COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q2 2025
Shares 74,545 Value ($000) $5,993 Avg Close $77.90 Range $71.21 - $83.68
Q1 2025
Shares 75,081 Value ($000) $5,949 Avg Close $76.08 Range $68.41 - $83.03
Q4 2024
Shares 75,081 Value ($000) $5,375 Avg Close $75.52 Range $68.26 - $82.49
Q3 2024
Shares 1,365,508 Value ($000) $103,014 Avg Close $75.84 Range $70.86 - $81.63
Q2 2024
Shares 1,719,913 Value ($000) $127,514 Avg Close $84.75 Range $71.90 - $96.98
Q1 2024
Shares 1,647,389 Value ($000) $159,138 Avg Close $86.08 Range $79.82 - $100.38
Q4 2023
Shares 1,398,896 Value ($000) $122,249 Avg Close $80.94 Range $67.35 - $89.11
Q3 2023
Shares 667,521 Value ($000) $51,326 Avg Close $82.85 Range $75.78 - $92.30
Q2 2023
Shares 863,471 Value ($000) $76,849 Avg Close $77.21 Range $67.22 - $92.36
Q1 2023
Shares 881,777 Value ($000) $60,710 Avg Close $73.79 Range $65.12 - $81.15
Q4 2022
Shares 768,057 Value ($000) $59,355 Avg Close $78.14 Range $68.86 - $85.37
Q3 2022
Shares 748,123 Value ($000) $52,106 Avg Close $69.42 Range $57.54 - $79.26
Q2 2022
Shares 74,500 Value ($000) $4,501 Avg Close $60.57 Range $53.51 - $68.39
Q1 2022
Shares 74,500 Value ($000) $4,962 Avg Close $66.39 Range $49.00 - $79.73
Q4 2021
Shares 74,500 Value ($000) $5,888 Avg Close $83.91 Range $75.09 - $101.05
Q3 2021
Shares 74,500 Value ($000) $6,411 Avg Close $86.44 Range $80.00 - $90.85
Q2 2021
Shares 74,850 Value ($000) $6,199 Avg Close $86.45 Range $80.52 - $94.35
Q1 2021
Shares 79,077 Value ($000) $64,993 Avg Close $86.33 Range $74.31 - $95.28
Q4 2020
Shares 77,851 Value ($000) $71,956 Avg Close $87.68 Range $78.10 - $95.12
Q3 2020
Shares 81,259 Value ($000) $68,949 Avg Close $79.70 Range $66.20 - $93.90
Q2 2020
Shares 103,787 Value ($000) $73,758 Avg Close $64.65 Range $52.02 - $74.71
Q1 2020
Shares 104,934 Value ($000) $61,618 Avg Close $65.18 Range $50.02 - $74.67
Q4 2019
Shares 50,096 Value ($000) $29,972 Avg Close $58.38 Range $51.00 - $62.35
Q3 2019
Shares 57,752 Value ($000) $34,258 Avg Close $59.86 Range $55.57 - $63.94
Q2 2019
Shares 81,494 Value ($000) $45,153 Avg Close $51.11 Range $46.90 - $56.27
Q1 2019
Shares 86,459 Value ($000) $40,326 Avg Close $41.31 Range $32.51 - $48.49
Q4 2018
Shares 87,644 Value ($000) $29,566 Avg Close $36.53 Range $31.59 - $42.50
Q3 2018
Shares 86,887 Value ($000) $36,566 Avg Close $42.74 Range $39.71 - $44.84
Q2 2018
Shares 157,617 Value ($000) $65,038 Avg Close $38.48 Range $34.22 - $42.25
Q1 2018
Shares 262,744 Value ($000) $95,292 Avg Close $34.47 Range $29.54 - $37.86
Q4 2017
Shares 288,603 Value ($000) $85,701 Avg Close $29.30 Range $26.56 - $31.47
Q3 2017
Shares 296,272 Value ($000) $79,475 Avg Close $27.75 Range $25.54 - $28.80
Q2 2017
Shares 303,156 Value ($000) $79,912 Avg Close $24.32 Range $20.14 - $26.88
Q1 2017
Shares 309,258 Value ($000) $64,084 Avg Close $20.32 Range $18.49 - $21.24
Q4 2016
Shares 323,036 Value ($000) $60,889 Avg Close $19.64 Range $17.92 - $22.44
Q3 2016
Shares 389,832 Value ($000) $84,410 Avg Close $21.29 Range $20.25 - $22.48
Q2 2016
Shares 426,121 Value ($000) $93,176 Avg Close $19.77 Range $17.45 - $21.88
Q1 2016
Shares 439,420 Value ($000) $82,686 Avg Close $17.71 Range $14.65 - $20.50
Q4 2015
Shares 472,847 Value ($000) $97,733 Avg Close $19.90 Range $16.80 - $21.35
Q3 2015
Shares 475,321 Value ($000) $82,259 Avg Close $19.15 Range $16.35 - $22.35
Q2 2015
Shares 402,211 Value ($000) $80,949 Avg Close $20.39 Range $19.23 - $21.67
Q1 2015
Shares 433,874 Value ($000) $85,833 Avg Close $18.88 Range $16.88 - $20.19
Q4 2014
Shares 274,972 Value ($000) $50,493 Avg Close $16.16 Range $13.44 - $18.96
Q3 2014
Shares 121,667 Value ($000) $18,924 Avg Close $14.90 Range $13.85 - $16.58
Q2 2014
Shares 124,727 Value ($000) $19,728 Avg Close $16.20 Range $14.70 - $19.34
Q1 2014
Shares 173,902 Value ($000) $32,474 Avg Close $18.86 Range $16.38 - $21.82
Q4 2013
Shares 176,792 Value ($000) $32,632 Avg Close $17.69 Range $16.07 - $18.84
Q3 2013
Shares 214,517 Value ($000) $36,020 Avg Close $15.34 Range $12.98 - $17.22
Q2 2013
Shares 295,967 Value ($000) $38,200 Avg Close $11.32 Range $10.46 - $13.07