401(k) · DOL Form 5500 · 2024

Mammoth Energy Partners LLC 401(k) Plan

Data updated 2026-08-25

$41M
Total assets Below avg plan size
730
Participants Near avg headcount
82nd
Percentile by assets National rank
$55,766
Avg per participant Low balance/head
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Official DOL plan name: Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust · Sponsored by Mammoth Energy Partners LLC · Oklahoma · Utilities

$41M in assets, 730 participants

Mammoth Energy Partners LLC's Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust reported $41M in total assets and 730 participants in its 2024 DOL Form 5500 filing, ranking in the 82nd 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.

  • #349 in Utilities (732 peers)

Utilities sector rank

Within Utilities, Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust ranks #349 of 732 2024 filers by assets (1319% of the sector average)-$41M for 730 participants.

#349
in Utilities (732 peers)
+13.3%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust's outsized position by total assets

Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust vs every filed plan by assets

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

$40,709,276 Top 18% higher than 82% 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 Energy Partners 401(k) Profit Sharing Plan and Trust 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 Energy Partners 401(k) Profit Sharing Plan and Trust sits mid-pack in the medium band (730 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust reported participants fell from 1,094 in the plan year 2023 filing to 730 in the plan year 2024 filing.
  • Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust reported net income fell from $6M in the plan year 2023 filing to $5M in the plan year 2024 filing.
  • Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust end-of-year assets rose from $36M in the plan year 2023 filing to $41M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 471902732 · Mammoth Energy Partners LLC PY 2024 · 401(k)

Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust · $41M · 730 · 82nd

  • PHOTO $41M
  • PHOTO 730
  • PHOTO 82nd
  • PHOTO 401(k)
  • PHOTO near Dril-Quip, Inc. Employee 401(k) Retirement Plan
  • PHOTO ind #349

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 Utilities retirement plans → · Plans in Oklahoma →

Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust in the asset neighbourhood

Mammoth Energy Partners 401(k) Profit Sharing Plan and TrustMammoth Energy Partners 401(…$41MDril-Quip, Inc. Employee 401(k) Retirement PlanDril-Quip, Inc. Employee 401…$41MComputer Systems Center Inc 401(k) Retirement PlanComputer Systems Center Inc …$41MJfrog 401(k) Retirement Plan$41MWestern Nevada Supply Company 401(k) PlanWestern Nevada Supply Compan…$41M
End-of-year total assets ($M) among Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Utilities filing particulars

Total Assets (Beginning of Year)$36M
Net Assets (End of Year)$41M
Net Income$5M
Employer EIN471902732
Plan Effective Date2013-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mammoth Energy Partners LLC)

Sponsor-wide plan assets over time

All Mammoth Energy Partners LLC plans reported in each filing year

Latest sponsor-wide plan assets
$41M 34.5269421842422% vs 2022
2024 filing year
$25M$30M$35M$40M$45M 202220232024 $30.3M $40.7M ▲ +34.5%
Year Plans Participants Total Assets
2022 1 827 $30M
2023 1 1,094 $36M
2024 1 730 $41M

Nearby 401(k) Plans in Oklahoma

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

Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust vs. nearby 401(k) plans in Oklahoma, assets vs. participants Scatter plot of 6 data points. 050001000015000 -20246 Total assets ($B) Participants Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust, Total assets ($B): 0.040709276 · Participants: 730Mammoth Energy Partners 401(k) Profit Sharing Plan and TrustQuiktrip Corporation Retirement Plan, Total assets ($B): 4.827423826 · Participants: 13369Quiktrip Corporation Retirement PlanThe Williams Investment Plus Plan, Total assets ($B): 1.978642425 · Participants: 5204The Williams Investment Plus PlanOneok, Inc. 401(k) Plan, Total assets ($B): 1.415489 · Participants: 4756Oneok, Inc. 401(k) PlanBok Financial 401(k) Plan, Total assets ($B): 1.190240873 · Participants: 4907Bok Financial 401(k) PlanDevon Energy Corporation Incentive Savings Plan, Total assets ($B): 1.073833495 · Participants: 1958Devon Energy Corporation Incentive Savings Plan
Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust vs. nearby 401(k) plans in Oklahoma, assets vs. participants
Compare Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust side-by-side with 3 peers →

Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust's out-of-state 401(k) peers by assets and headcount

Outside Oklahoma, the nearest 401(k) by assets is Dril-Quip, Inc. Employee 401(k) Retirement Plan in TX ($41M); by covered participants it is Natural History Museum Foundation Retirement Plan in CA (730 participants). Same-state nearby plans are listed separately above.

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 Energy Partners 401(k) Profit Sharing Plan and Trust assets move in 2024? ▼
Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust grew at a solid clip - up 13.3% during 2024, from $36M to $41M. Reported net income was $5M.
How have Mammoth Energy Partners LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mammoth Energy Partners LLC's sponsor-wide assets grew 34.5%, from $30M to $41M.
Where does Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust rank by assets among Form 5500 filers? ▼
Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust ranks in the 82nd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust? ▼
Among 401(k) plans in other states, the closest by assets is Dril-Quip, Inc. Employee 401(k) Retirement Plan in TX ($41M, 536 participants).
Which 401(k) plans cover a similar participant headcount to Mammoth Energy Partners 401(k) Profit Sharing Plan and Trust? ▼
Among 401(k) plans in other states, the closest by covered participants is Natural History Museum Foundation Retirement Plan in CA (730 participants, $52M 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 471902732.

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.