California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Cogent Communications CCOI Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$861K Sell
45,714
-363
-0.8% -$8K ﹤0.01% 1861
2025
Q4 		$993K Buy
46,077
+197
+0.4% +$5.82K ﹤0.01% 1802
2025
Q3 		$1.76M Buy
45,880
+5,737
+14% +$240K ﹤0.01% 1466
2025
Q2 		$1.94M Sell
40,143
-2,612
-6% -$133K ﹤0.01% 1385
2025
Q1 		$2.62M Sell
42,755
-613
-1% -$45.2K ﹤0.01% 1194
2024
Q4 		$3.34M Buy
43,368
+1,636
+4% +$130K ﹤0.01% 1100
2024
Q3 		$3.17M Sell
41,732
-1,404
-3% -$96.7K ﹤0.01% 1140
2024
Q2 		$2.43M Sell
43,136
-638
-1% -$38.1K ﹤0.01% 1266
2024
Q1 		$2.86M Sell
43,774
-2,614
-6% -$191K ﹤0.01% 1200
2023
Q4 		$3.53M Sell
46,388
-1,609
-3% -$107K ﹤0.01% 1099
2023
Q3 		$2.97M Sell
47,997
-4,706
-9% -$308K ﹤0.01% 1160
2023
Q2 		$3.55M Sell
52,703
-1,262
-2% -$82.4K 0.01% 1155
2023
Q1 		$3.44M Sell
53,965
-809
-1% -$52K 0.01% 1148
2022
Q4 		$3.13M Buy
54,774
+664
+1% +$36.4K ﹤0.01% 1213
2022
Q3 		$2.82M Sell
54,110
-1,245
-2% -$71.8K ﹤0.01% 1239
2022
Q2 		$3.36M Buy
55,355
+802
+1% +$49.4K 0.01% 1194
2022
Q1 		$3.62M Sell
54,553
-4,951
-8% -$318K ﹤0.01% 1247
2021
Q4 		$4.36M Buy
59,504
+1,471
+3% +$111K 0.01% 1243
2021
Q3 		$4.11M Sell
58,033
-766
-1% -$56.9K 0.01% 1271
2021
Q2 		$4.52M Sell
58,799
-5,312
-8% -$394K 0.01% 1240
2021
Q1 		$4.41M Sell
64,111
-322
-0.5% -$19.7K 0.01% 1273
2020
Q4 		$3.86M Buy
64,433
+113
+0.2% +$6.68K 0.01% 1258
2020
Q3 		$3.86M Buy
64,320
+236
+0.4% +$17.2K 0.01% 1102
2020
Q2 		$4.96M Sell
64,084
-412
-0.6% -$33.3K 0.01% 959
2020
Q1 		$5.29M Sell
64,496
-320
-0.5% -$24.2K 0.01% 797
2019
Q4 		$4.27M Sell
64,816
-644
-1% -$38.9K 0.01% 1107
2019
Q3 		$3.61M Buy
65,460
+782
+1% +$46.6K 0.01% 1177
2019
Q2 		$3.84M Buy
64,678
+541
+0.8% +$31.1K 0.01% 1159
2019
Q1 		$3.48M Sell
64,137
-1,426
-2% -$70.2K 0.01% 1186
2018
Q4 		$2.96M Buy
65,563
+1,478
+2% +$73.1K 0.01% 1212
2018
Q3 		$3.58M Sell
64,085
-22
-0% -$1.18K 0.01% 1235
2018
Q2 		$3.42M Buy
64,107
+87
+0.1% +$4.32K 0.01% 1254
2018
Q1 		$2.78M Sell
64,020
-1,587
-2% -$69.6K 0.01% 1319
2017
Q4 		$2.97M Sell
65,607
-988
-1% -$47.1K 0.01% 1319
2017
Q3 		$3.26M Sell
66,595
-7,161
-10% -$317K 0.01% 1267
2017
Q2 		$2.96M Sell
73,756
-8,123
-10% -$336K 0.01% 1363
2017
Q1 		$3.52M Sell
81,879
-3,800
-4% -$158K 0.01% 1298
2016
Q4 		$3.54M Sell
85,679
-2,400
-3% -$91.5K 0.01% 1322
2016
Q3 		$3.24M Buy
88,079
+900
+1% +$34.7K 0.01% 1345
2016
Q2 		$3.49M Sell
87,179
-10,661
-11% -$418K 0.01% 1245
2016
Q1 		$3.82M Buy
97,840
+12,458
+15% +$432K 0.01% 1191
2015
Q4 		$2.96M Buy
85,382
+1,378
+2% +$44.5K 0.01% 1291
2015
Q3 		$2.28M Sell
84,004
-100
-0.1% -$2.95K 0.01% 1448
2015
Q2 		$2.85M Sell
84,104
-1,156
-1% -$38.7K 0.01% 1394
2015
Q1 		$3.01M Sell
85,260
-1,400
-2% -$51.2K 0.01% 1329
2014
Q4 		$3.07M Buy
86,660
+668
+0.8% +$22.4K 0.01% 1320
2014
Q3 		$2.89M Buy
85,992
+888
+1% +$30.3K 0.01% 1315
2014
Q2 		$2.94M Sell
85,104
-800
-0.9% -$28.3K 0.01% 1353
2014
Q1 		$3.05M Buy
85,904
+400
+0.5% +$15.6K 0.01% 1239
2013
Q4 		$3.46M Buy
85,504
+600
+0.7% +$21.8K 0.01% 1150
2013
Q3 		$2.74M Buy
84,904
+2,639
+3% +$81K 0.01% 1262
2013
Q2 		$2.32M Buy
+82,265
New +$2.3M 0.01% 1292

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

California State Teachers Retirement System (CalSTRS)'s CCOI Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Cogent Communications (CCOI) stake by 0.79% in Q1 2026, selling an estimated $8K and leaving 45,714 shares worth $861K. The position accounts for ﹤0.01% of the portfolio, ranked #1861.

California State Teachers Retirement System (CalSTRS) first reported a position in CCOI in Q2 2013 and has held it in 52 quarters since. The position peaked at $5.29M in Q1 2020. 233 funds tracked by Wall St. Rank hold CCOI as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 45,714 shares of Cogent Communications worth $861K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 363 Cogent Communications shares in Q1 2026, an estimated $8K.
  • Cogent Communications made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #1861 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Cogent Communications in Q2 2013 and has held it in 52 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Cogent Communications position peaked at $5.29M in Q1 2020.
  • 233 funds tracked by Wall St. Rank held Cogent Communications as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.