CSGP
CoStar Group, Inc. · Real Estate · Real Estate - Services
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 161 | -1 | 285.24M | $8.09B | +6 | −6 |
| Q1 2026 | 164 | -4 | 297.65M | $12.02B | +8 | −13 |
| Q4 2025 | 167 | 0 | 346.71M | $23.31B | +2 | −1 |
| Q3 2025 | 23 | -3 | 175.87M | $14.83B | — | −4 |
| Q2 2025 | 24 | +4 | 163.02M | $13.10B | +4 | — |
| Q1 2025 | 17 | -1 | 53.06M | $4.20B | +2 | −3 |
| Q4 2024 | 18 | +1 | 51.64M | $3.69B | +2 | −1 |
| Q3 2024 | 16 | +2 | 30.21M | $2.28B | +3 | −1 |
| Q2 2024 | 14 | — | 29.50M | $2.19B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 11.07M | — | $819.02M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 2 | Baillie Gifford ✦ | 9.05M | — | $671.10M | 0.5% | n/c | 1 | SEC ↗ ×4 |
| 3 | Norges Bank ✦ (passive) | 5.10M | — | $377.86M | 0.1% | n/c | 1 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 1.44M | — | $107.10M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 5 | Renaissance Technologies ✦ | 629.78K | — | $46.69M | 0.1% | n/c | 1 | SEC ↗ |
| 6 | Wellington Management ✦ | 602.04K | — | $44.64M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 7 | Citadel Advisors ✦ | 466.70K | — | $34.60M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Bridgewater Associates ✦ | 342.02K | — | $25.36M | 0.1% | n/c | 1 | SEC ↗ |
| 9 | Millennium Management ✦ | 315.58K | — | $23.40M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Adage Capital Partners ✦ | 278.70K | — | $20.66M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 147.29K | — | $10.92M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 28.82K | — | $2.13M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 13 | Markel Group ✦ | 18.60K | — | $1.38M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 9.34K | — | $692,764 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 787 holders, 405.09M shares, $16.02B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 4.79K sh · $147,375
Director · 3.50K sh · $105,735
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology