Profit Sharing · DOL Form 5500 · 2023

Riverstone Group Inc. Profit Sharing Plan

Data updated 2026-08-25

$4M
Total assets Small plan by assets
39
Participants Small participant base
42nd
Percentile by assets National rank
$114,160
Avg per participant Below avg balance/head
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Official DOL plan name: Central Stone Retirement Savings Plan · Sponsored by Riverstone Group Inc. · Iowa · Mining & Oil Extraction

$4M in assets, 39 participants

Riverstone Group Inc.'s Central Stone Retirement Savings Plan reported $4M in total assets and 39 participants in its 2023 DOL Form 5500 filing, ranking in the 42nd 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.

  • #169 in Mining & Oil Extraction (811 peers)

Mining & Oil Extraction sector rank

Within Mining & Oil Extraction, Central Stone Retirement Savings Plan ranks #169 of 811 2023 filers by assets (2762% of the sector average)-$4M for 39 participants.

#169
in Mining & Oil Extraction (811 peers)
+35.6%
assets growth YoY

Central Stone Retirement Savings Plan's mid-pack asset rank among Mining & Oil Extraction and all filers

Central Stone Retirement Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$4,452,221 42nd percentile higher than 42% of 127,068 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 2023

Central Stone Retirement Savings Plan among smaller filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Central Stone Retirement Savings Plan is a small filing (39 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Central Stone Retirement Savings Plan reported net income rose from -$670K in the plan year 2022 filing to $1M in the plan year 2023 filing.
  • Central Stone Retirement Savings Plan end-of-year assets rose from $3M in the plan year 2022 filing to $4M in the plan year 2023 filing.
  • Central Stone Retirement Savings Plan reported participants rose from 35 in the plan year 2022 filing to 39 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 361489597 · Riverstone Group Inc. PY 2023 · Profit Sharing

Central Stone Retirement Savings Plan · $4M · 39 · 42nd

  • PART $4M
  • TYPE 39
  • NET 42nd
  • BOOK Profit Sharing
  • VS-ST near Provident Charter School 403(b) Plan
  • BOY ind #169

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 Mining & Oil Extraction retirement plans → · Plans in Iowa →

Central Stone Retirement Savings Plan in the asset neighbourhood

Provident Charter School 403(b) PlanProvident Charter School 403…$4MGolden State Retirement Plan Mep by Vasindas Around the ClockGolden State Retirement Plan…$4MCentral Stone Retirement Savings PlanCentral Stone Retirement Sav…$4MSupreme Building Products, Inc. Profit Sharing PlanSupreme Building Products, I…$4MGutman & Gutman Keogh Retirement PlanGutman & Gutman Keogh Retire…$4M
End-of-year total assets ($M) among Central Stone Retirement Savings Plan and nearest nationwide Profit Sharing peers. Source: DOL Form 5500 plan year 2023.

Mining & Oil Extraction filing particulars

Total Assets (Beginning of Year)$3M
Net Assets (End of Year)$4M
Net Income$1M
Employer EIN361489597
Plan Effective Date2005-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Riverstone Group Inc.)

Sponsor-wide plan assets over time

All Riverstone Group Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$6M 82.07453134302904% vs 2022
2024 filing year
$3M$4M$5M$6M$7M 202220232024 $3.28M $5.98M ▲ +82.3%
Year Plans Participants Total Assets
2022 1 35 $3M
2023 1 39 $4M
2024 1 66 $6M

Nearby Profit Sharing Plans in Iowa

Peer Profit Sharing plans, same state, same plan type, ranked by total assets.

Central Stone Retirement Savings Plan vs. nearby Profit Sharing plans in Iowa, assets vs. participants Scatter plot of 6 data points. 0100200300 051015202530 Total assets ($M) Participants Central Stone Retirement Savings Plan, Total assets ($M): 4.452221 · Participants: 39Central Stone Retirement Savings PlanMedtec LLC 401(k) Retirement Plan, Total assets ($M): 25.74045 · Participants: 144Medtec LLC 401(k) Retirement PlanLiberty Pattern Company Profit Sharing Plan, Total assets ($M): 23.373416 · Participants: 13Liberty Pattern Company Profit Sharing PlanNewton Clinic, P.C. Profit Sharing Plan, Total assets ($M): 18.056441 · Participants: 42Newton Clinic, P.C. Profit Sharing PlanPalmer Lutheran Health Center, Inc. 403(b) Plan, Total assets ($M): 17.888494 · Participants: 214Palmer Lutheran Health Center, Inc. 403(b) PlanTs Banking Group Savings Plan, Total assets ($M): 17.363911 · Participants: 247Ts Banking Group Savings Plan
Central Stone Retirement Savings Plan vs. nearby Profit Sharing plans in Iowa, assets vs. participants
Compare Central Stone Retirement Savings Plan side-by-side with 3 peers →

Central Stone Retirement Savings Plan's out-of-state Profit Sharing peers by assets and headcount

Outside Iowa, the nearest Profit Sharing by assets is Provident Charter School 403(b) Plan in PA ($4M); by covered participants it is Ajd Ventures Inc. Retirement Plan in MA (39 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (39 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Central Stone Retirement Savings Plan assets move in 2023? ▼
Central Stone Retirement Savings Plan surged - up 35.6% during 2023, from $3M to $4M. Reported net income was $1M.
How have Riverstone Group Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Riverstone Group Inc.'s sponsor-wide assets grew 82.1%, from $3M to $6M.
Which Profit Sharing plans are similar in size to Central Stone Retirement Savings Plan? ▼
Among Profit Sharing plans in other states, the closest by assets is Provident Charter School 403(b) Plan in PA ($4M, 106 participants).
Which Profit Sharing plans cover a similar participant headcount to Central Stone Retirement Savings Plan? ▼
Among Profit Sharing plans in other states, the closest by covered participants is Ajd Ventures Inc. Retirement Plan in MA (39 participants, $470K in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 361489597.

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.