Cogent Communications Holdings, Inc.

FRONTIER CAPITAL MANAGEMENT CO LLC CCOI

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

345,803

Value ($000)

7,456

Weight

0.1%

2013 Q4 - 2025 Q4 (22 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/17/2026	7,456	0.1%	345,803	12/31/2025
2025 Q3	11/14/2025	10,048	0.1%	262,020	9/30/2025
2025 Q2	8/14/2025	7,939	0.1%	164,679	6/30/2025
2025 Q1	5/15/2025	10,128	0.1%	165,199	3/31/2025
2024 Q4	2/14/2025	13,122	0.1%	170,256	12/31/2024
2024 Q3	11/14/2024	12,952	0.1%	170,603	9/30/2024
2024 Q2	8/14/2024	9,771	0.1%	173,122	6/30/2024
2024 Q1	5/15/2024	8,670	0.1%	132,708	3/31/2024
2023 Q4	2/14/2024	8,512	0.1%	111,915	12/31/2023
2023 Q3	11/14/2023	6,918	0.1%	111,766	9/30/2023
2023 Q2	8/14/2023	7,596	0.1%	112,879	6/30/2023
2023 Q1	5/15/2023	7,266	0.1%	114,034	3/31/2023
2022 Q4	2/14/2023	7,097	0.1%	124,343	12/31/2022
2022 Q3	11/14/2022	5,887	0.1%	112,865	9/30/2022
2020 Q4	1/19/2021	8,858	0.1%	147,955	12/31/2020
2020 Q3	11/16/2020	9,975	0.1%	166,114	9/30/2020
2020 Q2	7/17/2020	13,924	0.1%	179,993	6/30/2020
2020 Q1	4/16/2020	24,054	0.3%	293,446	3/31/2020
2019 Q4	2/14/2020	33,002	0.2%	501,468	12/31/2019
2014 Q2	8/1/2014	154,334	1.1%	4,466,964	6/30/2014
2014 Q1	4/30/2014	159,888	1.2%	4,500,091	3/31/2014
2013 Q4	1/31/2014	180,142	1.3%	4,457,850	12/31/2013