Weitz Investment Management
SuperinvestorWeitz Investment Management, Inc.
- SEC CIK
- 0000883965
- Manager
- Wally Weitz
- Style
- Value
- Latest filing
- Aug 12, 2026
CSGP holding history
Costar Group, Inc. in every 13F filed by Weitz Investment Management, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
CSGP overviewAll 13F holders of CSGPFull Q2 2026 holdings
- Shares (Q2 2026)
- 423,181
- Value
- $12.0M
- % of portfolio
- 0.8%
- Quarters held
- 22
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 423,181 | $12.0M | 0.8% | −93,844−18.2% | Reduced | Holders |
| Q1 2026 | 517,025 | $20.9M | 1.5% | −202,825−28.2% | Reduced | Holders |
| Q4 2025 | 719,850 | $48.4M | 2.9% | 00.0% | Unchanged | Holders |
| Q3 2025 | 719,850 | $60.7M | 3.3% | −45,750−6.0% | Reduced | Holders |
| Q2 2025 | 765,600 | $61.6M | 3.3% | −146,000−16.0% | Reduced | Holders |
| Q1 2025 | 911,600 | $72.2M | 3.8% | +21,725+2.4% | Added | Holders |
| Q4 2024 | 889,875 | $63.7M | 3.3% | +3,375+0.4% | Added | Holders |
| Q3 2024 | 886,500 | $66.9M | 3.3% | 00.0% | Unchanged | Holders |
| Q2 2024 | 886,500 | $65.7M | 3.4% | +10,000+1.1% | Added | Holders |
| Q1 2024 | 876,500 | $84.7M | 4.3% | 00.0% | Unchanged | Holders |
| Q4 2023 | 876,500 | $76.6M | 4.0% | −70,500−7.4% | Reduced | Holders |
| Q3 2023 | 947,000 | $72.8M | 4.0% | −121,000−11.3% | Reduced | Holders |
| Q2 2023 | 1,068,000 | $95.1M | 5.1% | −32,800−3.0% | Reduced | Holders |
| Q1 2023 | 1,100,800 | $75.8M | 4.4% | −5,000−0.5% | Reduced | Holders |
| Q4 2022 | 1,105,800 | $85.5M | 4.8% | −141,900−11.4% | Reduced | Holders |
| Q3 2022 | 1,247,700 | $86.9M | 5.1% | −215,900−14.8% | Reduced | Holders |
| Q2 2022 | 1,463,600 | $88.4M | 4.6% | +20,500+1.4% | Added | Holders |
| Q1 2022 | 1,443,100 | $96.1M | 4.3% | +313,700+27.8% | Added | Holders |
| Q4 2021 | 1,129,400 | $89.3M | 3.6% | +189,900+20.2% | Added | Holders |
| Q3 2021 | 939,500 | $80.9M | 3.4% | +40,000+4.4% | Added | Holders |
| Q2 2021 | 899,500 | $74.5M | 3.1% | +65,000+7.8% | AddedConverted for a 10-for-1 split | Holders |
| Q1 2021 | 83,450 | $68.6M | 3.0% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.