Flagship Harbor Advisors’s CoStar Group CSGP Stock Holding History

Flagship Harbor Advisors’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	–	Sell	-100	Closed	-$6.72K	–	1016
2025 Q4	$6.72K	Buy	+100	New	+$7.08K	﹤0.01%	1600
2020 Q4	–	Sell	-370	Closed	-$31K	–	777
2020 Q3	$31K	Hold	370	–	–	﹤0.01%	1004
2020 Q2	$26K	Buy	370 +230	+164%	+$14.9K	﹤0.01%	1053
2020 Q1	$8K	Hold	140	–	–	﹤0.01%	1287
2019 Q4	$8K	Buy	140 +40	+40%	+$2.33K	﹤0.01%	1391
2019 Q3	$5K	Hold	100	–	–	﹤0.01%	1475
2019 Q2	$5K	Hold	100	–	–	﹤0.01%	1483
2019 Q1	$4K	Hold	100	–	–	﹤0.01%	1527
2018 Q4	$3K	Hold	100	–	–	﹤0.01%	1549
2018 Q3	$4K	Hold	100	–	–	﹤0.01%	1735
2018 Q2	$4K	Buy	+100	New	+$3.85K	﹤0.01%	1684

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

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

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 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

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

Flagship Harbor Advisors's CSGP Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of CoStar Group (CSGP) in Q1 2026, closing a stake of 100 shares — an estimated $6.72K sold.

Flagship Harbor Advisors first reported a position in CSGP in Q2 2018 and held it in 11 quarters. The position peaked at $31K in Q3 2020. 797 funds tracked by Wall St. Rank hold CSGP as of Q1 2026.

Flagship Harbor Advisors reported no remaining CoStar Group position as of Q1 2026 after selling out during the quarter.
Flagship Harbor Advisors sold 100 CoStar Group shares in Q1 2026, an estimated $6.72K.
Flagship Harbor Advisors first reported a position in CoStar Group in Q2 2018 and held it in 11 quarters.
Flagship Harbor Advisors's CoStar Group position peaked at $31K in Q3 2020.
797 funds tracked by Wall St. Rank held CoStar Group as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.