COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2025
Shares 345,803 Value ($000) $7,456 Avg Close $29.49 Range $15.94 - $45.64
Q3 2025
Shares 262,020 Value ($000) $10,048 Avg Close $41.02 Range $28.78 - $52.83
Q2 2025
Shares 164,679 Value ($000) $7,939 Avg Close $48.69 Range $42.42 - $59.17
Q1 2025
Shares 165,199 Value ($000) $10,128 Avg Close $69.28 Range $57.13 - $78.75
Q4 2024
Shares 170,256 Value ($000) $13,122 Avg Close $74.16 Range $68.55 - $80.31
Q3 2024
Shares 170,603 Value ($000) $12,952 Avg Close $63.26 Range $49.39 - $71.55
Q2 2024
Shares 173,122 Value ($000) $9,771 Avg Close $53.96 Range $46.40 - $59.71
Q1 2024
Shares 132,708 Value ($000) $8,670 Avg Close $64.78 Range $55.32 - $76.16
Q4 2023
Shares 111,915 Value ($000) $8,512 Avg Close $58.68 Range $51.06 - $67.91
Q3 2023
Shares 111,766 Value ($000) $6,918 Avg Close $56.65 Range $49.37 - $62.58
Q2 2023
Shares 112,879 Value ($000) $7,596 Avg Close $55.79 Range $51.89 - $63.61
Q1 2023
Shares 114,034 Value ($000) $7,266 Avg Close $53.95 Range $47.34 - $59.59
Q4 2022
Shares 124,343 Value ($000) $7,097 Avg Close $45.47 Range $38.44 - $49.77
Q3 2022
Shares 112,865 Value ($000) $5,887 Avg Close $47.03 Range $40.31 - $52.62
Q4 2020
Shares 147,955 Value ($000) $8,858 Avg Close $44.21 Range $39.55 - $48.39
Q3 2020
Shares 166,114 Value ($000) $9,975 Avg Close $53.91 Range $43.66 - $66.92
Q2 2020
Shares 179,993 Value ($000) $13,924 Avg Close $59.24 Range $53.63 - $67.78
Q1 2020
Shares 293,446 Value ($000) $24,054 Avg Close $54.80 Range $46.85 - $63.38
Q4 2019
Shares 501,468 Value ($000) $33,002 Avg Close $43.44 Range $38.28 - $48.23
Q3 2019
Shares 551,937 Value ($000) $30,412 Avg Close $42.42 Range $38.13 - $45.53
Q2 2019
Shares 591,097 Value ($000) $35,088 Avg Close $40.47 Range $37.32 - $43.54
Q1 2019
Shares 837,847 Value ($000) $45,453 Avg Close $34.25 Range $30.46 - $38.29
Q4 2018
Shares 894,404 Value ($000) $40,436 Avg Close $34.08 Range $29.38 - $39.03
Q3 2018
Shares 952,154 Value ($000) $53,130 Avg Close $36.52 Range $31.80 - $39.09
Q2 2018
Shares 1,175,729 Value ($000) $62,784 Avg Close $33.53 Range $28.42 - $38.12
Q1 2018
Shares 1,239,759 Value ($000) $53,806 Avg Close $29.20 Range $23.71 - $30.80
Q4 2017
Shares 1,256,479 Value ($000) $56,918 Avg Close $31.42 Range $27.83 - $36.00
Q3 2017
Shares 1,381,575 Value ($000) $67,559 Avg Close $28.92 Range $24.75 - $32.98
Q2 2017
Shares 2,581,398 Value ($000) $103,514 Avg Close $26.76 Range $24.58 - $29.07
Q1 2017
Shares 2,720,079 Value ($000) $117,099 Avg Close $26.58 Range $24.73 - $28.22
Q4 2016
Shares 2,855,908 Value ($000) $118,092 Avg Close $24.11 Range $21.53 - $26.92
Q3 2016
Shares 3,043,463 Value ($000) $112,030 Avg Close $24.16 Range $22.06 - $27.15
Q2 2016
Shares 3,839,602 Value ($000) $153,814 Avg Close $24.32 Range $22.65 - $26.11
Q1 2016
Shares 4,100,593 Value ($000) $160,046 Avg Close $21.23 Range $18.11 - $24.16
Q4 2015
Shares 3,914,620 Value ($000) $135,798 Avg Close $19.64 Range $15.90 - $22.21
Q3 2015
Shares 3,851,849 Value ($000) $104,616 Avg Close $17.72 Range $15.62 - $20.44
Q2 2015
Shares 3,700,880 Value ($000) $125,238 Avg Close $19.88 Range $18.21 - $21.34
Q1 2015
Shares 4,496,786 Value ($000) $158,871 Avg Close $21.41 Range $19.59 - $23.64
Q4 2014
Shares 4,570,012 Value ($000) $161,733 Avg Close $19.46 Range $17.19 - $21.00
Q3 2014
Shares 4,378,815 Value ($000) $147,172 Avg Close $19.66 Range $18.35 - $21.27
Q2 2014
Shares 4,466,964 Value ($000) $154,334 Avg Close $20.24 Range $18.87 - $21.66
Q1 2014
Shares 4,500,091 Value ($000) $159,888 Avg Close $22.15 Range $17.84 - $24.59
Q4 2013
Shares 4,457,850 Value ($000) $180,142 Avg Close $20.46 Range $17.72 - $23.32
Q3 2013
Shares 4,129,666 Value ($000) $133,182 Avg Close $17.12 Range $15.63 - $18.44
Q2 2013
Shares 4,136,672 Value ($000) $116,447 Avg Close $15.51 Range $14.03 - $16.52