COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

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

Q2 2025
Shares 5,789 Value ($000) $279 Avg Close $48.69 Range $42.42 - $59.17
Q1 2025
Shares 5,926 Value ($000) $363 Avg Close $69.28 Range $57.13 - $78.75
Q4 2024
Shares 6,051 Value ($000) $466 Avg Close $74.16 Range $68.55 - $80.31
Q3 2024
Shares 6,051 Value ($000) $459 Avg Close $63.26 Range $49.39 - $71.55
Q2 2024
Shares 6,051 Value ($000) $342 Avg Close $53.96 Range $46.40 - $59.71
Q1 2024
Shares 6,226 Value ($000) $407 Avg Close $64.78 Range $55.32 - $76.16
Q4 2023
Shares 6,226 Value ($000) $474 Avg Close $58.68 Range $51.06 - $67.91
Q3 2023
Shares 6,501 Value ($000) $402 Avg Close $56.65 Range $49.37 - $62.58
Q2 2023
Shares 6,751 Value ($000) $454 Avg Close $55.79 Range $51.89 - $63.61
Q1 2023
Shares 6,476 Value ($000) $413 Avg Close $53.95 Range $47.34 - $59.59
Q4 2022
Shares 6,601 Value ($000) $377 Avg Close $45.47 Range $38.44 - $49.77
Q3 2022
Shares 8,915 Value ($000) $465 Avg Close $47.03 Range $40.31 - $52.62
Q2 2022
Shares 8,915 Value ($000) $542 Avg Close $49.50 Range $44.69 - $57.61
Q1 2022
Shares 8,915 Value ($000) $603 Avg Close $50.68 Range $45.04 - $58.30
Q4 2021
Shares 9,115 Value ($000) $667 Avg Close $58.80 Range $54.37 - $63.01
Q3 2021
Shares 9,165 Value ($000) $649 Avg Close $57.54 Range $54.65 - $60.62
Q2 2021
Shares 9,090 Value ($000) $699 Avg Close $56.91 Range $51.11 - $61.32
Q1 2021
Shares 8,640 Value ($000) $604 Avg Close $46.19 Range $42.45 - $53.35
Q4 2020
Shares 8,640 Value ($000) $517 Avg Close $44.21 Range $39.55 - $48.39
Q3 2020
Shares 8,765 Value ($000) $526 Avg Close $53.91 Range $43.66 - $66.92
Q2 2020
Shares 10,225 Value ($000) $791 Avg Close $59.24 Range $53.63 - $67.78
Q1 2020
Shares 10,275 Value ($000) $842 Avg Close $54.80 Range $46.85 - $63.38
Q4 2019
Shares 15,350 Value ($000) $1,010 Avg Close $43.44 Range $38.28 - $48.23
Q3 2019
Shares 15,450 Value ($000) $851 Avg Close $42.42 Range $38.13 - $45.53
Q2 2019
Shares 15,225 Value ($000) $904 Avg Close $40.47 Range $37.32 - $43.54
Q1 2019
Shares 15,225 Value ($000) $826 Avg Close $34.25 Range $30.46 - $38.29
Q4 2018
Shares 15,375 Value ($000) $695 Avg Close $34.08 Range $29.38 - $39.03
Q3 2018
Shares 16,025 Value ($000) $894 Avg Close $36.52 Range $31.80 - $39.09
Q2 2018
Shares 16,000 Value ($000) $854 Avg Close $33.53 Range $28.42 - $38.12
Q1 2018
Shares 15,800 Value ($000) $686 Avg Close $29.20 Range $23.71 - $30.80
Q4 2017
Shares 16,625 Value ($000) $753 Avg Close $31.42 Range $27.83 - $36.00
Q3 2017
Shares 16,625 Value ($000) $813 Avg Close $28.92 Range $24.75 - $32.98