Tortoise Investment Management’s Cogent Communications CCOI Stock Holding History

Tortoise Investment Management’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
2025 Q4	–	Sell	-20	Closed	-$767	–	429
2025 Q3	$767	Hold	20	–	–	﹤0.01%	1106
2025 Q2	$964	Hold	20	–	–	﹤0.01%	981
2025 Q1	$1.23K	Hold	20	–	–	﹤0.01%	741
2024 Q4	$1.54K	Hold	20	–	–	﹤0.01%	780
2024 Q3	$1.52K	Hold	20	–	–	﹤0.01%	790
2024 Q2	$1.13K	Hold	20	–	–	﹤0.01%	818
2024 Q1	$1.31K	Hold	20	–	–	﹤0.01%	800
2023 Q4	$1.52K	Hold	20	–	–	﹤0.01%	725
2023 Q3	$1.24K	Hold	20	–	–	﹤0.01%	732
2023 Q2	$1.35K	Hold	20	–	–	﹤0.01%	722
2023 Q1	$1.27K	Hold	20	–	–	﹤0.01%	718
2022 Q4	$1.14K	Hold	20	–	–	﹤0.01%	718
2022 Q3	$1K	Hold	20	–	–	﹤0.01%	721
2022 Q2	$1K	Hold	20	–	–	﹤0.01%	705
2022 Q1	$1K	Hold	20	–	–	﹤0.01%	658
2021 Q4	$1K	Hold	20	–	–	﹤0.01%	629
2021 Q3	$1K	Hold	20	–	–	﹤0.01%	597
2021 Q2	$2K	Hold	20	–	–	﹤0.01%	566
2021 Q1	$1K	Hold	20	–	–	﹤0.01%	562
2020 Q4	$1K	Hold	20	–	–	﹤0.01%	524
2020 Q3	$1K	Hold	20	–	–	﹤0.01%	503
2020 Q2	$2K	Hold	20	–	–	﹤0.01%	457
2020 Q1	$2K	Hold	20	–	–	﹤0.01%	478
2019 Q4	$1K	Hold	20	–	–	﹤0.01%	560
2019 Q3	$1K	Hold	20	–	–	﹤0.01%	562
2019 Q2	$1K	Hold	20	–	–	﹤0.01%	593
2019 Q1	$1K	Hold	20	–	–	﹤0.01%	586
2018 Q4	$1K	Hold	20	–	–	﹤0.01%	522
2018 Q3	$1K	Hold	20	–	–	﹤0.01%	526
2018 Q2	$1K	Hold	20	–	–	﹤0.01%	539
2018 Q1	$1K	Hold	20	–	–	﹤0.01%	518
2017 Q4	$1K	Hold	20	–	–	﹤0.01%	538
2017 Q3	$1K	Hold	20	–	–	﹤0.01%	469
2017 Q2	$1K	Hold	20	–	–	﹤0.01%	469
2017 Q1	$1K	Hold	20	–	–	﹤0.01%	449
2016 Q4	$1K	Hold	20	–	–	﹤0.01%	464
2016 Q3	$1K	Hold	20	–	–	﹤0.01%	418
2016 Q2	$1K	Hold	20	–	–	﹤0.01%	463
2016 Q1	$1K	Hold	20	–	–	﹤0.01%	367
2015 Q4	$1K	Hold	20	–	–	﹤0.01%	395
2015 Q3	$1K	Hold	20	–	–	﹤0.01%	383
2015 Q2	$1K	Buy	+20	New	+$670	﹤0.01%	411

Other funds holding CCOI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

TCAM

Turtle Creek Asset Management Toronto, Ontario, Canada $2.56B AUM 1.05% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

PWAM

Park West Asset Management San Francisco, California $1.47B AUM 86.42% 1-Year Est. Return

HCM

Harspring Capital Management New York $53.7M AUM 23.29% 1-Year Est. Return

Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Magnolia Group Omaha, Nebraska $476M AUM 7.25% 1-Year Est. Return

Tortoise Investment Management's CCOI Position: Q4 2025 in Review

Tortoise Investment Management sold out of Cogent Communications (CCOI) in Q4 2025, closing a stake of 20 shares — an estimated $767 sold.

Tortoise Investment Management first reported a position in CCOI in Q2 2015 and held it in 42 quarters. The position peaked at $2K in Q2 2021. 246 funds tracked by Wall St. Rank hold CCOI as of Q4 2025.

Tortoise Investment Management reported no remaining Cogent Communications position as of Q4 2025 after selling out during the quarter.
Tortoise Investment Management sold 20 Cogent Communications shares in Q4 2025, an estimated $767.
Tortoise Investment Management first reported a position in Cogent Communications in Q2 2015 and held it in 42 quarters.
Tortoise Investment Management's Cogent Communications position peaked at $2K in Q2 2021.
246 funds tracked by Wall St. Rank held Cogent Communications as of Q4 2025.

Based on Tortoise Investment Management's 13F filing for Q4 2025, filed 6 Feb 2026.