Who holds it, who is betting against it, and where the big money is moving
Net of large-order buying minus selling, in USD. Over this window: +$1.23M (15 inflow days, 5 outflow days).
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 35.5% of shares outstanding.
Reported short interest has fallen from 7.97% to 7.02% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| John Malone | Individual/Insider | 2026/Q3 | +530,443 | 8.6% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +2,847,353 | 9.3% |
| Southeastern Asset Management, Inc. | Mutual Fund | 2026/Q3 | +606,331 | 5.0% |
| BlackRock | Mutual Fund | 2026/Q3 | +601,713 | 7.4% |
| Deutsche Asset & Wealth Management | Mutual Fund | 2026/Q3 | +558,066 | 1.4% |
| American Century Investment Management | Mutual Fund | 2026/Q3 | +529,058 | 4.4% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +510,509 | 2.6% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +506,473 | 3.8% |
| Thompson, Siegel & Walmsley LLC | Mutual Fund | 2026/Q3 | +458,437 | 1.8% |
| Raffles Associates, L.P. | Hedge Fund | 2026/Q3 | +421,541 | 1.4% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +394,163 | 5.2% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +349,455 | 2.4% |
| Luxor Capital Group, LP | Hedge Fund | 2026/Q3 | +273,929 | 1.4% |
| Dimensional Fund Advisors | Mutual Fund | 2026/Q3 | +264,647 | 4.8% |
| XTX Markets Limited | Private Company | 2026/Q3 | +244,944 | 0.6% |
Institutional buy/sell activity by reporting period, largest moves first.
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 7 Sep 2026 | John Malone | Chairperson | Other Derivative Disposition | -40,200 | $41.20 | – |
| 1 Sep 2026 | John Malone | Chairperson | Other Derivative Disposition | -40,200 | $41.20 | 40,200 |
| 27 Aug 2026 | John Malone | Chairperson | Other Derivative Disposition | -40,200 | $41.20 | 80,400 |
| 24 Aug 2026 | John Malone | Chairperson | Other Derivative Disposition | -39,800 | $41.20 | 120,600 |
| 19 Aug 2026 | John Malone | Chairperson | Other Derivative Disposition | -39,600 | $41.20 | 160,400 |
| 12 Aug 2026 | John Malone | Chairperson | Open Market Acquisition | +1,000 | $26.00 | 2,730,304 |
| 11 Aug 2026 | John Malone | Chairperson | Open Market Acquisition | +542,232 | $25.57 | 2,729,304 |
| 2 Jun 2026 | Ronald Duncan | Chief Executive Officer | Open Market Acquisition | +67,500 | $21.11 | 205,864 |
| 1 Mar 2026 | John Malone | Chairperson | Private Acquisition | +1,834 | $43.29 | 372,935 |
| 19 Feb 2026 | Ronald Duncan | Chief Executive Officer | Sale to Issuer | -6,548 | $39.70 | 138,364 |
| 19 Feb 2026 | Ronald Duncan | Chief Executive Officer | Derivative Exercise and Sale | -1,158 | $39.70 | 138,364 |
| 9 Feb 2026 | Ronald Duncan | Chief Executive Officer | Other Acquisition | +18,423 | – | 138,364 |
| 4 Jan 2026 | Ronald Duncan | Chief Executive Officer | Derivative Exercise and Sale | -1,980 | $36.12 | 126,489 |
| 4 Jan 2026 | Ronald Duncan | Chief Executive Officer | Derivative Exercise and Retained | +5,055 | – | 126,489 |
| 22 Dec 2025 | John Malone | Chairperson | Other Acquisition | +73,845 | $27.20 | 2,187,072 |
| 18 Dec 2025 | Brian Deevy | Director | Derivative Exercise and Retained | +697 | – | 697 |
| 18 Dec 2025 | Larry Romrell | Former Director of General Communication Inc | Derivative Exercise and Retained | +682 | – | 5,239 |
| 18 Dec 2025 | Ronald Duncan | Chief Executive Officer | Sale to Issuer | -174 | $36.39 | 121,434 |
| 18 Dec 2025 | Ronald Duncan | Chief Executive Officer | Derivative Exercise and Retained | +442 | – | 121,608 |
| 18 Dec 2025 | Richard Green | Director | Derivative Exercise and Retained | +654 | – | 2,760 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Sep 2026 | 2,801,415 | 7.0% | 10.7 |
| 31 Aug 2026 | 2,898,434 | 7.3% | 9.6 |
| 14 Aug 2026 | 2,941,187 | 7.4% | 5.8 |
| 31 Jul 2026 | 2,860,919 | 7.2% | 6.5 |
| 15 Jul 2026 | 2,931,256 | 7.3% | 4.3 |
| 30 Jun 2026 | 3,178,505 | 8.0% | 2.5 |
No comments yet — be the first to weigh in on GLIBK.