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CSGP
NASDAQ Real Estate & Construction

Supreme Court Rejects CoStar Appeal, Paving Way for Rival's Antitrust Lawsuit

Reported by Reuters
Sentiment info
Negative
Importance info
8
Price
$42.855
Mkt Cap
$17.99B
52W Low
$41.79
52W High
$97.43
Market data snapshot near publication time

Summary

The U.S. Supreme Court has declined to hear CoStar Group's appeal, allowing a rival's antitrust claims to proceed in lower courts. This decision exposes CoStar to potential significant damages from Commercial Real Estate Exchange (CREXi), which alleges CoStar violated antitrust law by locking brokers into its platforms and blocking rivals. This legal development adds to recent investor scrutiny, following D.E. Shaw Group's public disappointment with the company and CoStar's stock trading near its 52-week low. The ongoing litigation introduces considerable legal and financial uncertainty for CoStar, potentially impacting its business practices and future profitability. Investors will closely monitor the progress and outcome of this antitrust lawsuit.

At the time of this announcement, CSGP was trading at $42.86 on NASDAQ in the Real Estate & Construction sector, with a market capitalization of approximately $18B. The 52-week trading range was $41.79 to $97.43. This news item was assessed with negative market sentiment and an importance score of 8 out of 10. Source: Reuters.


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CSGP - Latest Insights

CSGP
May 29, 2026, 8:05 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $32.33
Real-time Price: $33.60 info
Change: +$1.27 (+4%) info
Market Cap: $13.978B info
CSGP
May 29, 2026, 8:00 AM EDT
Source: Dow Jones Newswires
Importance Score:
8
Price at Filing: $32.33
Real-time Price: $33.60 info
Change: +$1.27 (+4%) info
Market Cap: $13.978B info
CSGP
May 28, 2026, 5:38 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $32.45
Real-time Price: $33.60 info
Change: +$1.15 (+4%) info
Market Cap: $13.978B info
CSGP
May 18, 2026, 8:30 AM EDT
Filing Type: DEFA14A
Importance Score:
8
Price at Filing: $33.00
Real-time Price: $33.60 info
Change: +$0.600 (+2%) info
Market Cap: $13.978B info
CSGP
May 04, 2026, 6:01 AM EDT
Filing Type: 4
Importance Score:
7
Price at Filing: $34.66
Real-time Price: $33.60 info
Change: -$1.06 (-3%) info
Market Cap: $13.978B info
CSGP
Apr 28, 2026, 4:43 PM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $34.74
Real-time Price: $33.60 info
Change: -$1.14 (-3%) info
Market Cap: $13.978B info
CSGP
Apr 28, 2026, 4:20 PM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $34.65
Real-time Price: $33.60 info
Change: -$1.05 (-3%) info
Market Cap: $13.978B info
CSGP
Apr 28, 2026, 4:05 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $34.48
Real-time Price: $33.60 info
Change: -$0.880 (-3%) info
Market Cap: $13.978B info
CSGP
Apr 10, 2026, 10:31 PM EDT
Source: Reuters
Importance Score:
9
Price at Filing: $36.69
Real-time Price: $33.60 info
Change: -$3.09 (-8%) info
Market Cap: $13.978B info
CSGP
Apr 09, 2026, 9:13 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $39.00
Real-time Price: $33.60 info
Change: -$5.40 (-14%) info
Market Cap: $13.978B info