MH
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Mark Hillman’s CoStar Group CSGP Stock Holding History

Mark Hillman’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 		$304K Buy
10,745
+2,188
+26% +$75.3K 0.22% 52
2026
Q1 		$345K Buy
+8,557
New +$445K 0.24% 47

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

Mark Hillman's CSGP Position: Q2 2026 in Review

Mark Hillman increased its CoStar Group (CSGP) stake by 26% in Q2 2026, buying an estimated $75.3K and bringing the position to 10,745 shares worth $304K. The position accounts for 0.22% of the portfolio, ranked #52.

Mark Hillman first reported a position in CSGP in Q1 2026 and has held it in 2 quarters since. The position peaked at $345K in Q1 2026. 754 funds tracked by Wall St. Rank hold CSGP as of Q2 2026.

  • Mark Hillman held 10,745 shares of CoStar Group worth $304K as of Q2 2026.
  • Mark Hillman bought 2,188 CoStar Group shares in Q2 2026, an estimated $75.3K.
  • CoStar Group made up 0.22% of Mark Hillman's portfolio in Q2 2026, its #52 holding.
  • Mark Hillman first reported a position in CoStar Group in Q1 2026 and has held it in 2 quarters since.
  • Mark Hillman's CoStar Group position peaked at $345K in Q1 2026.
  • 754 funds tracked by Wall St. Rank held CoStar Group as of Q2 2026.

Based on Hillman Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.