COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q4 2025
Shares 371 Value ($000) $8 Avg Close $29.49 Range $15.94 - $45.64
Q3 2025
Shares 144,912 Value ($000) $5,557 Avg Close $41.02 Range $28.78 - $52.83
Q2 2025
Shares 243,212 Value ($000) $11,725 Avg Close $48.69 Range $42.42 - $59.17
Q1 2025
Shares 232,272 Value ($000) $14,241 Avg Close $69.28 Range $57.13 - $78.75
Q4 2024
Shares 241,534 Value ($000) $18,615 Avg Close $74.16 Range $68.55 - $80.31
Q3 2024
Shares 241,249 Value ($000) $18,316 Avg Close $63.26 Range $49.39 - $71.55
Q2 2024
Shares 234,602 Value ($000) $13,241 Avg Close $53.96 Range $46.40 - $59.71
Q1 2024
Shares 242,833 Value ($000) $15,864 Avg Close $64.78 Range $55.32 - $76.16
Q4 2023
Shares 236,031 Value ($000) $17,953 Avg Close $58.68 Range $51.06 - $67.91
Q3 2023
Shares 240,111 Value ($000) $14,863 Avg Close $56.65 Range $49.37 - $62.58
Q2 2023
Shares 240,110 Value ($000) $16,157 Avg Close $55.79 Range $51.89 - $63.61
Q1 2023
Shares 240,186 Value ($000) $15,305 Avg Close $53.95 Range $47.34 - $59.59
Q4 2022
Shares 253,719 Value ($000) $14,482 Avg Close $45.47 Range $38.44 - $49.77
Q3 2022
Shares 250,669 Value ($000) $13,075 Avg Close $47.03 Range $40.31 - $52.62
Q2 2022
Shares 250,669 Value ($000) $15,231 Avg Close $49.50 Range $44.69 - $57.61
Q1 2022
Shares 262,199 Value ($000) $17,397 Avg Close $50.68 Range $45.04 - $58.30
Q4 2021
Shares 235,638 Value ($000) $17,244 Avg Close $58.80 Range $54.37 - $63.01
Q3 2021
Shares 252,540 Value ($000) $17,890 Avg Close $57.54 Range $54.65 - $60.62
Q2 2021
Shares 297,853 Value ($000) $22,902 Avg Close $56.91 Range $51.11 - $61.32
Q1 2021
Shares 297,675 Value ($000) $20,468 Avg Close $46.19 Range $42.45 - $53.35
Q4 2020
Shares 337,638 Value ($000) $20,214 Avg Close $44.21 Range $39.55 - $48.39
Q3 2020
Shares 337,609 Value ($000) $20,273 Avg Close $53.91 Range $43.66 - $66.92
Q2 2020
Shares 354,069 Value ($000) $27,391 Avg Close $59.24 Range $53.63 - $67.78
Q1 2020
Shares 413,378 Value ($000) $33,885 Avg Close $54.80 Range $46.85 - $63.38
Q4 2019
Shares 355,432 Value ($000) $23,391 Avg Close $43.44 Range $38.28 - $48.23
Q3 2019
Shares 317,863 Value ($000) $17,514 Avg Close $42.42 Range $38.13 - $45.53
Q2 2019
Shares 345,182 Value ($000) $20,490 Avg Close $40.47 Range $37.32 - $43.54
Q1 2019
Shares 349,252 Value ($000) $18,947 Avg Close $34.25 Range $30.46 - $38.29
Q4 2018
Shares 357,321 Value ($000) $16,154 Avg Close $34.08 Range $29.38 - $39.03
Q3 2018
Shares 300,807 Value ($000) $16,785 Avg Close $36.52 Range $31.80 - $39.09
Q2 2018
Shares 310,697 Value ($000) $16,591 Avg Close $33.53 Range $28.42 - $38.12
Q1 2018
Shares 314,187 Value ($000) $13,636 Avg Close $29.20 Range $23.71 - $30.80
Q4 2017
Shares 319,701 Value ($000) $14,482 Avg Close $31.42 Range $27.83 - $36.00
Q3 2017
Shares 483,362 Value ($000) $23,636 Avg Close $28.92 Range $24.75 - $32.98
Q2 2017
Shares 572,738 Value ($000) $22,967 Avg Close $26.76 Range $24.58 - $29.07
Q1 2017
Shares 605,488 Value ($000) $26,066 Avg Close $26.58 Range $24.73 - $28.22
Q4 2016
Shares 636,567 Value ($000) $26,322 Avg Close $24.11 Range $21.53 - $26.92
Q3 2016
Shares 238,817 Value ($000) $8,791 Avg Close $24.16 Range $22.06 - $27.15