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Driehaus Capital Management’s CoStar Group CSGP Stock Holding History

Driehaus Capital 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
2025
Q3 		– Sell
-96,183
Closed -$7.73M – 456
2025
Q2 		$7.73M Sell
96,183
-51,810
-35% -$4.04M 0.06% 278
2025
Q1 		$11.7M Buy
+147,993
New +$11.3M 0.11% 222
2020
Q4 		– Sell
-3,290
Closed -$279K – 427
2020
Q3 		$279K Buy
3,290
+420
+15% +$33.5K 0.01% 366
2020
Q2 		$204K Sell
2,870
-4,620
-62% -$299K 0.01% 367
2020
Q1 		$440K Sell
7,490
-1,080
-13% -$70.4K 0.01% 305
2019
Q4 		$513K Sell
8,570
-750
-8% -$43.8K 0.01% 392
2019
Q3 		$553K Buy
9,320
+1,680
+22% +$101K 0.02% 402
2019
Q2 		$423K Buy
7,640
+1,670
+28% +$85.3K 0.01% 393
2019
Q1 		$278K Buy
+5,970
New +$247K 0.01% 360
2018
Q4 		– Sell
-68,150
Closed -$2.87M – 427
2018
Q3 		$2.87M Buy
68,150
+8,450
+14% +$361K 0.09% 248
2018
Q2 		$2.46M Sell
59,700
-7,470
-11% -$287K 0.08% 247
2018
Q1 		$2.44M Buy
67,170
+8,340
+14% +$287K 0.09% 233
2017
Q4 		$1.75M Buy
58,830
+20,640
+54% +$605K 0.07% 281
2017
Q3 		$1.02M Buy
+38,190
New +$1.06M 0.04% 320
2016
Q3 		– Sell
-9,460
Closed -$207K – 530
2016
Q2 		$207K Buy
+9,460
New +$187K 0.01% 506
2016
Q1 		– Sell
-16,320
Closed -$337K – 562
2015
Q4 		$337K Buy
+16,320
New +$325K 0.01% 477
2015
Q3 		– Sell
-171,880
Closed -$3.46M – 556
2015
Q2 		$3.46M Buy
171,880
+18,440
+12% +$376K 0.12% 218
2015
Q1 		$3.04M Buy
+153,440
New +$2.9M 0.11% 242
2014
Q3 		– Sell
-378,880
Closed -$5.99M – 545
2014
Q2 		$5.99M Buy
378,880
+20,000
+6% +$324K 0.19% 139
2014
Q1 		$6.7M Sell
358,880
-117,540
-25% -$2.22M 0.21% 133
2013
Q4 		$8.79M Sell
476,420
-125,740
-21% -$2.22M 0.32% 89
2013
Q3 		$10.1M Sell
602,160
-23,920
-4% -$367K 0.39% 73
2013
Q2 		$8.08M Buy
+626,080
New +$7.08M 0.35% 85

Other funds holding CSGP

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Driehaus Capital Management's CSGP Position: Q3 2025 in Review

Driehaus Capital Management sold out of CoStar Group (CSGP) in Q3 2025, closing a stake of 96,183 shares — an estimated $7.73M sold.

Driehaus Capital Management first reported a position in CSGP in Q2 2013 and held it in 23 quarters. The position peaked at $11.7M in Q1 2025. 905 funds tracked by Wall St. Rank hold CSGP as of Q3 2025.

  • Driehaus Capital Management reported no remaining CoStar Group position as of Q3 2025 after selling out during the quarter.
  • Driehaus Capital Management sold 96,183 CoStar Group shares in Q3 2025, an estimated $7.73M.
  • Driehaus Capital Management first reported a position in CoStar Group in Q2 2013 and held it in 23 quarters.
  • Driehaus Capital Management's CoStar Group position peaked at $11.7M in Q1 2025.
  • 905 funds tracked by Wall St. Rank held CoStar Group as of Q3 2025.

Based on Driehaus Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.