Costar Group, Inc.
CSGP- Exchange
- Nasdaq
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001057352
In the last 90 days, Costar Group, Inc. insiders filed 1 open-market purchase and 2 sales; 760 institutions reported holding it in 13F filings for Q2 2026, worth $11.7B in total; superinvestors Akre Capital Management and Weitz Investment Management hold it.
13F holders, Q2 2026
Institutional positions in Costar Group, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 760
- −28 vs. Q1 2026
- Shares held
- 414.0M
- +5.90M (+1.4%) vs. Q1 2026
- Total value
- $11.7B
- −$4.74B (−28.8%) vs. Q1 2026
- New holders
- 115
- 303 more added
- Sold out
- 143
- 266 more reduced
9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting CSGP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 760 | $11.7B |
| Q1 2026 | 797 | $16.8B |
| Q4 2025 | 847 | $28.4B |
| Q3 2025 | 905 | $34.9B |
| Q2 2025 | 873 | $34.2B |
| Q1 2025 | 858 | $33.9B |
| Q4 2024 | 805 | $28.9B |
| Q3 2024 | 773 | $30.0B |
| Q2 2024 | 767 | $29.3B |
| Q1 2024 | 767 | $38.4B |
| Q4 2023 | 737 | $34.4B |
| Q3 2023 | 690 | $30.1B |
| Q2 2023 | 714 | $35.5B |
| Q1 2023 | 692 | $26.7B |
| Q4 2022 | 704 | $30.4B |
| Q3 2022 | 634 | $28.0B |
| Q2 2022 | 591 | $23.0B |
| Q1 2022 | 589 | $25.2B |
| Q4 2021 | 633 | $29.6B |
| Q3 2021 | 594 | $32.3B |
| Q2 2021 | 607 | $31.1B |
| Q1 2021 | 593 | $31.2B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Costar Group, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| LRI Investments, LLC | 591 | $16.7K | 0.00% | +591 | New |
| CVA Family Office, LLC | 590 | $16.7K | 0.00% | +429+266.5% | Added |
| Park Place Capital Corp | 588 | $16.7K | 0.00% | +43+7.9% | Added |
| Clearstead Advisors, LLC | 586 | $16.6K | 0.00% | −1,377−70.1% | Reduced |
| Whittier Trust Co of Nevada Inc | 520 | $15.5K | 0.00% | −456−46.7% | Reduced |
| Colonial Trust Co | 544 | $15.4K | 0.00% | 00.0% | Unchanged |
| Close Asset Management Ltd | 520 | $15.0K | 0.00% | 00.0% | Unchanged |
| Cromwell Holdings LLC | 526 | $14.9K | 0.01% | +442+526.2% | Added |
| CoreCap Advisors, LLC | 503 | $14.2K | 0.00% | +472+1,522.6% | Added |
| Bokf, NA | 501 | $14.2K | 0.00% | +199+65.9% | Added |
| Wealth Enhancement Trust Services, Inc. | 481 | $13.6K | 0.00% | +481 | New |
| Quent Capital, LLC | 468 | $13.3K | 0.00% | +386+470.7% | Added |
| Rossby Financial, LCC | 450 | $12.7K | 0.00% | −53−10.5% | Reduced |
| SJS Investment Consulting Inc. | 447 | $12.7K | 0.00% | +430+2,529.4% | Added |
| Fortitude Family Office, LLC | 431 | $12.2K | 0.00% | +409+1,859.1% | Added |
| TD Private Client Wealth LLC | 407 | $11.5K | 0.00% | −589−59.1% | Reduced |
| First Command Advisory Services, Inc. | 405 | $11.5K | 0.00% | +218+116.6% | Added |
| Stance Capital LLC | 400 | $11.3K | 0.00% | +202+102.0% | Added |
| SBI Securities Co., Ltd. | 384 | $10.9K | 0.00% | +94+32.4% | Added |
| Hilltop National Bank | 380 | $10.8K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 298 | $9.00K | 0.01% | +131+78.4% | Added |
| Prosperity Bancshares Inc | 309 | $8.75K | 0.01% | 00.0% | Unchanged |
| Silver Grove Financial Group, Inc. | 299 | $8.47K | 0.00% | +299 | New |
| Avalon Trust Co | 297 | $8.41K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 280 | $7.93K | 0.00% | −146−34.3% | Reduced |
| Harbour Investments, Inc. | 279 | $7.90K | 0.00% | −178−38.9% | Reduced |
| Private Trust Co NA | 276 | $7.82K | 0.00% | −175−38.8% | Reduced |
| Atlas Capital Advisors LLC | 249 | $7.05K | 0.00% | −783−75.9% | Reduced |
| Davis Capital Management | 246 | $6.97K | 0.00% | −13,089−98.2% | Reduced |
| Chilton Capital Management LLC | 245 | $6.94K | 0.00% | 00.0% | Unchanged |
| Pinnacle Bancorp, Inc. | 236 | $6.68K | 0.00% | +171+263.1% | Added |
| WPG Advisers, LLC | 231 | $6.54K | 0.00% | +10+4.5% | Added |
| Cornerstone Planning Group LLC | 232 | $6.42K | 0.00% | −19−7.6% | Reduced |
| Johnson Financial Group, Inc. | 220 | $6.23K | 0.00% | −44−16.7% | Reduced |
| Birchwood Financial Partners, Inc. | 216 | $6.12K | 0.01% | −1−0.5% | Reduced |
| Barnes Dennig Private Wealth Management LLC | 203 | $5.75K | 0.00% | +203 | New |
| TD Waterhouse Canada Inc. | 195 | $5.73K | 0.00% | −300−60.6% | Reduced |
| First National Bank | 200 | $5.66K | 0.00% | +200 | New |
| Golden State Wealth Management, LLC | 190 | $5.38K | 0.00% | −145−43.3% | Reduced |
| McDonald Partners LLC | 180 | $5.10K | 0.00% | +180 | New |
| CX Institutional | 181 | $5.00K | 0.00% | −670−78.7% | Reduced |
| St Germain D J Co Inc | 176 | $4.98K | 0.00% | 00.0% | Unchanged |
| Quaker Wealth Management, LLC | 175 | $4.96K | 0.00% | +26+17.4% | Added |
| Ronald Blue Trust, Inc. | 172 | $4.87K | 0.00% | −76−30.6% | Reduced |
| Tounjian Advisory Partners, LLC | 163 | $4.62K | 0.00% | +163 | New |
| Private Wealth Asset Management, LLC | 159 | $4.50K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 159 | $4.50K | 0.00% | +124+354.3% | Added |
| Rational Advisors LLC | 155 | $4.39K | 0.00% | +16+11.5% | Added |
| Atlantic Trust, LLC | 139 | $3.94K | 0.00% | −35−20.1% | Reduced |
| MV Capital Management, Inc. | 138 | $3.91K | 0.00% | +24+21.1% | Added |
| Bruce G. Allen Investments, LLC | 138 | $3.91K | 0.00% | +78+130.0% | Added |
| Asset Dedication, LLC | 131 | $3.71K | 0.00% | 00.0% | Unchanged |
| Ares Financial Consulting, LLC | 125 | $3.54K | 0.00% | +125 | New |
| Kilter Group LLC | 123 | $3.48K | 0.00% | +29+30.9% | Added |
| Bartlett & Co. Wealth Management LLC | 122 | $3.46K | 0.00% | +122 | New |
| Manchester Capital Management LLC | 121 | $3.43K | 0.00% | +57+89.1% | Added |
| Cape Investment Advisory, Inc. | 121 | $3.43K | 0.00% | +121 | New |
| Bogart Wealth, LLC | 120 | $3.40K | 0.00% | +88+275.0% | Added |
| Principia Wealth Advisory, LLC | 117 | $3.31K | 0.00% | +23+24.5% | Added |
| Westfuller Advisors, LLC | 110 | $3.12K | 0.00% | −76−40.9% | Reduced |
| Arlington Trust Co LLC | 110 | $3.12K | 0.00% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 110 | $3.12K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 90 | $3.00K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 133 | $3.00K | 0.00% | +112+533.3% | Added |
| Continuum Advisory, LLC | 103 | $2.92K | 0.00% | +103 | New |
| Aventura Private Wealth, LLC | 102 | $2.89K | 0.00% | 00.0% | Unchanged |
| First United Bank Trust | 100 | $2.83K | 0.00% | 00.0% | Unchanged |
| Orion Capital Management LLC | 100 | $2.83K | 0.00% | 00.0% | Unchanged |
| Vanguard National Trust Co | 100 | $2.83K | 0.00% | 00.0% | Unchanged |
| HM Payson & Co | 100 | $2.83K | 0.00% | +50+100.0% | Added |
| Crews Bank & Trust | 100 | $2.83K | 0.00% | +100 | New |
| Raffa Wealth Management, LLC | 99 | $2.80K | 0.00% | +17+20.7% | Added |
| Clear Street Markets LLC | 95 | $2.69K | 0.00% | +95 | New |
| MTM Investment Management, LLC | 93 | $2.63K | 0.00% | 00.0% | Unchanged |
| Planning Strategies Inc. | 90 | $2.55K | 0.00% | +90 | New |
| Beacon Investment Advisory Services, Inc. | 88 | $2.49K | 0.00% | +88 | New |
| SHP Wealth Management | 83 | $2.35K | 0.00% | +77+1,283.3% | Added |
| Atlantic Union Bankshares Corp | 82 | $2.32K | 0.00% | −1,120−93.2% | Reduced |
| Plante Moran Financial Advisors, LLC | 82 | $2.32K | 0.00% | +82 | New |
| Marquette Asset Management, LLC | 78 | $2.21K | 0.00% | +67+609.1% | Added |
| Heritage Wealth Advisors | 76 | $2.15K | 0.00% | −517−87.2% | Reduced |
| Owl Creek Wealth Partners LLC | 75 | $2.12K | 0.00% | −270−78.3% | Reduced |
| TD Capital Management LLC | 73 | $2.07K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 72 | $2.04K | 0.00% | +72 | New |
| Dogwood Wealth Management LLC | 71 | $2.01K | 0.00% | −6−7.8% | Reduced |
| Farmers & Merchants Trust Co of Chambersburg PA | 64 | $2.00K | 0.00% | 00.0% | Unchanged |
| Action Point Financial Planning, LLC | 72 | $1.98K | 0.00% | +72 | New |
| J.Safra Asset Management Corp | 70 | $1.98K | 0.00% | +70 | New |
| Synergy Investment Management, LLC | 64 | $1.91K | 0.00% | +64 | New |
| Crewe Advisors LLC | 66 | $1.87K | 0.00% | +26+65.0% | Added |
| DT Investment Partners, LLC | 62 | $1.76K | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 59 | $1.67K | 0.00% | −105−64.0% | Reduced |
| Lloyd Advisory Services, LLC. | 57 | $1.61K | 0.00% | +54+1,800.0% | Added |
| Bell Investment Advisors, Inc | 56 | $1.59K | 0.00% | −13−18.8% | Reduced |
| North Star Investment Management Corp. | 56 | $1.59K | 0.00% | +56 | New |
| Ancora Advisors, LLC | 54 | $1.53K | 0.00% | −190−77.9% | Reduced |
| Anchor Investment Management, LLC | 51 | $1.44K | 0.00% | +51 | New |
| Princeton Global Asset Management LLC | 51 | $1.44K | 0.00% | +51 | New |
| South State Corp. | 50 | $1.42K | 0.00% | −184−78.6% | Reduced |
| Gill Capital Partners, LLC | 50 | $1.42K | 0.00% | 00.0% | Unchanged |