401(k) · DOL Form 5500 · 2022

Terrapower, LLC 401(k) Plan

Data updated 2026-08-25

$51M
Total assets Below avg plan size
303
Participants Below avg headcount
88th
Percentile by assets National rank
$168,016
Avg per participant Above avg balance/head
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Official DOL plan name: Terrapower, LLC 401(k) Plan · Sponsored by Terrapower, LLC · Washington · Professional & Technical Services

$51M in assets, 303 participants

Terrapower, LLC's Terrapower, LLC 401(k) Plan reported $51M in total assets and 303 participants in its 2022 DOL Form 5500 filing, ranking in the 88th 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.

  • #19,238 in Professional & Technical Services (21,562 peers)

Coverage in Washington

Terrapower, LLC 401(k) Plan covers 303 participants in Washington, about 21% of the average Washington filer (state average ~1,476 per filing). Assets: $51M.

#19,238
in Professional & Technical Services (21,562 peers)
-0.3%
assets change YoY
0.5×
vs typical plan assets (national mean)

The plan reported a net loss of $147K for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Terrapower, LLC 401(k) Plan's outsized position by total assets

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

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

$50,908,811 Top 12% higher than 88% 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

Terrapower, LLC 401(k) 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. Terrapower, LLC 401(k) Plan sits mid-pack in the medium band (303 participants).

Form 5500 schedule snapshot

Filing strip 263743526 · Terrapower, LLC PY 2022 · 401(k)

Terrapower, LLC 401(k) Plan · $51M · 303 · 88th

  • EBSA $51M
  • PART 303
  • TYPE 88th
  • NET 401(k)
  • BOOK near Just Born, Inc. Savings and Investment Plan (Salaried)
  • VS-ST ind #19238

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 Professional & Technical Services retirement plans → · Plans in Washington →

Terrapower, LLC 401(k) Plan in the asset neighbourhood

Twist Bioscience Corporation 401(k) PlanTwist Bioscience Corporation…$51MTerrapower, LLC 401(k) Plan$51MJust Born, Inc. Savings and Investment Plan (Salaried)Just Born, Inc. Savings and …$51MMaxwell, Locke & Ritter, LLP 401(k) Profit Sharing PlanMaxwell, Locke & Ritter, LLP…$51MPay and Save Inc 401(k) Plan$51M
End-of-year total assets ($M) among Terrapower, LLC 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Washington filing particulars

Total Assets (Beginning of Year)$51M
Net Assets (End of Year)$51M
Net Income-$147K
Employer EIN263743526
Plan Effective Date2013-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Terrapower, LLC)

Sponsor-wide plan assets over time

All Terrapower, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$97M 89.93809342748155% vs 2022
2024 filing year
$40M$60M$80M$100M$120M 202220232024 $50.9M $96.7M ▲ +89.9%
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 Scatter plot of 6 data points. -500000050000010000001500000 -20020406080 Total assets ($B) Participants Terrapower, LLC 401(k) Plan, Total assets ($B): 0.050908811 · Participants: 303Terrapower, LLC 401(k) PlanThe Boeing Company 401(k) Retirement Plan, Total assets ($B): 63.503643295 · Participants: 118434The Boeing Company 401(k) Retirement PlanMicrosoft Corporation Savings Plus 401(k) Plan, Total assets ($B): 39.602667639 · Participants: 109797Microsoft Corporation Savings Plus 401(k) PlanCostco 401(k) Retirement Plan, Total assets ($B): 25.912962472 · Participants: 181505Costco 401(k) Retirement PlanAmazon 401(k) Plan, Total assets ($B): 17.732345025 · Participants: 1230308Amazon 401(k) PlanT-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust, Total assets ($B): 7.280031396 · Participants: 75797T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust
Terrapower, LLC 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants
Compare Terrapower, LLC 401(k) Plan side-by-side with 3 peers →

Terrapower, LLC 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Washington, the nearest 401(k) by assets is Just Born, Inc. Savings and Investment Plan (Salaried) in PA ($51M); by covered participants it is Geographic Solutions, Inc. 401(k) Plan and Trust in FL (303 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (303 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 Terrapower, LLC 401(k) Plan assets move in 2022? ▼
Terrapower, LLC 401(k) Plan held essentially flat - down 0.3% during 2022, from $51M to $51M. Reported net income was -$147K.
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 88th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top quartile 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 Just Born, Inc. Savings and Investment Plan (Salaried) in PA ($51M, 147 participants).
Which 401(k) plans cover a similar participant headcount to Terrapower, LLC 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Geographic Solutions, Inc. 401(k) Plan and Trust in FL (303 participants, $8M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 263743526.

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.