401(k) · DOL Form 5500 · 2024

William Diamond Development Corporation 401(k) Plan

Data updated 2026-08-25

$5M
Total assets Small plan by assets
2
Participants Small participant base
41st
Percentile by assets National rank
$2.3M
Avg per participant High balance/head
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Official DOL plan name: William Diamond Development Corporation Profit Sharing Plan & Trust Agreement · Sponsored by William Diamond Development Corporation · Arizona · Construction

$5M in assets, 2 participants

William Diamond Development Corporation's William Diamond Development Corporation Profit Sharing Plan & Trust Agreement reported $5M in total assets and 2 participants in its 2024 DOL Form 5500 filing, ranking in the 41st 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.

  • #3,543 in Construction (9,039 peers)

William Diamond Development Corporation multi-year trail

William Diamond Development Corporation's plans moved +89.7% in assets from 2022 to 2024; this filing shows William Diamond Development Corporation Profit Sharing Plan & Trust Agreement at $5M / 2 participants.

#3,543
in Construction (9,039 peers)
+22.7%
assets growth YoY

William Diamond Development Corporation Profit Sharing Plan & Trust Agreement's mid-pack asset rank among Construction and all filers

William Diamond Development Corporation Profit Sharing Plan & Trust Agreement vs every filed plan by assets

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

$4,664,519 41st percentile higher than 41% 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

William Diamond Development Corporation Profit Sharing Plan & Trust Agreement among micro filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. William Diamond Development Corporation Profit Sharing Plan & Trust Agreement is a micro filing (2 participants), the leftmost band.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • William Diamond Development Corporation Profit Sharing Plan & Trust Agreement reported net income fell from $1M in the plan year 2023 filing to $864K in the plan year 2024 filing.
  • William Diamond Development Corporation Profit Sharing Plan & Trust Agreement end-of-year assets rose from $4M in the plan year 2023 filing to $5M in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 860415376 · William Diamond Development Corporation PY 2024 · 401(k)

William Diamond Development Corporation Profit Sharing Plan & Trust Agreement · $5M · 2 · 41st

  • PCT $5M
  • PCT 2
  • PCT 41st
  • PCT 401(k)
  • PCT near Ideal Home Health Retirement Plan
  • PCT ind #3543

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 Arizona →

William Diamond Development Corporation Profit Sharing Plan & Trust Agreement in the asset neighbourhood

William Diamond Development Corporation Profit Sharing Plan & Trust AgreementWilliam Diamond Development …$5MIdeal Home Health Retirement PlanIdeal Home Health Retirement…$5MCadiz, Inc 401(k) Plan$5MPlaza Associates, Inc. 401(k) Retirement PlanPlaza Associates, Inc. 401(k…$5MParker Gas 401(k) Plan$5M
End-of-year total assets ($M) among William Diamond Development Corporation Profit Sharing Plan & Trust Agreement and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

William Diamond Development Corporation multi-year asset trail

Sponsor-wide plan assets over time

All William Diamond Development Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$5M 89.65044205510391% vs 2022
2024 filing year
$2M$3M$4M$5M 202220232024 $2.46M $4.66M ▲ +89.4%
Year Plans Participants Total Assets
2022 1 2 $2M
2023 1 2 $4M
2024 1 2 $5M

William Diamond Development Corporation filing trail (2024)

Total Assets (Beginning of Year)$4M
Net Assets (End of Year)$5M
Net Income$864K
Employer EIN860415376
Plan Effective Date1987-06-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Arizona

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

William Diamond Development Corporation Profit Sharing Plan & Trust Agreement vs. nearby 401(k) plans in Arizona, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -202468 Total assets ($B) Participants William Diamond Development Corporation Profit Sharing Plan & Trust Agreement, Total assets ($B): 0.004664519 · Participants: 2William Diamond Development Corporation Profit Sharing Plan & Trust AgreementBechtel Trust & Thrift Plan, Total assets ($B): 6.067288511 · Participants: 7971Bechtel Trust & Thrift PlanBanner Health Employees 401(k) Plan, Total assets ($B): 4.918574883 · Participants: 54731Banner Health Employees 401(k) PlanFreeport-Mcmoran Inc. Employee Capital Accumulation Program, Total assets ($B): 2.670667399 · Participants: 13770Freeport-Mcmoran Inc. Employee Capital Accumulation ProgramRepublic Services, Inc. 401(k) Plan, Total assets ($B): 2.666764279 · Participants: 32629Republic Services, Inc. 401(k) PlanStantec 401(k) Plan, Total assets ($B): 2.319061108 · Participants: 11603Stantec 401(k) Plan
William Diamond Development Corporation Profit Sharing Plan & Trust Agreement vs. nearby 401(k) plans in Arizona, assets vs. participants

William Diamond Development Corporation Profit Sharing Plan & Trust Agreement's out-of-state 401(k) peers by assets and headcount

Outside Arizona, the nearest 401(k) by assets is Ideal Home Health Retirement Plan in NY ($5M); by covered participants it is Per Mgmt, Inc. 401(k) Plan in MA (2 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($5M here).

Similar participant headcount

Nearest other-state filings by covered participants (2 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 William Diamond Development Corporation Profit Sharing Plan & Trust Agreement assets move in 2024?
William Diamond Development Corporation Profit Sharing Plan & Trust Agreement grew sharply - up 22.7% during 2024, from $4M to $5M. Reported net income was $864K.
How have William Diamond Development Corporation plan assets changed over time?
Across 3 plan years on file (2022-2024), William Diamond Development Corporation's sponsor-wide assets grew 89.7%, from $2M to $5M.
Which 401(k) plans are similar in size to William Diamond Development Corporation Profit Sharing Plan & Trust Agreement?
Among 401(k) plans in other states, the closest by assets is Ideal Home Health Retirement Plan in NY ($5M, 1,449 participants).
Which 401(k) plans cover a similar participant headcount to William Diamond Development Corporation Profit Sharing Plan & Trust Agreement?
Among 401(k) plans in other states, the closest by covered participants is Per Mgmt, Inc. 401(k) Plan in MA (2 participants, N/A in assets).