401(k) · DOL Form 5500 · 2024

Mill Rock Packaging, Inc. 401(k) Plan

Data updated 2026-08-25

$61M
Total assets Below avg plan size
398
Participants Below avg headcount
86th
Percentile by assets National rank
$152,714
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Mill Rock Packaging, Inc. Retirement Savings Plan · Sponsored by Mill Rock Packaging, Inc. · Washington · Manufacturing

$61M in assets, 398 participants

Mill Rock Packaging, Inc.'s Mill Rock Packaging, Inc. Retirement Savings Plan reported $61M in total assets and 398 participants in its 2024 DOL Form 5500 filing, ranking in the 86th 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.

  • #14,262 in Manufacturing (17,777 peers)

Coverage in Washington

Mill Rock Packaging, Inc. Retirement Savings Plan covers 398 participants in Washington, about 27% of the average Washington filer (state average ~1,476 per filing). Assets: $61M.

#14,262
in Manufacturing (17,777 peers)
+184.0%
assets growth YoY
0.6×
vs typical plan assets (national mean)

Mill Rock Packaging, Inc. Retirement Savings Plan's outsized position by total assets

Mill Rock Packaging, Inc. Retirement Savings Plan vs every filed plan by assets

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

$60,780,149 Top 14% higher than 86% 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

Mill Rock Packaging, Inc. Retirement Savings 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. Mill Rock Packaging, Inc. Retirement Savings Plan sits mid-pack in the medium band (398 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mill Rock Packaging, Inc. Retirement Savings Plan end-of-year assets rose from $21M in the plan year 2023 filing to $61M in the plan year 2024 filing.
  • Mill Rock Packaging, Inc. Retirement Savings Plan reported participants rose from 163 in the plan year 2023 filing to 398 in the plan year 2024 filing.
  • Mill Rock Packaging, Inc. Retirement Savings Plan reported net income rose from $5M in the plan year 2023 filing to $7M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 911641589 · Mill Rock Packaging, Inc. PY 2024 · 401(k)

Mill Rock Packaging, Inc. Retirement Savings Plan · $61M · 398 · 86th

  • TYPE $61M
  • NET 398
  • BOOK 86th
  • VS-ST 401(k)
  • BOY near People, Inc. 401(k) Profit Sharing Plan
  • SCH ind #14262

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 Manufacturing retirement plans → · Plans in Washington →

Mill Rock Packaging, Inc. Retirement Savings Plan in the asset neighbourhood

Hughston Healthcare 401(k) PlanHughston Healthcare 401(k) P…$61MMill Rock Packaging, Inc. Retirement Savings PlanMill Rock Packaging, Inc. Re…$61MPeople, Inc. 401(k) Profit Sharing PlanPeople, Inc. 401(k) Profit S…$61MRockpoint Group, LLC 401(k) Profit Sharing Plan and TrustRockpoint Group, LLC 401(k) …$61MOverdrive, Inc. 401(k) Retirement PlanOverdrive, Inc. 401(k) Retir…$61M
End-of-year total assets ($M) among Mill Rock Packaging, Inc. Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Washington filing particulars

Total Assets (Beginning of Year)$21M
Net Assets (End of Year)$61M
Net Income$7M
Employer EIN911641589
Plan Effective Date2013-08-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mill Rock Packaging, Inc.)

Sponsor-wide plan assets over time

All Mill Rock Packaging, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$61M 386.2125638042432% vs 2022
2024 filing year
$0M$20M$40M$60M$80M 202220232024 $12.5M $60.8M ▲ +386.2%
Year Plans Participants Total Assets
2022 1 188 $13M
2023 1 163 $21M
2024 1 398 $61M

Nearby 401(k) Plans in Washington

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

Mill Rock Packaging, Inc. Retirement Savings Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -500000050000010000001500000 -20020406080 Total assets ($B) Participants Mill Rock Packaging, Inc. Retirement Savings Plan, Total assets ($B): 0.060780149 · Participants: 398Mill Rock Packaging, Inc. Retirement Savings PlanThe Boeing Company 401(k) Retirement Plan, Total assets ($B): 73.910477714 · Participants: 139394The Boeing Company 401(k) Retirement PlanMicrosoft Corporation Savings Plus 401(k) Plan, Total assets ($B): 65.646011638 · Participants: 118818Microsoft Corporation Savings Plus 401(k) PlanCostco 401(k) Retirement Plan, Total assets ($B): 41.017392708 · Participants: 202468Costco 401(k) Retirement PlanAmazon 401(k) Plan, Total assets ($B): 34.593744657 · Participants: 1209303Amazon 401(k) Plan401(k) Savings Plan, Total assets ($B): 10.074085187 · Participants: 86668401(k) Savings Plan
Mill Rock Packaging, Inc. Retirement Savings Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Mill Rock Packaging, Inc. Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Washington, the nearest 401(k) by assets is People, Inc. 401(k) Profit Sharing Plan in NY ($61M); by covered participants it is Hoover Treated Wood Products, Inc. 401(k) Retirement Plan in GA (398 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($61M here).

Similar participant headcount

Nearest other-state filings by covered participants (398 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 Mill Rock Packaging, Inc. Retirement Savings Plan assets move in 2024?
Mill Rock Packaging, Inc. Retirement Savings Plan surged - up 184.0% during 2024, from $21M to $61M. Reported net income was $7M.
How have Mill Rock Packaging, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Mill Rock Packaging, Inc.'s sponsor-wide assets grew 386.2%, from $13M to $61M.
Where does Mill Rock Packaging, Inc. Retirement Savings Plan rank by assets among Form 5500 filers?
Mill Rock Packaging, Inc. Retirement Savings Plan ranks in the 86th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Mill Rock Packaging, Inc. Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is People, Inc. 401(k) Profit Sharing Plan in NY ($61M, 3,627 participants).
Which 401(k) plans cover a similar participant headcount to Mill Rock Packaging, Inc. Retirement Savings Plan?
Among 401(k) plans in other states, the closest by covered participants is Hoover Treated Wood Products, Inc. 401(k) Retirement Plan in GA (398 participants, N/A in assets).