Renaissance Technologies
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Renaissance Technologies’s Cogent Communications CCOI Stock Holding History

Renaissance Technologies’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 		$1.26M Sell
67,131
-21,900
-25% -$483K ﹤0.01% 2141
2025
Q4 		$1.92M Sell
89,031
-98,956
-53% -$2.92M ﹤0.01% 1894
2025
Q3 		$7.21M Sell
187,987
-270,069
-59% -$11.3M 0.01% 1272
2025
Q2 		$22.1M Sell
458,056
-186,359
-29% -$9.46M 0.03% 671
2025
Q1 		$39.5M Sell
644,415
-95,341
-13% -$7.03M 0.06% 397
2024
Q4 		$57M Sell
739,756
-155,400
-17% -$12.4M 0.08% 278
2024
Q3 		$68M Sell
895,156
-191,100
-18% -$13.2M 0.1% 233
2024
Q2 		$61.3M Sell
1,086,256
-349,600
-24% -$20.9M 0.1% 228
2024
Q1 		$93.8M Sell
1,435,856
-175,600
-11% -$12.8M 0.15% 146
2023
Q4 		$123M Sell
1,611,456
-149,100
-8% -$9.96M 0.19% 105
2023
Q3 		$109M Sell
1,760,556
-59,000
-3% -$3.86M 0.19% 113
2023
Q2 		$122M Buy
1,819,556
+10,400
+0.6% +$679K 0.18% 114
2023
Q1 		$115M Sell
1,809,156
-12,482
-0.7% -$803K 0.15% 147
2022
Q4 		$104M Sell
1,821,638
-132,918
-7% -$7.29M 0.14% 147
2022
Q3 		$102M Sell
1,954,556
-357,500
-15% -$20.6M 0.14% 150
2022
Q2 		$140M Buy
2,312,056
+147,700
+7% +$9.09M 0.17% 126
2022
Q1 		$144M Sell
2,164,356
-14,000
-0.6% -$898K 0.17% 119
2021
Q4 		$159M Sell
2,178,356
-59,700
-3% -$4.49M 0.2% 93
2021
Q3 		$159M Sell
2,238,056
-14,600
-0.6% -$1.09M 0.2% 95
2021
Q2 		$173M Sell
2,252,656
-22,600
-1% -$1.68M 0.22% 75
2021
Q1 		$156M Sell
2,275,256
-421,900
-16% -$25.8M 0.19% 96
2020
Q4 		$161M Sell
2,697,156
-452,710
-14% -$26.8M 0.18% 107
2020
Q3 		$189M Sell
3,149,866
-347,500
-10% -$25.4M 0.19% 95
2020
Q2 		$271M Sell
3,497,366
-70,000
-2% -$5.67M 0.23% 80
2020
Q1 		$292M Sell
3,567,366
-21,000
-0.6% -$1.59M 0.28% 73
2019
Q4 		$236M Sell
3,588,366
-27,334
-0.8% -$1.65M 0.18% 116
2019
Q3 		$199M Buy
3,615,700
+192,000
+6% +$11.4M 0.17% 119
2019
Q2 		$203M Buy
3,423,700
+47,300
+1% +$2.71M 0.18% 116
2019
Q1 		$183M Sell
3,376,400
-37,200
-1% -$1.83M 0.17% 137
2018
Q4 		$154M Buy
3,413,600
+41,700
+1% +$2.06M 0.17% 118
2018
Q3 		$188M Buy
3,371,900
+82,500
+3% +$4.42M 0.19% 106
2018
Q2 		$176M Buy
3,289,400
+285,400
+10% +$14.2M 0.19% 100
2018
Q1 		$130M Buy
3,004,000
+228,700
+8% +$10M 0.14% 146
2017
Q4 		$126M Buy
2,775,300
+354,800
+15% +$16.9M 0.14% 144
2017
Q3 		$118M Buy
2,420,500
+361,900
+18% +$16M 0.14% 156
2017
Q2 		$82.5M Buy
2,058,600
+245,100
+14% +$10.2M 0.11% 224
2017
Q1 		$78.1M Buy
1,813,500
+187,400
+12% +$7.81M 0.11% 220
2016
Q4 		$67.2M Buy
1,626,100
+147,000
+10% +$5.61M 0.11% 223
2016
Q3 		$54.4M Sell
1,479,100
-57,200
-4% -$2.21M 0.1% 251
2016
Q2 		$61.5M Sell
1,536,300
-61,600
-4% -$2.42M 0.12% 187
2016
Q1 		$62.4M Buy
1,597,900
+84,400
+6% +$2.93M 0.12% 179
2015
Q4 		$52.5M Sell
1,513,500
-36,852
-2% -$1.19M 0.11% 200
2015
Q3 		$42.1M Buy
1,550,352
+204,352
+15% +$6.03M 0.1% 224
2015
Q2 		$45.5M Buy
1,346,000
+15,000
+1% +$503K 0.1% 212
2015
Q1 		$47M Sell
1,331,000
-76,800
-5% -$2.81M 0.1% 237
2014
Q4 		$49.8M Sell
1,407,800
-118,900
-8% -$3.98M 0.12% 176
2014
Q3 		$51.3M Sell
1,526,700
-143,800
-9% -$4.91M 0.14% 146
2014
Q2 		$57.7M Buy
1,670,500
+12,800
+0.8% +$453K 0.13% 168
2014
Q1 		$58.9M Buy
1,657,700
+197,000
+13% +$7.69M 0.14% 129
2013
Q4 		$59M Buy
1,460,700
+348,600
+31% +$12.7M 0.14% 141
2013
Q3 		$35.9M Buy
1,112,100
+337,500
+44% +$10.4M 0.09% 266
2013
Q2 		$21.8M Buy
+774,600
New +$21.6M 0.06% 421

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

Renaissance Technologies's CCOI Position: Q1 2026 in Review

Renaissance Technologies reduced its Cogent Communications (CCOI) stake by 25% in Q1 2026, selling an estimated $483K and leaving 67,131 shares worth $1.26M. The position accounts for ﹤0.01% of the portfolio, ranked #2141.

Renaissance Technologies first reported a position in CCOI in Q2 2013 and has held it in 52 quarters since. The position peaked at $292M in Q1 2020. 233 funds tracked by Wall St. Rank hold CCOI as of Q1 2026.

  • Renaissance Technologies held 67,131 shares of Cogent Communications worth $1.26M as of Q1 2026.
  • Renaissance Technologies sold 21,900 Cogent Communications shares in Q1 2026, an estimated $483K.
  • Cogent Communications made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #2141 holding.
  • Renaissance Technologies first reported a position in Cogent Communications in Q2 2013 and has held it in 52 quarters since.
  • Renaissance Technologies's Cogent Communications position peaked at $292M in Q1 2020.
  • 233 funds tracked by Wall St. Rank held Cogent Communications as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.