COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 2 Value ($000) $0 Avg Close $70.84 Range $62.00 - $85.24
Q3 2025
Shares 2 Value ($000) $0 Avg Close $88.37 Range $79.94 - $97.43
Q4 2023
Shares 45 Value ($000) $4 Avg Close $80.94 Range $67.35 - $89.11
Q3 2023
Shares 274 Value ($000) $21 Avg Close $82.85 Range $75.78 - $92.30
Q3 2020
Shares 276 Value ($000) $234 Avg Close $79.70 Range $66.20 - $93.90
Q3 2018
Shares 107 Value ($000) $45 Avg Close $42.74 Range $39.71 - $44.84
Q2 2018
Shares 10 Value ($000) $4 Avg Close $38.48 Range $34.22 - $42.25
Q2 2014
Shares 440 Value ($000) $70 Avg Close $16.20 Range $14.70 - $19.34
Q1 2014
Shares 107 Value ($000) $20 Avg Close $18.86 Range $16.38 - $21.82
Q4 2013
Shares 230 Value ($000) $42 Avg Close $17.69 Range $16.07 - $18.84