401(k) · DOL Form 5500 · 2024

Mammoth Electric, Inc. 401(k) Plan

Data updated 2026-08-25

$3M
Total assets Small plan by assets
171
Participants Small participant base
32nd
Percentile by assets National rank
$15,336
Avg per participant Low balance/head
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Official DOL plan name: Mammoth Electric, Inc. 401(k) & Profit Sharing Plan · Sponsored by Mammoth Electric, Inc. · California · Construction

$3M in assets, 171 participants

Mammoth Electric, Inc.'s Mammoth Electric, Inc. 401(k) & Profit Sharing Plan reported $3M in total assets and 171 participants in its 2024 DOL Form 5500 filing, ranking in the 32nd 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.

  • #2,804 in Construction (9,039 peers)

Coverage in California

Mammoth Electric, Inc. 401(k) & Profit Sharing Plan covers 171 participants in California, about 27% of the average California filer (state average ~630 per filing). Assets: $3M.

#2,804
in Construction (9,039 peers)
+35.5%
assets growth YoY

Mammoth Electric, Inc. 401(k) & Profit Sharing Plan among the smaller filed plans by assets

Mammoth Electric, Inc. 401(k) & Profit Sharing Plan vs every filed plan by assets

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

$2,622,468 32nd percentile higher than 32% 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

Mammoth Electric, Inc. 401(k) & Profit Sharing 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. Mammoth Electric, Inc. 401(k) & Profit Sharing Plan sits mid-pack in the medium band (171 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mammoth Electric, Inc. 401(k) & Profit Sharing Plan end-of-year assets rose from $2M in the plan year 2023 filing to $3M in the plan year 2024 filing.
  • Mammoth Electric, Inc. 401(k) & Profit Sharing Plan reported net income rose from $560K in the plan year 2023 filing to $687K in the plan year 2024 filing.
  • Mammoth Electric, Inc. 401(k) & Profit Sharing Plan reported participants rose from 147 in the plan year 2023 filing to 171 in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 330652573 · Mammoth Electric, Inc. PY 2024 · 401(k)

Mammoth Electric, Inc. 401(k) & Profit Sharing Plan · $3M · 171 · 32nd

  • EBSA $3M
  • PART 171
  • TYPE 32nd
  • NET 401(k)
  • BOOK near Three Oaks Hospice 401(k) Plan
  • VS-ST ind #2804

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 Construction retirement plans → · Plans in California →

Mammoth Electric, Inc. 401(k) & Profit Sharing Plan in the asset neighbourhood

Mammoth Electric, Inc. 401(k) & Profit Sharing PlanMammoth Electric, Inc. 401(k…$3MThree Oaks Hospice 401(k) PlanThree Oaks Hospice 401(k) Pl…$3MRetirement Plan$3MUinta Brewing Company Retirement PlanUinta Brewing Company Retire…$3MGci Retirement Plan$3M
End-of-year total assets ($M) among Mammoth Electric, Inc. 401(k) & Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$2M
Net Assets (End of Year)$3M
Net Income$687K
Employer EIN330652573
Plan Effective Date2018-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mammoth Electric, Inc.)

Sponsor-wide plan assets over time

All Mammoth Electric, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$3M 90.65048777313878% vs 2022
2024 filing year
$1M$1.5M$2M$2.5M$3M 202220232024 $1.38M $2.62M ▲ +89.9%
Year Plans Participants Total Assets
2022 1 162 $1M
2023 1 147 $2M
2024 1 171 $3M

Nearby 401(k) Plans in California

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

Mammoth Electric, Inc. 401(k) & Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Mammoth Electric, Inc. 401(k) & Profit Sharing Plan, Total assets ($B): 0.002622468 · Participants: 171Mammoth Electric, Inc. 401(k) & Profit Sharing 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
Mammoth Electric, Inc. 401(k) & Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Mammoth Electric, Inc. 401(k) & Profit Sharing Plan side-by-side with 3 peers →

Mammoth Electric, Inc. 401(k) & Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Three Oaks Hospice 401(k) Plan in TX ($3M); by covered participants it is Life Tech Inc in NJ (171 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($3M here).

Similar participant headcount

Nearest other-state filings by covered participants (171 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 Mammoth Electric, Inc. 401(k) & Profit Sharing Plan assets move in 2024? ▼
Mammoth Electric, Inc. 401(k) & Profit Sharing Plan surged - up 35.5% during 2024, from $2M to $3M. Reported net income was $687K.
How have Mammoth Electric, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mammoth Electric, Inc.'s sponsor-wide assets grew 90.7%, from $1M to $3M.
Which 401(k) plans are similar in size to Mammoth Electric, Inc. 401(k) & Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Three Oaks Hospice 401(k) Plan in TX ($3M, 681 participants).
Which 401(k) plans cover a similar participant headcount to Mammoth Electric, Inc. 401(k) & Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Life Tech Inc in NJ (171 participants, $60K 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 330652573.

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.