CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in IRDM — Iridium Communications Inc.

CIK 1081019 WEST SACRAMENTO, CA

Position in IRDM

as of Mar 31, 2026 · filed May 18, 2026 Compact

Position Value

$3,108,627

+$1,514,864 QoQ

Shares Held

112,063

+22.2% QoQ

Ownership

0.106%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Communication Services · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,065,214,660 across 25 Telecom Services names. IRDM ranks #11 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VZ	Verizon Communications Inc	6,593,058	$330,971,511
2	T	At&T Inc.	10,945,219	$317,301,898
3	CMCSA	Comcast Corp	5,848,369	$167,906,673
4	TMUS	T-Mobile US, Inc.	785,248	$164,925,637
5	ECHO	EchoStar CORP	206,835	$24,214,173
6	CHTR	Charter Communications, Inc. /Mo/	111,998	$24,178,128
7	TIGO	Millicom International Cellular SA	112,554	$8,434,796
8	LUMN	Lumen Technologies, Inc.	1,130,541	$7,857,259

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,108,627	112,063	+22.2%	Shares	Sole	2026-05-18
2025-12-31	$1,593,763	91,701	-0.3%	Shares	Sole	2026-02-17
2025-09-30	$1,605,813	91,971	-6.0%	Shares	Sole	2025-11-14
2025-06-30	$2,951,651	97,834	-0.9%	Shares	Sole	2025-08-14
2025-03-31	$2,697,522	98,738	-1.4%	Shares	Sole	2025-05-15
2024-12-31	$2,906,178	100,144	-3.7%	Shares	Sole	2025-03-18
2024-09-30	$3,166,617	103,994	-3.2%	Shares	Sole	2025-04-04
2024-06-30	$2,859,919	107,435	-4.7%	Shares	Sole	2025-04-08
2024-03-31	$2,947,865	112,686	-6.6%	Shares	Sole	2024-05-16
2023-12-31	$4,963,566	120,592	-5.8%	Shares	Sole	2024-02-13
2023-09-30	$5,821,855	127,981	-9.9%	Shares	Sole	2023-11-14
2023-06-30	$8,826,568	142,089	-2.6%	Shares	Sole	2023-08-21
2023-03-31	$9,033,295	145,863	-2.3%	Shares	Sole	2023-05-09
2022-12-31	$7,676,384	149,346	-0.1%	Shares	Sole	2023-02-14
2022-09-30	$6,629,898	149,423	-2.3%	Shares	Sole	2022-11-21
2022-06-30	$5,747,018	153,009	+0.8%	Shares	Sole	2022-08-15
2022-03-31	$6,118,439	151,747	-7.8%	Shares	Sole	2022-05-16
2021-12-31	$6,798,233	164,646	+1.5%	Shares	Sole	2022-02-15
2021-09-30	$6,463,869	162,205	-1.5%	Shares	Sole	2021-11-15
2021-06-30	$6,586,313	164,699	-8.6%	Shares	Sole	2021-08-16
2021-03-31	$7,431,558	180,159	+1.2%	Shares	Sole	2021-05-18
2020-12-31	$7,002,352	178,041	+0.1%	Shares	Sole	2021-02-16
2020-09-30	$4,548,635	177,820	+0.3%	Shares	Sole	2020-11-17
2020-06-30	$4,511,326	177,332	+17.8%	Shares	Sole	2020-08-17
2020-03-31	$3,361,647	150,544	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.