Institutional Ownership
Anterix Inc
CUSIP 03676C100COMATEXQ1 2026
13D / 13G Filings
36
Schedule 13D/13G on record
Beneficial Filers
14
Distinct reporting persons
Largest Stake
29.1%
Max % of class reported
Institutional Holders
126
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
36 filings · latest Jan 30, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jan 30, 2026 | The Vanguard Group | 13G/A | 5.0% | 931.3K | SEC |
| 2 | Nov 12, 2025 | Dg Capital Management, LLC | 13G/A | 4.0% | 744.5K | SEC |
| 3 | Oct 17, 2025 | Blackrock, Inc. | 13G/A | 5.1% | 950.8K | SEC |
| 4 | Aug 14, 2025 | Dg Capital Management, LLC | 13G | 5.2% | 975.7K | SEC |
| 5 | Mar 5, 2025 | Heard Capital LLC | 13D/A | 9.4% | — | SEC |
| 6 | Dec 9, 2024 | Owl Creek Asset Management, L.P. | 13D/A | 29.1% | 5.41M | SEC |
| 7 | Nov 12, 2024 | Vanguard Group Inc | 13G/A | 5.4% | 1.00M | SEC |
| 8 | Nov 4, 2024 | Vanguard Group Inc | 13G | 5.4% | 1.00M | SEC |
| 9 | Oct 25, 2024 | Gic Private Ltd | 13G/A | — | — | SEC |
| 10 | Aug 8, 2024 | Heard Capital LLC | 13D/A | 9.4% | 1.75M | SEC |
26 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Anterix Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Owl Creek Asset Management, L.P. | 5.41M | $206.68M |
| 2 | Heard Capital LLC | 1.72M | $65.56M |
| 3 | Blackrock, Inc. | 1.01M | $38.46M |
| 4 | Qvt Financial LP | 503.9K | $19.25M |
| 5 | Plustick Management LLC | 499.6K | $19.08M |
| 6 | Gamco Investors, Inc. Et Al | 425.8K | $16.26M |
| 7 | Dimensional Fund Advisors LP | 424.9K | $16.22M |
| 8 | Jane Street Group, LLC | 420.9K | $16.07M |
| 9 | State Street Corp | 387.9K | $14.81M |
| 10 | Geode Capital Management, LLC | 374.3K | $14.30M |