401(k) · DOL Form 5500 · 2024

Thornton Byron L.L.P. 401(k) Plan

Data updated 2026-08-25

$4M
Total assets Small plan by assets
12
Participants Small participant base
39th
Percentile by assets National rank
$354,428
Avg per participant High balance/head
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Official DOL plan name: Thornton Byron L.L.P. 401(k) Plan · Sponsored by Thornton Byron L.L.P. · Idaho · Professional & Technical Services

$4M in assets, 12 participants

Thornton Byron L.L.P.'s Thornton Byron L.L.P. 401(k) Plan reported $4M in total assets and 12 participants in its 2024 DOL Form 5500 filing, ranking in the 39th 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.

  • #7,356 in Professional & Technical Services (20,173 peers)

Thornton Byron L.L.P. multi-year trail

Thornton Byron L.L.P.'s plans moved +28.7% in assets from 2022 to 2024; this filing shows Thornton Byron L.L.P. 401(k) Plan at $4M / 12 participants.

#7,356
in Professional & Technical Services (20,173 peers)
+12.4%
assets growth YoY

Thornton Byron L.L.P. 401(k) Plan's mid-pack asset rank among Professional & Technical Services and all filers

Thornton Byron L.L.P. 401(k) Plan vs every filed plan by assets

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

$4,253,130 39th percentile higher than 39% of 123,620 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 2024

Thornton Byron L.L.P. 401(k) Plan among smaller filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Thornton Byron L.L.P. 401(k) Plan is a small filing (12 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Thornton Byron L.L.P. 401(k) Plan end-of-year assets rose from $4M in the plan year 2023 filing to $4M in the plan year 2024 filing.
  • Thornton Byron L.L.P. 401(k) Plan reported participants fell from 13 in the plan year 2023 filing to 12 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 820529159 · Thornton Byron L.L.P. PY 2024 · 401(k)

Thornton Byron L.L.P. 401(k) Plan · $4M · 12 · 39th

  • NET $4M
  • BOOK 12
  • VS-ST 39th
  • BOY 401(k)
  • SCH near M & L Power Systems Maintenance, Inc. 401(k) Profit Sharing Plan
  • EBSA ind #7356

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 Idaho →

Thornton Byron L.L.P. 401(k) Plan in the asset neighbourhood

Thornton Byron L.L.P. 401(k) PlanThornton Byron L.L.P. 401(k)…$4MM & L Power Systems Maintenance, Inc. 401(k) Profit Sharing PlanM & L Power Systems Maintena…$4MLeonard Management 401(k) PlanLeonard Management 401(k) Pl…$4MEarthcore Retirement Plan$4MKdp Investments, LLC 401(k) PlanKdp Investments, LLC 401(k) …$4M
End-of-year total assets ($M) among Thornton Byron L.L.P. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Thornton Byron L.L.P. multi-year asset trail

Sponsor-wide plan assets over time

All Thornton Byron L.L.P. plans reported in each filing year

Latest sponsor-wide plan assets
$4M 28.67809011608206% vs 2022
2024 filing year
$3M$3.5M$4M$4.5M 202220232024 $3.31M $4.25M ▲ +28.4%
Year Plans Participants Total Assets
2022 1 14 $3M
2023 1 13 $4M
2024 1 12 $4M

Thornton Byron L.L.P. filing trail (2024)

Total Assets (Beginning of Year)$4M
Net Assets (End of Year)$4M
Net Income$469K
Employer EIN820529159
Plan Effective Date2001-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Idaho

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

Thornton Byron L.L.P. 401(k) Plan vs. nearby 401(k) plans in Idaho, assets vs. participants Scatter plot of 6 data points. -20000200040006000800010000 -101234 Total assets ($B) Participants Thornton Byron L.L.P. 401(k) Plan, Total assets ($B): 0.00425313 · Participants: 12Thornton Byron L.L.P. 401(k) PlanMicron Technology Inc. Retirement at Micron (Ram) Plan, Total assets ($B): 3.744829372 · Participants: 8598Micron Technology Inc. Retirement at Micron (Ram) PlanIdaho National Laboratory Employee Investment Plan, Total assets ($B): 2.548581207 · Participants: 6632Idaho National Laboratory Employee Investment PlanSimplot Retirement Savings Plan, Total assets ($B): 1.560177552 · Participants: 9012Simplot Retirement Savings PlanIdaho Power Company Employee Savings Plan, Total assets ($B): 0.889896808 · Participants: 2119Idaho Power Company Employee Savings PlanBoise Cascade Company Savings Plan, Total assets ($B): 0.740356793 · Participants: 3902Boise Cascade Company Savings Plan
Thornton Byron L.L.P. 401(k) Plan vs. nearby 401(k) plans in Idaho, assets vs. participants
Compare Thornton Byron L.L.P. 401(k) Plan side-by-side with 3 peers →

Thornton Byron L.L.P. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Idaho, the nearest 401(k) by assets is M & L Power Systems Maintenance, Inc. 401(k) Profit Sharing Plan in NJ ($4M); by covered participants it is Hoyt Hayes, Jr. Construction, Inc. Profit Sharing Plan in TN (12 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($4M here).

Similar participant headcount

Nearest other-state filings by covered participants (12 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Thornton Byron L.L.P. 401(k) Plan assets move in 2024? ▼
Thornton Byron L.L.P. 401(k) Plan grew at a solid clip - up 12.4% during 2024, from $4M to $4M. Reported net income was $469K.
How have Thornton Byron L.L.P. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Thornton Byron L.L.P.'s sponsor-wide assets grew 28.7%, from $3M to $4M.
Which 401(k) plans are similar in size to Thornton Byron L.L.P. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is M & L Power Systems Maintenance, Inc. 401(k) Profit Sharing Plan in NJ ($4M, 12 participants).
Which 401(k) plans cover a similar participant headcount to Thornton Byron L.L.P. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Hoyt Hayes, Jr. Construction, Inc. Profit Sharing Plan in TN (12 participants, $9M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 820529159.

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.