Boothbay Fund Management’s Cogent Communications CCOI Stock Holding History

Boothbay Fund 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
2026 Q2	$1.64M	Sell	118,403 -260,526	-69%	-$4.8M	0.02%	815
2026 Q1	$7.14M	Buy	378,929 +158,901	+72%	+$3.5M	0.09%	216
2025 Q4	$4.74M	Sell	220,028 -92,598	-30%	-$2.73M	0.07%	305
2025 Q3	$12M	Buy	312,626 +172,676	+123%	+$7.21M	0.17%	118
2025 Q2	$6.75M	Buy	139,950 +30,486	+28%	+$1.55M	0.13%	215
2025 Q1	$6.71M	Sell	109,464 -6,378	-6%	-$470K	0.18%	155
2024 Q4	$8.93M	Buy	115,842 +34,650	+43%	+$2.76M	0.22%	120
2024 Q3	$6.16M	Buy	+81,192	New	+$5.59M	0.14%	190
2024 Q1	–	Sell	-9,100	Closed	-$692K	–	1602
2023 Q4	$692K	Buy	+9,100	New	+$608K	0.02%	859
2015 Q3	–	Sell	-10,048	Closed	-$340K	–	473
2015 Q2	$340K	Buy	10,048 +1,636	+19%	+$54.8K	0.14%	170
2015 Q1	$297K	Buy	+8,412	New	+$308K	0.2%	144

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

Boothbay Fund Management's CCOI Position: Q2 2026 in Review

Boothbay Fund Management reduced its Cogent Communications (CCOI) stake by 69% in Q2 2026, selling an estimated $4.8M and leaving 118,403 shares worth $1.64M. The position accounts for 0.02% of the portfolio, ranked #815.

Boothbay Fund Management first reported a position in CCOI in Q1 2015 and has held it in 11 quarters since. The position peaked at $12M in Q3 2025. 224 funds tracked by Wall St. Rank hold CCOI as of Q2 2026.

Boothbay Fund Management held 118,403 shares of Cogent Communications worth $1.64M as of Q2 2026.
Boothbay Fund Management sold 260,526 Cogent Communications shares in Q2 2026, an estimated $4.8M.
Cogent Communications made up 0.02% of Boothbay Fund Management's portfolio in Q2 2026, its #815 holding.
Boothbay Fund Management first reported a position in Cogent Communications in Q1 2015 and has held it in 11 quarters since.
Boothbay Fund Management's Cogent Communications position peaked at $12M in Q3 2025.
224 funds tracked by Wall St. Rank held Cogent Communications as of Q2 2026.

Based on Boothbay Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.