Ostrum Asset Management’s CoStar Group CSGP Stock Holding History

Ostrum Asset 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 Q1	$192K	Buy	4,771 +70	+1%	+$3.64K	0.01%	523
2025 Q4	$316K	Sell	4,701 -1,558	-25%	-$110K	0.02%	419
2025 Q3	$528K	Sell	6,259 -194	-3%	-$17.1K	0.02%	399
2025 Q2	$519K	Sell	6,453 -1,522	-19%	-$119K	0.02%	402
2025 Q1	$632K	Sell	7,975 -16,825	-68%	-$1.28M	0.03%	377
2024 Q4	$1.78M	Buy	24,800 +18,274	+280%	+$1.38M	0.15%	215
2024 Q3	$492K	Sell	6,526 -5,216	-44%	-$396K	0.04%	400
2024 Q2	$871K	Sell	11,742 -5,496	-32%	-$466K	0.08%	316
2024 Q1	$1.67M	Buy	17,238 +1,240	+8%	+$107K	0.13%	258
2023 Q4	$1.4M	Buy	15,998 +1,599	+11%	+$129K	0.12%	252
2023 Q3	$1.11M	Buy	14,399 +7,722	+116%	+$640K	0.1%	287
2023 Q2	$594K	Buy	6,677 +5	+0.1%	+$386	0.05%	408
2023 Q1	$459K	Buy	+6,672	New	+$492K	0.04%	438

Other funds holding CSGP

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Principal Financial Group

Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Capital International Investors

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Baillie Gifford & Co

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

Polen Capital Management

Polen Capital Management Boca Raton, Florida $14.5B AUM 5.7% 1-Year Est. Return

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return