Jane Street
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Jane Street’s Cogent Communications CCOI Stock Holding History

Jane Street’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 		$1.04M Sell
74,600
-331,000
-82% -$6.1M ﹤0.01% 6479
2026
Q1 		$7.64M Buy
405,600
+265,800
+190% +$5.86M ﹤0.01% 2886
2025
Q4 		$3.01M Buy
139,800
+129,400
+1,244% +$3.82M ﹤0.01% 4030
2025
Q3 		$399K Buy
10,400
+4,200
+68% +$175K ﹤0.01% 8327
2025
Q2 		$299K Buy
6,200
+1,500
+32% +$76.2K ﹤0.01% 7868
2025
Q1 		$288K Buy
+4,700
New +$347K ﹤0.01% 7877
2024
Q4 		– Sell
-70,400
Closed -$5.34M – 9476
2024
Q3 		$5.34M Buy
70,400
+29,500
+72% +$2.03M ﹤0.01% 2749
2024
Q2 		$2.31M Buy
+40,900
New +$2.44M ﹤0.01% 4238
2024
Q1 		– Sell
-6,700
Closed -$510K – 9249
2023
Q4 		$510K Sell
6,700
-3,600
-35% -$240K ﹤0.01% 6724
2023
Q3 		$638K Buy
+10,300
New +$674K ﹤0.01% 5891
2022
Q4 		– Sell
-11,900
Closed -$621K – 9212
2022
Q3 		$621K Buy
11,900
+8,000
+205% +$461K ﹤0.01% 6278
2022
Q2 		$237K Sell
3,900
-1,500
-28% -$92.3K ﹤0.01% 7957
2022
Q1 		$358K Sell
5,400
-1,900
-26% -$122K ﹤0.01% 8088
2021
Q4 		$534K Sell
7,300
-15,300
-68% -$1.15M ﹤0.01% 7133
2021
Q3 		$1.6M Buy
22,600
+600
+3% +$44.6K ﹤0.01% 4943
2021
Q2 		$1.69M Buy
22,000
+5,500
+33% +$408K ﹤0.01% 4678
2021
Q1 		$1.14M Buy
16,500
+5,900
+56% +$361K ﹤0.01% 5217
2020
Q4 		$635K Buy
+10,600
New +$627K ﹤0.01% 5376
2020
Q3 		– Sell
-3,800
Closed -$294K – 7178
2020
Q2 		$294K Buy
+3,800
New +$308K ﹤0.01% 5863

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

Jane Street's CCOI Position: Q2 2026 in Review

Jane Street reduced its Cogent Communications (CCOI) stake by 75% in Q2 2026, selling an estimated $3.83M and leaving 69,619 shares worth $966K. The position accounts for ﹤0.01% of the portfolio, ranked #6624.

Jane Street first reported a position in CCOI in Q1 2014 and has held it in 27 quarters since. The position peaked at $16.7M in Q3 2025. 224 funds tracked by Wall St. Rank hold CCOI as of Q2 2026.

  • Jane Street held 69,619 shares of Cogent Communications worth $966K as of Q2 2026.
  • Jane Street sold 207,867 Cogent Communications shares in Q2 2026, an estimated $3.83M.
  • Cogent Communications made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #6624 holding.
  • Jane Street first reported a position in Cogent Communications in Q1 2014 and has held it in 27 quarters since.
  • Jane Street's Cogent Communications position peaked at $16.7M in Q3 2025.
  • 224 funds tracked by Wall St. Rank held Cogent Communications as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.