CSGP
CoStar Group, Inc. · Real Estate · Real Estate - Services
Momentum inputs (comparable managers):
holder breadth +5.9% ·
share flow +9.3% ·
net new positions +5.6%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 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 | State Street Global Advisors ✦ (passive) | 17.03M | — | $1.22B | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 11.48M | +1.5% | $819.68M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 11.48M | +1.5% | $819.68M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 7.91M | -10.1% | $566.39M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 5 | Baillie Gifford ✦ | 7.91M | -10.1% | $566.39M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 6 | Baillie Gifford ✦ | 7.91M | -10.1% | $566.39M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 7 | Baillie Gifford ✦ | 7.91M | -10.1% | $566.39M | 0.4% | ▼ Trim | 3 | SEC ↗ |
| 8 | Norges Bank ✦ (passive) | 5.46M | +6.2% | $390.75M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 9 | Tiger Global Management ✦ | 3.25M | New | $232.32M | 0.9% | New | 1 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 1.43M | +1854.9% | $102.57M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 1.26M | -1.2% | $89.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 1.26M | -1.2% | $89.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 13 | Viking Global Investors ✦ | 1.16M | -7.8% | $83.24M | 0.3% | ▼ Trim | 2 | SEC ↗ |
| 14 | Bridgewater Associates ✦ | 879.91K | +108.0% | $62.99M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 15 | Millennium Management ✦ | 434.45K | +109.7% | $31.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Point72 Asset Management ✦ | 417.49K | -35.4% | $29.89M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 17 | Marshall Wace ✦ | 277.93K | New | $19.90M | 0.0% | New | 1 | SEC ↗ |
| 18 | Marshall Wace ✦ | 277.93K | New | $19.90M | 0.0% | New | 1 | SEC ↗ |
| 19 | Marshall Wace ✦ | 277.93K | New | $19.90M | 0.0% | New | 1 | SEC ↗ |
| 20 | Adage Capital Partners ✦ | 251.55K | -0.2% | $18.01M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | Citadel Advisors ✦ | 208.22K | -17.5% | $14.91M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | Citadel Advisors ✦ | 208.22K | -17.5% | $14.91M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | Wellington Management ✦ | 122.11K | -64.9% | $8.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Wellington Management ✦ | 122.11K | -64.9% | $8.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Wellington Management ✦ | 122.11K | -64.9% | $8.74M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | AQR Capital Management ✦ | 28.47K | +11.6% | $2.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | AQR Capital Management ✦ | 28.47K | +11.6% | $2.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | AQR Capital Management ✦ | 28.47K | +11.6% | $2.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | AQR Capital Management ✦ | 28.47K | +11.6% | $2.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Arrowstreet Capital ✦ | 24.58K | +117.9% | $1.76M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Markel Group ✦ | 18.60K | 0.0% | $1.33M | 0.0% | Held | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Tiger Global Management | $232.32M | 0.9% |
| Marshall Wace | $19.90M | 0.0% |
| Marshall Wace | $19.90M | 0.0% |
| Marshall Wace | $19.90M | 0.0% |
Exited
| Renaissance Technologies | $13.22M | was 0.0% |
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