Tudor Investment Corp’s Cogent Communications CCOI Stock Holding History

Tudor Investment Corp’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 Q2	$1.93M	Sell	139,269 -423	-0.3%	-$7.8K	﹤0.01%	1967
2026 Q1	$2.63M	Buy	+139,692	New	+$3.08M	﹤0.01%	1651
2019 Q4	–	Sell	-12,531	Closed	-$690K	–	1167
2019 Q3	$690K	Buy	+12,531	New	+$747K	0.02%	612
2019 Q2	–	Sell	-10,003	Closed	-$543K	–	1109
2019 Q1	$543K	Sell	10,003 -13,722	-58%	-$676K	0.02%	677
2018 Q4	$1.07M	Buy	+23,725	New	+$1.17M	0.02%	362
2018 Q1	–	Sell	-8,626	Closed	-$391K	–	1018
2017 Q4	$391K	Buy	+8,626	New	+$411K	0.01%	697
2017 Q2	–	Sell	-8,252	Closed	-$355K	–	1062
2017 Q1	$355K	Buy	+8,252	New	+$344K	0.01%	896
2015 Q4	–	Sell	-8,742	Closed	-$237K	–	1656
2015 Q3	$237K	Buy	+8,742	New	+$258K	0.01%	1237
2014 Q2	–	Sell	-13,903	Closed	-$494K	–	1178
2014 Q1	$494K	Buy	+13,903	New	+$543K	0.02%	533

Other funds holding CCOI

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

TCAM

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

PWAM

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

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

EIG

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Tudor Investment Corp's CCOI Position: Q2 2026 in Review

Tudor Investment Corp reduced its Cogent Communications (CCOI) stake by 0.3% in Q2 2026, selling an estimated $7.8K and leaving 139,269 shares worth $1.93M. The position accounts for ﹤0.01% of the portfolio, ranked #1967.

Tudor Investment Corp first reported a position in CCOI in Q1 2014 and has held it in 9 quarters since. The position peaked at $2.63M in Q1 2026. 224 funds tracked by Wall St. Rank hold CCOI as of Q2 2026.

Tudor Investment Corp held 139,269 shares of Cogent Communications worth $1.93M as of Q2 2026.
Tudor Investment Corp sold 423 Cogent Communications shares in Q2 2026, an estimated $7.8K.
Cogent Communications made up ﹤0.01% of Tudor Investment Corp's portfolio in Q2 2026, its #1967 holding.
Tudor Investment Corp first reported a position in Cogent Communications in Q1 2014 and has held it in 9 quarters since.
Tudor Investment Corp's Cogent Communications position peaked at $2.63M in Q1 2026.
224 funds tracked by Wall St. Rank held Cogent Communications as of Q2 2026.

Based on Tudor Investment Corp's 13F filing for Q2 2026, filed 14 Aug 2026.