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, Q1 2025
Institutional positions in Anterix Inc. as of Mar 31, 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
- 130
- +17 vs. Q4 2024
- Shares held
- 16.4M
- +757.7K (+4.9%) vs. Q4 2024
- Total value
- $598.6M
- +$120.2M (+25.1%) vs. Q4 2024
- New holders
- 28
- 36 more added
- Sold out
- 11
- 48 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kirr Marbach & Co LLC | 96,797 | $3.54M | 0.82% | +4,386+4.7% | Added |
| AYAL Capital Advisors Ltd | 98,671 | $3.61M | 2.40% | +98,671 | New |
| Millennium Management LLC | 116,473 | $4.26M | 0.00% | +39,143+50.6% | Added |
| Goldman Sachs Group Inc | 124,706 | $4.56M | 0.00% | +18,771+17.7% | Added |
| Marshall Wace, LLP | 124,997 | $4.57M | 0.01% | +84,478+208.5% | Added |
| Northern Trust Corp | 126,145 | $4.62M | 0.00% | −7,125−5.3% | Reduced |
| Charles Schwab Investment Management Inc | 130,889 | $4.79M | 0.00% | −3,511−2.6% | Reduced |
| Tudor Investment Corp Et Al | 139,997 | $5.12M | 0.05% | −1,460−1.0% | Reduced |
| Gabelli Funds LLC | 145,400 | $5.32M | 0.04% | +8,600+6.3% | Added |
| Qube Research & Technologies Ltd | 152,580 | $5.58M | 0.01% | −26,235−14.7% | Reduced |
| Roubaix Capital, LLC | 161,706 | $5.92M | 3.08% | +161,706 | New |
| Bank of America Corp | 166,427 | $6.09M | 0.00% | +141,048+555.8% | Added |
| Morgan Stanley | 190,793 | $6.98M | 0.00% | +96,746+102.9% | Added |
| Nuveen, LLC | 196,835 | $7.20M | 0.00% | +196,835 | New |
| Gamco Investors, Inc. Et Al | 202,570 | $7.41M | 0.08% | +54,300+36.6% | Added |
| Clearbridge Investments, LLC | 235,511 | $8.62M | 0.01% | −64,094−21.4% | Reduced |
| D. E. Shaw & Co., Inc. | 248,408 | $9.09M | 0.01% | +40,983+19.8% | Added |
| Citadel Advisors LLC | 249,194 | $9.12M | 0.01% | +81,291+48.4% | Added |
| FMR LLC | 295,515 | $10.8M | 0.00% | −11,773−3.8% | Reduced |
| Scoggin Management LP | 300,000 | $11.0M | 5.44% | +300,000 | New |
| State Street Corp | 328,130 | $12.0M | 0.00% | −47,933−12.7% | Reduced |
| Dimensional Fund Advisors LP | 346,075 | $12.7M | 0.00% | −43,518−11.2% | Reduced |
| Geode Capital Management, LLC | 352,982 | $12.9M | 0.00% | −5,900−1.6% | Reduced |
| Garnet Equity Capital Holdings, Inc. | 387,395 | $14.2M | 7.96% | −1,434−0.4% | Reduced |
| QVT Financial LP | 503,941 | $18.4M | 1.76% | 00.0% | Unchanged |
| DG Capital Management, LLC | 644,413 | $23.6M | 12.85% | +215,398+50.2% | Added |
| BlackRock, Inc. | 1,001,491 | $36.7M | 0.00% | +19,862+2.0% | Added |
| Vanguard Group Inc | 1,050,022 | $38.4M | 0.00% | +15,043+1.5% | Added |
| Heard Capital LLC | 1,716,738 | $62.8M | 3.73% | −35,400−2.0% | Reduced |
| Owl Creek Asset Management, L.P. | 5,411,776 | $198.1M | 32.10% | 00.0% | Unchanged |
| Stonehill Capital Management LLC | 0 | $0 | 0.00% | −605,664−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −18,814−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −16,225−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −13,462−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −9,293−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −8,972−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −6,640−100.0% | Sold out |
| ClearAlpha Technologies LP | 0 | $0 | 0.00% | −6,552−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −3,964−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −2,630−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Price Jennifer C. | – | – | – | – | Not filed |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |