Security record · archived quarter
CSGP
CoStar Group, Inc. · Real Estate · Real Estate - Services
24Tracked holders
+4Δ holders
163.02MShares held
$13.10BReported value
+4New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +20.0% ·
share flow +3.0% ·
net new positions +16.7%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| 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 | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 68.85M | — | $5.54B | 0.1% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 68.85M | — | $5.54B | 0.1% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 68.85M | — | $5.54B | 0.1% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 68.85M | — | $5.54B | 0.1% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 68.85M | — | $5.54B | 0.1% | n/c | 1 | SEC ↗ |
| 6 | The Vanguard Group ✦ (passive) | 68.85M | — | $5.54B | 0.1% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 27 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 28 | BlackRock ✦ (passive) | 35.04M | — | $2.82B | 0.1% | n/c | 1 | SEC ↗ |
| 29 | State Street Global Advisors ✦ (passive) | 17.73M | +0.9% | $1.43B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 12.36M | +2.4% | $989.91M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 12.36M | +2.4% | $989.91M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 32 | Baillie Gifford ✦ | 8.54M | +1.2% | $686.65M | 0.5% | ▲ Add | 5 | SEC ↗ |
| 33 | Baillie Gifford ✦ | 8.54M | +1.2% | $686.65M | 0.5% | ▲ Add | 5 | SEC ↗ |
| 34 | Baillie Gifford ✦ | 8.54M | +1.2% | $686.65M | 0.5% | ▲ Add | 5 | SEC ↗ |
| 35 | Baillie Gifford ✦ | 8.54M | +1.2% | $686.65M | 0.5% | ▲ Add | 5 | SEC ↗ |
| 36 | Norges Bank ✦ (passive) | 5.31M | +0.7% | $426.78M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 37 | Tiger Global Management ✦ | 3.25M | 0.0% | $260.91M | 0.8% | Held | 3 | SEC ↗ |
| 38 | Viking Global Investors ✦ | 3.22M | New | $258.77M | 0.7% | New | 1 | SEC ↗ |
| 39 | Third Point ✦ | 3.08M | +56.2% | $248.03M | 3.3% | ▲ Add | 2 | SEC ↗ |
| 40 | Fidelity (FMR) ✦ | 1.30M | — | $104.19M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Fidelity (FMR) ✦ | 1.30M | — | $104.19M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | T. Rowe Price ✦ | 1.20M | +14.6% | $96.11M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 43 | T. Rowe Price ✦ | 1.20M | +14.6% | $96.11M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 44 | D. E. Shaw & Co. ✦ | 916.39K | 0.0% | $73.68M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 45 | Arrowstreet Capital ✦ | 558.95K | +13.5% | $44.94M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 46 | Bridgewater Associates ✦ | 432.71K | -56.1% | $34.79M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 47 | Adage Capital Partners ✦ | 386.40K | +0.5% | $31.07M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 48 | AQR Capital Management ✦ | 364.86K | +183.7% | $29.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 364.86K | +183.7% | $29.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 364.86K | +183.7% | $29.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 364.86K | +183.7% | $29.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 364.86K | +183.7% | $29.33M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 53 | Marshall Wace ✦ | 126.70K | New | $10.19M | 0.0% | New | 1 | SEC ↗ |
| 54 | Marshall Wace ✦ | 126.70K | New | $10.19M | 0.0% | New | 1 | SEC ↗ |
| 55 | Millennium Management ✦ | 107.32K | -67.0% | $8.63M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 56 | PRIMECAP Management ✦ | 88.00K | +55.8% | $7.08M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Wellington Management ✦ | 86.86K | -7.0% | $6.98M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 58 | Wellington Management ✦ | 86.86K | -7.0% | $6.98M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 59 | Citadel Advisors ✦ | 31.44K | -27.7% | $2.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 60 | Citadel Advisors ✦ | 31.44K | -27.7% | $2.53M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 61 | Two Sigma Investments ✦ | 26.30K | New | $2.11M | 0.0% | New | 1 | SEC ↗ |
| 62 | Markel Group ✦ | 18.60K | 0.0% | $1.50M | 0.0% | Held | 5 | SEC ↗ |
| 63 | Gotham Asset Management ✦ | 4.66K | New | $374,905 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Viking Global Investors | $258.77M | 0.7% |
| Marshall Wace | $10.19M | 0.0% |
| Marshall Wace | $10.19M | 0.0% |
| Two Sigma Investments | $2.11M | 0.0% |
| Gotham Asset Management | $374,905 | 0.0% |
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.
Frequently co-owned
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)
Aug 07
Cann Cynthia Cammett
Officer · 4.79K sh · $147,375
Aug 05
Hill John W
Director · 3.50K sh · $105,735
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G — BAMCO INC /NY/
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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