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 		$1.73M Buy
91,893
+6,998
+8% +$154K ﹤0.01% 1950
2025
Q4 		$1.83M Buy
+84,895
New +$2.51M ﹤0.01% 2050
2025
Q3 		– Sell
-9,803
Closed -$409K – 9128
2025
Q2 		$472K Buy
+9,803
New +$498K ﹤0.01% 3569
2024
Q4 		– Sell
-82,185
Closed -$6.55M – 8586
2024
Q3 		$6.24M Buy
82,185
+31,391
+62% +$2.16M ﹤0.01% 1338
2024
Q2 		$2.87M Buy
+50,794
New +$3.03M ﹤0.01% 1880
2024
Q1 		– Sell
-5,679
Closed -$415K – 8902
2023
Q4 		$431K Buy
5,679
+3,842
+209% +$257K ﹤0.01% 3855
2023
Q3 		$113K Buy
1,837
+1,445
+369% +$94.5K ﹤0.01% 4965
2023
Q2 		$26K Buy
+392
New +$25.6K ﹤0.01% 6487
2022
Q2 		– Sell
-3,897
Closed -$240K – 10033
2022
Q1 		$258K Buy
3,897
+3,660
+1,544% +$235K ﹤0.01% 4762
2021
Q4 		$17K Buy
+237
New +$17.8K ﹤0.01% 8536
2021
Q2 		– Sell
-3,371
Closed -$250K – 10072
2021
Q1 		$0 Buy
+3,371
New +$206K ﹤0.01% 8907
2020
Q4 		– Sell
-1,803
Closed -$107K – 8375
2020
Q3 		$108K Buy
1,803
+740
+70% +$54K ﹤0.01% 4818
2020
Q2 		$82K Buy
+1,063
New +$86K ﹤0.01% 4999
2019
Q2 		– Sell
-1,715
Closed -$98.4K – 7135
2019
Q1 		$93K Buy
+1,715
New +$84.5K ﹤0.01% 4408
2018
Q4 		– Sell
-346
Closed -$17.1K – 7050
2018
Q3 		$19K Buy
+346
New +$18.5K ﹤0.01% 5982
2018
Q1 		– Sell
-575
Closed -$25.2K – 6184
2017
Q4 		$26K Buy
+575
New +$27.4K ﹤0.01% 3057
2016
Q4 		– Sell
-779
Closed -$29.7K – 5871
2016
Q3 		$28K Buy
+779
New +$30.1K ﹤0.01% 2620
2016
Q1 		– Sell
-1,109
Closed -$38.4K – 5613
2015
Q4 		$38K Sell
1,109
-2,335
-68% -$75.5K ﹤0.01% 2135
2015
Q3 		$93K Buy
3,444
+2,881
+512% +$85K 0.01% 1463
2015
Q2 		$19K Buy
+563
New +$18.9K ﹤0.01% 2501

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.