v3.26.1
Investment in Master Trust (Tables)
 12 Months Ended
Dec. 31, 2025
EBP 004  
EBP, Master Trust [Line Items]  
Schedule of Financial Information of Master Trust
Summarized financial information of the Master Trust is presented below:

December 31, 2025Plan'sDecember 31, 2024Plan's
(Dollars in Thousands)InterestInterest
Assets
Accrued income$319 $122 $296 $113 
Due from brokers for securities sold— — 31 12 
Investments, at fair value:
CSX Common Stock884,518 586,653 852,648 561,896 
Mutual Funds (a)
281,508 129,494 252,656 113,695 
Common Collective Trusts (a)
1,355,365 644,707 1,191,312 555,175 
Other Common Stock (a)
401,197 148,593 377,315 136,846 
Total investments, at fair value2,922,588 1,509,447 2,673,931 1,367,612 
Stable Value Fund, at contract value:309,923 111,573 331,455 119,323 
Total Assets$3,232,830 $1,621,142 $3,005,713 $1,487,060 
Liabilities
Due to brokers for securities purchased$— $— $26 $8 
Total Liabilities$— $— $26 $8 
Total Master Trust Net Assets$3,232,830 $1,621,142 $3,005,687 $1,487,052 
Plan’s Percentage of Investment in the Master Trust’s Net Assets50 %49 %
(a) In the prior year financial statements, certain investments were previously listed as Mutual Funds and Other Common Stock. Upon further analysis, these investments better fit into the description of Common Collective Trusts. In 2025, the Plan revised its classification. To be consistent with the current year presentation, the 2024 presentation has been adjusted accordingly as the adjustments were deemed not material.
Investment gain for the Master Trust for 2025 was as follows:
(Dollars in Thousands)
Net increase in the fair value of investments:$371,875 
Interest, dividend, and other income30,121 
Total investment gain for the Master Trust$401,996 
Plan's investment gain in the Master Trust$203,806 
Plan's percentage of investment gain from the Master Trust51%