Cogent Communications Holdings, Inc.

TWO SIGMA INVESTMENTS, LP CCOI

Report date

6/30/2026

Quarter

2026 Q2

Filed

8/14/2026

Shares

11,747

Value ($000)

163

Weight

0.0%

2013 Q4 - 2026 Q2 (18 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
2026 Q2	8/14/2026	163	0.0%	11,747	6/30/2026
2024 Q1	5/15/2024	307	0.0%	4,703	3/31/2024
2023 Q4	2/14/2024	936	0.0%	12,300	12/31/2023
2023 Q3	11/14/2023	761	0.0%	12,300	9/30/2023
2023 Q2	8/14/2023	612	0.0%	9,100	6/30/2023
2023 Q1	5/15/2023	2,801	0.0%	43,952	3/31/2023
2022 Q4	2/14/2023	6,195	0.0%	108,531	12/31/2022
2022 Q3	11/14/2022	1,359	0.0%	26,057	9/30/2022
2022 Q2	8/15/2022	3,124	0.0%	51,411	6/30/2022
2021 Q4	2/14/2022	3,281	0.0%	44,833	12/31/2021
2021 Q3	11/15/2021	8,281	0.0%	116,900	9/30/2021
2021 Q2	8/16/2021	6,363	0.0%	82,758	6/30/2021
2020 Q3	11/16/2020	13,806	0.0%	229,915	9/30/2020
2020 Q2	8/14/2020	7,839	0.0%	101,330	6/30/2020
2020 Q1	5/15/2020	256	0.0%	3,122	3/31/2020
2019 Q4	2/14/2020	8,036	0.0%	122,104	12/31/2019
2014 Q1	5/15/2014	5,678	0.0%	159,810	3/31/2014
2013 Q4	2/14/2014	3,533	0.0%	87,434	12/31/2013