COGENT COMMUNICATIONS HLDGS

Ticker: CCOI CUSIP: 19239V302 Class: Common Stock

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 88,314 Value ($000) $1,904 Avg Close $29.49 Range $15.94 - $45.64

Q3 2025

Shares 122,020 Value ($000) $9,264 Avg Close $41.02 Range $28.78 - $52.83

Q2 2025

Shares 91,299 Value ($000) $4,402 Avg Close $48.69 Range $42.42 - $59.17

Q1 2025

Shares 61,345 Value ($000) $3,761 Avg Close $69.28 Range $57.13 - $78.75

Q4 2024

Shares 83,232 Value ($000) $6,415 Avg Close $74.16 Range $68.55 - $80.31

Q3 2024

Shares 122,020 Value ($000) $9 Avg Close $63.26 Range $49.39 - $71.55

Q2 2024

Shares 113,302 Value ($000) $6,395 Avg Close $53.96 Range $46.40 - $59.71

Q1 2024

Shares 48,481 Value ($000) $3,167 Avg Close $64.78 Range $55.32 - $76.16

Q4 2023

Shares 75,358 Value ($000) $5,732 Avg Close $58.68 Range $51.06 - $67.91

Q3 2023

Shares 26,515 Value ($000) $1,641 Avg Close $56.65 Range $49.37 - $62.58

Q2 2023

Shares 43,268 Value ($000) $3 Avg Close $55.79 Range $51.89 - $63.61

Q1 2023

Shares 47,259 Value ($000) $3 Avg Close $53.95 Range $47.34 - $59.59

Q4 2022

Shares 30,681 Value ($000) $2 Avg Close $45.47 Range $38.44 - $49.77

Q3 2022

Shares 52,257 Value ($000) $2,726 Avg Close $47.03 Range $40.31 - $52.62

Q2 2022

Shares 25,523 Value ($000) $1,551 Avg Close $49.50 Range $44.69 - $57.61

Q1 2022

Shares 43,637 Value ($000) $2,894 Avg Close $50.68 Range $45.04 - $58.30

Q4 2021

Shares 65,735 Value ($000) $4,808 Avg Close $58.80 Range $54.37 - $63.01

Q3 2021

Shares 44,431 Value ($000) $3,146 Avg Close $57.54 Range $54.65 - $60.62

Q2 2021

Shares 24,860 Value ($000) $1,910 Avg Close $56.91 Range $51.11 - $61.32

Q1 2021

Shares 67,965 Value ($000) $4,675 Avg Close $46.19 Range $42.45 - $53.35

Q4 2020

Shares 59,830 Value ($000) $3,581 Avg Close $44.21 Range $39.55 - $48.39

Q3 2020

Shares 66,393 Value ($000) $3,987 Avg Close $53.91 Range $43.66 - $66.92

Q2 2020

Shares 43,057 Value ($000) $3,331 Avg Close $59.24 Range $53.63 - $67.78

Q1 2020

Shares 39,935 Value ($000) $3,275 Avg Close $54.80 Range $46.85 - $63.38

Q4 2019

Shares 69,098 Value ($000) $4,548 Avg Close $43.44 Range $38.28 - $48.23

Q3 2019

Shares 58,111 Value ($000) $3,203 Avg Close $42.42 Range $38.13 - $45.53

Q2 2019

Shares 51,113 Value ($000) $3,034 Avg Close $40.47 Range $37.32 - $43.54

Q1 2019

Shares 48,281 Value ($000) $2,619 Avg Close $34.25 Range $30.46 - $38.29

Q4 2018

Shares 54,442 Value ($000) $2,461 Avg Close $34.08 Range $29.38 - $39.03

Q3 2018

Shares 52,874 Value ($000) $2,951 Avg Close $36.52 Range $31.80 - $39.09

Q2 2018

Shares 31,165 Value ($000) $1,665 Avg Close $33.53 Range $28.42 - $38.12

Q1 2018

Shares 24,558 Value ($000) $1,066 Avg Close $29.20 Range $23.71 - $30.80

Q4 2017

Shares 9,557 Value ($000) $433 Avg Close $31.42 Range $27.83 - $36.00

Q3 2017

Shares 965 Value ($000) $47 Avg Close $28.92 Range $24.75 - $32.98

Q2 2017

Shares 7,458 Value ($000) $299 Avg Close $26.76 Range $24.58 - $29.07

Q1 2017

Shares 835 Value ($000) $36 Avg Close $26.58 Range $24.73 - $28.22

Q4 2016

Shares 3,953 Value ($000) $163 Avg Close $24.11 Range $21.53 - $26.92

Q3 2016

Shares 1,748 Value ($000) $64 Avg Close $24.16 Range $22.06 - $27.15

Q2 2016

Shares 2,180 Value ($000) $87 Avg Close $24.32 Range $22.65 - $26.11

Q1 2016

Shares 41,014 Value ($000) $1,599 Avg Close $21.23 Range $18.11 - $24.16

Q4 2015

Shares 5,873 Value ($000) $199 Avg Close $19.64 Range $15.90 - $22.21

Q3 2015

Shares 464 Value ($000) $12 Avg Close $17.72 Range $15.62 - $20.44

Q2 2015

Shares 963 Value ($000) $32 Avg Close $19.88 Range $18.21 - $21.34

Q1 2015

Shares 8,544 Value ($000) $299 Avg Close $21.41 Range $19.59 - $23.64

Q4 2014

Shares 18,155 Value ($000) $636 Avg Close $19.46 Range $17.19 - $21.00

Q3 2014

Shares 1,608 Value ($000) $54 Avg Close $19.66 Range $18.35 - $21.27

Q2 2014

Shares 4,561 Value ($000) $155 Avg Close $20.24 Range $18.87 - $21.66

Q1 2014

Shares 1,929 Value ($000) $68 Avg Close $22.15 Range $17.84 - $24.59

Q4 2013

Shares 7,217 Value ($000) $289 Avg Close $20.46 Range $17.72 - $23.32

Q3 2013

Shares 7,830 Value ($000) $251 Avg Close $17.12 Range $15.63 - $18.44

Q2 2013

Shares 7,496 Value ($000) $212 Avg Close $15.51 Range $14.03 - $16.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	88,314	$1,904	$29.49	$15.94 - $45.64
Q3 2025	122,020	$9,264	$41.02	$28.78 - $52.83
Q2 2025	91,299	$4,402	$48.69	$42.42 - $59.17
Q1 2025	61,345	$3,761	$69.28	$57.13 - $78.75
Q4 2024	83,232	$6,415	$74.16	$68.55 - $80.31
Q3 2024	122,020	$9	$63.26	$49.39 - $71.55
Q2 2024	113,302	$6,395	$53.96	$46.40 - $59.71
Q1 2024	48,481	$3,167	$64.78	$55.32 - $76.16
Q4 2023	75,358	$5,732	$58.68	$51.06 - $67.91
Q3 2023	26,515	$1,641	$56.65	$49.37 - $62.58
Q2 2023	43,268	$3	$55.79	$51.89 - $63.61
Q1 2023	47,259	$3	$53.95	$47.34 - $59.59
Q4 2022	30,681	$2	$45.47	$38.44 - $49.77
Q3 2022	52,257	$2,726	$47.03	$40.31 - $52.62
Q2 2022	25,523	$1,551	$49.50	$44.69 - $57.61
Q1 2022	43,637	$2,894	$50.68	$45.04 - $58.30
Q4 2021	65,735	$4,808	$58.80	$54.37 - $63.01
Q3 2021	44,431	$3,146	$57.54	$54.65 - $60.62
Q2 2021	24,860	$1,910	$56.91	$51.11 - $61.32
Q1 2021	67,965	$4,675	$46.19	$42.45 - $53.35
Q4 2020	59,830	$3,581	$44.21	$39.55 - $48.39
Q3 2020	66,393	$3,987	$53.91	$43.66 - $66.92
Q2 2020	43,057	$3,331	$59.24	$53.63 - $67.78
Q1 2020	39,935	$3,275	$54.80	$46.85 - $63.38
Q4 2019	69,098	$4,548	$43.44	$38.28 - $48.23
Q3 2019	58,111	$3,203	$42.42	$38.13 - $45.53
Q2 2019	51,113	$3,034	$40.47	$37.32 - $43.54
Q1 2019	48,281	$2,619	$34.25	$30.46 - $38.29
Q4 2018	54,442	$2,461	$34.08	$29.38 - $39.03
Q3 2018	52,874	$2,951	$36.52	$31.80 - $39.09
Q2 2018	31,165	$1,665	$33.53	$28.42 - $38.12
Q1 2018	24,558	$1,066	$29.20	$23.71 - $30.80
Q4 2017	9,557	$433	$31.42	$27.83 - $36.00
Q3 2017	965	$47	$28.92	$24.75 - $32.98
Q2 2017	7,458	$299	$26.76	$24.58 - $29.07
Q1 2017	835	$36	$26.58	$24.73 - $28.22
Q4 2016	3,953	$163	$24.11	$21.53 - $26.92
Q3 2016	1,748	$64	$24.16	$22.06 - $27.15
Q2 2016	2,180	$87	$24.32	$22.65 - $26.11
Q1 2016	41,014	$1,599	$21.23	$18.11 - $24.16
Q4 2015	5,873	$199	$19.64	$15.90 - $22.21
Q3 2015	464	$12	$17.72	$15.62 - $20.44
Q2 2015	963	$32	$19.88	$18.21 - $21.34
Q1 2015	8,544	$299	$21.41	$19.59 - $23.64
Q4 2014	18,155	$636	$19.46	$17.19 - $21.00
Q3 2014	1,608	$54	$19.66	$18.35 - $21.27
Q2 2014	4,561	$155	$20.24	$18.87 - $21.66
Q1 2014	1,929	$68	$22.15	$17.84 - $24.59
Q4 2013	7,217	$289	$20.46	$17.72 - $23.32
Q3 2013	7,830	$251	$17.12	$15.63 - $18.44
Q2 2013	7,496	$212	$15.51	$14.03 - $16.52