COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 7,191,017 Value ($000) $155,038 Avg Close $29.49 Range $15.94 - $45.64

Q3 2025

Shares 6,892,096 Value ($000) $264,312 Avg Close $41.02 Range $28.78 - $52.83

Q2 2025

Shares 6,480,544 Value ($000) $312,427 Avg Close $48.69 Range $42.42 - $59.17

Q1 2025

Shares 6,606,661 Value ($000) $405,054 Avg Close $69.28 Range $57.13 - $78.75

Q4 2024

Shares 6,796,658 Value ($000) $523,818 Avg Close $74.16 Range $68.55 - $80.31

Q3 2024

Shares 6,874,589 Value ($000) $521,919 Avg Close $63.26 Range $49.39 - $71.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,191,017	$155,038	$29.49	$15.94 - $45.64
Q3 2025	6,892,096	$264,312	$41.02	$28.78 - $52.83
Q2 2025	6,480,544	$312,427	$48.69	$42.42 - $59.17
Q1 2025	6,606,661	$405,054	$69.28	$57.13 - $78.75
Q4 2024	6,796,658	$523,818	$74.16	$68.55 - $80.31
Q3 2024	6,874,589	$521,919	$63.26	$49.39 - $71.55