Anterix Inc.
ATEX- Exchange
- Nasdaq
- Industry
- Telephone Communications (No Radiotelephone)
- SEC CIK
- 0001304492
In the last 90 days, Anterix Inc. insiders filed 0 open-market purchases and 10 sales; 171 institutions reported holding it in 13F filings for Q2 2026, worth $1.97B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Anterix Inc. as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 112
- −17 vs. Q1 2025
- Shares held
- 16.8M
- +447.5K (+2.7%) vs. Q1 2025
- Total value
- $431.0M
- −$167.6M (−28.0%) vs. Q1 2025
- New holders
- 16
- 49 more added
- Sold out
- 33
- 32 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATEX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 171 | $1.97B |
| Q1 2026 | 132 | $646.5M |
| Q4 2025 | 117 | $353.3M |
| Q3 2025 | 111 | $341.2M |
| Q2 2025 | 112 | $431.0M |
| Q1 2025 | 130 | $598.6M |
| Q4 2024 | 116 | $490.5M |
| Q3 2024 | 129 | $593.7M |
| Q2 2024 | 115 | $593.3M |
| Q1 2024 | 98 | $493.3M |
| Q4 2023 | 93 | $492.4M |
| Q3 2023 | 98 | $472.2M |
| Q2 2023 | 95 | $491.3M |
| Q1 2023 | 88 | $515.5M |
| Q4 2022 | 92 | $503.6M |
| Q3 2022 | 100 | $567.4M |
| Q2 2022 | 95 | $620.9M |
| Q1 2022 | 109 | $881.6M |
| Q4 2021 | 108 | $892.1M |
| Q3 2021 | 108 | $920.4M |
| Q2 2021 | 107 | $912.0M |
| Q1 2021 | 97 | $731.0M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Scoggin Management LP | 300,000 | $7.70M | 3.56% | 00.0% | Unchanged |
| FMR LLC | 322,015 | $8.26M | 0.00% | +26,500+9.0% | Added |
| Dimensional Fund Advisors LP | 337,287 | $8.65M | 0.00% | −8,788−2.5% | Reduced |
| State Street Corp | 344,064 | $8.83M | 0.00% | +15,934+4.9% | Added |
| Geode Capital Management, LLC | 383,557 | $9.84M | 0.00% | +30,575+8.7% | Added |
| Garnet Equity Capital Holdings, Inc. | 397,395 | $10.2M | 4.72% | +10,000+2.6% | Added |
| QVT Financial LP | 503,941 | $12.9M | 1.81% | 00.0% | Unchanged |
| DG Capital Management, LLC | 858,039 | $22.0M | 10.38% | +213,626+33.2% | Added |
| Vanguard Group Inc | 1,043,613 | $26.8M | 0.00% | −6,409−0.6% | Reduced |
| BlackRock, Inc. | 1,140,479 | $29.3M | 0.00% | +138,988+13.9% | Added |
| Heard Capital LLC | 1,716,738 | $44.0M | 2.30% | 00.0% | Unchanged |
| Owl Creek Asset Management, L.P. | 5,411,776 | $138.8M | 18.30% | 00.0% | Unchanged |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −161,706−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −45,028−100.0% | Sold out |
| Harber Asset Management LLC | 0 | $0 | 0.00% | −35,608−100.0% | Sold out |
| Kettle Hill Capital Management, LLC | 0 | $0 | 0.00% | −29,469−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −26,983−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −25,658−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −20,716−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Harvest Management LLC | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −15,812−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −12,634−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −12,029−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −11,489−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −11,373−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −10,144−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −7,758−100.0% | Sold out |
| JT Stratford LLC | 0 | $0 | 0.00% | −7,658−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −6,888−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −6,682−100.0% | Sold out |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0 | $0 | 0.00% | −6,200−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −5,523−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −4,995−100.0% | Sold out |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −740−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −123−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Private Wealth Asset Management, LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Rothschild Investment LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |