401(k) · DOL Form 5500 · 2024

Csx Corporation 401(k) Plan

Data updated 2026-08-25

$1.5B
Total assets Very large vs avg
20,168
Participants Very large workforce
99th
Percentile by assets National rank
$76,195
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Csx Corporation Capital Builder Plan · Sponsored by Csx Corporation · Florida · Transportation & Warehousing

$1.5B in assets, 20,168 participants

Csx Corporation's Csx Corporation Capital Builder Plan reported $1.5B in total assets and 20,168 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • #3,243 in Transportation & Warehousing (3,299 peers)

Coverage in Florida

Csx Corporation Capital Builder Plan covers 20,168 participants in Florida, 32x the typical Florida plan (state average ~628 per filing). Assets: $1.5B.

#3,243
in Transportation & Warehousing (3,299 peers)
+1.5%
assets growth YoY
15×
vs typical plan assets (national mean)

Csx Corporation Capital Builder Plan's outsized position by total assets

Csx Corporation Capital Builder Plan vs every filed plan by assets

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

$1,536,701,769 Top 1% higher than 99% 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

Csx Corporation Capital Builder Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Csx Corporation Capital Builder Plan is a mega filing (20,168 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Csx Corporation Capital Builder Plan reported net income fell from $146M in the plan year 2023 filing to $22M in the plan year 2024 filing.
  • Csx Corporation Capital Builder Plan reported participants fell from 20,710 in the plan year 2023 filing to 20,168 in the plan year 2024 filing.
  • Csx Corporation Capital Builder Plan end-of-year assets rose from $1.5B in the plan year 2023 filing to $1.5B in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 621051971 · Csx Corporation PY 2024 · 401(k)

Csx Corporation Capital Builder Plan · $1.5B · 20,168 · 99th

  • EBSA $1.5B
  • PART 20,168
  • TYPE 99th
  • NET 401(k)
  • BOOK near Bwxt Thrift Plan
  • VS-ST ind #3243

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 Transportation & Warehousing retirement plans → · Plans in Florida →

Csx Corporation Capital Builder Plan in the asset neighbourhood

Csx Corporation Capital Builder PlanCsx Corporation Capital Buil…$1.5BBwxt Thrift Plan$1.5BHorizon Blue Cross Blue Shield of New Jersey Employees Savings and Investment PlanHorizon Blue Cross Blue Shie…$1.5B59 Wall Street Capital Accumulation Plan59 Wall Street Capital Accum…$1.5BUsi 401(k) Plan$1.5B
End-of-year total assets ($B) among Csx Corporation Capital Builder Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Florida filing particulars

Total Assets (Beginning of Year)$1.5B
Net Assets (End of Year)$1.5B
Net Income$22M
Employer EIN621051971
Plan Effective Date1989-08-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Csx Corporation)

Sponsor-wide plan assets over time

All Csx Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$5.4B 9.342972716265791% vs 2022
2024 filing year
$4.8B$5B$5.2B$5.4B$5.6B 202220232024 $4.91B $5.37B ▲ +9.4%
Year Plans Participants Total Assets
2022 3 25,747 $4.9B
2023 3 26,463 $5.4B
2024 3 25,796 $5.4B

Nearby 401(k) Plans in Florida

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

Csx Corporation Capital Builder Plan vs. nearby 401(k) plans in Florida, assets vs. participants Scatter plot of 6 data points. 0100000200000300000400000 05101520 Total assets ($B) Participants Csx Corporation Capital Builder Plan, Total assets ($B): 1.536701769 · Participants: 20168Csx Corporation Capital Builder PlanL3harris Retirement Savings Plan, Total assets ($B): 16.316786122 · Participants: 40330L3harris Retirement Savings PlanSavings Plan for Employees and Partners of Pwc, Total assets ($B): 13.167098888 · Participants: 51081Savings Plan for Employees and Partners of PwcAdp Totalsource Retirement Savings Plan, Total assets ($B): 9.190044852 · Participants: 310261Adp Totalsource Retirement Savings PlanPublix Super Markets, Inc. 401(k) Smart Plan, Total assets ($B): 8.068866271 · Participants: 197102Publix Super Markets, Inc. 401(k) Smart PlanNextera Energy, Inc. Employee Retirement Savings Plan, Total assets ($B): 5.484619612 · Participants: 16678Nextera Energy, Inc. Employee Retirement Savings Plan
Csx Corporation Capital Builder Plan vs. nearby 401(k) plans in Florida, assets vs. participants

Scale composition for Csx Corporation Capital Builder Plan

Csx Corporation Capital Builder Plan reports $1.5B in end-of-year assets across 20,168 participants (0.012% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.021% of 93,925,755 covered participants) - about $76,195 per participant (55% of the national average assets-per-participant) . Net income for plan year 2024 was $22M.

This plan identity (EIN 621051971, plan #004) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.4B to $1.5B (+12.5%) while covered participants moved from 19,812 to 20,168 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 19,812 $1.4B Open filing
2023 20,710 $1.5B Open filing
2024 · index core 20,168 $1.5B This page

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Csx Corporation Capital Builder Plan's out-of-state 401(k) peers by assets and headcount

Outside Florida, the nearest 401(k) by assets is Bwxt Thrift Plan in VA ($1.5B); by covered participants it is Belk 401(k) Savings Plan in NC (20,210 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.5B here).

Similar participant headcount

Nearest other-state filings by covered participants (20,168 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 Csx Corporation Capital Builder Plan assets move in 2024?
Csx Corporation Capital Builder Plan edged up modestly - up 1.5% during 2024, from $1.5B to $1.5B. Reported net income was $22M.
How have Csx Corporation plan assets changed over time?
Across 3 plan years on file (2022-2024), Csx Corporation's sponsor-wide assets grew 9.3%, from $4.9B to $5.4B.
Where does Csx Corporation Capital Builder Plan rank by assets among Form 5500 filers?
Csx Corporation Capital Builder Plan ranks in the 99th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Csx Corporation Capital Builder Plan?
Among 401(k) plans in other states, the closest by assets is Bwxt Thrift Plan in VA ($1.5B, 5,394 participants).
Which 401(k) plans cover a similar participant headcount to Csx Corporation Capital Builder Plan?
Among 401(k) plans in other states, the closest by covered participants is Belk 401(k) Savings Plan in NC (20,210 participants, $401M in assets).