Anterix Inc. (NASDAQ:ATEX) has 116 institutional investors that have filed 13F reports for the period ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Owl Creek Asset Management, L.P. | 31 Mar, 2026 | 5,411,776 | 0 | 0.00% | $206,675,725.00 |
| Heard Capital LLC | 31 Mar, 2026 | 1,716,738 | 0 | 0.00% | $65,562,224.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 1,007,143 | -11,132 | -1.09% | $38,462,810.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 573,847 | 573,847 | 0.00% | $21,915,217.00 |
| QVT Financial LP | 31 Mar, 2026 | 503,941 | 0 | 0.00% | $19,245,507.00 |
| PLUSTICK MANAGEMENT LLC | 31 Mar, 2026 | 499,596 | 499,596 | 0.00% | $19,079,571.00 |
| GAMCO INVESTORS, INC. ET AL | 31 Mar, 2026 | 425,820 | 3,350 | 0.79% | $16,262,066.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 424,856 | 99,933 | 30.76% | $16,222,641.00 |
| JANE STREET GROUP, LLC | 31 Mar, 2026 | 420,857 | 261,843 | 164.67% | $16,072,529.00 |
| State Street Corp | 31 Mar, 2026 | 387,918 | 54,130 | 16.22% | $14,814,588.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 374,301 | 14,162 | 3.93% | $14,299,259.00 |
| GARNET EQUITY CAPITAL HOLDINGS, INC. | 31 Mar, 2026 | 343,496 | -53,899 | -13.56% | $13,118,112.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 307,922 | -132,024 | -30.01% | $11,759,541.00 |
| GABELLI FUNDS LLC | 31 Mar, 2026 | 265,800 | -39,107 | -12.83% | $10,150,902.00 |
| Potrero Capital Research LLC | 31 Mar, 2026 | 229,561 | 229,561 | 0.00% | $8,766,935.00 |
| AYAL Capital Advisors Ltd | 31 Mar, 2026 | 197,119 | -67,881 | -25.62% | $7,527,975.00 |
| HRT FINANCIAL LP | 31 Mar, 2026 | 174,925 | 131,835 | 305.95% | $6,680.00 |
| Potomac Capital Management, Inc. | 31 Mar, 2026 | 173,802 | 12,402 | 7.68% | $6,637,498.00 |
| DG Capital Management, LLC | 31 Mar, 2026 | 168,217 | 146,972 | 691.80% | $6,424,207.00 |
| Bank Of America Corp /De/ | 31 Mar, 2026 | 167,781 | 24,657 | 17.23% | $6,407,556.00 |