Cogent Communications
Tier 1 IP backbone built on distressed fiber, serving corporate, net-centric, and enterprise buyers.
$9.53
After-hours close+0.06 (+0.61%)
At close$9.47(−2.07%)
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Breakdown13F · Form 4
Institutions 97.41%Insiders 5.12%
Institutions and insiders are filed separately and overlap, so together they can pass the whole company. No split is drawn from them.
Shares outstanding 50.08M · Float 47.30M · 94.5% free float
Institutions13F, as of Jun 30, 2026
239 holders · 48.78M shares · 44 new positions · 122 increased · 75 reduced · 53 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 7.38M | 14.73% | +301.0K | Aug 7, 2026 |
| Turtle Creek Asset Management Inc. | 4.20M | 8.39% | −145.4K | Aug 14, 2026 |
| Park West Asset Management LLC | 3.11M | 6.20% | +1.17M | Aug 14, 2026 |
| State Street Corp | 2.78M | 5.55% | +506.1K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 2.38M | 4.76% | −363.8K | Aug 13, 2026 |
| Edgepoint Investment Group Inc. | 2.28M | 4.56% | 0 | Aug 14, 2026 |
| Vanguard Capital Management LLC | 2.04M | 4.07% | −82.8K | Aug 13, 2026 |
| Newtyn Management, LLC | 1.66M | 3.31% | +55.9K | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 14.40% | 7.07M | 13G | Jan 23, 2026 ↗ |
| Turtle Creek Asset Management Inc. | 8.20% | 4.04M | 13G | Feb 17, 2026 ↗ |
| Park West Asset Management LLC | 5.60% | 2.81M | 13G | Jun 17, 2026 ↗ |
| Vanguard Portfolio Management | 5.57% | 2.79M | 13G | Apr 29, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Dave Schaeffer | director, officer: CHAIRMAN, CEO, AND PRESIDENT | 1.87M | 3.73% | May 4, 2026 |
| Thaddeus Gerard Weed | officer: VICE PRESIDENT, CFO | 197.9K | 0.40% | Jun 16, 2026 |
| Marc Montagner | director | 99.8K | 0.20% | Jun 30, 2026 |
| John B. Chang | officer: VP & CHIEF LEGAL OFFICER | 91.9K | 0.18% | Jan 5, 2026 |
| Steven D. Brooks | director | 58.7K | 0.12% | Jul 1, 2026 |
| James Bubeck | officer: CHIEF REVENUE OFFICER | 55.1K | 0.11% | Jun 6, 2025 |
| Henry W. Kilmer | officer: VP OF NETWORK STRATEGY | 38.6K | 0.08% | Jun 15, 2026 |
| de Sa Paul | director | 33.8K | 0.07% | Jul 1, 2026 |
| Deneen C. Howell | director | 32.3K | 0.06% | Jul 1, 2026 |
| Eve N. Howard | director | 27.3K | 0.05% | Jul 1, 2026 |
2 ten-percent owners hold 3.45M shares by Form 4, outside the officers-and-directors figure above · 17 people have not refiled in the last 18 months (506.5K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 16, 2026 | Thaddeus Gerard Weedofficer: VICE PRESIDENT, CFO | Sale | 4,850 | $16.79 | 197,900 |
| Jun 15, 2026 | Henry W. Kilmerofficer: VP OF NETWORK STRATEGY | Sale | 2,400 | $17.01 | 38,600 |
| May 28, 2026 | Lewis H. FERGUSONdirector | Sale | 2,800 | $20.36 | 21,094 |
| May 14, 2026 | Sheryl Lynn Kennedydirector | Sale | 3,300 | $16.22 | 10,245 |
| Mar 6, 2026 | Henry W. Kilmerofficer: VP OF NETWORK STRATEGY | Sale | 2,400 | $23.35 | 41,000 |
| Mar 5, 2026 | Thaddeus Gerard Weedofficer: VICE PRESIDENT, CFO | Sale | 4,850 | $22.63 | 202,750 |
| Mar 5, 2026 | Sheryl Lynn Kennedydirector | Sale | 3,300 | $22.99 | 10,100 |
| Mar 5, 2026 | Lewis H. FERGUSONdirector | Sale | 2,206 | $23.03 | 20,449 |
| Dec 11, 2025 | Thaddeus Gerard Weedofficer: VICE PRESIDENT, CFO | Sale | 7,300 | $23.99 | 88,200 |
| Dec 8, 2025 | Henry W. Kilmerofficer: VP OF NETWORK STRATEGY | Sale | 4,800 | $19.79 | 33,800 |
CongressHouse and Senate disclosures
Not reported.