401(k) · DOL Form 5500 · 2022

MISO 401(k) Plan

Data updated 2026-08-25

$303M
Total assets Above avg plan size
977
Participants Near avg headcount
97th
Percentile by assets National rank
$310,584
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Miso Employees' Retirement Savings Plan · Sponsored by MISO · Indiana · Utilities

$303M in assets, 977 participants

MISO's Miso Employees' Retirement Savings Plan reported $303M in total assets and 977 participants in its 2022 DOL Form 5500 filing, ranking in the 97th 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.

  • #576 in Utilities (738 peers)

Where Miso Employees' Retirement Savings Plan sits by assets

Miso Employees' Retirement Savings Plan sits in the top 5% of all filed plans by assets, $303M for 977 participants (~$310,584/participant), down 18.3% in 2022.

#576
in Utilities (738 peers)
-18.3%
assets change YoY
3.0×
vs typical plan assets (national mean)

The plan reported a net loss of $68M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Miso Employees' Retirement Savings Plan's outsized position by total assets

Miso Employees' Retirement Savings Plan vs every filed plan by assets

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

$303,440,699 Top 3% higher than 97% 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

Miso Employees' Retirement Savings Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Miso Employees' Retirement Savings Plan sits mid-pack in the medium band (977 participants).

Plan-year Form 5500 strip

Filing strip 431827033 · MISO PY 2022 · 401(k)

Miso Employees' Retirement Savings Plan · $303M · 977 · 97th

  • EIN $303M
  • EIN 977
  • EIN 97th
  • EIN 401(k)
  • EIN near Senior Operations LLC 401(k) Profit Sharing Investment Plan
  • EIN ind #576

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 Utilities retirement plans → · Plans in Indiana →

Miso Employees' Retirement Savings Plan in the asset neighbourhood

The First Financial Bankshares Inc 401(k) Profit Sharing and Employee Stock Ownership Plan & TrustThe First Financial Bankshar…$304MEnloe Medical Center Retirement Savings PlanEnloe Medical Center Retirem…$304MMiso Employees' Retirement Savings PlanMiso Employees' Retirement S…$303MSenior Operations LLC 401(k) Profit Sharing Investment PlanSenior Operations LLC 401(k)…$303MPatagonia Works 401(k) Plan$303M
End-of-year total assets ($M) among Miso Employees' Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$371M
Net Assets (End of Year)$303M
Net Income-$68M
Employer EIN431827033
Plan Effective Date1999-08-01
Filing StatusFILING RECEIVED

Sponsor Plan History (MISO)

Sponsor-wide plan assets over time

All MISO plans reported in each filing year

Latest sponsor-wide plan assets
$421M 38.804529315957055% vs 2022
2024 filing year
$250M$300M$350M$400M$450M 202220232024 $303M $421M ▲ +38.8%
Year Plans Participants Total Assets
2022 1 977 $303M
2023 1 1,028 $362M
2024 1 1,086 $421M

Nearby 401(k) Plans in Indiana

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

Miso Employees' Retirement Savings Plan vs. nearby 401(k) plans in Indiana, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -50510 Total assets ($B) Participants Miso Employees' Retirement Savings Plan, Total assets ($B): 0.303440699 · Participants: 977Miso Employees' Retirement Savings PlanElevance Health 401(k) Plan, Total assets ($B): 9.467911456 · Participants: 71898Elevance Health 401(k) PlanThe Lilly Employee 401(k) Plan, Total assets ($B): 8.875255354 · Participants: 15607The Lilly Employee 401(k) PlanCummins Retirement and Savings Plan, Total assets ($B): 4.386787904 · Participants: 23710Cummins Retirement and Savings PlanIu Health 401(k) Savings Plan, Total assets ($B): 3.245347601 · Participants: 39243Iu Health 401(k) Savings PlanSteel Dynamics, Inc. Profit Sharing and Retirement Savings Plan, Total assets ($B): 2.020286876 · Participants: 8632Steel Dynamics, Inc. Profit Sharing and Retirement Savings Plan
Miso Employees' Retirement Savings Plan vs. nearby 401(k) plans in Indiana, assets vs. participants

Miso Employees' Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Indiana, the nearest 401(k) by assets is Senior Operations LLC 401(k) Profit Sharing Investment Plan in IL ($303M); by covered participants it is Haynes and Boone Retirement Savings Plan in TX (977 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (977 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 Miso Employees' Retirement Savings Plan assets move in 2022?
Miso Employees' Retirement Savings Plan declined sharply - down 18.3% during 2022, from $371M to $303M. Reported net income was -$68M.
How have MISO plan assets changed over time?
Across 3 plan years on file (2022-2024), MISO's sponsor-wide assets grew 38.8%, from $303M to $421M.
Where does Miso Employees' Retirement Savings Plan rank by assets among Form 5500 filers?
Miso Employees' Retirement Savings Plan ranks in the 97th 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 401(k) plans are similar in size to Miso Employees' Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is Senior Operations LLC 401(k) Profit Sharing Investment Plan in IL ($303M, 2,128 participants).
Which 401(k) plans cover a similar participant headcount to Miso Employees' Retirement Savings Plan?
Among 401(k) plans in other states, the closest by covered participants is Haynes and Boone Retirement Savings Plan in TX (977 participants, $251M in assets).