401(k) · DOL Form 5500 · 2023

Csx Corporation 401(k) Plan

Data updated 2026-08-25

$1.5B
Total assets Very large vs avg
3,307
Participants Above avg headcount
99th
Percentile by assets National rank
$445,894
Avg per participant High balance/head
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Official DOL plan name: Csx Corporation 401(k) Plan · Sponsored by Csx Corporation · Florida · Transportation & Warehousing

$1.5B in assets, 3,307 participants

Csx Corporation's Csx Corporation 401(k) Plan reported $1.5B in total assets and 3,307 participants in its 2023 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.

  • #3,306 in Transportation & Warehousing (3,362 peers)

Coverage in Florida

Csx Corporation 401(k) Plan covers 3,307 participants in Florida, 5.3x the typical Florida plan (state average ~628 per filing). Assets: $1.5B.

#3,306
in Transportation & Warehousing (3,362 peers)
+10.5%
assets growth YoY
15×
vs typical plan assets (national mean)

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

Csx Corporation 401(k) Plan vs every filed plan by assets

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

$1,474,571,194 Top 1% higher than 99% 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

Csx Corporation 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Csx Corporation 401(k) Plan lands in the large band (3,307 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Csx Corporation 401(k) Plan reported net income rose from -$282M in the plan year 2022 filing to $142M in the plan year 2023 filing.
  • Csx Corporation 401(k) Plan end-of-year assets rose from $1.3B in the plan year 2022 filing to $1.5B in the plan year 2023 filing.
  • Csx Corporation 401(k) Plan reported participants rose from 3,207 in the plan year 2022 filing to 3,307 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 621051971 · Csx Corporation PY 2023 · 401(k)

Csx Corporation 401(k) Plan · $1.5B · 3,307 · 99th

  • IND $1.5B
  • IND 3,307
  • IND 99th
  • IND 401(k)
  • IND near Thrift & Investment Plan of Norfolk Southern Corporation and Participating Subsidiary Companies
  • IND ind #3306

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 401(k) Plan in the asset neighbourhood

Hexagon Employee Retirement Savings PlanHexagon Employee Retirement …$1.5BCsx Corporation 401(k) Plan$1.5BThrift & Investment Plan of Norfolk Southern Corporation and Participating Subsidiary CompaniesThrift & Investment Plan of …$1.5BGeneral Dynamics Corporation 401(k) Plan 3.0General Dynamics Corporation…$1.5BPinnacle West Capital Corporation Savings PlanPinnacle West Capital Corpor…$1.5B
End-of-year total assets ($B) among Csx Corporation 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Florida filing particulars

Total Assets (Beginning of Year)$1.3B
Net Assets (End of Year)$1.5B
Net Income$142M
Employer EIN621051971
Plan Effective Date1985-12-01
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 401(k) Plan vs. nearby 401(k) plans in Florida, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000400000 05101520 Total assets ($B) Participants Csx Corporation 401(k) Plan, Total assets ($B): 1.474571194 · Participants: 3307Csx Corporation 401(k) PlanL3harris Retirement Savings Plan, Total assets ($B): 15.384363901 · Participants: 40665L3harris Retirement Savings PlanSavings Plan for Employees and Partners of Pwc, Total assets ($B): 11.333196569 · Participants: 50817Savings Plan for Employees and Partners of PwcAdp Totalsource Retirement Savings Plan, Total assets ($B): 8.025816173 · Participants: 308867Adp Totalsource Retirement Savings PlanTrinet 401(k) Plan, Total assets ($B): 7.029692551 · Participants: 157945Trinet 401(k) PlanPublix Super Markets, Inc. 401(k) Smart Plan, Total assets ($B): 6.572590596 · Participants: 184674Publix Super Markets, Inc. 401(k) Smart Plan
Csx Corporation 401(k) Plan vs. nearby 401(k) plans in Florida, assets vs. participants
Compare Csx Corporation 401(k) Plan side-by-side with 3 peers →

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

Outside Florida, the nearest 401(k) by assets is Thrift & Investment Plan of Norfolk Southern Corporation and Participating Subsidiary Companies in GA ($1.5B); by covered participants it is Investment Plan for Employees of Puget Sound Energy, Inc. in WA (3,306 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (3,307 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 Csx Corporation 401(k) Plan assets move in 2023? ▼
Csx Corporation 401(k) Plan grew at a solid clip - up 10.5% during 2023, from $1.3B to $1.5B. Reported net income was $142M.
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 401(k) Plan rank by assets among Form 5500 filers? ▼
Csx Corporation 401(k) Plan ranks in the 99th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Csx Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Thrift & Investment Plan of Norfolk Southern Corporation and Participating Subsidiary Companies in GA ($1.5B, 5,335 participants).
Which 401(k) plans cover a similar participant headcount to Csx Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Investment Plan for Employees of Puget Sound Energy, Inc. in WA (3,306 participants, $1.2B 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 621051971.

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.