Grantham, Mayo, Van Otterloo & Co (GMO)’s CoStar Group CSGP Stock Holding History

Grantham, Mayo, Van Otterloo & Co (GMO)’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	$696K	Buy	+24,564	New	+$845K	﹤0.01%	547
2025 Q3	–	Sell	-8,373	Closed	-$673K	–	617
2025 Q2	$673K	Sell	8,373 -431	-5%	-$33.6K	﹤0.01%	518
2025 Q1	$698K	Buy	+8,804	New	+$670K	﹤0.01%	500
2021 Q2	–	Sell	-5,000	Closed	-$411K	–	743
2021 Q1	$411K	Buy	+5,000	New	+$432K	﹤0.01%	731
2019 Q4	–	Sell	-29,390	Closed	-$1.74M	–	700
2019 Q3	$1.74M	Buy	+29,390	New	+$1.76M	0.01%	456

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

Grantham, Mayo, Van Otterloo & Co (GMO)'s CSGP Position: Q2 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) opened a new position in CoStar Group (CSGP) in Q2 2026: 24,564 shares worth $696K. The stake represents ﹤0.01% of the portfolio and ranks #547 among its holdings. This is a return to the name: Grantham, Mayo, Van Otterloo & Co (GMO) previously reported a position in CSGP as recently as Q2 2025.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in CSGP in Q3 2019 and has held it in 5 quarters since. The position peaked at $1.74M in Q3 2019. 758 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

Grantham, Mayo, Van Otterloo & Co (GMO) held 24,564 shares of CoStar Group worth $696K as of Q2 2026.
CoStar Group was a new Grantham, Mayo, Van Otterloo & Co (GMO) position in Q2 2026.
CoStar Group made up ﹤0.01% of Grantham, Mayo, Van Otterloo & Co (GMO)'s portfolio in Q2 2026, its #547 holding.
Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in CoStar Group in Q3 2019 and has held it in 5 quarters since.
Grantham, Mayo, Van Otterloo & Co (GMO)'s CoStar Group position peaked at $1.74M in Q3 2019.
758 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q2 2026, filed 13 Aug 2026.