PDT Partners’s Cogent Communications CCOI Stock Holding History

PDT Partners’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	$5.34M	Buy	+283,629	New	+$6.25M	0.32%	102
2022 Q1	–	Sell	-4,048	Closed	-$296K	–	952
2021 Q4	$296K	Buy	+4,048	New	+$304K	0.02%	670
2020 Q3	–	Sell	-6,000	Closed	-$464K	–	732
2020 Q2	$464K	Buy	+6,000	New	+$486K	0.03%	427
2014 Q3	–	Sell	-12,373	Closed	-$427K	–	1330
2014 Q2	$427K	Buy	+12,373	New	+$438K	0.01%	1072
2013 Q4	–	Sell	-33,355	Closed	-$1.08M	–	698
2013 Q3	$1.08M	Buy	33,355 +5,207	+18%	+$160K	0.03%	744
2013 Q2	$792K	Buy	+28,148	New	+$786K	0.02%	899

Other funds holding CCOI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

TCAM

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

EIG

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

PWAM

Park West Asset Management San Francisco, California $1.18B 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

PDT Partners's CCOI Position: Q1 2026 in Review

PDT Partners opened a new position in Cogent Communications (CCOI) in Q1 2026: 283,629 shares worth $5.34M. The stake represents 0.32% of the portfolio and ranks #102 among its holdings. This is a return to the name: PDT Partners previously reported a position in CCOI as recently as Q4 2021.

PDT Partners first reported a position in CCOI in Q2 2013 and has held it in 6 quarters since. 233 funds tracked by Wall St. Rank hold CCOI as of Q1 2026.

PDT Partners held 283,629 shares of Cogent Communications worth $5.34M as of Q1 2026.
Cogent Communications was a new PDT Partners position in Q1 2026.
Cogent Communications made up 0.32% of PDT Partners's portfolio in Q1 2026, its #102 holding.
PDT Partners first reported a position in Cogent Communications in Q2 2013 and has held it in 6 quarters since.
233 funds tracked by Wall St. Rank held Cogent Communications as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.