North Star Investment Management’s CoStar Group CSGP Stock Holding History

North Star Investment 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	$1.59K	Buy	+56	New	+$1.93K	﹤0.01%	1460
2026 Q1	–	Sell	-43	Closed	-$2.89K	–	1721
2025 Q4	$2.89K	Buy	+43	New	+$3.05K	﹤0.01%	1241
2023 Q4	–	Sell	-7	Closed	-$538	–	1220
2023 Q3	$538	Hold	7	–	–	﹤0.01%	1197
2023 Q2	$623	Hold	7	–	–	﹤0.01%	1200
2023 Q1	$482	Hold	7	–	–	﹤0.01%	1238
2022 Q4	$541	Buy	+7	New	+$547	﹤0.01%	1230

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 $3.38T AUM 44.17% 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

North Star Investment Management's CSGP Position: Q2 2026 in Review

North Star Investment Management opened a new position in CoStar Group (CSGP) in Q2 2026: 56 shares worth $1.59K. The stake represents ﹤0.01% of the portfolio and ranks #1460 among its holdings. This is a return to the name: North Star Investment Management previously reported a position in CSGP as recently as Q4 2025.

North Star Investment Management first reported a position in CSGP in Q4 2022 and has held it in 6 quarters since. The position peaked at $2.89K in Q4 2025. 760 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

North Star Investment Management held 56 shares of CoStar Group worth $1.59K as of Q2 2026.
CoStar Group was a new North Star Investment Management position in Q2 2026.
CoStar Group made up ﹤0.01% of North Star Investment Management's portfolio in Q2 2026, its #1460 holding.
North Star Investment Management first reported a position in CoStar Group in Q4 2022 and has held it in 6 quarters since.
North Star Investment Management's CoStar Group position peaked at $2.89K in Q4 2025.
760 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on North Star Investment Management's 13F filing for Q2 2026, filed 28 Jul 2026.