89,840
- Avg per participant Below avg balance/head
Official DOL plan name: Spectrum Health System 403(b) Plan · Sponsored by Corewell Health · Michigan · Healthcare & Social Assistance
$2.8B in assets, 31,443 participants
Corewell Health's Spectrum Health System 403(b) Plan reported $2.8B in total assets and 31,443 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.
- #17,624 in Healthcare & Social Assistance (17,684 peers)
Coverage in Michigan
Spectrum Health System 403(b) Plan covers 31,443 participants in Michigan, 49x the typical Michigan plan (state average ~638 per filing). Assets: $2.8B.
- #17,624
- in Healthcare & Social Assistance (17,684 peers)
- +20.5%
- assets growth YoY
- 28×
- 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 2023 · DOL Form 5500
$2,824,830,226 Highest reported value at or above every one of 127,068 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023
Spectrum Health System 403(b) Plan'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. Spectrum Health System 403(b) Plan is a mega filing (31,443 participants), the rightmost band on the breakdown.
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Spectrum Health System 403(b) Plan reported net income rose from -$336M in the plan year 2022 filing to $480M in the plan year 2023 filing.
- Spectrum Health System 403(b) Plan end-of-year assets rose from $2.3B in the plan year 2022 filing to $2.8B in the plan year 2023 filing.
- Spectrum Health System 403(b) Plan reported participants rose from 26,631 in the plan year 2022 filing to 31,443 in the plan year 2023 filing.
Plan-year Form 5500 strip
Filing strip 383382353 · Corewell Health PY 2023 · 401(k)
Spectrum Health System 403(b) Plan · $2.8B · 31,443 · 100th
- PHOTO $2.8B
- IND 31,443
- EOY 100th
- 5500 401(k)
- ASSETS near Envision Healthcare Operating Inc. 401(k) Plan
- PCT ind #17624
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
Michigan filing particulars
| Total Assets (Beginning of Year) | $2.3B |
|---|---|
| Net Assets (End of Year) | $2.8B |
| Net Income | $480M |
| Employer EIN | 383382353 |
| Plan Effective Date | 1999-01-01 |
| Filing Status | FILING 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
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 29,209 | $2.6B |
| 2023 | 2 | 33,805 | $3.1B |
| 2024 | 2 | 35,007 | $3.4B |
Nearby 401(k) Plans in Michigan
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- General Motors Retirement Savings Plan for Salaried Employees in the United States $20.4B · 47,299
- Ford Motor Co. Savings and Stock Investment Plan for Salaried Employees $15.6B · 30,516
- The Dow Chemical Company Employees' Savings Plan $10.1B · 18,088
- The General Motors Personal Savings Plan for Hourly-Rate Employees in the United States $8.6B · 40,393
- Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees $7.6B · 59,195
Scale composition for Spectrum Health System 403(b) Plan
Spectrum Health System 403(b) Plan reports $2.8B in end-of-year assets across 31,443 participants (0.023% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.033% of 93,925,755 covered participants) - about $89,840 per participant (65% of the national average assets-per-participant) . Net income for plan year 2023 was $480M.
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 | This page |
| 2024 · index core | 32,821 | $3.2B | Open filing |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Spectrum Health System 403(b) Plan (Other, $3.2B, 32,821 participants)
- Spectrum Health Pension Plan (Defined Benefit (Pension), $229M, 2,186 participants)
Spectrum Health System 403(b) Plan's out-of-state 401(k) peers by assets and headcount
Outside Michigan, the nearest 401(k) by assets is Envision Healthcare Operating Inc. 401(k) Plan in TN ($2.8B); by covered participants it is Carmax, Inc. Retirement Savings Plan in VA (31,272 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($2.8B here).
- Envision Healthcare Operating Inc. 401(k) Plan (TN) $2.8B · 22,814
- S&c 401(k) Retirement Savings & ESOP (IL) $2.8B · 2,564
- Ball Corporation 401(k) and Employee Stock Ownership Plan (CO) $2.8B · 10,349
- Te Connectivity Retirement Savings and Investment Plan (PA) $2.8B · 9,276
Similar participant headcount
Nearest other-state filings by covered participants (31,443 participants); asset peers above are excluded.
- Carmax, Inc. Retirement Savings Plan (VA) 31,272 · 171 off
- Ochsner Clinic Foundation 401(k) Plan (LA) 31,221 · 222 off
- Bae Systems Employees' Savings and Investment Plan (VA) 31,681 · 238 off
- Performance Food Group Employee Savings Plan (VA) 31,690 · 247 off
DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.