What did Thomas Gayner buy in Q2 2025?

Thomas Gayner opened 3 new positions (ADBE, AMAT, CSX) and added to 4 existing holdings in the Q2 2025 13F.

What did Thomas Gayner sell in Q2 2025?

Thomas Gayner exited 1 position (CABO) and trimmed 3.

What Thomas Gayner bought and sold in Q2 2025

In Q2 2025, Thomas Gayner (Markel Group) opened 3 new positions — including ADBE (<0.1%), AMAT (<0.1%), CSX (<0.1%), added to 4, trimmed 3, exited 1 (CABO). The book stood at $11.83B across 137 positions, filed Aug 1, 2025.

3New4Added3Trimmed1Exited

Share𝕏 in

New positions (3)

ADBEAdobe Inc<0.1% · $5M
AMATApplied Materials Inc<0.1% · $3M
CSXCsx Corp<0.1% · $2M

Added to (4)

CMECme Group Inc+137% shares · 0.1% · $6M
CBOECboe Global Markets Inc+217% shares · <0.1% · $4M
EXPEagle Materials Inc+157% shares · <0.1% · $2M
SYYSysco Corp+167% shares · <0.1% · $2M

Trimmed (3)

MMM3M CO-60% shares · 0.2% · $18M
OIO-i Glass Inc-46% shares · 0.1% · $7M
GPKGraphic Packaging Holding CO-62% shares · <0.1% · $4M

Exited (1)

CABOCable One Incwas <0.1% of book

Thomas Gayner's other filings

Q1 2026 changes Q4 2025 changes Q3 2025 changes Q1 2025 changes Q4 2024 changes

Thomas Gayner's full portfolio →The whole cohort in Q2 2025 →

Changes vs the prior quarter's 13F, long US equity positions only (no shorts, options, or non-US listings). ADD/TRIM are share- count changes of ±20% or more. Sourced from SEC EDGAR. Not investment advice.