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 		$4.87M Sell
258,400
-6,100
-2% -$134K ﹤0.01% 1133
2025
Q4 		$5.7M Buy
264,500
+244,800
+1,243% +$7.23M ﹤0.01% 1185
2025
Q3 		$755K Buy
19,700
+9,600
+95% +$401K ﹤0.01% 3340
2025
Q2 		$486K Sell
10,100
-4,100
-29% -$208K ﹤0.01% 3538
2025
Q1 		$870K Sell
14,200
-4,400
-24% -$324K ﹤0.01% 2836
2024
Q4 		$1.43M Sell
18,600
-111,300
-86% -$8.87M ﹤0.01% 2507
2024
Q3 		$9.86M Buy
129,900
+59,700
+85% +$4.11M 0.01% 1044
2024
Q2 		$3.96M Buy
70,200
+58,800
+516% +$3.51M ﹤0.01% 1601
2024
Q1 		$744K Buy
11,400
+700
+7% +$51.1K ﹤0.01% 3434
2023
Q4 		$813K Buy
10,700
+4,600
+75% +$307K ﹤0.01% 3205
2023
Q3 		$377K Buy
6,100
+5,800
+1,933% +$379K ﹤0.01% 3694
2023
Q2 		$20K Sell
300
-3,500
-92% -$229K ﹤0.01% 6761
2023
Q1 		$242K Buy
3,800
+3,700
+3,700% +$238K ﹤0.01% 4108
2022
Q4 		$5K Sell
100
-12,800
-99% -$702K ﹤0.01% 8034
2022
Q3 		$672K Buy
12,900
+4,700
+57% +$271K ﹤0.01% 3120
2022
Q2 		$498K Buy
8,200
+5,400
+193% +$332K ﹤0.01% 3449
2022
Q1 		$185K Buy
2,800
+2,700
+2,700% +$173K ﹤0.01% 5268
2021
Q4 		$7K Sell
100
-7,700
-99% -$579K ﹤0.01% 9279
2021
Q3 		$599K Hold
7,800
– – ﹤0.01% 3822
2021
Q2 		$599K Buy
+7,800
New +$579K ﹤0.01% 3882
2021
Q1 		– Sell
-174
Closed -$1.04M – 8906
2020
Q4 		$1.04M Buy
174
+139
+397% +$8.22K ﹤0.01% 2509
2020
Q3 		$210K Sell
35
-91
-72% -$6.64K ﹤0.01% 4040
2020
Q2 		$974K Buy
126
+87
+223% +$7.04K ﹤0.01% 2177
2020
Q1 		$319K Sell
39
-45
-54% -$3.4K ﹤0.01% 3082
2019
Q4 		$552K Sell
84
-80
-49% -$4.83K ﹤0.01% 2639
2019
Q3 		$903K Buy
164
+101
+160% +$6.02K ﹤0.01% 2027
2019
Q2 		$373K Buy
63
+61
+3,050% +$3.5K ﹤0.01% 2866
2019
Q1 		$10K Sell
2
-62
-97% -$3.05K ﹤0.01% 6142
2018
Q4 		$289K Sell
64
-19
-23% -$940 ﹤0.01% 2761
2018
Q3 		$463K Buy
83
+25
+43% +$1.34K ﹤0.01% 2714
2018
Q2 		$309K Sell
58
-1
-2% -$50 ﹤0.01% 2980
2018
Q1 		$9K Sell
59
-1
-2% -$44 ﹤0.01% 4100
2017
Q4 		$18K Sell
60
-116
-66% -$5.53K ﹤0.01% 3379
2017
Q3 		$91K Sell
176
-80
-31% -$3.54K ﹤0.01% 1792
2017
Q2 		$58K Buy
256
+174
+212% +$7.21K ﹤0.01% 2245
2017
Q1 		$31K Sell
82
-306
-79% -$12.8K ﹤0.01% 2808
2016
Q4 		$91K Buy
+388
New +$14.8K 0.01% 1612
2016
Q3 		– Sell
-128
Closed -$8K – 5831
2016
Q2 		$8K Buy
128
+122
+2,033% +$4.79K ﹤0.01% 3781
2016
Q1 		$2K Sell
6
-11
-65% -$381 ﹤0.01% 4673
2015
Q4 		$3K Sell
17
-55
-76% -$1.78K ﹤0.01% 4198
2015
Q3 		$1K Buy
+72
New +$2.13K ﹤0.01% 4940
2015
Q2 		– Sell
-23
Closed -$2K – 5213
2015
Q1 		$2K Sell
23
-1
-4% -$37 ﹤0.01% 4058
2014
Q4 		$5K Buy
+24
New +$804 ﹤0.01% 3059

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.