v3.26.1
MASTER TRUST
 12 Months Ended
Dec. 31, 2025
EBP 039  
EBP, Master Trust [Line Items]  
MASTER TRUST MASTER TRUST
Through the Master Trust agreement, an investment account was initially established to accommodate the investment assets of the Plan and other Company sponsored retirement plans. Within the Master Trust, the investment assets of the Plan reside in the ITW Defined Contribution Plans' Investment Account (the "DC Investment Account"). Plan investments and investment income reported in the Plan's financial statements represent the Plan's interest in the Master Trust's net assets and investment income and expenses.

Each participating plan's interest in the Master Trust is based on the aggregate account balances of the participants in the respective participating plan. The Master Trust specifically identifies contributions, benefit payments, and plan-specific expenses attributable to each participating plan. Investment gains (losses) are allocated to each participating plan in the Master Trust on a daily basis based on each plan's divided interest in the Master Trust.
The net assets in the DC Investment Account and the Plan's interest in the Master Trust account as of December 31, 2025 and 2024 were as follows:

2025202520242024
 Total Master TrustPlan's Interest in Master TrustTotal Master TrustPlan's Interest in Master Trust
Investments at fair value:
Collective trust funds
$3,032,320,108 $13,781,342 $2,724,283,304 $11,826,514 
Mutual funds
281,035,6941,913,944 259,244,3831,705,203 
Company common stock fund
440,185,3891,251,575 524,527,0641,308,895 
Total investments at fair value
3,753,541,19116,946,8613,508,054,75114,840,612
Investments at contract value:
Guaranteed investment contracts
140,682,164950,402177,804,9161,169,168
Synthetic investment contracts
484,151,6413,270,768464,442,0683,053,971
Total investments at contract value
624,833,8054,221,170642,246,9844,223,139
DC Investment Account Net Assets$4,378,374,996 $21,168,031 $4,150,301,735 $19,063,751 

For the year ended December 31, 2025, the net gain on investments in the DC Investment Account is as follows:

Year-Ended December 31, 2025
Interest and dividends$54,517,954 
Net appreciation in fair value of investments448,416,129 
Investment management fees(894,790)
Net investment gain$502,039,293