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  Trupanion, Inc. (TRUP)
← All TRUP superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2022   Q4 0 0.00 Sell 100.00% 0.02 $40.77–65.37 · VW $52.39i SEC
2022   Q3 21,377 0.02 Reduce 83.98% 0.10 $56.72–82.49 · VW $66.79i $1,270,000 SEC
2022   Q2 133,400 0.12 $60.25 $8,038,000 SEC
2022   Q1 133,400 0.14 $89.12 $11,889,000 SEC
2021   Q4 133,400 0.20 $132.03 $17,613,000 SEC
2021   Q3 133,400 0.13 $77.67 $10,361,000 SEC
2021   Q2 133,400 0.20 Add 0.08% <0.01 $69.74–117.31 · VW $89.29i $15,355,000 SEC
2021   Q1 133,300 0.14 $76.21 $10,159,000 SEC
2020   Q4 133,300 0.24 $119.71 $15,958,000 SEC
2020   Q3 133,300 0.18 $78.90 $10,517,000 SEC
2020   Q2 133,300 0.11 $42.69 $5,690,000 SEC
2020   Q1 133,300 0.07 Add 21.18% 0.01 $22.48–38.06 · VW $30.41i $3,470,000 SEC
2019   Q4 110,000 0.06 Add 42.86% 0.02 $20.84–37.82 · VW $29.65i $4,120,000 SEC
2019   Q3 77,000 0.03 Add 208.00% 0.02 $23.29–36.78 · VW $28.13i $1,957,000 SEC
2019   Q2 25,000 0.01 Buy 0.01 $28.94–37.13 · VW $33.11i $903,000 SEC
Price snapshot:
Current price$27.37
52-week low$21.16
52-week high$57.00