401(k) · DOL Form 5500 · 2024

Admithub Pbc, Dba Mainstay 401(k) Plan

Data updated 2026-08-25

$4M
Total assets Small plan by assets
55
Participants Small participant base
39th
Percentile by assets National rank
$74,709
Avg per participant Below avg balance/head
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Official DOL plan name: Admithub 401(k) Plan · Sponsored by Admithub Pbc, Dba Mainstay · Massachusetts · Retail Trade

$4M in assets, 55 participants

Admithub Pbc, Dba Mainstay's Admithub 401(k) Plan reported $4M in total assets and 55 participants in its 2024 DOL Form 5500 filing, ranking in the 39th 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.

  • #4,003 in Retail Trade (8,048 peers)

Admithub Pbc, Dba Mainstay multi-year trail

Admithub Pbc, Dba Mainstay's plans moved +16.8% in assets from 2023 to 2024; this filing shows Admithub 401(k) Plan at $4M / 55 participants.

#4,003
in Retail Trade (8,048 peers)
+16.8%
assets growth YoY

Admithub 401(k) Plan's mid-pack asset rank among Retail Trade and all filers

Admithub 401(k) Plan vs every filed plan by assets

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

$4,108,995 39th percentile higher than 39% 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

Admithub 401(k) Plan among smaller filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Admithub 401(k) Plan is a small filing (55 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Admithub 401(k) Plan reported net income fell from $1M in the plan year 2023 filing to $590K in the plan year 2024 filing.
  • Admithub 401(k) Plan reported participants fell from 70 in the plan year 2023 filing to 55 in the plan year 2024 filing.
  • Admithub 401(k) Plan end-of-year assets rose from $4M in the plan year 2023 filing to $4M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 465681542 · Admithub Pbc, Dba Mainstay PY 2024 · 401(k)

Admithub 401(k) Plan · $4M · 55 · 39th

  • EOY $4M
  • 5500 55
  • ASSETS 39th
  • PCT 401(k)
  • EIN near Sussek Machine Company Plant Employee Savings Plan
  • RANK ind #4003

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 Retail Trade retirement plans → · Plans in Massachusetts →

Admithub 401(k) Plan in the asset neighbourhood

Admithub 401(k) Plan$4MSussek Machine Company Plant Employee Savings PlanSussek Machine Company Plant…$4MJohn Youngblood Motor's Salary Savings & Profit Sharing PlanJohn Youngblood Motor's Sala…$4MDfw Plastics, Inc./Dfw Rotec, Inc. Profit Sharing PlanDfw Plastics, Inc./Dfw Rotec…$4MAffordable Housing Retirement TrustAffordable Housing Retiremen…$4M
End-of-year total assets ($M) among Admithub 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Admithub Pbc, Dba Mainstay multi-year asset trail

Sponsor-wide plan assets over time

All Admithub Pbc, Dba Mainstay plans reported in each filing year

Latest sponsor-wide plan assets
$4M 16.75125389123964% vs 2023
2024 filing year
$3.4M$3.6M$3.8M$4M$4.2M 20232024 $3.52M $4.11M ▲ +16.8%
Year Plans Participants Total Assets
2023 1 70 $4M
2024 1 55 $4M

Admithub Pbc, Dba Mainstay filing trail (2024)

Total Assets (Beginning of Year)$4M
Net Assets (End of Year)$4M
Net Income$590K
Employer EIN465681542
Plan Effective Date2019-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Massachusetts

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

Admithub 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Admithub 401(k) Plan, Total assets ($B): 0.004108995 · Participants: 55Admithub 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Admithub 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Admithub 401(k) Plan side-by-side with 3 peers →

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

Outside Massachusetts, the nearest 401(k) by assets is Sussek Machine Company Plant Employee Savings Plan in WI ($4M); by covered participants it is Employee Benefit Plan of Tulare Youth Service Bureau, Incorporated in CA (55 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (55 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 Admithub 401(k) Plan assets move in 2024? ▼
Admithub 401(k) Plan grew sharply - up 16.8% during 2024, from $4M to $4M. Reported net income was $590K.
How have Admithub Pbc, Dba Mainstay plan assets changed over time? ▼
Across 2 plan years on file (2023-2024), Admithub Pbc, Dba Mainstay's sponsor-wide assets grew 16.8%, from $4M to $4M.
Which 401(k) plans are similar in size to Admithub 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Sussek Machine Company Plant Employee Savings Plan in WI ($4M, 107 participants).
Which 401(k) plans cover a similar participant headcount to Admithub 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Employee Benefit Plan of Tulare Youth Service Bureau, Incorporated in CA (55 participants, $4M 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 465681542.

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.