Simplex Trading
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Simplex Trading’s Cogent Communications CCOI Stock Holding History

Simplex Trading’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 		$384K Buy
20,400
+14,900
+271% +$328K ﹤0.01% 3568
2025
Q4 		$119K Sell
5,500
-52,100
-90% -$1.54M ﹤0.01% 4814
2025
Q3 		$2.21M Buy
57,600
+16,700
+41% +$697K ﹤0.01% 2227
2025
Q2 		$1.97M Buy
40,900
+38,500
+1,604% +$1.96M ﹤0.01% 2127
2025
Q1 		$147K Buy
2,400
+1,000
+71% +$73.7K ﹤0.01% 4640
2024
Q4 		$107K Sell
1,400
-226,000
-99% -$18M ﹤0.01% 5106
2024
Q3 		$17.3M Buy
227,400
+124,700
+121% +$8.59M 0.01% 722
2024
Q2 		$5.8M Buy
102,700
+94,000
+1,080% +$5.61M ﹤0.01% 1347
2024
Q1 		$568K Buy
8,700
+3,700
+74% +$270K ﹤0.01% 3728
2023
Q4 		$380K Buy
5,000
+1,700
+52% +$114K ﹤0.01% 3979
2023
Q3 		$204K Sell
3,300
-300
-8% -$19.6K ﹤0.01% 4328
2023
Q2 		$242K Buy
3,600
+3,300
+1,100% +$216K ﹤0.01% 4079
2023
Q1 		$19K Sell
300
-3,300
-92% -$212K ﹤0.01% 6948
2022
Q4 		$205K Buy
3,600
+2,500
+227% +$137K ﹤0.01% 4196
2022
Q3 		$57K Sell
1,100
-3,600
-77% -$208K ﹤0.01% 6254
2022
Q2 		$285K Sell
4,700
-1,300
-22% -$80K ﹤0.01% 4158
2022
Q1 		$398K Buy
6,000
+5,200
+650% +$334K ﹤0.01% 4147
2021
Q4 		$58K Buy
800
+400
+100% +$30.1K ﹤0.01% 7054
2021
Q3 		$30K Hold
400
– – ﹤0.01% 8079
2021
Q2 		$30K Buy
+400
New +$29.7K ﹤0.01% 8218
2021
Q1 		– Sell
-9
Closed -$53K – 8908
2020
Q4 		$53K Sell
9
-10
-53% -$591 ﹤0.01% 6109
2020
Q3 		$114K Sell
19
-24
-56% -$1.75K ﹤0.01% 4759
2020
Q2 		$332K Buy
43
+41
+2,050% +$3.32K ﹤0.01% 3405
2020
Q1 		$16K Sell
2
-6
-75% -$454 ﹤0.01% 6117
2019
Q4 		$52K Buy
+8
New +$483 ﹤0.01% 5137
2019
Q3 		– Sell
-21
Closed -$124K – 7276
2019
Q2 		$124K Sell
21
-114
-84% -$6.54K ﹤0.01% 3966
2019
Q1 		$732K Buy
135
+67
+99% +$3.3K ﹤0.01% 2266
2018
Q4 		$307K Sell
68
-42
-38% -$2.08K ﹤0.01% 2701
2018
Q3 		$613K Buy
110
+109
+10,900% +$5.84K ﹤0.01% 2411
2018
Q2 		$5K Sell
1
-66
-99% -$3.28K ﹤0.01% 6689
2018
Q1 		$4K Sell
67
-265
-80% -$11.6K ﹤0.01% 4757
2017
Q4 		$16K Buy
+332
New +$15.8K ﹤0.01% 3493
2017
Q3 		– Sell
-33
Closed -$16K – 5932
2017
Q2 		$16K Buy
+33
New +$1.37K ﹤0.01% 3512
2017
Q1 		– Sell
-38
Closed -$1K – 6183
2016
Q4 		$1K Buy
+38
New +$1.45K ﹤0.01% 5323
2016
Q1 		– Sell
-11
Closed -$10K – 5614
2015
Q4 		$10K Sell
11
-30
-73% -$970 ﹤0.01% 3285
2015
Q3 		$21K Buy
41
+26
+173% +$767 ﹤0.01% 2727
2015
Q2 		$1K Buy
+15
New +$503 ﹤0.01% 4580

Other funds holding CCOI

BlackRock
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
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
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
NM
Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return
MG
Magnolia Group Omaha, Nebraska $538M AUM 5.13% 1-Year Est. Return

Simplex Trading's CCOI Position: Q1 2026 in Review

Simplex Trading increased its Cogent Communications (CCOI) stake by 8.2% in Q1 2026, buying an estimated $154K and bringing the position to 91,893 shares worth $1.73M. The position accounts for ﹤0.01% of the portfolio, ranked #1950.

Simplex Trading first reported a position in CCOI in Q2 2015 and has held it in 20 quarters since. The position peaked at $6.24M in Q3 2024. 233 funds tracked by Wall St. Rank hold CCOI as of Q1 2026.

  • Simplex Trading held 91,893 shares of Cogent Communications worth $1.73M as of Q1 2026.
  • Simplex Trading bought 6,998 Cogent Communications shares in Q1 2026, an estimated $154K.
  • Cogent Communications made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #1950 holding.
  • Simplex Trading first reported a position in Cogent Communications in Q2 2015 and has held it in 20 quarters since.
  • Simplex Trading's Cogent Communications position peaked at $6.24M in Q3 2024.
  • 233 funds tracked by Wall St. Rank held Cogent Communications as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.