401(k) · DOL Form 5500 · 2023

Mud Bay, Inc. 401(k) Plan

Data updated 2026-08-25

$4M
Total assets Small plan by assets
548
Participants Below avg headcount
41st
Percentile by assets National rank
$7,775
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Mud Bay Retirement Plan · Sponsored by Mud Bay, Inc. · Washington · Retail Trade

$4M in assets, 548 participants

Mud Bay, Inc.'s Mud Bay Retirement Plan reported $4M in total assets and 548 participants in its 2023 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.

  • #4,395 in Retail Trade (8,414 peers)

Coverage in Washington

Mud Bay Retirement Plan covers 548 participants in Washington, about 37% of the average Washington filer (state average ~1,476 per filing). Assets: $4M.

#4,395
in Retail Trade (8,414 peers)
+80.9%
assets growth YoY

Mud Bay Retirement Plan's mid-pack asset rank among Retail Trade and all filers

Mud Bay Retirement Plan vs every filed plan by assets

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

$4,260,528 41st percentile higher than 41% 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

Mud Bay Retirement 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. Mud Bay Retirement Plan sits mid-pack in the medium band (548 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mud Bay Retirement Plan reported net income rose from -$155K in the plan year 2022 filing to $2M in the plan year 2023 filing.
  • Mud Bay Retirement Plan end-of-year assets rose from $2M in the plan year 2022 filing to $4M in the plan year 2023 filing.
  • Mud Bay Retirement Plan reported participants rose from 468 in the plan year 2022 filing to 548 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 912060015 · Mud Bay, Inc. PY 2023 · 401(k)

Mud Bay Retirement Plan · $4M · 548 · 41st

  • PART $4M
  • PART 548
  • PART 41st
  • PART 401(k)
  • PART near Brooks Bell Interactive 401(k) Profit Sharing Plan and Trust
  • PART ind #4395

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 Washington →

Mud Bay Retirement Plan in the asset neighbourhood

Mud Bay Retirement Plan$4MBrooks Bell Interactive 401(k) Profit Sharing Plan and TrustBrooks Bell Interactive 401(…$4MMaster Magnetics, Inc. 401(k) PlanMaster Magnetics, Inc. 401(k…$4MCore Power Yoga, LLC Employee Savings TrustCore Power Yoga, LLC Employe…$4MThe Metal Ware Corporation Employees' Savings and Retirement PlanThe Metal Ware Corporation E…$4M
End-of-year total assets ($M) among Mud Bay Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Washington filing particulars

Total Assets (Beginning of Year)$2M
Net Assets (End of Year)$4M
Net Income$2M
Employer EIN912060015
Plan Effective Date2010-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mud Bay, Inc.)

Sponsor-wide plan assets over time

All Mud Bay, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$13M 31.525825488942672% vs 2022
2024 filing year
$9M$10M$11M$12M$13M 202220232024 $9.59M $12.6M ▲ +31.6%
Year Plans Participants Total Assets
2022 2 839 $10M
2023 2 1,009 $10M
2024 2 1,003 $13M

Nearby 401(k) Plans in Washington

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

Mud Bay Retirement Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -20020406080 Total assets ($B) Participants Mud Bay Retirement Plan, Total assets ($B): 0.004260528 · Participants: 548Mud Bay Retirement PlanThe Boeing Company 401(k) Retirement Plan, Total assets ($B): 72.246135158 · Participants: 128910The Boeing Company 401(k) Retirement PlanMicrosoft Corporation Savings Plus 401(k) Plan, Total assets ($B): 53.225853429 · Participants: 123296Microsoft Corporation Savings Plus 401(k) PlanCostco 401(k) Retirement Plan, Total assets ($B): 33.384845813 · Participants: 192744Costco 401(k) Retirement PlanT-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust, Total assets ($B): 8.338937292 · Participants: 71538T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust401(k) Savings Plan, Total assets ($B): 8.118808679 · Participants: 87590401(k) Savings Plan
Mud Bay Retirement Plan vs. nearby 401(k) plans in Washington, assets vs. participants
Compare Mud Bay Retirement Plan side-by-side with 3 peers →

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

Outside Washington, the nearest 401(k) by assets is Brooks Bell Interactive 401(k) Profit Sharing Plan and Trust in NC ($4M); by covered participants it is Doctors of Physical Therapy 401(k) Plan in IL (548 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (548 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 Mud Bay Retirement Plan assets move in 2023? ▼
Mud Bay Retirement Plan surged - up 80.9% during 2023, from $2M to $4M. Reported net income was $2M.
How have Mud Bay, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mud Bay, Inc.'s sponsor-wide assets grew 31.5%, from $10M to $13M.
Which 401(k) plans are similar in size to Mud Bay Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Brooks Bell Interactive 401(k) Profit Sharing Plan and Trust in NC ($4M, 28 participants).
Which 401(k) plans cover a similar participant headcount to Mud Bay Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Doctors of Physical Therapy 401(k) Plan in IL (548 participants, $9M 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 912060015.

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.