Data as of Q4 2025 (Dec 31, 2025)

Briar Hall Management LLC

โ€ขCIK: 1728354โ€ขFiling: Q4 2025

Briar Hall Management LLC, led by the renowned investor Bill Ackman, is a concentrated hedge fund with $6.4 billion in assets under management, currently fully invested in Illinois Tool Works (ITW). Ackman's strategy emphasizes deep value investing, with a notable focus on ITW, leveraging his reputation for identifying undervalued companies with strong fundamentals.

Total AUM
$6.4B
QoQ Performance
-5.5%
Positions
1
Top 10 Concentration
100.0%
Latest Filing
Q4 2025

Top Holdings Allocation

ITW
ITW100.0%

๐Ÿ“ˆ Biggest Buys

No new positions or increases this quarter

๐Ÿ“‰ Biggest Sells

No reductions this quarter

Sector Breakdown

Other100.0%

Changes from Q3 2025

โ†‘1 increased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023