Martin Whitman - Third Avenue Management
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    53
Portfolio value:    $616,036,133
Holdings Activity Buys Sells    History
Holding/activity history for  Seaboard Corp. (SEB)
← All SEB superinvestors
Period Shares % of Portfolio Activity % Change to Portfolio Price Value Filing
2025   Q4 0 0.00 Sell 100.00% 0.71 $3,323.20–5,096.00 · VW $4,500.49i SEC
2025   Q3 1,015 0.71 $3,703.09 $3,758,636 SEC
2025   Q2 1,015 0.60 Reduce 23.05% 0.16 $2,437.00–3,262.21 · VW $2,955.46i $2,904,118 SEC
2025   Q1 1,319 0.71 Reduce 43.49% 0.48 $2,400.31–3,014.43 · VW $2,666.91i $3,557,501 SEC
2024   Q4 2,334 1.10 $2,429.66 $5,670,826 SEC
2024   Q3 2,334 1.20 $3,137.00 $7,321,758 SEC
2024   Q2 2,334 1.27 $3,160.74 $7,377,167 SEC
2024   Q1 2,334 1.20 $3,223.92 $7,524,629 SEC
2023   Q4 2,334 1.37 Add 0.04% <0.01 $3,420.58–3,796.00 · VW $3,606.53i $8,332,613 SEC
2023   Q3 2,333 1.48 $3,773.23 $8,802,946 SEC
2023   Q2 2,333 1.37 Reduce 0.13% <0.01 $3,510.00–3,999.00 · VW $3,704.67i $8,307,160 SEC
2023   Q1 2,336 1.50 $3,770.01 $8,806,743 SEC
2022   Q4 2,336 1.53 $3,775.21 $8,818,891 SEC
2022   Q3 2,336 1.56 $3,402.83 $7,949,000 SEC
2022   Q2 2,336 1.62 $3,882.71 $9,070,000 SEC
2022   Q1 2,336 1.34 $4,205.91 $9,825,000 SEC
2021   Q4 2,336 1.21 $3,935.36 $9,193,000 SEC
2021   Q3 2,336 1.29 $4,100.17 $9,578,000 SEC
2021   Q2 2,336 1.20 $3,869.01 $9,038,000 SEC
2021   Q1 2,336 1.14 Add 16.80% 0.16 $3,099.02–3,945.00 · VW $3,540.67i $8,620,000 SEC
2020   Q4 2,000 0.85 Add 4.06% 0.03 $2,870.02–3,591.75 · VW $3,202.66i $6,062,000 SEC
2020   Q3 1,922 0.76 Add 12.53% 0.08 $2,624.50–3,471.00 · VW $3,180.17i $5,453,000 SEC
2020   Q2 1,708 0.70 $2,933.84 $5,011,000 SEC
2020   Q1 1,708 0.71 $2,813.23 $4,805,000 SEC
2019   Q4 1,708 0.72 $4,250.59 $7,260,000 SEC
2019   Q3 1,708 0.67 $4,375.29 $7,473,000 SEC
2019   Q2 1,708 0.59 $4,137.00 $7,066,000 SEC
2019   Q1 1,708 0.56 Add 6.09% 0.03 $3,550.00–4,743.71 · VW $4,263.10i $7,237,000 SEC
2018   Q4 1,610 0.47 Add 13.62% 0.06 $3,434.71–3,920.00 · VW $3,739.63i $5,697,000 SEC
2018   Q3 1,417 0.30 Add 0.14% <0.01 $3,525.00–3,865.00 · VW $3,751.67i $5,258,000 SEC
2018   Q2 1,415 0.28 Add 9.78% 0.02 $3,638.00–4,200.00 · VW $3,825.33i $5,608,000 SEC
2018   Q1 1,289 0.28 Add 37.57% 0.08 $3,965.86–4,349.99 · VW $4,107.63i $5,498,000 SEC
2017   Q4 937 0.20 $4,410.89 $4,133,000 SEC
2017   Q3 937 0.19 $4,505.87 $4,222,000 SEC
2017   Q2 937 0.17 $3,995.73 $3,744,000 SEC
2017   Q1 937 0.18 $4,169.69 $3,907,000 SEC
2016   Q4 937 0.17 Reduce 0.32% <0.01 $3,178.01–4,545.00 · VW $3,857.67i $3,703,000 SEC
2016   Q3 940 0.15 Add 4.68% <0.01 $2,815.00–3,600.00 · VW $3,266.67i $3,234,000 SEC
2016   Q2 898 0.12 Add 4626.32% 0.12 $2,590.00–3,125.00 · VW $2,881.67i $2,578,000 SEC
2016   Q1 19 <0.01 Buy <0.01 $2,540.00–3,155.00 · VW $2,899.33i $57,000 SEC
Price snapshot:
Current price$4,705.56
52-week low$2,983.52
52-week high$5,986.51