401(k) · DOL Form 5500 · 2023

Dn Tanks, LLC 401(k) Plan

Data updated 2026-08-25

$104M
Total assets Near avg plan size
251
Participants Below avg headcount
91st
Percentile by assets National rank
$412,918
Avg per participant High balance/head
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Official DOL plan name: Dn Tanks Retirement Plan · Sponsored by Dn Tanks, LLC · Massachusetts · Construction

$104M in assets, 251 participants

Dn Tanks, LLC's Dn Tanks Retirement Plan reported $104M in total assets and 251 participants in its 2023 DOL Form 5500 filing, ranking in the 91st 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.

  • #8,115 in Construction (9,030 peers)

Coverage in Massachusetts

Dn Tanks Retirement Plan covers 251 participants in Massachusetts, about 38% of the average Massachusetts filer (state average ~659 per filing). Assets: $104M.

#8,115
in Construction (9,030 peers)
+19.3%
assets growth YoY
1.0×
vs typical plan assets (national mean)

Dn Tanks Retirement Plan's outsized position by total assets

Dn Tanks Retirement Plan vs every filed plan by assets

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

$103,642,303 Top 9% higher than 91% 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

Dn Tanks 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. Dn Tanks Retirement Plan sits mid-pack in the medium band (251 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Dn Tanks Retirement Plan reported net income rose from -$17M in the plan year 2022 filing to $17M in the plan year 2023 filing.
  • Dn Tanks Retirement Plan end-of-year assets rose from $87M in the plan year 2022 filing to $104M in the plan year 2023 filing.
  • Dn Tanks Retirement Plan reported participants rose from 235 in the plan year 2022 filing to 251 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 844597957 · Dn Tanks, LLC PY 2023 · 401(k)

Dn Tanks Retirement Plan · $104M · 251 · 91st

  • BOOK $104M
  • VS-ST 251
  • BOY 91st
  • SCH 401(k)
  • EBSA near Otto Bock Healthcare LP Retirement Savings Plan
  • PART ind #8115

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 Construction retirement plans → · Plans in Massachusetts →

Dn Tanks Retirement Plan in the asset neighbourhood

Cradlepoint 401(k) Plan$104MClimatec Employee Savings PlanClimatec Employee Savings Pl…$104MSg Administration, LP 401(k) Savings and Investment PlanSg Administration, LP 401(k)…$104MDn Tanks Retirement Plan$104MOtto Bock Healthcare LP Retirement Savings PlanOtto Bock Healthcare LP Reti…$104M
End-of-year total assets ($M) among Dn Tanks Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$87M
Net Assets (End of Year)$104M
Net Income$17M
Employer EIN844597957
Plan Effective Date1965-09-17
Filing StatusFILING RECEIVED

Sponsor Plan History (Dn Tanks, LLC)

Sponsor-wide plan assets over time

All Dn Tanks, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$120M 35.60217574129815% vs 2022
2024 filing year
$80M$90M$100M$110M$120M$130M 202220232024 $88.7M $120M ▲ +35.6%
Year Plans Participants Total Assets
2022 2 355 $89M
2023 2 362 $106M
2024 2 376 $120M

Nearby 401(k) Plans in Massachusetts

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

Dn Tanks Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Dn Tanks Retirement Plan, Total assets ($B): 0.103642303 · Participants: 251Dn Tanks Retirement PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
Dn Tanks Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Dn Tanks Retirement Plan side-by-side with 3 peers →

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

Outside Massachusetts, the nearest 401(k) by assets is Otto Bock Healthcare LP Retirement Savings Plan in TX ($104M); by covered participants it is Drata Inc. 401(k) Plan in CA (251 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($104M here).

Similar participant headcount

Nearest other-state filings by covered participants (251 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 Dn Tanks Retirement Plan assets move in 2023? ▼
Dn Tanks Retirement Plan grew sharply - up 19.3% during 2023, from $87M to $104M. Reported net income was $17M.
How have Dn Tanks, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Dn Tanks, LLC's sponsor-wide assets grew 35.6%, from $89M to $120M.
Where does Dn Tanks Retirement Plan rank by assets among Form 5500 filers? ▼
Dn Tanks Retirement Plan ranks in the 91st percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Dn Tanks Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Otto Bock Healthcare LP Retirement Savings Plan in TX ($104M, 1,102 participants).
Which 401(k) plans cover a similar participant headcount to Dn Tanks Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Drata Inc. 401(k) Plan in CA (251 participants, $8M 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 844597957.

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.