Acadian Asset Management
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Acadian Asset Management’s CoStar Group CSGP Stock Holding History

Acadian Asset Management’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 		$2.87M Buy
+101,494
New +$3.49M ﹤0.01% 969
2025
Q4 		– Sell
-162,515
Closed -$13.7M – 1987
2025
Q3 		$13.7M Buy
+162,515
New +$14.4M 0.02% 402
2024
Q3 		– Sell
-11,024
Closed -$816K – 2121
2024
Q2 		$816K Buy
+11,024
New +$934K ﹤0.01% 1063
2023
Q4 		– Sell
-2,649
Closed -$203K – 1692
2023
Q3 		$203K Sell
2,649
-5,645
-68% -$468K ﹤0.01% 1189
2023
Q2 		$737K Buy
+8,294
New +$640K ﹤0.01% 958
2023
Q1 		– Sell
-20,203
Closed -$1.56M – 1777
2022
Q4 		$1.56M Buy
20,203
+18,856
+1,400% +$1.47M 0.01% 738
2022
Q3 		$93K Buy
+1,347
New +$93.5K ﹤0.01% 1383
2021
Q3 		– Sell
-760
Closed -$63K – 1764
2021
Q2 		$63K Sell
760
-2,110
-74% -$182K ﹤0.01% 1758
2021
Q1 		$236K Sell
2,870
-5,010
-64% -$433K ﹤0.01% 1443
2020
Q4 		$728K Buy
7,880
+1,430
+22% +$125K ﹤0.01% 1091
2020
Q3 		$547K Buy
6,450
+3,620
+128% +$289K ﹤0.01% 1107
2020
Q2 		$201K Sell
2,830
-1,150
-29% -$74.3K ﹤0.01% 1485
2020
Q1 		$234K Buy
3,980
+1,680
+73% +$109K ﹤0.01% 1162
2019
Q4 		$138K Sell
2,300
-4,560
-66% -$266K ﹤0.01% 1378
2019
Q3 		$407K Buy
6,860
+5,260
+329% +$315K ﹤0.01% 1145
2019
Q2 		$89K Buy
+1,600
New +$81.8K ﹤0.01% 1385
2018
Q4 		– Sell
-126,200
Closed -$5.31M – 1735
2018
Q3 		$5.31M Buy
126,200
+126,090
+114,627% +$5.39M 0.02% 376
2018
Q2 		$5K Sell
110
-26,930
-100% -$1.04M ﹤0.01% 1640
2018
Q1 		$981K Buy
+27,040
New +$932K ﹤0.01% 726

Other funds holding CSGP

VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
Polen Capital Management
Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Acadian Asset Management's CSGP Position: Q2 2026 in Review

Acadian Asset Management opened a new position in CoStar Group (CSGP) in Q2 2026: 101,494 shares worth $2.87M. The stake represents ﹤0.01% of the portfolio and ranks #969 among its holdings. This is a return to the name: Acadian Asset Management previously reported a position in CSGP as recently as Q3 2025.

Acadian Asset Management first reported a position in CSGP in Q1 2018 and has held it in 19 quarters since. The position peaked at $13.7M in Q3 2025. 563 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Acadian Asset Management held 101,494 shares of CoStar Group worth $2.87M as of Q2 2026.
  • CoStar Group was a new Acadian Asset Management position in Q2 2026.
  • CoStar Group made up ﹤0.01% of Acadian Asset Management's portfolio in Q2 2026, its #969 holding.
  • Acadian Asset Management first reported a position in CoStar Group in Q1 2018 and has held it in 19 quarters since.
  • Acadian Asset Management's CoStar Group position peaked at $13.7M in Q3 2025.
  • 563 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

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