Investment Management Corp of Ontario (IMCO)’s CoStar Group CSGP Stock Holding History

Investment Management Corp of Ontario (IMCO)’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	$1.23M	Sell	30,369 -8,474	-22%	-$441K	0.02%	526
2025 Q4	$2.61M	Buy	38,843 +19,023	+96%	+$1.35M	0.03%	381
2025 Q3	$1.67M	Buy	19,820 +6,443	+48%	+$569K	0.03%	370
2025 Q2	$1.08M	Buy	13,377 +1,483	+12%	+$116K	0.02%	402
2025 Q1	$942K	Sell	11,894 -13,238	-53%	-$1.01M	0.02%	416
2024 Q4	$1.8M	Buy	25,132 +11,638	+86%	+$879K	0.06%	180
2024 Q3	$1.02M	Buy	13,494 +4,400	+48%	+$334K	0.02%	399
2024 Q2	$674K	Buy	9,094 +2,500	+38%	+$212K	0.02%	396
2024 Q1	$637K	Sell	6,594 -2,900	-31%	-$250K	0.02%	383
2023 Q4	$830K	Buy	+9,494	New	+$768K	0.02%	380

Other funds holding CSGP

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

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

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

Investment Management Corp of Ontario (IMCO)'s CSGP Position: Q1 2026 in Review

Investment Management Corp of Ontario (IMCO) reduced its CoStar Group (CSGP) stake by 22% in Q1 2026, selling an estimated $441K and leaving 30,369 shares worth $1.23M. The position accounts for 0.02% of the portfolio, ranked #526.

Investment Management Corp of Ontario (IMCO) first reported a position in CSGP in Q4 2023 and has held it in 10 quarters since. The position peaked at $2.61M in Q4 2025. 795 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Investment Management Corp of Ontario (IMCO) held 30,369 shares of CoStar Group worth $1.23M as of Q1 2026.
Investment Management Corp of Ontario (IMCO) sold 8,474 CoStar Group shares in Q1 2026, an estimated $441K.
CoStar Group made up 0.02% of Investment Management Corp of Ontario (IMCO)'s portfolio in Q1 2026, its #526 holding.
Investment Management Corp of Ontario (IMCO) first reported a position in CoStar Group in Q4 2023 and has held it in 10 quarters since.
Investment Management Corp of Ontario (IMCO)'s CoStar Group position peaked at $2.61M in Q4 2025.
795 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Investment Management Corp of Ontario (IMCO)'s 13F filing for Q1 2026, filed 15 May 2026.