683 Capital Management’s Cogent Communications CCOI Stock Holding History

683 Capital 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	–	Sell	-450,300	Closed	-$8.48M	–	174
2026 Q1	$8.48M	Sell	450,300 -149,700	-25%	-$3.3M	0.44%	51
2025 Q4	$12.9M	Sell	600,000 -50,000	-8%	-$1.48M	0.56%	40
2025 Q3	$24.9M	Buy	650,000 +370,000	+132%	+$15.4M	1.3%	21
2025 Q2	$13.5M	Sell	280,000 -15,000	-5%	-$762K	0.89%	30
2025 Q1	$18.1M	Sell	295,000 -5,000	-2%	-$369K	1.25%	23
2024 Q4	$23.1M	Sell	300,000 -80,000	-21%	-$6.38M	1.43%	18
2024 Q3	$28.8M	Buy	380,000 +5,000	+1%	+$344K	2.19%	10
2024 Q2	$21.2M	Buy	375,000 +160,000	+74%	+$9.55M	1.6%	16
2024 Q1	$14M	Buy	+215,000	New	+$15.7M	1.03%	34

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 $3.37T AUM 44.26% 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 40.91% 1-Year Est. Return

683 Capital Management's CCOI Position: Q2 2026 in Review

683 Capital Management sold out of Cogent Communications (CCOI) in Q2 2026, closing a stake of 450,300 shares — an estimated $8.48M sold.

683 Capital Management first reported a position in CCOI in Q1 2024 and held it in 9 quarters. The position peaked at $28.8M in Q3 2024. 225 funds tracked by Wall St. Rank hold CCOI as of Q2 2026.

683 Capital Management reported no remaining Cogent Communications position as of Q2 2026 after selling out during the quarter.
683 Capital Management sold 450,300 Cogent Communications shares in Q2 2026, an estimated $8.48M.
683 Capital Management first reported a position in Cogent Communications in Q1 2024 and held it in 9 quarters.
683 Capital Management's Cogent Communications position peaked at $28.8M in Q3 2024.
225 funds tracked by Wall St. Rank held Cogent Communications as of Q2 2026.

Based on 683 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.