COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025
Shares 177,655 Value ($000) $3,830 Avg Close $29.49 Range $15.94 - $45.64
Q3 2025
Shares 240,796 Value ($000) $9,235 Avg Close $41.02 Range $28.78 - $52.83
Q2 2025
Shares 236,520 Value ($000) $11,403 Avg Close $48.69 Range $42.42 - $59.17
Q1 2025
Shares 203,297 Value ($000) $12,464 Avg Close $69.28 Range $57.13 - $78.75
Q4 2024
Shares 208,773 Value ($000) $16,090 Avg Close $74.16 Range $68.55 - $80.31
Q3 2024
Shares 225,312 Value ($000) $17,106 Avg Close $63.26 Range $49.39 - $71.55
Q2 2024
Shares 301,499 Value ($000) $17,017 Avg Close $53.96 Range $46.40 - $59.71
Q1 2024
Shares 306,552 Value ($000) $20,027 Avg Close $64.78 Range $55.32 - $76.16
Q4 2023
Shares 372,679 Value ($000) $28,346 Avg Close $58.68 Range $51.06 - $67.91
Q3 2023
Shares 378,609 Value ($000) $23,436 Avg Close $56.65 Range $49.37 - $62.58
Q2 2023
Shares 381,460 Value ($000) $25,668 Avg Close $55.79 Range $51.89 - $63.61
Q1 2023
Shares 424,242 Value ($000) $27,033 Avg Close $53.95 Range $47.34 - $59.59
Q4 2022
Shares 446,619 Value ($000) $25,493 Avg Close $45.47 Range $38.44 - $49.77
Q3 2022
Shares 488,502 Value ($000) $25,480 Avg Close $47.03 Range $40.31 - $52.62
Q2 2022
Shares 425,289 Value ($000) $25,841 Avg Close $49.50 Range $44.69 - $57.61
Q1 2022
Shares 446,930 Value ($000) $29,654 Avg Close $50.68 Range $45.04 - $58.30
Q4 2021
Shares 447,556 Value ($000) $32,752 Avg Close $58.80 Range $54.37 - $63.01
Q3 2021
Shares 425,909 Value ($000) $30,171 Avg Close $57.54 Range $54.65 - $60.62
Q2 2021
Shares 340,358 Value ($000) $26,170 Avg Close $56.91 Range $51.11 - $61.32
Q1 2021
Shares 355,850 Value ($000) $24,468 Avg Close $46.19 Range $42.45 - $53.35
Q4 2020
Shares 277,763 Value ($000) $16,630 Avg Close $44.21 Range $39.55 - $48.39
Q3 2020
Shares 213,568 Value ($000) $12,825 Avg Close $53.91 Range $43.66 - $66.92
Q2 2020
Shares 160,378 Value ($000) $12,407 Avg Close $59.24 Range $53.63 - $67.78
Q1 2020
Shares 153,891 Value ($000) $12,614 Avg Close $54.80 Range $46.85 - $63.38
Q4 2019
Shares 179,124 Value ($000) $11,788 Avg Close $43.44 Range $38.28 - $48.23
Q3 2019
Shares 176,272 Value ($000) $9,713 Avg Close $42.42 Range $38.13 - $45.53
Q2 2019
Shares 179,126 Value ($000) $10,633 Avg Close $40.47 Range $37.32 - $43.54
Q1 2019
Shares 181,235 Value ($000) $9,832 Avg Close $34.25 Range $30.46 - $38.29
Q4 2018
Shares 176,811 Value ($000) $7,994 Avg Close $34.08 Range $29.38 - $39.03
Q3 2018
Shares 174,443 Value ($000) $9,734 Avg Close $36.52 Range $31.80 - $39.09
Q2 2018
Shares 174,543 Value ($000) $9,321 Avg Close $33.53 Range $28.42 - $38.12
Q1 2018
Shares 165,590 Value ($000) $7,187 Avg Close $29.20 Range $23.71 - $30.80
Q4 2017
Shares 163,355 Value ($000) $7,400 Avg Close $31.42 Range $27.83 - $36.00
Q3 2017
Shares 167,773 Value ($000) $8,204 Avg Close $28.92 Range $24.75 - $32.98
Q2 2017
Shares 152,985 Value ($000) $6,135 Avg Close $26.76 Range $24.58 - $29.07
Q1 2017
Shares 151,222 Value ($000) $6,268 Avg Close $26.58 Range $24.73 - $28.22
Q4 2016
Shares 149,397 Value ($000) $6,178 Avg Close $24.11 Range $21.53 - $26.92
Q3 2016
Shares 156,847 Value ($000) $5,774 Avg Close $24.16 Range $22.06 - $27.15
Q2 2016
Shares 145,285 Value ($000) $5,820 Avg Close $24.32 Range $22.65 - $26.11
Q1 2016
Shares 148,510 Value ($000) $5,796 Avg Close $21.23 Range $18.11 - $24.16
Q4 2015
Shares 149,460 Value ($000) $5,184 Avg Close $19.64 Range $15.90 - $22.21
Q3 2015
Shares 162,510 Value ($000) $4,413 Avg Close $17.72 Range $15.62 - $20.44
Q2 2015
Shares 141,800 Value ($000) $4,798 Avg Close $19.88 Range $18.21 - $21.34
Q1 2015
Shares 130,294 Value ($000) $4,603 Avg Close $21.41 Range $19.59 - $23.64
Q4 2014
Shares 129,819 Value ($000) $4,594 Avg Close $19.46 Range $17.19 - $21.00
Q3 2014
Shares 106,129 Value ($000) $3,566 Avg Close $19.66 Range $18.35 - $21.27
Q2 2014
Shares 102,169 Value ($000) $3,529 Avg Close $20.24 Range $18.87 - $21.66
Q1 2014
Shares 101,009 Value ($000) $3,588 Avg Close $22.15 Range $17.84 - $24.59
Q4 2013
Shares 106,009 Value ($000) $4,283 Avg Close $20.46 Range $17.72 - $23.32
Q3 2013
Shares 105,525 Value ($000) $3,403 Avg Close $17.12 Range $15.63 - $18.44
Q2 2013
Shares 105,125 Value ($000) $2,959 Avg Close $15.51 Range $14.03 - $16.52