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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
Q2 		$638K Buy
22,522
+13,775
+157% +$474K 0.03% 227
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

Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
ACM
AKRE Capital Management Middleburg, Virginia $5.12B AUM 19.08% 1-Year Est. Return
Polen Capital Management
Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

Patten & Patten's CSGP Position: Q2 2026 in Review

Patten & Patten increased its CoStar Group (CSGP) stake by 157% in Q2 2026, buying an estimated $474K and bringing the position to 22,522 shares worth $638K. The position accounts for 0.03% of the portfolio, ranked #227.

Patten & Patten first reported a position in CSGP in Q3 2022 and has held it in 16 quarters since. The position peaked at $875K in Q1 2024. 758 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Patten & Patten held 22,522 shares of CoStar Group worth $638K as of Q2 2026.
  • Patten & Patten bought 13,775 CoStar Group shares in Q2 2026, an estimated $474K.
  • CoStar Group made up 0.03% of Patten & Patten's portfolio in Q2 2026, its #227 holding.
  • Patten & Patten first reported a position in CoStar Group in Q3 2022 and has held it in 16 quarters since.
  • Patten & Patten's CoStar Group position peaked at $875K in Q1 2024.
  • 758 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Patten & Patten's 13F filing for Q2 2026, filed 5 Aug 2026.