Cogent Communications Holdings, Inc.

STATE OF WISCONSIN INVESTMENT BOARD CCOI

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

75,154

Value ($000)

1,620

Weight

0.0%

2020 Q3 - 2025 Q4 (19 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	1,620	0.0%	75,154	12/31/2025
2025 Q3	11/14/2025	4,699	0.0%	122,518	9/30/2025
2025 Q2	8/14/2025	5,826	0.0%	120,837	6/30/2025
2025 Q1	5/15/2025	7,586	0.0%	123,732	3/31/2025
2024 Q4	2/14/2025	9,130	0.0%	118,461	12/31/2024
2024 Q3	11/14/2024	8,377	0.0%	110,336	9/30/2024
2024 Q2	8/14/2024	6,311	0.0%	111,826	6/30/2024
2024 Q1	5/14/2024	7,460	0.0%	114,186	3/31/2024
2023 Q4	2/12/2024	10,302	0.0%	135,440	12/31/2023
2023 Q3	11/14/2023	7,003	0.0%	113,130	9/30/2023
2023 Q2	8/14/2023	5,298	0.0%	78,739	6/30/2023
2023 Q1	5/15/2023	385	0.0%	6,044	3/31/2023
2022 Q4	2/14/2023	307	0.0%	5,387	12/31/2022
2022 Q3	11/14/2022	419	0.0%	8,040	9/30/2022
2022 Q2	8/15/2022	659	0.0%	10,844	6/30/2022
2021 Q2	8/12/2021	1,588	0.0%	20,650	6/30/2021
2021 Q1	5/17/2021	2,840	0.0%	41,300	3/31/2021
2020 Q4	2/3/2021	2,473	0.0%	41,300	12/31/2020
2020 Q3	11/16/2020	3,111	0.0%	51,800	9/30/2020