401(k) · DOL Form 5500 · 2023

Otter Tail Corporation 401(k) Plan

Data updated 2026-08-25

$372M
Total assets Above avg plan size
2,480
Participants Above avg headcount
97th
Percentile by assets National rank
$149,812
Avg per participant Above avg balance/head
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Official DOL plan name: Otter Tail Corporation Retirement Savings · Sponsored by Otter Tail Corporation · Illinois · Utilities

$372M in assets, 2,480 participants

Otter Tail Corporation's Otter Tail Corporation Retirement Savings reported $372M in total assets and 2,480 participants in its 2023 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.

  • #569 in Utilities (721 peers)

Coverage in Illinois

Otter Tail Corporation Retirement Savings covers 2,480 participants in Illinois, 3.2x the typical Illinois plan (state average ~779 per filing). Assets: $372M.

#569
in Utilities (721 peers)
+15.0%
assets growth YoY
3.7×
vs typical plan assets (national mean)

Otter Tail Corporation Retirement Savings's outsized position by total assets

Otter Tail Corporation Retirement Savings vs every filed plan by assets

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

$371,532,743 Top 3% higher than 97% 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

Otter Tail Corporation Retirement Savings's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Otter Tail Corporation Retirement Savings lands in the large band (2,480 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Otter Tail Corporation Retirement Savings reported net income rose from -$62M in the plan year 2022 filing to $48M in the plan year 2023 filing.
  • Otter Tail Corporation Retirement Savings end-of-year assets rose from $323M in the plan year 2022 filing to $372M in the plan year 2023 filing.
  • Otter Tail Corporation Retirement Savings reported participants fell from 2,553 in the plan year 2022 filing to 2,480 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 270383995 · Otter Tail Corporation PY 2023 · 401(k)

Otter Tail Corporation Retirement Savings · $372M · 2,480 · 97th

  • EIN $372M
  • EIN 2,480
  • EIN 97th
  • EIN 401(k)
  • EIN near Advocare, LLC 401(k) Profit Sharing Plan
  • EIN ind #569

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 Illinois →

Otter Tail Corporation Retirement Savings in the asset neighbourhood

The Pew Charitable Trusts Savings PlanThe Pew Charitable Trusts Sa…$372MOtter Tail Corporation Retirement SavingsOtter Tail Corporation Retir…$372MAdvocare, LLC 401(k) Profit Sharing PlanAdvocare, LLC 401(k) Profit …$372MSolaris 401(k) Plan$371MWomble Bond Dickinson (US) LLP Savings and Self Employed Retirement Plan aWomble Bond Dickinson (US) L…$371M
End-of-year total assets ($M) among Otter Tail Corporation Retirement Savings and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Illinois filing particulars

Total Assets (Beginning of Year)$323M
Net Assets (End of Year)$372M
Net Income$48M
Employer EIN270383995
Plan Effective Date1984-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Otter Tail Corporation)

Sponsor-wide plan assets over time

All Otter Tail Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$783M 14.655664234514507% vs 2022
2024 filing year
$650M$700M$750M$800M 202220232024 $683M $783M ▲ +14.7%
Year Plans Participants Total Assets
2022 3 3,664 $683M
2023 3 3,571 $760M
2024 3 3,847 $783M

Nearby 401(k) Plans in Illinois

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

Otter Tail Corporation Retirement Savings vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -505101520 Total assets ($B) Participants Otter Tail Corporation Retirement Savings, Total assets ($B): 0.371532743 · Participants: 2480Otter Tail Corporation Retirement SavingsAccenture United States 401(k) Match Savings Plan, Total assets ($B): 17.594548115 · Participants: 69974Accenture United States 401(k) Match Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 16.935002041 · Participants: 60246State Farm 401(k) Savings PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 14.496191 · Participants: 38012Abbott Laboratories Stock Retirement PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 14.367975914 · Participants: 14959United Airlines Pilot Retirement Account PlanWalgreens Retirement Savings Plan, Total assets ($B): 13.444551767 · Participants: 235331Walgreens Retirement Savings Plan
Otter Tail Corporation Retirement Savings vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Otter Tail Corporation Retirement Savings side-by-side with 3 peers →

Otter Tail Corporation Retirement Savings's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Advocare, LLC 401(k) Profit Sharing Plan in NJ ($372M); by covered participants it is 401(k) Plan for the Washington Post and Companies in WA (2,480 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($372M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,480 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 Otter Tail Corporation Retirement Savings assets move in 2023? ▼
Otter Tail Corporation Retirement Savings grew at a solid clip - up 15.0% during 2023, from $323M to $372M. Reported net income was $48M.
How have Otter Tail Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Otter Tail Corporation's sponsor-wide assets grew 14.7%, from $683M to $783M.
Where does Otter Tail Corporation Retirement Savings rank by assets among Form 5500 filers? ▼
Otter Tail Corporation Retirement Savings ranks in the 97th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Otter Tail Corporation Retirement Savings? ▼
Among 401(k) plans in other states, the closest by assets is Advocare, LLC 401(k) Profit Sharing Plan in NJ ($372M, 2,560 participants).
Which 401(k) plans cover a similar participant headcount to Otter Tail Corporation Retirement Savings? ▼
Among 401(k) plans in other states, the closest by covered participants is 401(k) Plan for the Washington Post and Companies in WA (2,480 participants, $543M 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 270383995.

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.