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Patten & Patten’s CoStar Group CSGP Stock Holding History

Patten & Patten’s Portfolio CSGP Stock Details CSGP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$353K Buy
8,747
+2,444
+39% +$127K 0.02% 273
2025
Q4 		$424K Sell
6,303
-2,255
-26% -$160K 0.02% 254
2025
Q3 		$722K Sell
8,558
-3
-0% -$265 0.04% 218
2025
Q2 		$688K Buy
8,561
+3
+0% +$234 0.04% 202
2025
Q1 		$678K Sell
8,558
-5
-0.1% -$380 0.05% 198
2024
Q4 		$613K Sell
8,563
-276
-3% -$20.8K 0.04% 204
2024
Q3 		$667K Sell
8,839
-257
-3% -$19.5K 0.04% 197
2024
Q2 		$674K Buy
9,096
+40
+0.4% +$3.39K 0.05% 188
2024
Q1 		$875K Buy
9,056
+1,330
+17% +$114K 0.06% 171
2023
Q4 		$675K Buy
7,726
+1,718
+29% +$139K 0.06% 173
2023
Q3 		$462K Buy
6,008
+1,834
+44% +$152K 0.04% 198
2023
Q2 		$371K Sell
4,174
-477
-10% -$36.8K 0.03% 215
2023
Q1 		$320K Buy
4,651
+269
+6% +$19.8K 0.03% 223
2022
Q4 		$339K Buy
4,382
+10
+0.2% +$781 0.03% 214
2022
Q3 		$305K Buy
+4,372
New +$304K 0.03% 226

Other funds holding CSGP

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Polen Capital Management
Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

Patten & Patten's CSGP Position: Q1 2026 in Review

Patten & Patten increased its CoStar Group (CSGP) stake by 39% in Q1 2026, buying an estimated $127K and bringing the position to 8,747 shares worth $353K. The position accounts for 0.02% of the portfolio, ranked #273.

Patten & Patten first reported a position in CSGP in Q3 2022 and has held it in 15 quarters since. The position peaked at $875K in Q1 2024. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

  • Patten & Patten held 8,747 shares of CoStar Group worth $353K as of Q1 2026.
  • Patten & Patten bought 2,444 CoStar Group shares in Q1 2026, an estimated $127K.
  • CoStar Group made up 0.02% of Patten & Patten's portfolio in Q1 2026, its #273 holding.
  • Patten & Patten first reported a position in CoStar Group in Q3 2022 and has held it in 15 quarters since.
  • Patten & Patten's CoStar Group position peaked at $875K in Q1 2024.
  • 792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Patten & Patten's 13F filing for Q1 2026, filed 1 May 2026.