Cogent Communications Ownership | Who Owns Cogent Communications?

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Cogent Communications Ownership Summary

Cogent Communications is owned by 100.01% institutional investors, 2.44% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 14.48% of CCOI shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.13% of its assets in Cogent Communications shares.

CCOI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cogent Communications	100.01%	2.44%	-2.46%
Sector	Communication Services Stocks	46.93%	16.68%	36.39%
Industry	Telecom Stocks	41.38%	12.03%	46.60%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	6.89M	14.48%	$264.31M
Blackrock	6.81M	14.37%	$384.60M
Vanguard group	5.36M	11.27%	$205.66M
Turtle creek asset management	2.79M	5.87%	$134.64M
Edgepoint investment group	2.28M	4.79%	$109.89M
State street	1.84M	3.87%	$141.54M
Brown advisory	1.45M	3.06%	$70.10M
Magnolia group	1.27M	2.67%	$48.79M
Geode capital management	1.15M	2.41%	$44.01M
Mig capital	1.03M	2.16%	$49.62M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Harspring capital management	854.80K	14.50%	$41.21M
Tyro capital management	636.89K	12.04%	$30.70M
14b captial management lp	504.00K	9.98%	$24.30M
Magnolia group	1.27M	7.74%	$48.79M
Mig capital	1.03M	5.12%	$49.62M
Broad run investment management	677.89K	5.01%	$32.68M
Newtyn management	625.00K	4.57%	$30.13M
Turtle creek asset management	2.79M	3.91%	$134.64M
Beaconlight capital	126.74K	3.49%	$6.11M
Digitalbridge group	582.97K	2.77%	$28.11M

Top Buyers

Holder	Shares	% Assets	Change
Turtle creek asset management	2.79M	3.91%	2.63M
Jpmorgan chase	539.77K	0.00%	424.75K
Blackrock funding, inc. /de	6.89M	0.00%	411.55K
Qube research	687.84K	0.03%	406.13K
First trust advisors lp	630.21K	0.02%	288.08K

Top Sellers

Holder	Shares	% Assets	Change
Hood river capital management	-	-	-1.21M
Thrivent financial for lutherans	34.29K	0.00%	-957.06K
Westwood group	-	-	-673.92K
Reaves w h	423.10K	0.29%	-396.86K
Digitalbridge group	582.97K	2.77%	-392.10K

New Positions

Holder	Shares	% Assets	Change	Value
Herald investment management	242.60K	1.24%	242.60K	$9.30M
Park west asset management	221.30K	0.81%	221.30K	$10.67M
Blackbarn capital partners lp	190.00K	0.74%	190.00K	$11.65M
Centerbook partners lp	169.76K	0.32%	169.76K	$6.51M
Madison investment advisors	82.16K	0.07%	82.16K	$6.33M

Sold Out

Holder	Change
Cbiz investment advisory services	-1.00
Psi advisors	-1.00
Sjs investment consulting	-1.00
Dinuzzo private wealth	-3.00
Mendota financial group	-3.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	308	-6.95%	47,599,474	3.49%	100	1.07%	152	2.70%	108	-8.47%
Mar 31, 2025	19	-94.24%	6,551,118	-85.91%	13	0.14%	13	-91.28%	4	-96.55%
Dec 31, 2024	206	-38.51%	25,852,721	-44.11%	54	0.57%	89	-39.04%	76	-35.59%
Sep 30, 2024	334	4.05%	46,257,589	0.71%	97	1.04%	147	-	115	3.60%
Jun 30, 2024	316	-1.56%	45,906,266	3.10%	96	1.10%	146	-1.35%	109	-9.17%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	2.52M	5.13%	-
EdgePoint Global Growth and Income	1.92M	3.90%	220.41K
EdgePoint Global Growth & Inc Port Sr F	1.92M	3.90%	220.41K
Vanguard Total Stock Mkt Idx Inv	1.39M	2.83%	-29.23K
Vanguard US Total Market Shares ETF	1.39M	2.82%	1.60K
Vanguard Small Cap Index	1.08M	2.20%	-4.20K
iShares Russell 2000 ETF	1.08M	2.19%	-
American Funds SMALLCAP World A	955.29K	1.94%	-
Invesco High Yield Eq Div Achiev™ ETF	812.71K	1.65%	-1.38K
Thrivent Small Cap Stock A	703.14K	1.43%	19.03K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 11, 2025	Kennedy Sheryl Lynn	-	Sell	$51.22K
Sep 05, 2025	KILMER HENRY W	VP OF NETWORK STRATEGY	Sell	$88.78K
Sep 02, 2025	WEED THADDEUS GERARD	VICE PRESIDENT, CFO	Sell	$181.20K
Aug 21, 2025	Kennedy Sheryl Lynn	-	Sell	$72.70K
Aug 08, 2025	SCHAEFFER DAVE	CHAIRMAN, CEO, AND PRESIDENT	Sell	$22.52M

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	1
2025 Q3	-	5
2025 Q2	-	43
2025 Q1	-	6
2024 Q4	-	12

CCOI Ownership FAQ

Who Owns Cogent Communications?

Cogent Communications shareholders are primarily institutional investors at 100.01%, followed by 2.44% insiders and -2.45% retail investors. The average institutional ownership in Cogent Communications's industry, Telecom Stocks , is 41.38%, which Cogent Communications exceeds.

Who owns the most shares of Cogent Communications?

Cogent Communications’s largest shareholders are Blackrock funding, inc. /de (6.89M shares, 14.48%), Blackrock (6.81M shares, 14.37%), and Vanguard group (5.36M shares, 11.27%). Together, they hold 40.12% of Cogent Communications’s total shares outstanding.

Does Blackrock own Cogent Communications?

Yes, BlackRock owns 14.37% of Cogent Communications, totaling 6.81M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 384.6M$. In the last quarter, BlackRock decreased its holdings by -282K shares, a -3.97% change.

Who is Cogent Communications’s biggest shareholder by percentage of total assets invested?

Harspring capital management is Cogent Communications’s biggest shareholder by percentage of total assets invested, with 14.50% of its assets in 854.8K Cogent Communications shares, valued at 41.21M$.

Who is the top mutual fund holder of Cogent Communications shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Cogent Communications shares, with 5.13% of its total shares outstanding invested in 2.52M Cogent Communications shares.

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