Companies / Cogent Communications Holdings, Inc.
Cogent Communications Holdings, Inc.
Financials · FY2017
Ownership
51.2M shares outstanding · as of Jul 31, 2026
Ownership
| Insiders | 5.23% | 2,680,060 |
| 10%+ / strategic | 24.68% | 12,638,935 |
| Institutions | 79.32% | 40,623,514 |
| Public float | 0.00% | 0 |
Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 12
View all →| Insider | % of shares | Shares |
|---|---|---|
Schaeffer DaveCEOCHAIRMAN, CEO, AND PRESIDENT · Director | 3.65% | 1,868,133 |
Weed Thaddeus GerardVICE PRESIDENT, CFO | 0.39% | 197,900 |
Chang John B.VP & CHIEF LEGAL OFFICER | 0.37% | 188,847 |
Harris Mark AndrewVP & Chief Revenue Officer | 0.22% | 110,168 |
Montagner MarcDirector | 0.19% | 99,842 |
Brooks Steven DDirector | 0.11% | 55,248 |
Kilmer Henry WVP OF NETWORK STRATEGY | 0.08% | 38,600 |
de Sa PaulDirector | 0.06% | 30,347 |
Howell Deneen CDirector | 0.06% | 28,885 |
FERGUSON Lewis HDirector | 0.05% | 24,539 |
Institutional holders 254
View all →| Holder | Value | % of shares |
|---|---|---|
| $120.31M | 10.90% | |
| $102.38M | 14.40% | |
| $87.03M | 7.88% | |
| $49.23M | 4.46% | |
| $38.58M | 5.43% | |
| $36.46M | 3.78% | |
| $30.24M | 2.74% | |
| $30.18M | 2.73% | |
| $27.00M | 2.45% | |
| $26.87M | 2.43% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Mar 5, 2026 | Weed Thaddeus Gerard Executive | Sell | common stock | $109.8K | -5K -2.34% | 202,750 0.40% of shares | medium |
| Jun 16, 2026 | Weed Thaddeus Gerard Executive | Sell | common stock | $81.4K | -5K -2.39% | 197,900 0.39% of shares | low |
| Mar 5, 2026 | Kennedy Sheryl Lynn Director | Sell | common stock | $75.9K | -3K -24.63% | 10,100 0.02% of shares | low |
| May 28, 2026 | FERGUSON Lewis H Director | Sell | common stock | $57.0K | -3K -11.72% | 21,094 0.04% of shares | low |
| Mar 6, 2026 | Kilmer Henry W Executive | Sell | common stock | $56.0K | -2K -5.53% | 41,000 0.08% of shares | low |
| May 14, 2026 | Kennedy Sheryl Lynn Director | Sell | common stock | $53.5K | -3K -24.36% | 10,245 0.02% of shares | low |
| Mar 5, 2026 | FERGUSON Lewis H Director | Sell | common stock | $50.8K | -2K -9.74% | 20,449 0.04% of shares | low |
| Jun 15, 2026 | Kilmer Henry W Executive | Sell | common stock | $40.8K | -2K -5.85% | 38,600 0.08% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| State Street Corporation | Passive13G | — |
| Vanguard Group Inc | Passive13G/A | — |
| BlackRock, Inc. | Passive13G/A | — |
| Turtle Creek Asset Management Inc. | Passive13G/A | — |
| Park West Asset Management LLC | Passive13G/A | — |
| Vanguard Portfolio Management | Passive13G | — |
| Park West Asset Management LLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| CCOI | — | 19239V302 |