401(k) · DOL Form 5500 · 2024

Mack Trucks, Inc. 401(k) Plan

Data updated 2026-08-25

$220M
Total assets Near avg plan size
3,904
Participants Above avg headcount
95th
Percentile by assets National rank
$56,417
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Mack UAW 401(k) Plan · Sponsored by Mack Trucks, Inc. · North Carolina · Manufacturing

$220M in assets, 3,904 participants

Mack Trucks, Inc.'s Mack UAW 401(k) Plan reported $220M in total assets and 3,904 participants in its 2024 DOL Form 5500 filing, ranking in the 95th 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.

  • #16,316 in Manufacturing (17,777 peers)

Coverage in North Carolina

Mack UAW 401(k) Plan covers 3,904 participants in North Carolina, 4.8x the typical North Carolina plan (state average ~819 per filing). Assets: $220M.

#16,316
in Manufacturing (17,777 peers)
+17.3%
assets growth YoY
2.2×
vs typical plan assets (national mean)

Mack UAW 401(k) Plan's outsized position by total assets

Mack UAW 401(k) Plan vs every filed plan by assets

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

$220,252,623 Top 5% higher than 95% 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

Mack UAW 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mack UAW 401(k) Plan lands in the large band (3,904 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mack UAW 401(k) Plan end-of-year assets rose from $188M in the plan year 2023 filing to $220M in the plan year 2024 filing.
  • Mack UAW 401(k) Plan reported participants rose from 3,761 in the plan year 2023 filing to 3,904 in the plan year 2024 filing.
  • Mack UAW 401(k) Plan reported net income fell from $34M in the plan year 2023 filing to $33M in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 221582040 · Mack Trucks, Inc. PY 2024 · 401(k)

Mack UAW 401(k) Plan · $220M · 3,904 · 95th

  • 5500 $220M
  • 5500 3,904
  • 5500 95th
  • 5500 401(k)
  • 5500 near Vaco 401(k) Plan
  • 5500 ind #16316

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 North Carolina →

Mack UAW 401(k) Plan in the asset neighbourhood

Mack UAW 401(k) Plan$220MVaco 401(k) Plan$220MUnicredit Bank Gmbh, New York BranchUnicredit Bank Gmbh, New Yor…$220MWayne J. Griffin Electric, Inc. Retirement Savings PlanWayne J. Griffin Electric, I…$220MKasowitz Benson Torres LLP Employee 401(k) Savings Plan aKasowitz Benson Torres LLP E…$220M
End-of-year total assets ($M) among Mack UAW 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

North Carolina filing particulars

Total Assets (Beginning of Year)$188M
Net Assets (End of Year)$220M
Net Income$33M
Employer EIN221582040
Plan Effective Date1999-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mack Trucks, Inc.)

Sponsor-wide plan assets over time

All Mack Trucks, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$630M 38.490373188940644% vs 2022
2024 filing year
$0.4B$0.6B$0.8B$1B$1.2B 202220232024 $1.02B $0.63B ▼ -38.2%
Year Plans Participants Total Assets
2022 2 3,996 $1.0B
2023 2 4,884 $1.1B
2024 2 4,977 $630M

Nearby 401(k) Plans in North Carolina

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

Mack UAW 401(k) Plan vs. nearby 401(k) plans in North Carolina, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000 -20020406080 Total assets ($B) Participants Mack UAW 401(k) Plan, Total assets ($B): 0.220252623 · Participants: 3904Mack UAW 401(k) PlanThe Bank of America 401(k) Plan, Total assets ($B): 62.902405616 · Participants: 168963The Bank of America 401(k) PlanHoneywell 401(k) Plan, Total assets ($B): 16.316486587 · Participants: 39468Honeywell 401(k) PlanDuke Energy Retirement Savings Plan, Total assets ($B): 11.269744 · Participants: 27341Duke Energy Retirement Savings PlanNucor Corporation Profit Sharing and Retirement Savings Plan, Total assets ($B): 9.349291649 · Participants: 27070Nucor Corporation Profit Sharing and Retirement Savings PlanTruist Financial Corporation 401(k) Savings Plan, Total assets ($B): 9.231001739 · Participants: 52699Truist Financial Corporation 401(k) Savings Plan
Mack UAW 401(k) Plan vs. nearby 401(k) plans in North Carolina, assets vs. participants
Compare Mack UAW 401(k) Plan side-by-side with 3 peers →

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

Outside North Carolina, the nearest 401(k) by assets is Vaco 401(k) Plan in TN ($220M); by covered participants it is Ace Parking Management, Inc. 401(k) Savings Plan in CA (3,904 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($220M here).

Similar participant headcount

Nearest other-state filings by covered participants (3,904 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 Mack UAW 401(k) Plan assets move in 2024? ▼
Mack UAW 401(k) Plan grew sharply - up 17.3% during 2024, from $188M to $220M. Reported net income was $33M.
How have Mack Trucks, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mack Trucks, Inc.'s sponsor-wide assets declined 38.5%, from $1.0B to $630M.
Where does Mack UAW 401(k) Plan rank by assets among Form 5500 filers? ▼
Mack UAW 401(k) Plan ranks in the 95th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Mack UAW 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Vaco 401(k) Plan in TN ($220M, 5,857 participants).
Which 401(k) plans cover a similar participant headcount to Mack UAW 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Ace Parking Management, Inc. 401(k) Savings Plan in CA (3,904 participants, $28M 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 221582040.

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.