Group One Trading
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Group One Trading’s Cogent Communications CCOI Stock Holding History

Group One 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
Q2 		$442K Buy
+31,841
New +$587K ﹤0.01% 3609
2026
Q1 		– Sell
-19,707
Closed -$434K – 7722
2025
Q4 		$425K Buy
19,707
+12,819
+186% +$378K ﹤0.01% 3683
2025
Q3 		$264K Buy
+6,888
New +$288K ﹤0.01% 4372
2024
Q4 		– Sell
-763
Closed -$60.8K – 7316
2024
Q3 		$57.9K Buy
763
+747
+4,669% +$51.4K ﹤0.01% 4556
2024
Q2 		$903 Buy
+16
New +$955 ﹤0.01% 6376
2022
Q1 		– Sell
-1,500
Closed -$96.2K – 8071
2021
Q4 		$110K Buy
+1,500
New +$113K ﹤0.01% 5651
2021
Q1 		– Sell
-1,000
Closed -$61.2K – 7602
2020
Q4 		$60K Buy
+1,000
New +$59.1K ﹤0.01% 4891
2020
Q3 		– Sell
-100
Closed -$8K – 6107
2020
Q2 		$8K Buy
+100
New +$8.09K ﹤0.01% 5199
2018
Q3 		– Sell
-81
Closed -$4K – 5211
2018
Q2 		$4K Sell
81
-3,956
-98% -$197K ﹤0.01% 4842
2018
Q1 		$175K Buy
+4,037
New +$177K ﹤0.01% 2882
2016
Q2 		– Sell
-1,181
Closed -$46.4K – 4627
2016
Q1 		$46K Sell
1,181
-34,800
-97% -$1.21M ﹤0.01% 3295
2015
Q4 		$1.25M Sell
35,981
-2,554
-7% -$82.6K 0.01% 1161
2015
Q3 		$1.05M Buy
38,535
+12,750
+49% +$376K 0.01% 1205
2015
Q2 		$873K Buy
25,785
+11,245
+77% +$377K 0.01% 1320
2015
Q1 		$514K Buy
14,540
+14,106
+3,250% +$516K 0.01% 1573
2014
Q4 		$15K Sell
434
-111
-20% -$3.72K ﹤0.01% 4074
2014
Q3 		$18K Sell
545
-1,700
-76% -$58.1K ﹤0.01% 4163
2014
Q2 		$78K Buy
2,245
+100
+5% +$3.54K ﹤0.01% 3206
2014
Q1 		$76K Buy
2,145
+411
+24% +$16.1K ﹤0.01% 3298
2013
Q4 		$70K Sell
1,734
-2,162
-55% -$78.7K ﹤0.01% 3343
2013
Q3 		$126K Buy
3,896
+785
+25% +$24.1K ﹤0.01% 2810
2013
Q2 		$88K Buy
+3,111
New +$86.9K ﹤0.01% 2928

Other funds holding CCOI

BlackRock
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NM
Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Group One Trading's CCOI Position: Q2 2026 in Review

Group One Trading opened a new position in Cogent Communications (CCOI) in Q2 2026: 31,841 shares worth $442K. The stake represents ﹤0.01% of the portfolio and ranks #3609 among its holdings. This is a return to the name: Group One Trading previously reported a position in CCOI as recently as Q4 2025.

Group One Trading first reported a position in CCOI in Q2 2013 and has held it in 22 quarters since. The position peaked at $1.25M in Q4 2015. 224 funds tracked by Wall St. Rank hold CCOI as of Q2 2026.

  • Group One Trading held 31,841 shares of Cogent Communications worth $442K as of Q2 2026.
  • Cogent Communications was a new Group One Trading position in Q2 2026.
  • Cogent Communications made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #3609 holding.
  • Group One Trading first reported a position in Cogent Communications in Q2 2013 and has held it in 22 quarters since.
  • Group One Trading's Cogent Communications position peaked at $1.25M in Q4 2015.
  • 224 funds tracked by Wall St. Rank held Cogent Communications as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.