RhumbLine Advisers’s Cogent Communications CCOI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$2.6M Buy
137,920
+459
+0.3% +$10.1K ﹤0.01% 1724
2025
Q4
$2.96M Buy
137,461
+196
+0.1% +$5.79K ﹤0.01% 1665
2025
Q3
$5.26M Buy
137,265
+6,118
+5% +$255K ﹤0.01% 1415
2025
Q2
$6.32M Buy
131,147
+7,127
+6% +$362K 0.01% 1293
2025
Q1
$7.6M Buy
124,020
+1,273
+1% +$93.9K 0.01% 1143
2024
Q4
$9.46M Sell
122,747
-1,903
-2% -$152K 0.01% 1084
2024
Q3
$9.46M Sell
124,650
-4,016
-3% -$277K 0.01% 1087
2024
Q2
$7.26M Sell
128,666
-2,662
-2% -$159K 0.01% 1186
2024
Q1
$8.58M Sell
131,328
-1,935
-1% -$141K 0.01% 1128
2023
Q4
$10.1M Sell
133,263
-3,801
-3% -$254K 0.01% 1050
2023
Q3
$8.48M Sell
137,064
-2,033
-1% -$133K 0.01% 1070
2023
Q2
$9.36M Sell
139,097
-4,825
-3% -$315K 0.01% 1042
2023
Q1
$9.17M Buy
143,922
+5,690
+4% +$366K 0.01% 997
2022
Q4
$7.89M Buy
138,232
+2,782
+2% +$153K 0.01% 1048
2022
Q3
$7.07M Buy
135,450
+5,558
+4% +$320K 0.01% 1071
2022
Q2
$7.89M Buy
129,892
+10,723
+9% +$660K 0.01% 1020
2022
Q1
$7.91M Buy
119,169
+5,483
+5% +$352K 0.01% 1061
2021
Q4
$8.32M Sell
113,686
-1,148
-1% -$86.3K 0.01% 1083
2021
Q3
$8.13M Sell
114,834
-16,440
-13% -$1.22M 0.01% 1074
2021
Q2
$10.1M Sell
131,274
-2,603
-2% -$193K 0.01% 993
2021
Q1
$9.21M Sell
133,877
-838
-0.6% -$51.3K 0.01% 1047
2020
Q4
$8.06M Buy
134,715
+6,929
+5% +$410K 0.01% 1062
2020
Q3
$7.67M Sell
127,786
-13,602
-10% -$992K 0.01% 906
2020
Q2
$10.9M Sell
141,388
-6,705
-5% -$543K 0.02% 731
2020
Q1
$12.1M Sell
148,093
-289
-0.2% -$21.9K 0.03% 576
2019
Q4
$9.77M Buy
148,382
+8,812
+6% +$532K 0.02% 845
2019
Q3
$7.69M Buy
139,570
+3,265
+2% +$195K 0.01% 929
2019
Q2
$8.09M Buy
136,305
+4,165
+3% +$239K 0.02% 906
2019
Q1
$7.17M Buy
132,140
+751
+0.6% +$37K 0.01% 959
2018
Q4
$5.94M Buy
131,389
+21,235
+19% +$1.05M 0.01% 1001
2018
Q3
$6.15M Sell
110,154
-2,897
-3% -$155K 0.01% 974
2018
Q2
$6.04M Buy
113,051
+2,976
+3% +$148K 0.01% 975
2018
Q1
$4.78M Buy
110,075
+1,970
+2% +$86.5K 0.01% 1069
2017
Q4
$4.9M Buy
108,105
+13,225
+14% +$630K 0.01% 1078
2017
Q3
$4.64M Buy
94,880
+1,486
+2% +$65.8K 0.01% 1086
2017
Q2
$3.75M Sell
93,394
-1,208
-1% -$50K 0.01% 1183
2017
Q1
$4.07M Buy
94,602
+22,264
+31% +$928K 0.01% 1133
2016
Q4
$2.99M Buy
72,338
+1,024
+1% +$39.1K 0.01% 1211
2016
Q3
$2.63M Buy
71,314
+3,105
+5% +$120K 0.01% 1240
2016
Q2
$2.73M Sell
68,209
-1,366
-2% -$53.6K 0.01% 1163
2016
Q1
$2.72M Buy
69,575
+9,435
+16% +$327K 0.01% 1176
2015
Q4
$2.09M Buy
60,140
+1,605
+3% +$51.9K 0.01% 1326
2015
Q3
$1.59M Buy
58,535
+2,523
+5% +$74.5K 0.01% 1469
2015
Q2
$1.9M Sell
56,012
-2,570
-4% -$86.1K 0.01% 1455
2015
Q1
$2.07M Buy
58,582
+7,475
+15% +$273K 0.01% 1378
2014
Q4
$1.81M Sell
51,107
-2,731
-5% -$91.5K 0.01% 1418
2014
Q3
$1.81M Sell
53,838
-110
-0.2% -$3.76K 0.01% 1387
2014
Q2
$1.86M Sell
53,948
-2,400
-4% -$84.9K 0.01% 1421
2014
Q1
$2M Sell
56,348
-2,560
-4% -$100K 0.01% 1346
2013
Q4
$2.38M Hold
58,908
0.01% 1263
2013
Q3
$1.9M Sell
58,908
-877
-1% -$26.9K 0.01% 1385
2013
Q2
$1.68M Buy
+59,785
New +$1.67M 0.01% 1436

Other funds holding CCOI

RhumbLine Advisers's CCOI Position: Q1 2026 in Review

RhumbLine Advisers increased its Cogent Communications (CCOI) stake by 0.33% in Q1 2026, buying an estimated $10.1K and bringing the position to 137,920 shares worth $2.6M. The position accounts for ﹤0.01% of the portfolio, ranked #1724.

RhumbLine Advisers first reported a position in CCOI in Q2 2013 and has held it in 52 quarters since. The position peaked at $12.1M in Q1 2020. 233 funds tracked by Wall St. Rank hold CCOI as of Q1 2026.

  • RhumbLine Advisers held 137,920 shares of Cogent Communications worth $2.6M as of Q1 2026.
  • RhumbLine Advisers bought 459 Cogent Communications shares in Q1 2026, an estimated $10.1K.
  • Cogent Communications made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #1724 holding.
  • RhumbLine Advisers first reported a position in Cogent Communications in Q2 2013 and has held it in 52 quarters since.
  • RhumbLine Advisers's Cogent Communications position peaked at $12.1M in Q1 2020.
  • 233 funds tracked by Wall St. Rank held Cogent Communications as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.