CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in CCOI — Cogent Communications Holdings, Inc.

CIK 1081019 WEST SACRAMENTO, CA

Position in CCOI

as of Jun 30, 2026 · filed Aug 24, 2026 Compact

Position Value

$752,004

-$109,247 QoQ

Shares Held

54,179

+18.5% QoQ

Ownership

0.106%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#73

of 224 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Communication Services · as of Jun 30, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $845,407,897 across 25 Telecom Services names. CCOI ranks #17 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VZ	Verizon Communications Inc	6,409,300	$271,369,762
2	T	At&T Inc.	10,682,454	$221,126,797
3	CMCSA	Comcast Corp	5,687,667	$139,632,224
4	TMUS	T-Mobile US, Inc.	756,895	$126,953,998
5	ECHO	EchoStar CORP	199,911	$20,290,966
6	CHTR	Charter Communications, Inc. /Mo/	142,678	$20,290,238
7	TIGO	Millicom International Cellular SA	113,966	$10,343,554
8	LUMN	Lumen Technologies, Inc.	1,103,222	$8,472,744

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$752,004	54,179	+18.5%	Shares	Sole	2026-08-24
2026-03-31	$861,251	45,714	-0.8%	Shares	Sole	2026-05-18
2025-12-31	$993,420	46,077	+0.4%	Shares	Sole	2026-02-17
2025-09-30	$1,759,498	45,880	+14.3%	Shares	Sole	2025-11-14
2025-06-30	$1,935,294	40,143	-6.1%	Shares	Sole	2025-08-14
2025-03-31	$2,621,309	42,755	-1.4%	Shares	Sole	2025-05-15
2024-12-31	$3,342,371	43,368	+3.9%	Shares	Sole	2025-03-18
2024-09-30	$3,168,293	41,732	-3.3%	Shares	Sole	2025-04-04
2024-06-30	$2,434,595	43,136	-1.5%	Shares	Sole	2025-04-08
2024-03-31	$2,859,755	43,774	-5.6%	Shares	Sole	2024-05-16
2023-12-31	$3,528,271	46,388	-3.4%	Shares	Sole	2024-02-13
2023-09-30	$2,971,014	47,997	-8.9%	Shares	Sole	2023-11-14
2023-06-30	$3,546,384	52,703	-2.3%	Shares	Sole	2023-08-21
2023-03-31	$3,438,649	53,965	-1.5%	Shares	Sole	2023-05-09
2022-12-31	$3,126,499	54,774	+1.2%	Shares	Sole	2023-02-14
2022-09-30	$2,822,377	54,110	-2.2%	Shares	Sole	2022-11-21
2022-06-30	$3,363,369	55,355	+1.5%	Shares	Sole	2022-08-15
2022-03-31	$3,619,591	54,553	-8.3%	Shares	Sole	2022-05-16
2021-12-31	$4,354,502	59,504	+2.5%	Shares	Sole	2022-02-15
2021-09-30	$4,111,057	58,033	-1.3%	Shares	Sole	2021-11-15
2021-06-30	$4,521,055	58,799	-8.3%	Shares	Sole	2021-08-16
2021-03-31	$4,408,272	64,111	-0.5%	Shares	Sole	2021-05-18
2020-12-31	$3,857,603	64,433	+0.2%	Shares	Sole	2021-02-16
2020-09-30	$3,862,416	64,320	+0.4%	Shares	Sole	2020-11-17
2020-06-30	$4,957,538	64,084	-0.6%	Shares	Sole	2020-08-17
2020-03-31	$5,286,737	64,496	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.