Wallace Weitz - Weitz Investment Management, Inc.
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    49
Portfolio value:    $1,432,543,452
Holdings Activity Buys Sells    History
Holding/activity history for  CoStar Group Inc. (CSGP)
Period Shares % of Portfolio Activity % Change to Portfolio Reported Price Value Filing
2026   Q1 517,025 1.46 Reduce 28.18% 0.81 $40.34 $20,856,789 SEC
2025   Q4 719,850 2.87 $67.24 $48,402,714 SEC
2025   Q3 719,850 3.30 Reduce 5.98% 0.20 $84.37 $60,733,745 SEC
2025   Q2 765,600 3.32 Reduce 16.02% 0.62 $80.40 $61,554,240 SEC
2025   Q1 911,600 3.84 Add 2.44% 0.09 $79.23 $72,226,068 SEC
2024   Q4 889,875 3.29 Add 0.38% 0.01 $71.59 $63,706,151 SEC
2024   Q3 886,500 3.30 $75.44 $66,877,560 SEC
2024   Q2 886,500 3.47 Add 1.14% 0.04 $74.14 $65,725,110 SEC
2024   Q1 876,500 4.30 $96.60 $84,669,900 SEC
2023   Q4 876,500 4.06 Reduce 7.44% 0.30 $87.39 $76,597,335 SEC
2023   Q3 947,000 4.03 Reduce 11.33% 0.58 $76.89 $72,814,830 SEC
2023   Q2 1,068,000 5.10 Reduce 2.98% 0.13 $89.00 $95,052,000 SEC
2023   Q1 1,100,800 4.40 Reduce 0.45% 0.02 $68.85 $75,790,080 SEC
2022   Q4 1,105,800 4.89 Reduce 11.37% 0.59 $77.28 $85,456,224 SEC
2022   Q3 1,247,700 5.18 Reduce 14.75% 0.69 $69.65 $86,902,000 SEC
2022   Q2 1,463,600 4.67 Add 1.42% 0.07 $60.41 $88,416,000 SEC
2022   Q1 1,443,100 4.30 Add 27.78% 0.93 $66.61 $96,125,000 SEC
2021   Q4 1,129,400 3.61 Add 20.21% 0.61 $79.03 $89,256,000 SEC
2021   Q3 939,500 3.42 Add 4.45% 0.15 $86.06 $80,853,000 SEC
2021   Q2 899,500 3.17 Add 977.89% 2.88 $82.82 $74,497,000 SEC
2021   Q1 83,450 3.06 Add 4.38% 0.13 $821.89 $68,587,000 SEC
2020   Q4 79,950 3.18 Add 0.06% <0.01 $924.28 $73,896,000 SEC
2020   Q3 79,900 3.20 $848.51 $67,796,000 SEC
2020   Q2 79,900 2.84 Add 23.11% 0.53 $710.68 $56,783,000 SEC
2020   Q1 64,900 2.04 Buy 2.04 $587.21 $38,110,000 SEC