ur-31174

Costar Group Inc

Latest period2026 - Q1Total superinvestors7

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 7 superinvestors own shares of Costar Group Inc (ur-31174), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Costar Group Inc (ur-31174), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Costar Group Inc (ur-31174) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Costar Group Inc (ur-31174) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Kyle Tondo-Kramer@Group One Trading Llc
Recent Activity
Decreased -26.84%
0.03%
$10.892M Call
270,000 shares@ 40.34 avg price
Laura Taylor@Imc-chicago, Llc
Recent Activity
Increased 76.14%
0.01%
$7.205M Call
178,600 shares@ 40.34 avg price
Dennis Kerlin@Simplex Trading, Llc
Recent Activity
Decreased -46%
0.01%
$3.869M Call
95,900 shares@ 40.34 avg price
Michael T. Lees@Jpmorgan Chase & Co
Recent Activity
New Position
0.01%
$339,304 Call
8,300 shares@ 40.88 avg price
Phil Giovannetti@Landmark Investment Partners, L.p.
Recent Activity
New Position
8.8%
$12.251M Call
3,037 shares@ 4034.0 avg price
Aryn Sands@Baer Investment Advisory Llc
Recent Activity
New Position
1.2%
$1.194M Call
1,421 shares@ 840.57 avg price
Tatiana Grecco@Itau Unibanco Holding S.a.
Recent Activity
New Position
0.01%
$49,471 Call
364 shares@ 135.91 avg price

1-7 of 7