ESOP · DOL Form 5500 · 2023

Kirkhill Aircraft Parts Co ESOP

Data updated 2026-08-25

$460M
Total assets Above avg plan size
353
Participants Below avg headcount
97th
Percentile by assets National rank
$1.3M
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Proponent Employee Stock Ownership Plan · Sponsored by Kirkhill Aircraft Parts Co · California · Wholesale Trade

$460M in assets, 353 participants

Kirkhill Aircraft Parts Co's Proponent Employee Stock Ownership Plan reported $460M in total assets and 353 participants in its 2023 DOL Form 5500 filing, ranking in the 97th 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.

  • #6,199 in Wholesale Trade (6,309 peers)

Where Proponent Employee Stock Ownership Plan sits by assets

Proponent Employee Stock Ownership Plan sits in the top 5% of all filed plans by assets, $460M for 353 participants (~$1.3M/participant), up 59.0% in 2023.

#6,199
in Wholesale Trade (6,309 peers)
+59.0%
assets growth YoY
4.6×
vs typical plan assets (national mean)

Proponent Employee Stock Ownership Plan's outsized position by total assets

Proponent Employee Stock Ownership Plan vs every filed plan by assets

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

$459,575,826 Top 3% higher than 97% 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

Proponent Employee Stock Ownership Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Proponent Employee Stock Ownership Plan sits mid-pack in the medium band (353 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Proponent Employee Stock Ownership Plan reported net income rose from $58M in the plan year 2022 filing to $155M in the plan year 2023 filing.
  • Proponent Employee Stock Ownership Plan end-of-year assets rose from $289M in the plan year 2022 filing to $460M in the plan year 2023 filing.
  • Proponent Employee Stock Ownership Plan reported participants rose from 323 in the plan year 2022 filing to 353 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 952770000 · Kirkhill Aircraft Parts Co PY 2023 · ESOP

Proponent Employee Stock Ownership Plan · $460M · 353 · 97th

  • EIN $460M
  • EIN 353
  • EIN 97th
  • EIN ESOP
  • EIN near Cleveland Steel Container Corporation Employee Stock Ownership Plan
  • EIN ind #6199

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 What is an ESOP? → · Plans in California →

Proponent Employee Stock Ownership Plan in the asset neighbourhood

Starfish Holdings, Inc. Employee Stock Ownership PlanStarfish Holdings, Inc. Empl…$470MProponent Employee Stock Ownership PlanProponent Employee Stock Own…$460MCleveland Steel Container Corporation Employee Stock Ownership PlanCleveland Steel Container Co…$452MCactus Feeders, Inc. Employee Stock Ownership PlanCactus Feeders, Inc. Employe…$447MAcadian Ambulance Service, Inc. Employee Stock Ownership PlanAcadian Ambulance Service, I…$446M
End-of-year total assets ($M) among Proponent Employee Stock Ownership Plan and nearest nationwide ESOP peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$289M
Net Assets (End of Year)$390M
Net Income$155M
Employer EIN952770000
Plan Effective Date1986-04-17
Filing StatusFILING RECEIVED

Sponsor Plan History (Kirkhill Aircraft Parts Co)

Sponsor-wide plan assets over time

All Kirkhill Aircraft Parts Co plans reported in each filing year

Latest sponsor-wide plan assets
$561M 85.32041319785037% vs 2022
2024 filing year
$200M$300M$400M$500M$600M 202220232024 $303M $561M ▲ +85.3%
Year Plans Participants Total Assets
2022 2 598 $303M
2023 2 669 $477M
2024 2 809 $561M

Nearby ESOP Plans in California

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

Proponent Employee Stock Ownership Plan vs. nearby ESOP plans in California, assets vs. participants Scatter plot of 6 data points. -20000200040006000800010000 01234 Total assets ($B) Participants Proponent Employee Stock Ownership Plan, Total assets ($B): 0.459575826 · Participants: 353Proponent Employee Stock Ownership PlanParsons Employee Stock Ownership Plan, Total assets ($B): 3.757068542 · Participants: 7871Parsons Employee Stock Ownership PlanAcco Employee Stock Ownership Plan, Total assets ($B): 1.444524335 · Participants: 1397Acco Employee Stock Ownership PlanRosendin Electric, Inc. Employee Stock Ownership Plan, Total assets ($B): 1.125537204 · Participants: 1700Rosendin Electric, Inc. Employee Stock Ownership PlanAgron, Inc. Employee Stock Ownership Plan, Total assets ($B): 0.533004512 · Participants: 72Agron, Inc. Employee Stock Ownership PlanRecology Employee Stock Ownership Plan, Total assets ($B): 0.497089527 · Participants: 3656Recology Employee Stock Ownership Plan
Proponent Employee Stock Ownership Plan vs. nearby ESOP plans in California, assets vs. participants
Compare Proponent Employee Stock Ownership Plan side-by-side with 3 peers →

Proponent Employee Stock Ownership Plan's out-of-state ESOP peers by assets and headcount

Outside California, the nearest ESOP by assets is Cleveland Steel Container Corporation Employee Stock Ownership Plan in OH ($452M); by covered participants it is Butler/Till Employee Stock Ownership Plan in NY (353 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (353 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 Proponent Employee Stock Ownership Plan assets move in 2023? ▼
Proponent Employee Stock Ownership Plan surged - up 59.0% during 2023, from $289M to $460M. Reported net income was $155M.
How have Kirkhill Aircraft Parts Co plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Kirkhill Aircraft Parts Co's sponsor-wide assets grew 85.3%, from $303M to $561M.
Where does Proponent Employee Stock Ownership Plan rank by assets among Form 5500 filers? ▼
Proponent Employee Stock Ownership Plan ranks in the 97th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which ESOP plans are similar in size to Proponent Employee Stock Ownership Plan? ▼
Among ESOP plans in other states, the closest by assets is Cleveland Steel Container Corporation Employee Stock Ownership Plan in OH ($452M, 434 participants).
Which ESOP plans cover a similar participant headcount to Proponent Employee Stock Ownership Plan? ▼
Among ESOP plans in other states, the closest by covered participants is Butler/Till Employee Stock Ownership Plan in NY (353 participants, $120M 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 952770000.

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.