401(k) · DOL Form 5500 · 2024

Mainstay Labs Inc. 401(k) Plan

Data updated 2026-08-25

$5M
Total assets Small plan by assets
183
Participants Below avg headcount
43rd
Percentile by assets National rank
$28,429
Avg per participant Low balance/head
PlainRetire home → About this data

Official DOL plan name: Mainstay Labs 401(k) Plan · Sponsored by Mainstay Labs Inc. · Arizona · Real Estate

$5M in assets, 183 participants

Mainstay Labs Inc.'s Mainstay Labs 401(k) Plan reported $5M in total assets and 183 participants in its 2024 DOL Form 5500 filing, ranking in the 43rd 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.

  • #2,870 in Real Estate (4,605 peers)

Coverage in Arizona

Mainstay Labs 401(k) Plan covers 183 participants in Arizona, about 32% of the average Arizona filer (state average ~564 per filing). Assets: $5M.

#2,870
in Real Estate (4,605 peers)
$123K
reported net income

Mainstay Labs 401(k) Plan's mid-pack asset rank among Real Estate and all filers

Mainstay Labs 401(k) Plan vs every filed plan by assets

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

$5,202,537 43rd percentile higher than 43% 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

Mainstay Labs 401(k) 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. Mainstay Labs 401(k) Plan sits mid-pack in the medium band (183 participants).

DOL schedule card

Filing strip 872784751 · Mainstay Labs Inc. PY 2024 · 401(k)

Mainstay Labs 401(k) Plan · $5M · 183 · 43rd

  • BOY $5M
  • BOY 183
  • BOY 43rd
  • BOY 401(k)
  • BOY near Placemakr, Inc 401(k) Plan
  • BOY ind #2870

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 Real Estate retirement plans → · Plans in Arizona →

Mainstay Labs 401(k) Plan in the asset neighbourhood

Mainstay Labs 401(k) Plan$5MPlacemakr, Inc 401(k) Plan$5MContinental Van Lines, Inc. 401(k) and Profit Sharing PlanContinental Van Lines, Inc. …$5MLiquidagents Healthcare, LLC 401(k) PlanLiquidagents Healthcare, LLC…$5MKuehn Motor Company, Inc. Employees Profit Sharing Plan and TrustKuehn Motor Company, Inc. Em…$5M
End-of-year total assets ($M) among Mainstay Labs 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Arizona filing particulars

Total Assets (Beginning of Year)N/A
Net Assets (End of Year)$5M
Net Income$123K
Employer EIN872784751
Plan Effective Date2024-08-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Arizona

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

Mainstay Labs 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -202468 Total assets ($B) Participants Mainstay Labs 401(k) Plan, Total assets ($B): 0.005202537 · Participants: 183Mainstay Labs 401(k) PlanBechtel 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
Mainstay Labs 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants
Compare Mainstay Labs 401(k) Plan side-by-side with 3 peers →

Mainstay Labs 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Arizona, the nearest 401(k) by assets is Placemakr, Inc 401(k) Plan in DC ($5M); by covered participants it is Cgt U.S. Limited/Textileather Corporation 401(k) Profit Sharing Plan in TX (183 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (183 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

Which 401(k) plans are similar in size to Mainstay Labs 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Placemakr, Inc 401(k) Plan in DC ($5M, 183 participants).
Which 401(k) plans cover a similar participant headcount to Mainstay Labs 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Cgt U.S. Limited/Textileather Corporation 401(k) Profit Sharing Plan in TX (183 participants, $2M 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 872784751.

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.