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Joel Greenblatt’s CoStar Group CSGP Stock Holding History

Joel Greenblatt’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 		$18M Buy
635,988
+188,972
+42% +$6.5M 0.04% 614
2026
Q1 		$18M Buy
447,016
+316,669
+243% +$16.5M 0.06% 495
2025
Q4 		$8.76M Buy
130,347
+107,696
+475% +$7.63M 0.03% 670
2025
Q3 		$1.91M Buy
22,651
+17,988
+386% +$1.59M 0.01% 1014
2025
Q2 		$375K Buy
+4,663
New +$363K ﹤0.01% 1402
2023
Q2 		– Sell
-7,670
Closed -$528K – 1320
2023
Q1 		$528K Buy
+7,670
New +$566K 0.01% 946
2022
Q3 		– Sell
-18,371
Closed -$1.11M – 1187
2022
Q2 		$1.11M Buy
+18,371
New +$1.11M 0.04% 540
2020
Q1 		– Sell
-4,380
Closed -$262K – 1095
2019
Q4 		$262K Sell
4,380
-58,740
-93% -$3.43M ﹤0.01% 973
2019
Q3 		$3.74M Buy
+63,120
New +$3.78M 0.07% 332
2018
Q4 		– Sell
-4,970
Closed -$209K – 1002
2018
Q3 		$209K Buy
+4,970
New +$212K ﹤0.01% 897
2018
Q1 		– Sell
-175,970
Closed -$5.22M – 962
2017
Q4 		$5.22M Buy
175,970
+118,590
+207% +$3.47M 0.08% 343
2017
Q3 		$1.54M Buy
+57,380
New +$1.59M 0.02% 551
2017
Q1 		– Sell
-69,310
Closed -$1.31M – 1008
2016
Q4 		$1.31M Sell
69,310
-7,210
-9% -$142K 0.02% 569
2016
Q3 		$1.66M Sell
76,520
-39,290
-34% -$836K 0.02% 525
2016
Q2 		$2.53M Buy
115,810
+49,730
+75% +$983K 0.03% 493
2016
Q1 		$1.24M Buy
+66,080
New +$1.17M 0.01% 632
2014
Q3 		– Sell
-116,760
Closed -$1.85M – 1000
2014
Q2 		$1.85M Buy
+116,760
New +$1.89M 0.02% 544

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

Joel Greenblatt's CSGP Position: Q2 2026 in Review

Joel Greenblatt increased its CoStar Group (CSGP) stake by 42% in Q2 2026, buying an estimated $6.5M and bringing the position to 635,988 shares worth $18M. The position accounts for 0.04% of the portfolio, ranked #614.

Joel Greenblatt first reported a position in CSGP in Q2 2014 and has held it in 17 quarters since. The position peaked at $18M in Q1 2026. 754 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Joel Greenblatt held 635,988 shares of CoStar Group worth $18M as of Q2 2026.
  • Joel Greenblatt bought 188,972 CoStar Group shares in Q2 2026, an estimated $6.5M.
  • CoStar Group made up 0.04% of Joel Greenblatt's portfolio in Q2 2026, its #614 holding.
  • Joel Greenblatt first reported a position in CoStar Group in Q2 2014 and has held it in 17 quarters since.
  • Joel Greenblatt's CoStar Group position peaked at $18M in Q1 2026.
  • 754 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Gotham Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.