401(k) · DOL Form 5500 · 2023

Iowa Health System 401(k) Plan

Data updated 2026-08-25

$3.0B
Total assets Very large vs avg
28,959
Participants Very large workforce
100th
Percentile by assets National rank
$102,066
Avg per participant Below avg balance/head
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Official DOL plan name: Iowa Health System Section 401(k) Retirement Savings Plan · Sponsored by Iowa Health System · Iowa · Healthcare & Social Assistance

$3.0B in assets, 28,959 participants

Iowa Health System's Iowa Health System Section 401(k) Retirement Savings Plan reported $3.0B in total assets and 28,959 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.

  • #17,631 in Healthcare & Social Assistance (17,684 peers)

Coverage in Iowa

Iowa Health System Section 401(k) Retirement Savings Plan covers 28,959 participants in Iowa, 48x the typical Iowa plan (state average ~609 per filing). Assets: $3.0B.

#17,631
in Healthcare & Social Assistance (17,684 peers)
+10.1%
assets growth YoY
30×
vs typical plan assets (national mean)

Iowa Health System Section 401(k) Retirement Savings Plan's outsized position by total assets

Iowa Health System Section 401(k) Retirement Savings Plan vs every filed plan by assets

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

$2,955,731,563 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

Iowa Health System Section 401(k) Retirement Savings 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. Iowa Health System Section 401(k) Retirement Savings Plan is a mega filing (28,959 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Iowa Health System Section 401(k) Retirement Savings Plan reported net income rose from -$504M in the plan year 2022 filing to $265M in the plan year 2023 filing.
  • Iowa Health System Section 401(k) Retirement Savings Plan end-of-year assets rose from $2.7B in the plan year 2022 filing to $3.0B in the plan year 2023 filing.
  • Iowa Health System Section 401(k) Retirement Savings Plan reported participants rose from 28,603 in the plan year 2022 filing to 28,959 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 421435199 · Iowa Health System PY 2023 · 401(k)

Iowa Health System Section 401(k) Retirement Savings Plan · $3.0B · 28,959 · 100th

  • PART $3.0B
  • PART 28,959
  • PART 100th
  • PART 401(k)
  • PART near Xcel Energy 401(k) Savings Plan
  • PART ind #17631

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 Iowa →

Iowa Health System Section 401(k) Retirement Savings Plan in the asset neighbourhood

Iowa Health System Section 401(k) Retirement Savings PlanIowa Health System Section 4…$3.0BU.S. Associate Savings Plan$3.0BXcel Energy 401(k) Savings PlanXcel Energy 401(k) Savings P…$2.9BJustworks Retirement Savings PlanJustworks Retirement Savings…$2.9BInova Health System Retirement Savings PlanInova Health System Retireme…$2.9B
End-of-year total assets ($B) among Iowa Health System Section 401(k) Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Iowa filing particulars

Total Assets (Beginning of Year)$2.7B
Net Assets (End of Year)$3.0B
Net Income$265M
Employer EIN421435199
Plan Effective Date2001-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Iowa Health System)

Sponsor-wide plan assets over time

All Iowa Health System plans reported in each filing year

Latest sponsor-wide plan assets
$3.4B 22.666682709713903% vs 2022
2024 filing year
$2.6B$2.8B$3B$3.2B$3.4B$3.6B 202220232024 $2.75B $3.37B ▲ +22.5%
Year Plans Participants Total Assets
2022 2 29,710 $2.7B
2023 2 29,936 $3.0B
2024 2 25,980 $3.4B

Nearby 401(k) Plans in Iowa

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Iowa Health System Section 401(k) Retirement Savings Plan vs. nearby 401(k) plans in Iowa, assets vs. participants Scatter plot of 6 data points. 0200004000060000 12345 Total assets ($B) Participants Iowa Health System Section 401(k) Retirement Savings Plan, Total assets ($B): 2.955731563 · Participants: 28959Iowa Health System Section 401(k) Retirement Savings PlanThe Principal Select Savings Plan, Total assets ($B): 4.134174305 · Participants: 12827The Principal Select Savings PlanThe Hy-Vee and Affiliates 401(k) Plan, Total assets ($B): 2.941182172 · Participants: 56181The Hy-Vee and Affiliates 401(k) PlanThe Rsm US LLP Retirement Plan, Total assets ($B): 2.890404508 · Participants: 14720The Rsm US LLP Retirement PlanTransamerica 401(k) Retirement Savings Plan, Total assets ($B): 2.425600114 · Participants: 6999Transamerica 401(k) Retirement Savings PlanMidamerican Energy Company Retirement Savings Plan, Total assets ($B): 1.705430338 · Participants: 5056Midamerican Energy Company Retirement Savings Plan
Iowa Health System Section 401(k) Retirement Savings Plan vs. nearby 401(k) plans in Iowa, assets vs. participants
Compare Iowa Health System Section 401(k) Retirement Savings Plan side-by-side with 3 peers →

Scale composition for Iowa Health System Section 401(k) Retirement Savings Plan

Iowa Health System Section 401(k) Retirement Savings Plan reports $3.0B in end-of-year assets across 28,959 participants (0.024% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.031% of 93,925,755 covered participants) - about $102,066 per participant (74% of the national average assets-per-participant) . Net income for plan year 2023 was $265M.

This plan identity (EIN 421435199, plan #006) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $2.7B to $3.3B (+23.2%) while covered participants moved from 28,603 to 25,072 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 28,603 $2.7B Open filing
2023 28,959 $3.0B This page
2024 · index core 25,072 $3.3B Open filing

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

Iowa Health System Section 401(k) Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Iowa, the nearest 401(k) by assets is Xcel Energy 401(k) Savings Plan in MN ($2.9B); by covered participants it is St. Joseph and Covenant Health Systems 401(k) Plan in WA (28,968 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($3.0B here).

Similar participant headcount

Nearest other-state filings by covered participants (28,959 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 Iowa Health System Section 401(k) Retirement Savings Plan assets move in 2023? ▼
Iowa Health System Section 401(k) Retirement Savings Plan grew at a solid clip - up 10.1% during 2023, from $2.7B to $3.0B. Reported net income was $265M.
How have Iowa Health System plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Iowa Health System's sponsor-wide assets grew 22.7%, from $2.7B to $3.4B.
Where does Iowa Health System Section 401(k) Retirement Savings Plan rank by assets among Form 5500 filers? ▼
Iowa Health System Section 401(k) Retirement Savings Plan 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 401(k) plans are similar in size to Iowa Health System Section 401(k) Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Xcel Energy 401(k) Savings Plan in MN ($2.9B, 9,334 participants).
Which 401(k) plans cover a similar participant headcount to Iowa Health System Section 401(k) Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is St. Joseph and Covenant Health Systems 401(k) Plan in WA (28,968 participants, $3.9B 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 421435199.

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.