COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

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

Q4 2025
Shares 217,025 Value ($000) $4,679 Avg Close $29.49 Range $15.94 - $45.64
Q3 2025
Shares 108,989 Value ($000) $4,180 Avg Close $41.02 Range $28.78 - $52.83
Q2 2025
Shares 224,491 Value ($000) $10,823 Avg Close $48.69 Range $42.42 - $59.17
Q1 2025
Shares 185,582 Value ($000) $11,378 Avg Close $69.28 Range $57.13 - $78.75
Q4 2024
Shares 174,481 Value ($000) $13,447 Avg Close $74.16 Range $68.55 - $80.31
Q3 2024
Shares 182,467 Value ($000) $13,853 Avg Close $63.26 Range $49.39 - $71.55
Q2 2024
Shares 171,253 Value ($000) $9,666 Avg Close $53.96 Range $46.40 - $59.71
Q1 2024
Shares 169,662 Value ($000) $11,084 Avg Close $64.78 Range $55.32 - $76.16
Q4 2023
Shares 138,921 Value ($000) $10,566 Avg Close $58.68 Range $51.06 - $67.91
Q3 2023
Shares 111,971 Value ($000) $6,931 Avg Close $56.65 Range $49.37 - $62.58
Q2 2023
Shares 40,683 Value ($000) $2,738 Avg Close $55.79 Range $51.89 - $63.61
Q3 2018
Shares 41,612 Value ($000) $2,322 Avg Close $36.52 Range $31.80 - $39.09
Q2 2018
Shares 61,110 Value ($000) $3,263 Avg Close $33.53 Range $28.42 - $38.12
Q1 2018
Shares 30,378 Value ($000) $1,318 Avg Close $29.20 Range $23.71 - $30.80
Q4 2017
Shares 42,001 Value ($000) $1,903 Avg Close $31.42 Range $27.83 - $36.00
Q3 2017
Shares 56,622 Value ($000) $2,769 Avg Close $28.92 Range $24.75 - $32.98
Q2 2017
Shares 70,039 Value ($000) $2,809 Avg Close $26.76 Range $24.58 - $29.07
Q1 2017
Shares 59,736 Value ($000) $2,572 Avg Close $26.58 Range $24.73 - $28.22
Q4 2016
Shares 468,089 Value ($000) $19,355 Avg Close $24.11 Range $21.53 - $26.92
Q3 2016
Shares 464,289 Value ($000) $17,090 Avg Close $24.16 Range $22.06 - $27.15
Q2 2016
Shares 369,689 Value ($000) $14,810 Avg Close $24.32 Range $22.65 - $26.11
Q1 2016
Shares 301,889 Value ($000) $11,783 Avg Close $21.23 Range $18.11 - $24.16
Q4 2015
Shares 394,989 Value ($000) $13,702 Avg Close $19.64 Range $15.90 - $22.21
Q3 2015
Shares 517,589 Value ($000) $14,058 Avg Close $17.72 Range $15.62 - $20.44