Thomas Gayner - Markel Group
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    129
Portfolio value:    $11,938,885,174
Holdings Activity Buys Sells    History
Holding/activity history for  CoStar Group, Inc. (CSGP)
← All CSGP superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2025   Q3 0 0.00 Sell 100.00% 0.01 $79.94–97.43 · VW $89.26i SEC
2025   Q2 18,600 0.01 $80.40 $1,495,440 SEC
2025   Q1 18,600 0.01 $79.23 $1,473,678 SEC
2024   Q4 18,600 0.01 $71.59 $1,331,574 SEC
2024   Q3 18,600 0.01 $75.44 $1,403,184 SEC
2024   Q2 18,600 0.01 $74.14 $1,379,004 SEC
2024   Q1 18,600 0.02 $96.60 $1,796,760 SEC
2023   Q4 18,600 0.02 $87.39 $1,625,454 SEC
2023   Q3 18,600 0.02 $76.89 $1,430,154 SEC
2023   Q2 18,600 0.02 $89.00 $1,655,400 SEC
2023   Q1 18,600 0.02 $68.85 $1,280,610 SEC
2022   Q4 18,600 0.02 $77.28 $1,437,408 SEC
2022   Q3 18,600 0.02 $69.68 $1,296,000 SEC
2022   Q2 18,600 0.02 Add 5.68% <0.01 $53.51–68.39 · VW $60.97i $1,123,000 SEC
2022   Q1 17,600 0.01 Add 467.74% <0.01 $49.00–79.73 · VW $64.27i $1,172,000 SEC
2021   Q4 3,100 <0.01 Buy <0.01 $75.09–101.05 · VW $82.38i $245,000 SEC
Price snapshot:
Current price$28.77
52-week low$28.09
52-week high$97.43