Anterix Inc. (NASDAQ:ATEX) is held by 116 institutional investors per 13F filings through 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 |
| Owl Creek Asset Management, L.P. | 31 Mar, 2026 | 5,411,776 | 0 | 0.00% | $118,139,070.00 |
| Heard Capital LLC | 31 Mar, 2026 | 1,716,738 | -1,716,738 | -50.00% | $37,476,391.00 |
| Heard Capital LLC | 31 Mar, 2026 | 1,716,738 | 0 | 0.00% | $65,562,224.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 1,018,275 | -13,460 | -1.30% | $22,228,954.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 1,007,143 | -11,132 | -1.09% | $38,462,810.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 931,305 | -77,072 | -7.64% | $20,330,388.00 |
| 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 |
| QVT Financial LP | 31 Mar, 2026 | 503,941 | 0 | 0.00% | $11,001,032.00 |
| PLUSTICK MANAGEMENT LLC | 31 Mar, 2026 | 499,596 | 499,596 | 0.00% | $19,079,571.00 |
| Jefferies Financial Group Inc. | 31 Mar, 2026 | 454,508 | 454,508 | 0.00% | $9,921,910.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 439,946 | 404,838 | 1,153.12% | $9,604,021.00 |
| 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 |
| GAMCO INVESTORS, INC. ET AL | 31 Mar, 2026 | 422,470 | 102,400 | 31.99% | $9,222,520.00 |
| JANE STREET GROUP, LLC | 31 Mar, 2026 | 420,857 | 261,843 | 164.67% | $16,072,529.00 |
| GARNET EQUITY CAPITAL HOLDINGS, INC. | 31 Mar, 2026 | 397,395 | 0 | 0.00% | $8,675,133.00 |
| 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 |