Cogent Communications Holdings, Inc.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM CCOI

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

46,077

Value ($000)

993

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	2/17/2026	993	0.0%	46,077	12/31/2025
2025 Q3	11/14/2025	1,759	0.0%	45,880	9/30/2025
2025 Q2	8/14/2025	1,935	0.0%	40,143	6/30/2025
2025 Q1	5/15/2025	2,621	0.0%	42,755	3/31/2025
2024 Q4	3/18/2025	3,342	0.0%	43,368	12/31/2024
2024 Q3	4/4/2025	3,168	0.0%	41,732	9/30/2024
2024 Q2	4/8/2025	2,435	0.0%	43,136	6/30/2024
2024 Q1	5/16/2024	2,860	0.0%	43,774	3/31/2024
2023 Q4	2/13/2024	3,528	0.0%	46,388	12/31/2023
2023 Q3	11/14/2023	2,971	0.0%	47,997	9/30/2023
2023 Q2	8/21/2023	3,546	0.0%	52,703	6/30/2023
2023 Q1	5/9/2023	3,439	0.0%	53,965	3/31/2023
2022 Q4	2/14/2023	3,127	0.0%	54,774	12/31/2022
2022 Q3	11/21/2022	2,822	0.0%	54,110	9/30/2022
2022 Q2	8/15/2022	3,363	0.0%	55,355	6/30/2022
2022 Q1	5/16/2022	3,620	0.0%	54,553	3/31/2022
2021 Q4	2/15/2022	4,355	0.0%	59,504	12/31/2021
2021 Q3	11/15/2021	4,111	0.0%	58,033	9/30/2021
2021 Q2	8/16/2021	4,521	0.0%	58,799	6/30/2021
2021 Q1	5/18/2021	4,408	0.0%	64,111	3/31/2021
2020 Q4	2/16/2021	3,858	0.0%	64,433	12/31/2020
2020 Q3	11/17/2020	3,862	0.0%	64,320	9/30/2020
2020 Q2	8/17/2020	4,958	0.0%	64,084	6/30/2020
2020 Q1	5/13/2020	5,287	0.0%	64,496	3/31/2020
2019 Q4	2/14/2020	4,266	0.0%	64,816	12/31/2019
2014 Q1	5/8/2014	3,052	0.0%	85,904	3/31/2014
2013 Q4	2/10/2014	3,455	0.0%	85,504	12/31/2013