Cogent Communications Ownership | Who Owns Cogent Communications?

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Cogent Communications Ownership Summary

Cogent Communications is owned by 41.01% institutional investors, 2.72% insiders, and 56.26% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 15.11% of CCOI shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.78% of its assets in Cogent Communications shares.

CCOI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cogent Communications	41.01%	2.72%	56.26%
Sector	Communication Services Stocks	26.03%	16.24%	57.73%
Industry	Telecom Stocks	25.56%	13.97%	60.47%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	7.19M	15.11%	$155.04M
Blackrock	6.81M	14.37%	$384.60M
Vanguard group	5.58M	11.72%	$120.31M
Turtle creek asset management	4.60M	9.67%	$176.56M
Edgepoint investment group	2.28M	4.79%	$87.51M
State street	1.94M	4.07%	$74.31M
Invesco	1.40M	2.95%	$53.79M
Magnolia group	1.29M	2.69%	$24.31M
Morgan stanley	1.25M	2.63%	$27.00M
Geode capital management	1.18M	2.48%	$25.43M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Harspring capital management	875.00K	12.85%	$33.56M
14b captial management lp	449.63K	10.09%	$17.24M
Palliser capital (uk)	426.18K	6.26%	$9.19M
Turtle creek asset management	4.60M	5.33%	$176.56M
Magnolia group	1.29M	4.52%	$24.31M
Broad run investment management	644.03K	4.04%	$24.70M
Newtyn management	700.00K	3.29%	$26.84M
Beaconlight capital	92.91K	1.76%	$3.56M
Boston financial mangement	596.82K	1.39%	$46.00M
683 capital management	650.00K	1.30%	$24.93M

Top Buyers

Holder	Shares	% Assets	Change
Turtle creek asset management	4.60M	5.33%	1.81M
Invesco	1.40M	0.01%	399.34K
683 capital management	650.00K	1.30%	370.00K
Vanguard fiduciary trust	334.43K	0.00%	334.43K
Blackrock funding, inc. /de	7.19M	0.00%	298.92K

Top Sellers

Holder	Shares	% Assets	Change
Hood river capital management	-	-	-1.21M
Mig capital	-	-	-1.03M
Tyro capital management	-	-	-935.29K
Westwood group	-	-	-673.92K
Fmr	223.37K	0.00%	-671.48K

New Positions

Holder	Shares	% Assets	Change	Value
Vanguard fiduciary trust	334.43K	0.00%	334.43K	$6.30M
Herald investment management	242.60K	1.24%	242.60K	$9.30M
Gilder gagnon howe	172.49K	0.07%	172.49K	$6.61M
Nishkama capital	105.70K	0.10%	105.70K	$4.05M
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
Sound income strategies	-1.00
Mendota financial group	-3.00
Dinuzzo private wealth	-3.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	116	-60.27%	19,523,623	-61.58%	41	0.36%	60	-63.64%	36	-54.43%
Sep 30, 2025	137	-54.33%	21,877,460	-53.13%	45	0.48%	72	-51.35%	43	-59.43%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	2.90M	5.78%	738.00
EdgePoint Global Growth & Inc Port Sr F	1.92M	3.83%	-
EdgePoint Global Growth and Income	1.92M	3.83%	-
Vanguard Total Stock Mkt Idx Inv	1.54M	3.08%	-
Vanguard US Total Market Shares ETF	1.39M	2.82%	1.60K
First Trust NASDAQ Technology Div ETF	1.17M	2.33%	-
iShares Russell 2000 ETF	1.15M	2.30%	9.68K
Vanguard Small Cap Index	1.10M	2.19%	-17.57K
American Funds SMALLCAP World A	955.29K	1.94%	-
Invesco High Yield Eq Div Achiev™ ETF	812.71K	1.65%	-1.38K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 06, 2026	KILMER HENRY W	VP OF NETWORK STRATEGY	Sell	$56.04K
Mar 05, 2026	FERGUSON Lewis H	-	Sell	$50.80K
Mar 05, 2026	Kennedy Sheryl Lynn	-	Sell	$75.87K
Mar 05, 2026	WEED THADDEUS GERARD	VICE PRESIDENT, CFO	Sell	$109.76K
Dec 11, 2025	WEED THADDEUS GERARD	VICE PRESIDENT, CFO	Sell	$175.13K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	-	4
2025 Q4	-	5
2025 Q3	-	5
2025 Q2	-	43

CCOI Ownership FAQ

Who Owns Cogent Communications?

Cogent Communications shareholders are primarily institutional investors at 41.01%, followed by 2.72% insiders and 56.27% retail investors. The average institutional ownership in Cogent Communications's industry, Telecom Stocks , is 25.56%, which Cogent Communications exceeds.

Who owns the most shares of Cogent Communications?

Cogent Communications’s largest shareholders are Blackrock funding, inc. /de (7.19M shares, 15.11%), Blackrock (6.81M shares, 14.37%), and Vanguard group (5.58M shares, 11.72%). Together, they hold 41.20% 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 12.85% of its assets in 875K Cogent Communications shares, valued at 33.56M$.

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 5.78% of its total shares outstanding invested in 2.9M Cogent Communications shares.

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