Bamco Inc
- SEC CIK
- 0001017918
- Latest filing
- Aug 14, 2026
CSGP holding history
Costar Group, Inc. in every 13F filed by Bamco Inc, 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)
- 21,626,763
- Value
- $612.5M
- % of portfolio
- 0.9%
- Quarters held
- 22
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 21,626,763 | $612.5M | 0.9% | +5,312,588+32.6% | Added | Holders |
| Q1 2026 | 16,314,175 | $658.1M | 2.0% | −3,183,924−16.3% | Reduced | Holders |
| Q4 2025 | 19,498,099 | $1.31B | 3.6% | +242,533+1.3% | Added | Holders |
| Q3 2025 | 19,255,566 | $1.62B | 4.3% | −424,369−2.2% | Reduced | Holders |
| Q2 2025 | 19,679,935 | $1.58B | 4.3% | +647,413+3.4% | Added | Holders |
| Q1 2025 | 19,032,522 | $1.51B | 4.4% | −171,042−0.9% | Reduced | Holders |
| Q4 2024 | 19,203,564 | $1.37B | 3.6% | +418,128+2.2% | Added | Holders |
| Q3 2024 | 18,785,436 | $1.42B | 3.8% | −485,562−2.5% | Reduced | Holders |
| Q2 2024 | 19,270,998 | $1.43B | 4.1% | −66,620−0.3% | Reduced | Holders |
| Q1 2024 | 19,337,618 | $1.87B | 5.0% | −53,665−0.3% | Reduced | Holders |
| Q4 2023 | 19,391,283 | $1.69B | 4.5% | +194,781+1.0% | Added | Holders |
| Q3 2023 | 19,196,502 | $1.48B | 4.3% | +91,399+0.5% | Added | Holders |
| Q2 2023 | 19,105,103 | $1.70B | 4.7% | +135,022+0.7% | Added | Holders |
| Q1 2023 | 18,970,081 | $1.31B | 3.9% | −140,122−0.7% | Reduced | Holders |
| Q4 2022 | 19,110,203 | $1.48B | 5.0% | −144,677−0.8% | Reduced | Holders |
| Q3 2022 | 19,254,880 | $1.34B | 4.3% | +17,360+0.1% | Added | Holders |
| Q2 2022 | 19,237,520 | $1.16B | 3.7% | +388,347+2.1% | Added | Holders |
| Q1 2022 | 18,849,173 | $1.26B | 3.1% | +350,382+1.9% | Added | Holders |
| Q4 2021 | 18,498,791 | $1.46B | 3.1% | −140,948−0.8% | Reduced | Holders |
| Q3 2021 | 18,639,739 | $1.60B | 3.6% | −153,521−0.8% | Reduced | Holders |
| Q2 2021 | 18,793,260 | $1.56B | 3.6% | −609,330−3.1% | ReducedConverted for a 10-for-1 split | Holders |
| Q1 2021 | 1,940,259 | $1.59B | 3.9% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.