401(k) · DOL Form 5500 · 2024

Terrapower, LLC 401(k) Plan

Data updated 2026-08-11

$97M
Total assets
550
Participants
90th
Percentile by assets
$175,810
Avg per participant
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Official DOL plan name: Terrapower, LLC 401(k) Plan · Sponsored by Terrapower, LLC · Washington · Professional & Technical Services

$97M in assets, 550 participants

Terrapower, LLC's Terrapower, LLC 401(k) Plan reported $97M in total assets and 550 participants in its 2024 DOL Form 5500 filing, ranking in the 90th 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.

  • 90th percentile by assets (of 123,622 plans)
  • #18,412 in Professional & Technical Services (20,173 peers)

Coverage in Washington

Terrapower, LLC 401(k) Plan covers 550 participants in Washington, about 37% of the average Washington filer (state average ~1,476 per filing). Assets: $97M.

$97M
total plan assets (2024 EOY)
550
covered participants
90th
percentile by assets (of 123,622 plans)
$175,810
avg assets per participant

Where Terrapower, LLC 401(k) Plan sits by total assets

Terrapower, LLC 401(k) Plan vs every filed plan by assets

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

$96,695,225 Top 10% higher than 90% of 123,620 filed plans

This plan $0 $2,010,000,000 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

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Terrapower, LLC 401(k) Plan reported participants rose from 406 in the plan year 2023 filing to 550 in the plan year 2024 filing.
  • Terrapower, LLC 401(k) Plan end-of-year assets rose from $72M in the plan year 2023 filing to $97M in the plan year 2024 filing.
  • Terrapower, LLC 401(k) Plan reported net income rose from $21M in the plan year 2023 filing to $25M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Participants vs Washington filers

In Washington, the average filing covers about 1,476 participants across 2,612 plans. Terrapower, LLC 401(k) Plan reports 550 participants - about 37% of that state average ($97M EOY assets).

Washington filing particulars

Total Assets (Beginning of Year)$72M
Net Assets (End of Year)$97M
Net Income$25M
Employer EIN263743526
Plan Effective Date2013-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Terrapower, LLC)

$40M$60M$80M$100M$120M 202220232024 $50.9M $96.7M ▲ +89.9%
Total plan assets by year, all Terrapower, LLC plans on file
Year Plans Participants Total Assets
2022 1 303 $51M
2023 1 406 $72M
2024 1 550 $97M

Nearby 401(k) Plans in Washington

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

Terrapower, LLC 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Terrapower, LLC 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -500000050000010000001500000 -20020406080 Total assets ($B) Participants Terrapower, LLC 401(…The Boeing Company 4…Microsoft Corporatio…Costco 401(k) Retire…Amazon 401(k) Plan401(k) Savings Plan
Terrapower, LLC 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Terrapower, LLC 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Terrapower, LLC 401(k) Plan assets move in 2024?
Terrapower, LLC 401(k) Plan surged - up 34.4% during 2024, from $72M to $97M. Reported net income was $25M.
How have Terrapower, LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Terrapower, LLC's sponsor-wide assets grew 89.9%, from $51M to $97M.
Where does Terrapower, LLC 401(k) Plan rank by assets among Form 5500 filers?
Terrapower, LLC 401(k) Plan ranks in the 90th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Terrapower, LLC 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Winona Health Employees' Retirement Plan in MN ($97M, 920 participants).

Filing takeaways

Ways to act on Terrapower, LLC 401(k) Plan's numbers.