CoStar Group Inc

Buys/Adds (1)

• AQ

  AQR

  Q2 2026 13F

  $188.2M

  added

  Signals like this: n=13773, 53% finished lower at D15, median -0.4% vs SPY -0.4%

Sells/Trims (2)

• DS

  D.E. Shaw

  Q2 2026 13F

  $208.8M

  trimmed

  Signals like this: n=7469, 53% finished lower at D15, median -0.5% vs SPY -0.4%
• VG

  Viking Global

  Andreas Halvorsen · Q2 2026 13F

  $97.0M

  sold

  Signals like this: n=2239, 53% finished lower at D15, median -0.4% vs SPY -0.4%

Buys (1)

• FA

  Florance Andrew C

  Founder and CEO · Aug 5

  $2.5M

  bought

  Signals like this: n=173, 53% finished lower at D15, median -1.6% vs SPY +0.4%

Sells (2)

• CC

  Cann Cynthia Cammett

  Chief Accounting Officer · Cluster · Aug 10

  $147K

  sold

  Signals like this: n=8102, 50% finished lower at D15, median -0.1% vs SPY +0.6%
• HJ

  Hill John W

  Dir · Cluster · Aug 10

  $106K

  sold