Douglas Lane & Associates’s CoStar Group CSGP Stock Holding History

Douglas Lane & Associates’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 Q3	$54.3M	Buy	1,980,027 +811,168	+69%	+$24.4M	0.73%	50
2026 Q2	$33.1M	Buy	1,168,859 +365,020	+45%	+$12.6M	0.45%	80
2026 Q1	$32.4M	Buy	803,839 +120,778	+18%	+$6.29M	0.47%	84
2025 Q4	$45.9M	Buy	683,061 +28,279	+4%	+$2M	0.63%	66
2025 Q3	$55.2M	Buy	654,782 +70,471	+12%	+$6.23M	0.77%	48
2025 Q2	$47M	Buy	584,311 +27,560	+5%	+$2.15M	0.68%	61
2025 Q1	$44.1M	Buy	556,751 +173,367	+45%	+$13.2M	0.65%	63
2024 Q4	$27.4M	Buy	+383,384	New	+$29M	0.39%	95

Other funds holding CSGP

SEEDPG

S.E.E.D. Planning Group Binghamton, New York $408M AUM 7.99% 1-Year Est. Return

BFA

Buttonwood Financial Advisors Baltimore, Maryland $331M AUM 17.52% 1-Year Est. Return

CNB

Czech National Bank Prague, Czech Republic $18.9B AUM 36.24% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

RSC

Red Spruce Capital Berwyn, Pennsylvania $283M AUM 29.49% 1-Year Est. Return

FCBT

First Citizens Bank & Trust Raleigh, North Carolina $6.73B AUM 18.92% 1-Year Est. Return

Chicago Capital Chicago, Illinois $4.32B AUM 31.14% 1-Year Est. Return

Krilogy Financial St. Louis, Missouri $3.66B AUM 22.28% 1-Year Est. Return

GAMMA Investing Foster City, California $2.96B AUM 34.38% 1-Year Est. Return

Lincoln Capital Lincoln, Nebraska $570M AUM 10.88% 1-Year Est. Return

Douglas Lane & Associates's CSGP Position: Q3 2026 in Review

Douglas Lane & Associates increased its CoStar Group (CSGP) stake by 69% in Q3 2026, buying an estimated $24.4M and bringing the position to 1,980,027 shares worth $54.3M. The position accounts for 0.73% of the portfolio, ranked #50.

Douglas Lane & Associates first reported a position in CSGP in Q4 2024 and has held it in 8 quarters since. The position peaked at $55.2M in Q3 2025. 36 funds tracked by Wall St. Rank hold CSGP as of Q3 2026.

Douglas Lane & Associates held 1,980,027 shares of CoStar Group worth $54.3M as of Q3 2026.
Douglas Lane & Associates bought 811,168 CoStar Group shares in Q3 2026, an estimated $24.4M.
CoStar Group made up 0.73% of Douglas Lane & Associates's portfolio in Q3 2026, its #50 holding.
Douglas Lane & Associates first reported a position in CoStar Group in Q4 2024 and has held it in 8 quarters since.
Douglas Lane & Associates's CoStar Group position peaked at $55.2M in Q3 2025.
36 funds tracked by Wall St. Rank held CoStar Group as of Q3 2026.

Based on Douglas Lane & Associates's 13F filing for Q3 2026, filed 9 Oct 2026.