401(k) · DOL Form 5500 · 2024

Rhombus Power, Inc 401(k) Plan

Data updated 2026-08-25

$8M
Total assets Small plan by assets
143
Participants Small participant base
52nd
Percentile by assets National rank
$58,885
Avg per participant Low balance/head
PlainRetire home → About this data

Official DOL plan name: Rhombus Power, Inc 401(k) Plan · Sponsored by Rhombus Power, Inc · California · Professional & Technical Services

$8M in assets, 143 participants

Rhombus Power, Inc's Rhombus Power, Inc 401(k) Plan reported $8M in total assets and 143 participants in its 2024 DOL Form 5500 filing, ranking in the 52nd 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.

  • #10,143 in Professional & Technical Services (20,173 peers)

Coverage in California

Rhombus Power, Inc 401(k) Plan covers 143 participants in California, about 23% of the average California filer (state average ~630 per filing). Assets: $8M.

#10,143
in Professional & Technical Services (20,173 peers)
+85.5%
assets growth YoY

Rhombus Power, Inc 401(k) Plan's mid-pack asset rank among Professional & Technical Services and all filers

Rhombus Power, Inc 401(k) Plan vs every filed plan by assets

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

$8,420,574 Top 48% higher than 52% 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

Rhombus Power, Inc 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Rhombus Power, Inc 401(k) Plan sits mid-pack in the medium band (143 participants).

DOL schedule card

Filing strip 900716854 · Rhombus Power, Inc PY 2024 · 401(k)

Rhombus Power, Inc 401(k) Plan · $8M · 143 · 52nd

  • RANK $8M
  • PHOTO 143
  • IND 52nd
  • EOY 401(k)
  • 5500 near The Master 401(k) Plan
  • ASSETS ind #10143

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 California →

Rhombus Power, Inc 401(k) Plan in the asset neighbourhood

Rhombus Power, Inc 401(k) PlanRhombus Power, Inc 401(k) Pl…$8MThe Master 401(k) Plan$8MControlled Air, Inc. 401(k) Profit Sharing PlanControlled Air, Inc. 401(k) …$8MOnapsis Inc. 401(k) and Profit Sharing PlanOnapsis Inc. 401(k) and Prof…$8MDermatology Associates of Atlanta, P.C. 401(k) Profit Sharing PlanDermatology Associates of At…$8M
End-of-year total assets ($M) among Rhombus Power, Inc 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$5M
Net Assets (End of Year)$8M
Net Income$4M
Employer EIN900716854
Plan Effective Date2019-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in California

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

Rhombus Power, Inc 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Rhombus Power, Inc 401(k) Plan, Total assets ($B): 0.008420574 · Participants: 143Rhombus Power, Inc 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Rhombus Power, Inc 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants

Rhombus Power, Inc 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is The Master 401(k) Plan in TX ($8M); by covered participants it is Blairex Laboratories, Inc. 401(k) in IN (143 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (143 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 Rhombus Power, Inc 401(k) Plan assets move in 2024?
Rhombus Power, Inc 401(k) Plan surged - up 85.5% during 2024, from $5M to $8M. Reported net income was $4M.
Which 401(k) plans are similar in size to Rhombus Power, Inc 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is The Master 401(k) Plan in TX ($8M, 171 participants).
Which 401(k) plans cover a similar participant headcount to Rhombus Power, Inc 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Blairex Laboratories, Inc. 401(k) in IN (143 participants, N/A in assets).