OMERS Administration Corp’s CoStar Group CSGP Stock Holding History

OMERS Administration Corp’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	$872K	Buy	21,618 +4,531	+27%	+$236K	0.01%	681
2025 Q4	$1.15M	Hold	17,087	–	–	0.01%	503
2025 Q3	$1.44M	Sell	17,087 -18,906	-53%	-$1.67M	0.01%	487
2025 Q2	$2.89M	Hold	35,993	–	–	0.02%	258
2025 Q1	$2.85M	Buy	35,993 +5,206	+17%	+$396K	0.03%	265
2024 Q4	$2.2M	Sell	30,787 -5,994	-16%	-$453K	0.02%	306
2024 Q3	$2.77M	Hold	36,781	–	–	0.03%	286
2024 Q2	$2.73M	Buy	+36,781	New	+$3.12M	0.03%	283
2019 Q2	–	Sell	-56,000	Closed	-$2.71M	–	409
2019 Q1	$2.71M	Buy	+56,000	New	+$2.31M	0.03%	123
2017 Q4	–	Sell	-36,000	Closed	-$966K	–	417
2017 Q3	$966K	Buy	+36,000	New	+$999K	0.01%	287
2015 Q3	–	Sell	-14,000	Closed	-$282K	–	416
2015 Q2	$282K	Hold	14,000	–	–	0.01%	387
2015 Q1	$277K	Hold	14,000	–	–	0.01%	363
2014 Q4	$257K	Buy	+14,000	New	+$226K	0.01%	378

Other funds holding CSGP

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

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

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 $97.9B AUM 20.73% 1-Year Est. Return

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

OMERS Administration Corp's CSGP Position: Q1 2026 in Review

OMERS Administration Corp increased its CoStar Group (CSGP) stake by 27% in Q1 2026, buying an estimated $236K and bringing the position to 21,618 shares worth $872K. The position accounts for 0.01% of the portfolio, ranked #681.

OMERS Administration Corp first reported a position in CSGP in Q4 2014 and has held it in 13 quarters since. The position peaked at $2.89M in Q2 2025. 792 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

OMERS Administration Corp held 21,618 shares of CoStar Group worth $872K as of Q1 2026.
OMERS Administration Corp bought 4,531 CoStar Group shares in Q1 2026, an estimated $236K.
CoStar Group made up 0.01% of OMERS Administration Corp's portfolio in Q1 2026, its #681 holding.
OMERS Administration Corp first reported a position in CoStar Group in Q4 2014 and has held it in 13 quarters since.
OMERS Administration Corp's CoStar Group position peaked at $2.89M in Q2 2025.
792 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on OMERS Administration Corp's 13F filing for Q1 2026, filed 15 May 2026.