HARBOR CAPITAL ADVISORS, INC.

Position in CCOI — Cogent Communications Holdings, Inc.

CIK 1039128 CHICAGO, IL

Position in CCOI

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$13,588

-$6,005 QoQ

Shares Held

979

-5.9% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#172

of 224 holders

Holding Since

Jun 2023

9 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Communication Services · as of Jun 30, 2026

HARBOR CAPITAL ADVISORS, INC. holds $7,962,798 across 10 Telecom Services names. CCOI ranks #5 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VZ	Verizon Communications Inc	108,276	$4,584,405
2	ATEX	Anterix Inc.	20,805	$2,141,666
3	IRDM	Iridium Communications Inc.	20,479	$1,123,273
4	OPTU	Optimum Communications, Inc.	41,632	$60,366
5	CCOI	Cogent Communications Holdings, Inc. This page	979	$13,588
6	LILA	Liberty Latin America Ltd.	1,532	$11,934
7	CABO	Cable One, Inc.	159	$8,444
8	TDS	Telephone & Data Systems Inc /De/	217	$8,031

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,588	979	-5.9%	Shares	Sole	2026-08-07
2026-03-31	$19,593	1,040	+254.9%	Shares	Sole	2026-04-28
2025-06-30	$14,125	293	+11.0%	Shares	Sole	2025-07-09
2025-03-31	$16,185	264	+1.5%	Shares	Sole	2025-04-14
2024-12-31	$20,038	260	-98.5%	Shares	Sole	2025-01-10
2024-09-30	$1,299,674	17,119	+70.8%	Shares	Sole	2024-10-29
2024-06-30	$565,528	10,020	+289.6%	Shares	Sole	2024-07-09
2024-03-31	$168,028	2,572	+754.5%	Shares	Sole	2024-05-13
2023-06-30	$20,254	301	—	Shares	Sole	2023-07-11
No filing history on record for this holder in this stock.