Cogent Communications Holdings, Inc.

Russell Investments Group, Ltd. CCOI

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

6,566

Value ($000)

142

Weight

0.0%

2019 Q4 - 2025 Q4 (25 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	142	0.0%	6,566	12/31/2025
2025 Q3	11/13/2025	402	0.0%	10,481	9/30/2025
2025 Q2	8/13/2025	893	0.0%	18,528	6/30/2025
2025 Q1	5/13/2025	1,318	0.0%	21,499	3/31/2025
2024 Q4	2/13/2025	1,597	0.0%	20,725	12/31/2024
2024 Q3	11/13/2024	6,083	0.0%	80,117	9/30/2024
2024 Q2	8/8/2024	3,728	0.0%	66,055	6/30/2024
2024 Q1	5/8/2024	4,642	0.0%	71,056	3/31/2024
2023 Q4	2/5/2024	6,103	0.0%	80,234	12/31/2023
2023 Q3	11/13/2023	5,591	0.0%	90,318	9/30/2023
2023 Q2	8/10/2023	6,499	0.0%	96,580	6/30/2023
2023 Q1	5/9/2023	7,440	0.0%	116,761	3/31/2023
2022 Q4	2/8/2023	4,303	0.0%	75,384	12/31/2022
2022 Q3	11/4/2022	3,590	0.0%	68,841	9/30/2022
2022 Q2	7/29/2022	4,522	0.0%	74,458	6/30/2022
2022 Q1	5/5/2022	7,148	0.0%	107,774	3/31/2022
2021 Q4	1/21/2022	9,044	0.0%	123,623	12/31/2021
2021 Q3	11/8/2021	8,232	0.0%	116,228	9/30/2021
2021 Q2	8/4/2021	8,922	0.0%	116,083	6/30/2021
2021 Q1	5/10/2021	7,749	0.0%	112,729	3/31/2021
2020 Q4	2/8/2021	7,727	0.0%	129,134	12/31/2020
2020 Q3	11/9/2020	8,288	0.0%	138,025	9/30/2020
2020 Q2	8/5/2020	14,009	0.0%	181,079	6/30/2020
2020 Q1	5/6/2020	18,828	0.0%	229,623	3/31/2020
2019 Q4	1/29/2020	14,299	0.0%	217,310	12/31/2019