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CoStar Group, Inc.

CSGP Real Estate
$30.46 +$0.97 (3.29%)
Market Cap: $12.34 B
Gurus Holding
9
Popularity Rank
#613
% of Shares Held
5.13%
Net Activity (Q2 2026)
+$166.67 M

Guru Ownership Trend

Guru Analysis for CoStar Group, Inc. (CSGP)

CoStar Group, Inc. (CSGP), a key player in the Real Estate sector, continues to attract institutional attention.

As of Q1 2026, a total of 9 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $633.42 M.

Top institutional holders include Chuck Akre and Cliff Asness.

Notably, Chuck Akre has expressed high conviction in this stock, allocating 6.80% of their equity portfolio to it.

Institutional sentiment is currently Strongly Bullish. This is evidenced by a $166.67 M net inflow during the quarter.

Recent activity highlights Jefferies Group who dramatically increased their stake. Conversely, Wallace Weitz reduced exposure by 18.2%.

Key Holders

Top 5 by Value

$417.45 M
$239.18 M
$18.01 M
$17.77 M
$11.98 M

Top 5 by Conviction

Recent Activity Breakdown (Q2 2026)

+$229.84 M
Total Buy Value
New Buys 2
Additions 5
-$63.17 M
Total Sell Value
Reductions 1
Sold Out 1

Guru Consensus (Q2 2026)

Based on recent activity
Net Sellers
2
Net Buyers
7

FAQs for CoStar Group, Inc. (CSGP)

Major holders include Chuck Akre ($417.45 M), Cliff Asness ($239.18 M), Joel Greenblatt ($18.01 M). According to the latest reported data, 9 tracked investment managers collectively hold approximately 20.8 M shares.

According to the latest 13F reporting period, sentiment appears Bullish (Net Buying). There was a net inflow of $166.67 M, with 7 managers increasing positions and 2 managers reducing holdings.

During the most recent reporting period, 1 managers trimmed their positions, while 1 fully exited CSGP. The total reported sell value was $63.17 M.

Yes, 2 managers opened new positions in CSGP, and 5 increased their existing holdings. The total reported buy value was $229.84 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
6.80% Add 7.6% 10,348,273 $417.45 M Q1 2026
0.08% Add 568.8% 8,445,474 $239.18 M Q2 2026
0.04% Add 42.3% 635,988 $18.01 M Q2 2026
0.02% Add 250.0% 627,490 $17.77 M Q2 2026
0.83% Reduce -18.2% 423,181 $11.98 M Q2 2026
0.03% Add 1347.4% 148,731 $4.21 M Q2 2026
0.00% New Buy 130,616 $3.7 M Q2 2026
0.00% New Buy 24,564 $695,652 Q2 2026
0.22% Add 25.6% 10,745 $304,298 Q2 2026
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Transaction
Value
Shares
Position / Chg
SEC Form