Cogent Communications Holdings, Inc.

RENAISSANCE TECHNOLOGIES LLC CCOI

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/12/2026

Shares

89,031

Value ($000)

1,920

Weight

0.0%

2013 Q4 - 2025 Q4 (27 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	2/12/2026	1,920	0.0%	89,031	12/31/2025
2025 Q3	11/13/2025	7,209	0.0%	187,987	9/30/2025
2025 Q2	8/13/2025	22,083	0.0%	458,056	6/30/2025
2025 Q1	5/14/2025	39,509	0.1%	644,415	3/31/2025
2024 Q4	2/13/2025	57,013	0.1%	739,756	12/31/2024
2024 Q3	11/13/2024	67,960	0.1%	895,156	9/30/2024
2024 Q2	8/9/2024	61,308	0.1%	1,086,256	6/30/2024
2024 Q1	5/13/2024	93,804	0.1%	1,435,856	3/31/2024
2023 Q4	2/13/2024	122,567	0.2%	1,611,456	12/31/2023
2023 Q3	11/14/2023	108,978	0.2%	1,760,556	9/30/2023
2023 Q2	8/11/2023	122,438	0.2%	1,819,556	6/30/2023
2023 Q1	5/12/2023	115,279	0.2%	1,809,156	3/31/2023
2022 Q4	2/13/2023	103,979	0.1%	1,821,638	12/31/2022
2022 Q3	11/14/2022	101,950	0.1%	1,954,556	9/30/2022
2022 Q2	8/12/2022	140,481	0.2%	2,312,056	6/30/2022
2022 Q1	5/13/2022	143,605	0.2%	2,164,356	3/31/2022
2021 Q4	2/11/2022	159,412	0.2%	2,178,356	12/31/2021
2021 Q3	11/12/2021	158,544	0.2%	2,238,056	9/30/2021
2021 Q2	8/13/2021	173,207	0.2%	2,252,656	6/30/2021
2021 Q1	5/13/2021	156,447	0.2%	2,275,256	3/31/2021
2020 Q4	2/10/2021	161,479	0.2%	2,697,156	12/31/2020
2020 Q3	11/13/2020	189,149	0.2%	3,149,866	9/30/2020
2020 Q2	8/13/2020	270,556	0.2%	3,497,366	6/30/2020
2020 Q1	5/14/2020	292,417	0.3%	3,567,366	3/31/2020
2019 Q4	2/13/2020	236,150	0.2%	3,588,366	12/31/2019
2014 Q1	5/14/2014	58,898	0.1%	1,657,700	3/31/2014
2013 Q4	2/14/2014	59,027	0.1%	1,460,700	12/31/2013