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Westerkirk Capital’s CoStar Group CSGP Stock Holding History

Westerkirk Capital’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 		$357K Hold
12,600
– – 0.03% 171
2026
Q1 		$508K Hold
12,600
– – 0.05% 145
2025
Q4 		$847K Buy
12,600
+900
+8% +$63.8K 0.08% 119
2025
Q3 		$987K Hold
11,700
– – 0.11% 144
2025
Q2 		$941K Buy
+11,700
New +$911K 0.12% 149

Other funds holding CSGP

Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Geode Capital Management
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
Polen Capital Management Boca Raton, Florida $11.6B AUM 8.03% 1-Year Est. Return

Westerkirk Capital's CSGP Position: Q2 2026 in Review

Westerkirk Capital held its CoStar Group (CSGP) position steady in Q2 2026 at 12,600 shares worth $357K. The position accounts for 0.03% of the portfolio, ranked #171.

Westerkirk Capital first reported a position in CSGP in Q2 2025 and has held it in 5 quarters since. The position peaked at $987K in Q3 2025. 759 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Westerkirk Capital held 12,600 shares of CoStar Group worth $357K as of Q2 2026.
  • Westerkirk Capital left its CoStar Group share count unchanged in Q2 2026.
  • CoStar Group made up 0.03% of Westerkirk Capital's portfolio in Q2 2026, its #171 holding.
  • Westerkirk Capital first reported a position in CoStar Group in Q2 2025 and has held it in 5 quarters since.
  • Westerkirk Capital's CoStar Group position peaked at $987K in Q3 2025.
  • 759 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Westerkirk Capital's 13F filing for Q2 2026, filed 10 Aug 2026.