Capital World Investors’s Cogent Communications CCOI Stock Holding History

Capital World Investors’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
2025 Q4	–	Sell	-528,382	Closed	-$20.3M	–	580
2025 Q3	$20.3M	Sell	528,382 -426,906	-45%	-$17.8M	﹤0.01%	481
2025 Q2	$46.1M	Hold	955,288	–	–	0.01%	417
2025 Q1	$58.6M	Sell	955,288 -26,335	-3%	-$1.94M	0.01%	377
2024 Q4	$75.7M	Hold	981,623	–	–	0.01%	370
2024 Q3	$74.5M	Hold	981,623	–	–	0.01%	362
2024 Q2	$55.4M	Hold	981,623	–	–	0.01%	379
2024 Q1	$64.1M	Buy	981,623 +752,133	+328%	+$54.9M	0.01%	376
2023 Q4	$17.5M	Buy	+229,490	New	+$15.3M	﹤0.01%	451
2020 Q2	–	Sell	-565,000	Closed	-$46.3M	–	535
2020 Q1	$46.3M	Hold	565,000	–	–	0.01%	339
2019 Q4	$37.2M	Hold	565,000	–	–	0.01%	368
2019 Q3	$31.1M	Hold	565,000	–	–	0.01%	374
2019 Q2	$33.5M	Hold	565,000	–	–	0.01%	382
2019 Q1	$30.7M	Hold	565,000	–	–	0.01%	387
2018 Q4	$25.5M	Hold	565,000	–	–	0.01%	407
2018 Q3	$31.5M	Hold	565,000	–	–	0.01%	420
2018 Q2	$30.2M	Hold	565,000	–	–	0.01%	419
2018 Q1	$24.5M	Hold	565,000	–	–	0.01%	414
2017 Q4	$25.6M	Hold	565,000	–	–	0.01%	405
2017 Q3	$27.6M	Hold	565,000	–	–	0.01%	396
2017 Q2	$22.7M	Hold	565,000	–	–	0.01%	416
2017 Q1	$24.3M	Hold	565,000	–	–	0.01%	406
2016 Q4	$23.4M	Sell	565,000 -535,718	-49%	-$20.4M	0.01%	388
2016 Q3	$40.5M	Sell	1,100,718 -34,282	-3%	-$1.32M	0.01%	356
2016 Q2	$45.5M	Hold	1,135,000	–	–	0.01%	339
2016 Q1	$44.3M	Hold	1,135,000	–	–	0.01%	344
2015 Q4	$39.4M	Hold	1,135,000	–	–	0.01%	369
2015 Q3	$30.8M	Hold	1,135,000	–	–	0.01%	384
2015 Q2	$38.4M	Hold	1,135,000	–	–	0.01%	388
2015 Q1	$40.1M	Hold	1,135,000	–	–	0.01%	385
2014 Q4	$40.2M	Hold	1,135,000	–	–	0.01%	386
2014 Q3	$38.1M	Hold	1,135,000	–	–	0.01%	386
2014 Q2	$39.2M	Hold	1,135,000	–	–	0.01%	377
2014 Q1	$40.3M	Hold	1,135,000	–	–	0.01%	369
2013 Q4	$45.9M	Hold	1,135,000	–	–	0.01%	354
2013 Q3	$36.6M	Hold	1,135,000	–	–	0.01%	367
2013 Q2	$31.9M	Buy	+1,135,000	New	+$31.7M	0.01%	368

Other funds holding CCOI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

TCAM

Turtle Creek Asset Management Toronto, Ontario, Canada $2.67B AUM 0.64% 1-Year Est. Return

EIG

EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

PWAM

Park West Asset Management San Francisco, California $1.18B AUM 47.25% 1-Year Est. Return

HCM

Harspring Capital Management New York $190M AUM 19.3% 1-Year Est. Return

Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Magnolia Group Omaha, Nebraska $538M AUM 5.13% 1-Year Est. Return

Capital World Investors's CCOI Position: Q4 2025 in Review

Capital World Investors sold out of Cogent Communications (CCOI) in Q4 2025, closing a stake of 528,382 shares — an estimated $20.3M sold.

Capital World Investors first reported a position in CCOI in Q2 2013 and held it in 36 quarters. The position peaked at $75.7M in Q4 2024. 246 funds tracked by Wall St. Rank hold CCOI as of Q4 2025.

Capital World Investors reported no remaining Cogent Communications position as of Q4 2025 after selling out during the quarter.
Capital World Investors sold 528,382 Cogent Communications shares in Q4 2025, an estimated $20.3M.
Capital World Investors first reported a position in Cogent Communications in Q2 2013 and held it in 36 quarters.
Capital World Investors's Cogent Communications position peaked at $75.7M in Q4 2024.
246 funds tracked by Wall St. Rank held Cogent Communications as of Q4 2025.

Based on Capital World Investors's 13F filing for Q4 2025, filed 11 Feb 2026.