401(k) · DOL Form 5500 · 2024

Ironmountain Solutions, Inc. 401(k) Plan

Data updated 2026-08-25

$47M
Total assets Below avg plan size
325
Participants Below avg headcount
83rd
Percentile by assets National rank
$143,790
Avg per participant Near avg balance/head
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Official DOL plan name: Ims 401(k) Plan · Sponsored by Ironmountain Solutions, Inc. · Alabama · Professional & Technical Services

$47M in assets, 325 participants

Ironmountain Solutions, Inc.'s Ims 401(k) Plan reported $47M in total assets and 325 participants in its 2024 DOL Form 5500 filing, ranking in the 83rd 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.

  • #16,959 in Professional & Technical Services (20,173 peers)

Where Ims 401(k) Plan sits by assets

Ims 401(k) Plan sits in the top quartile of all filed plans by assets, $47M for 325 participants (~$143,790/participant), up 21.7% in 2024.

#16,959
in Professional & Technical Services (20,173 peers)
+21.7%
assets growth YoY
0.5×
vs typical plan assets (national mean)

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

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

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

$46,731,694 Top 17% higher than 83% 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

Ims 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. Ims 401(k) Plan sits mid-pack in the medium band (325 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Ims 401(k) Plan end-of-year assets rose from $38M in the plan year 2023 filing to $47M in the plan year 2024 filing.
  • Ims 401(k) Plan reported net income fell from $9M in the plan year 2023 filing to $8M in the plan year 2024 filing.
  • Ims 401(k) Plan reported participants rose from 298 in the plan year 2023 filing to 325 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 263878694 · Ironmountain Solutions, Inc. PY 2024 · 401(k)

Ims 401(k) Plan · $47M · 325 · 83rd

  • PART $47M
  • PART 325
  • PART 83rd
  • PART 401(k)
  • PART near The Hhhunt Savings and Retirement Plan
  • PART ind #16959

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 Professional & Technical Services retirement plans → · Plans in Alabama →

Ims 401(k) Plan in the asset neighbourhood

Yark Automotive Group 401(k) and Profit Sharing PlanYark Automotive Group 401(k)…$47MDeutsch Kerrigan L.L.P. 401(k) Profit Share PlanDeutsch Kerrigan L.L.P. 401(…$47MIms 401(k) Plan$47MThe Hhhunt Savings and Retirement PlanThe Hhhunt Savings and Retir…$47MBellisio Foods, Inc. Retirement Savings PlanBellisio Foods, Inc. Retirem…$47M
End-of-year total assets ($M) among Ims 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$38M
Net Assets (End of Year)$47M
Net Income$8M
Employer EIN263878694
Plan Effective Date2009-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ironmountain Solutions, Inc.)

Sponsor-wide plan assets over time

All Ironmountain Solutions, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$47M 59.77874949914956% vs 2022
2024 filing year
$20M$30M$40M$50M 202220232024 $29.3M $46.7M ▲ +59.8%
Year Plans Participants Total Assets
2022 1 291 $29M
2023 1 298 $38M
2024 1 325 $47M

Nearby 401(k) Plans in Alabama

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

Ims 401(k) Plan vs. nearby 401(k) plans in Alabama, assets vs. participants Scatter plot of 6 data points. -10000010000200003000040000 -101234 Total assets ($B) Participants Ims 401(k) Plan, Total assets ($B): 0.046731694 · Participants: 325Ims 401(k) PlanRegions Financial Corporation 401(k) Plan, Total assets ($B): 3.197489981 · Participants: 20783Regions Financial Corporation 401(k) PlanEncompass Health Corporation 401(k) Retirement Plan, Total assets ($B): 1.722944967 · Participants: 29454Encompass Health Corporation 401(k) Retirement PlanHexagon Employee Retirement Savings Plan, Total assets ($B): 1.651353194 · Participants: 4638Hexagon Employee Retirement Savings PlanVulcan 401(k) Plan, Total assets ($B): 1.472398962 · Participants: 8628Vulcan 401(k) PlanMercedes-Benz U.S. International, Inc. Retirement and Savings Plan, Total assets ($B): 1.234118844 · Participants: 6167Mercedes-Benz U.S. International, Inc. Retirement and Savings Plan
Ims 401(k) Plan vs. nearby 401(k) plans in Alabama, assets vs. participants
Compare Ims 401(k) Plan side-by-side with 3 peers →

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

Outside Alabama, the nearest 401(k) by assets is The Hhhunt Savings and Retirement Plan in VA ($47M); by covered participants it is Falconwood, Inc. 401(k) Profit in VA (325 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (325 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 Ims 401(k) Plan assets move in 2024? ▼
Ims 401(k) Plan grew sharply - up 21.7% during 2024, from $38M to $47M. Reported net income was $8M.
How have Ironmountain Solutions, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ironmountain Solutions, Inc.'s sponsor-wide assets grew 59.8%, from $29M to $47M.
Where does Ims 401(k) Plan rank by assets among Form 5500 filers? ▼
Ims 401(k) Plan ranks in the 83rd 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 Ims 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is The Hhhunt Savings and Retirement Plan in VA ($47M, 441 participants).
Which 401(k) plans cover a similar participant headcount to Ims 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Falconwood, Inc. 401(k) Profit in VA (325 participants, $29M 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 263878694.

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.