CenterBook Partners’s CoStar Group CSGP Stock Holding History

CenterBook Partners’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	$2.02M	Buy	+71,443	New	+$2.46M	0.1%	228
2025 Q4	–	Sell	-10,808	Closed	-$912K	–	580
2025 Q3	$912K	Buy	+10,808	New	+$955K	0.05%	399
2025 Q1	–	Sell	-4,656	Closed	-$333K	–	499
2024 Q4	$333K	Buy	+4,656	New	+$352K	0.02%	448
2022 Q4	–	Sell	-13,199	Closed	-$919K	–	398
2022 Q3	$919K	Sell	13,199 -8,555	-39%	-$594K	0.18%	194
2022 Q2	$1.31M	Buy	21,754 +13,183	+154%	+$798K	0.28%	127
2022 Q1	$571K	Buy	+8,571	New	+$569K	0.2%	183

Other funds holding CSGP

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return

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 Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

CenterBook Partners's CSGP Position: Q2 2026 in Review

CenterBook Partners opened a new position in CoStar Group (CSGP) in Q2 2026: 71,443 shares worth $2.02M. The stake represents 0.1% of the portfolio and ranks #228 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in CSGP as recently as Q3 2025.

CenterBook Partners first reported a position in CSGP in Q1 2022 and has held it in 6 quarters since. 758 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

CenterBook Partners held 71,443 shares of CoStar Group worth $2.02M as of Q2 2026.
CoStar Group was a new CenterBook Partners position in Q2 2026.
CoStar Group made up 0.1% of CenterBook Partners's portfolio in Q2 2026, its #228 holding.
CenterBook Partners first reported a position in CoStar Group in Q1 2022 and has held it in 6 quarters since.
758 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.