Harbor Capital Advisors’s Cogent Communications CCOI Stock Holding History

Harbor Capital Advisors’s Portfolio CCOI Stock Details CCOI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$20K	Buy	+1,040	New	+$22.9K	﹤0.01%	826
2025 Q3	–	Sell	-293	Closed	-$14K	–	1361
2025 Q2	$14K	Buy	293 +29	+11%	+$1.47K	﹤0.01%	866
2025 Q1	$16K	Buy	264 +4	+2%	+$295	﹤0.01%	842
2024 Q4	$20K	Sell	260 -16,859	-98%	-$1.34M	﹤0.01%	811
2024 Q3	$1.3M	Buy	17,119 +7,099	+71%	+$489K	0.06%	410
2024 Q2	$566K	Buy	10,020 +7,448	+290%	+$445K	0.04%	501
2024 Q1	$168K	Buy	+2,572	New	+$188K	0.02%	652
2023 Q3	–	Sell	-301	Closed	-$20.3K	–	474
2023 Q2	$20.3K	Buy	+301	New	+$19.7K	﹤0.01%	598

Other funds holding CCOI

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Turtle Creek Asset Management Toronto, Ontario, Canada $2.67B AUM 0.64% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Park West Asset Management San Francisco, California $1.13B AUM 47.25% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return

Magnolia Group Omaha, Nebraska $538M AUM 5.13% 1-Year Est. Return