COSTAR GROUP INC

Ticker: CSGP CUSIP: 22160N109 Class: EQTY

Harbor Advisors LLC's Holding History (CIK: 0001687156)

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

Q4 2025
Shares 26,560 Value ($000) $1,786 Avg Close $70.84 Range $62.00 - $85.24
Q3 2025
Shares 22,560 Value ($000) $1,903 Avg Close $88.37 Range $79.94 - $97.43
Q2 2025
Shares 22,560 Value ($000) $1,814 Avg Close $77.90 Range $71.21 - $83.68
Q1 2025
Shares 22,560 Value ($000) $1,787 Avg Close $76.08 Range $68.41 - $83.03
Q4 2024
Shares 22,560 Value ($000) $1,615 Avg Close $75.52 Range $68.26 - $82.49
Q3 2024
Shares 20,060 Value ($000) $1,513 Avg Close $75.84 Range $70.86 - $81.63
Q2 2024
Shares 17,060 Value ($000) $1,265 Avg Close $84.75 Range $71.90 - $96.98
Q1 2024
Shares 17,060 Value ($000) $1,648 Avg Close $86.08 Range $79.82 - $100.38
Q4 2023
Shares 17,060 Value ($000) $1,491 Avg Close $80.94 Range $67.35 - $89.11
Q3 2023
Shares 10,060 Value ($000) $774 Avg Close $82.85 Range $75.78 - $92.30
Q2 2023
Shares 10,060 Value ($000) $895 Avg Close $77.21 Range $67.22 - $92.36
Q1 2023
Shares 10,060 Value ($000) $693 Avg Close $73.79 Range $65.12 - $81.15
Q4 2022
Shares 10,060 Value ($000) $777 Avg Close $78.14 Range $68.86 - $85.37
Q3 2022
Shares 10,060 Value ($000) $701 Avg Close $69.42 Range $57.54 - $79.26
Q2 2022
Shares 10,060 Value ($000) $608 Avg Close $60.57 Range $53.51 - $68.39
Q1 2022
Shares 10,060 Value ($000) $670 Avg Close $66.39 Range $49.00 - $79.73
Q4 2021
Shares 10,060 Value ($000) $795 Avg Close $83.91 Range $75.09 - $101.05
Q3 2021
Shares 10,060 Value ($000) $866 Avg Close $86.44 Range $80.00 - $90.85
Q2 2021
Shares 10,060 Value ($000) $833 Avg Close $86.45 Range $80.52 - $94.35
Q1 2021
Shares 1,006 Value ($000) $827 Avg Close $86.33 Range $74.31 - $95.28
Q4 2020
Shares 1,006 Value ($000) $930 Avg Close $87.68 Range $78.10 - $95.12
Q3 2020
Shares 1,006 Value ($000) $854 Avg Close $79.70 Range $66.20 - $93.90
Q2 2020
Shares 1,006 Value ($000) $715 Avg Close $64.65 Range $52.02 - $74.71
Q1 2020
Shares 1,006 Value ($000) $591 Avg Close $65.18 Range $50.02 - $74.67
Q4 2019
Shares 1,006 Value ($000) $602 Avg Close $58.38 Range $51.00 - $62.35
Q3 2019
Shares 1,006 Value ($000) $597 Avg Close $59.86 Range $55.57 - $63.94
Q2 2019
Shares 1,006 Value ($000) $557 Avg Close $51.11 Range $46.90 - $56.27
Q1 2019
Shares 806 Value ($000) $376 Avg Close $41.31 Range $32.51 - $48.49
Q4 2018
Shares 806 Value ($000) $272 Avg Close $36.53 Range $31.59 - $42.50
Q3 2018
Shares 806 Value ($000) $339 Avg Close $42.74 Range $39.71 - $44.84
Q2 2018
Shares 806 Value ($000) $333 Avg Close $38.48 Range $34.22 - $42.25
Q1 2018
Shares 806 Value ($000) $292 Avg Close $34.47 Range $29.54 - $37.86