Anterix (ATEX) Superinvestor holders
8 of the superinvestors we track hold Anterix (ATEX) in their latest 13F filings, $613M in total.
Summary
The largest holder is Jeffrey Altman (Owl Creek Asset Management), with $557M, 49.4% of the portfolio.
In their latest quarter: 4 opened a new position, 2 added, 1 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Jeffrey Altman Owl Creek Asset Management |
Held | 5,411,776 | $557M | 49.4% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Trimmed | 415,520 | $43M | 0.4% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 92,990 | $10M | 0.0% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Added | 13,437 | $1M | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
New position | 8,867 | $912,769 | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
New position | 4,028 | $414,642 | 0.0% | Q2 2026 |
| Paul Marshall Marshall Wace |
New position | 3,757 | $386,746 | 0.0% | Q2 2026 |
| Two Sigma Two Sigma Investments |
New position | 3,716 | $382,525 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 8 |
| Q1 2026 | 4 |
| Q4 2025 | 7 |
| Q3 2025 | 7 |
| Q2 2025 | 8 |
| Q1 2025 | 8 |
| Q4 2024 | 10 |
| Q3 2024 | 10 |
Questions about Anterix
Which superinvestors own Anterix?
8 of the superinvestors we track hold Anterix (ATEX) in their latest 13F filings, $613M in total. Jeffrey Altman, Mario Gabelli, David Shaw, Cliff Asness, Joel Greenblatt, Alan Howard.
Who is the largest superinvestor holder of ATEX?
The largest holder is Jeffrey Altman (Owl Creek Asset Management), with $557M, 49.4% of the portfolio.
From Anterix's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.