Security record · archived quarter
CSGP
CoStar Group, Inc. · Real Estate · Real Estate - Services
164Tracked holders
-4Δ holders
297.65MShares held
$12.02BReported value
+8New positions
−13Exits
Momentum inputs (comparable managers):
holder breadth -2.4% ·
share flow +0.1% ·
net new positions -3.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 159 | -1 | 281.99M | $8.00B | +6 | −8 |
| 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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 33.81M | -0.5% | $1.36B | 0.0% | ▼ Trim | 4 | SEC ↗ ×22 |
| 2 | Vanguard Capital Management Llc | 27.42M | — | $1.11B | 0.0% | n/c | 1 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 18.65M | +0.1% | $752.38M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 4 | Principal Financial Group Inc | 17.70M | +0.7% | $713.87M | 0.4% | ▲ Add | 2 | SEC ↗ ×4 |
| 5 | Bamco Inc /Ny/ | 16.31M | -16.3% | $658.11M | 2.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Invesco Ltd. | 15.95M | +7.0% | $643.32M | 0.1% | ▲ Add | 2 | SEC ↗ ×11 |
| 7 | Capital International Investors | 15.51M | +43.1% | $625.82M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 8 | Baillie Gifford ✦ | 13.61M | +5.2% | $549.06M | 0.6% | ▲ Add | 8 | SEC ↗ ×4 |
| 9 | Geode Capital Management ✦ (passive) | 12.45M | +2.2% | $500.45M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 10 | Goldman Sachs Group ✦ | 9.25M | +146.4% | $372.98M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 11 | Janus Henderson Group Plc | 7.72M | +3.4% | $311.59M | 0.1% | ▲ Add | 2 | SEC ↗ ×5 |
| 12 | D. E. Shaw & Co. ✦ | 5.91M | +552.6% | $238.39M | 0.2% | ▲ Add | 8 | SEC ↗ |
| 13 | Morgan Stanley ✦ | 5.41M | +2.3% | $218.34M | 0.0% | ▲ Add | 3 | SEC ↗ ×14 |
| 14 | Capital Research Global Investors | 4.37M | -21.4% | $176.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Bank Of America Corp /De/ | 3.57M | +1.8% | $143.94M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 16 | Northern Trust Corp | 3.43M | -1.0% | $138.46M | 0.0% | ▼ Trim | 2 | SEC ↗ ×8 |
| 17 | Amundi | 3.28M | -20.3% | $132.34M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 18 | Legal & General Group Plc | 3.03M | +5.7% | $122.05M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 19 | Charles Schwab Investment… | 2.87M | +7.9% | $115.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Fidelity (FMR) ✦ | 2.83M | +135.5% | $114.22M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 21 | Ensign Peak Advisors, Inc | 2.73M | +372.8% | $110.30M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 22 | BNP Paribas Asset Management… | 2.68M | -4.9% | $107.93M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 23 | Bank Of Montreal /Can/ | 2.49M | +448.0% | $100.35M | 0.0% | ▲ Add | 2 | SEC ↗ ×9 |
| 24 | UBS AM, a distinct business unit of… | 2.43M | -0.3% | $97.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×11 |
| 25 | Dimensional Fund Advisors Lp | 2.40M | +3.5% | $96.91M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 26 | Bank of New York Mellon Corp | 2.40M | -41.6% | $96.84M | 0.0% | ▼ Trim | 2 | SEC ↗ ×21 |
| 27 | Nomura Asset Management… | 2.33M | -40.3% | $94.14M | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 28 | Canada Pension Plan Investment Board | 2.01M | +171.2% | $81.12M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 29 | Nuveen, LLC | 1.93M | -45.8% | $77.89M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 30 | Deutsche Bank Ag\ | 1.90M | +7.0% | $76.63M | 0.0% | ▲ Add | 2 | SEC ↗ ×13 |
| 31 | JPMorgan Chase ✦ | 1.85M | +139.6% | $75.61M | 0.0% | ▲ Add | 3 | SEC ↗ ×11 |
| 32 | Envestnet Asset Management Inc | 1.80M | +34.9% | $72.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Mackenzie Financial Corp | 1.64M | -1.3% | $66.10M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 34 | T. Rowe Price ✦ | 1.52M | +26.6% | $61.23M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 35 | Tiger Global Management ✦ | 1.50M | -33.6% | $60.51M | 0.3% | ▼ Trim | 6 | SEC ↗ |
| 36 | Royal Bank Of Canada | 1.44M | +9.8% | $57.92M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 37 | Wells Fargo & Company/Mn | 1.40M | +59.2% | $56.57M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 38 | Pictet Asset Management Holding SA | 1.37M | +30.0% | $55.36M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 39 | Hsbc Holdings Plc | 1.35M | -31.8% | $54.39M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 40 | UBS Group AG | 1.33M | -37.2% | $53.49M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 41 | Federated Hermes, Inc. | 1.30M | -1.9% | $52.36M | 0.1% | ▼ Trim | 2 | SEC ↗ ×3 |
| 42 | AQR Capital Management ✦ | 1.26M | +241.9% | $50.94M | 0.0% | ▲ Add | 8 | SEC ↗ ×6 |
| 43 | Swiss National Bank | 1.24M | +7.1% | $50.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Barclays Plc | 1.23M | -46.9% | $49.70M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 45 | Citadel Advisors ✦ | 1.09M | +80.0% | $43.90M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 46 | Jane Street Group, Llc | 1.09M | +358.1% | $43.87M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 47 | Mitsubishi UFJ Asset Management… | 1.05M | -0.5% | $42.43M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | Massachusetts Financial Services Co… | 956.10K | -69.7% | $39.25M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 49 | Sumitomo Mitsui Trust Group, Inc. | 954.07K | -4.6% | $38.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Citigroup Inc | 953.62K | -36.5% | $38.47M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 51 | Focus Partners Wealth | 922.12K | +9.6% | $37.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Blair William & Co/Il | 900.31K | -55.5% | $36.32M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 53 | First Trust Advisors Lp | 839.04K | +19.3% | $33.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | PRIMECAP Management ✦ | 803.60K | +432.2% | $32.42M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 55 | Rhumbline Advisers | 792.76K | +3.1% | $31.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Squarepoint Ops LLC | 782.61K | -1.6% | $31.57M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 57 | Bnp Paribas Financial Markets | 768.72K | -23.0% | $31.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | National Pension Service | 702.68K | +3.0% | $28.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Ameriprise Financial Inc | 687.78K | +11.8% | $27.72M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 60 | Alliancebernstein L.P. | 407.51K | -3.5% | $27.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | California State Teachers… | 667.11K | -2.3% | $26.91M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Raymond James Financial Inc | 628.58K | +23.4% | $25.36M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 63 | ProShare Advisors LLC | 611.28K | -18.9% | $24.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | California Public Employees… | 532.68K | -27.2% | $21.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Marshall Wace ✦ | 517.26K | +32.2% | $20.87M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 66 | CIBC Bancorp USA Inc. | 500.11K | — | $20.18M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 67 | Gotham Asset Management ✦ | 447.02K | +242.9% | $18.03M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 68 | Royal London Asset Management Ltd | 431.87K | +5.5% | $17.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Mitsubishi UFJ Trust & Banking Corp | 423.59K | -11.3% | $17.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 70 | Ninety One UK Ltd | 414.99K | +17.0% | $16.74M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Sei Investments Co | 386.56K | -37.8% | $15.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 72 | Adage Capital Partners ✦ | 378.10K | -1.2% | $15.25M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 73 | State Board Of Administration Of… | 376.00K | 0.0% | $15.17M | 0.0% | Held | 2 | SEC ↗ |
| 74 | Fayez Sarofim & Co | 374.57K | -83.3% | $15.11M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 75 | Russell Investments Group, Ltd. | 349.78K | -36.1% | $14.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 76 | Quantinno Capital Management LP | 340.15K | +68.3% | $13.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | FIL Ltd | 339.63K | -46.9% | $13.70M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 78 | Brown Advisory Inc | 337.02K | -82.3% | $13.60M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 79 | Victory Capital Management Inc | 335.43K | +0.1% | $13.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Aberdeen Group plc | 319.48K | +3.0% | $12.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 81 | Two Sigma Investments ✦ | 303.00K | New | $12.22M | 0.0% | New | 1 | SEC ↗ |
| 82 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 291.69K | -3.2% | $11.77M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 83 | State Of Wisconsin Investment Board | 285.91K | +25.1% | $11.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Susquehanna International Group, Llp | 254.33K | +30.6% | $10.26M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | LMR Partners LLP | 252.95K | New | $10.20M | 0.1% | New | 1 | SEC ↗ |
| 86 | Franklin Resources Inc | 249.57K | -78.5% | $10.07M | 0.0% | ▼ Trim | 2 | SEC ↗ ×9 |
| 87 | Universal- Beteiligungs- und… | 246.63K | -8.1% | $10.05M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 88 | Manufacturers Life Insurance… | 248.75K | -1.4% | $10.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Stifel Financial Corp | 245.21K | +1.4% | $9.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 90 | Aviva Plc | 243.05K | -13.9% | $9.80M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Mirae Asset Global Investments Co.… | 227.68K | +8.4% | $9.18M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 92 | Td Asset Management Inc | 212.41K | -53.6% | $8.57M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Chevy Chase Trust Holdings, LLC | 209.00K | -2.8% | $8.43M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 94 | Danske Bank A/S | 207.44K | -5.0% | $8.37M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 95 | Prudential Financial Inc | 206.08K | -2.8% | $8.31M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 96 | New York State Common Retirement… | 205.32K | -9.9% | $8.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Asset Management One Co., Ltd. | 185.49K | +1.1% | $7.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Korea Investment CORP | 183.88K | -10.4% | $7.42M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | Tudor Investment Corp Et Al | 179.28K | -12.5% | $7.23M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 100 | CIBC Asset Management Inc | 177.08K | -11.4% | $7.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Two Sigma Investments | $12.22M | 0.0% |
| LMR Partners LLP | $10.20M | 0.1% |
Exited
| Norges Bank | $476.76M | was 0.1% |
| Third Point | $212.81M | was 2.9% |
| Viking Global Investors | $97.00M | was 0.3% |
| Caisse De Depot Et Placement… | $39.48M | was 0.1% |
| Clearbridge Investments, LLC | $25.69M | was 0.0% |
| Parnassus Investments, Llc | $18.34M | was 0.0% |
| Jennison Associates Llc | $11.09M | was 0.0% |
| Hrt Financial Lp | $8.33M | was 0.0% |
| Group One Trading Llc | $1.33M | was 0.0% |
| Bridgewater Associates | $606,505 | was 0.0% |
| First Manhattan Co. Llc. | $460,392 | was 0.0% |
| Loomis Sayles & Co L P | $236,349 | 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.
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: Q1 2026 ·
Methodology ·
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