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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $23.9M in total
- 10
- 13F holdersQ2 2026, +42 vs. previous quarter
- 171
- 13F valueReported value at the end of Q2 2026
- $1.97B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding ATEX, Q2 2026
No superinvestor reported holding ATEX at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Anterix Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 23, 2026 (view filing)7:56 AM ET | Sep 21 | 2 days | Lang Scott A.President and CEO | SSale | −15.0K | $80.00 | −$1.20M | −36.2%26.5K after | Amended10b5-1 |
| Sep 11, 2026 (view filing)4:09 PM ET | Sep 10 | 1 day | Martin HeatherChief Marketing Officer | SSale | −8.06K | $84.20 | −$679.0K | −23.2%26.7K after | |
| Sep 11, 2026 (view filing)4:08 PM ET | Sep 8 | 3 days | Ashe Gena LChief Legal Officer & Corp Sec | SSale | −4.36K | $85.44 | −$372.3K | −32.0%9.24K after | Amended2 lots |
| Sep 11, 2026 (view filing)4:08 PM ET | Sep 10 | 1 day | Daniels Leslie BDirector | SSale | −2.50K | $83.83 | −$209.6K | −5.4%43.5K after | |
| Sep 8, 2026 (view filing)4:03 PM ET | Sep 3-4 | 5 days | Daniels Leslie BDirector | SSale | −10.1K | $87.12 | −$879.9K | −18.0%46.0K after | 3 lots |
| Aug 27, 2026 (view filing)4:44 PM ET | Aug 25 | 2 days | Guttman-McCabe ChristopherChief Reg & Comm Officer | SSale | −23.4K | $92.36 | −$2.16M | −34.3%44.9K after | 4 lots |
| Aug 26, 2026 (view filing)4:46 PM ET | Jun 18-Aug 24 | 69 daysLate | Kuhn Thomas R.Director, Other: Executive Chairman | SSale | −11.7K | $87.53 | −$1.02M | −39.7%17.7K after | 5 lots |
| Aug 18, 2026 (view filing)5:38 PM ET | Aug 14 | 4 days | Heard WilliamDirector | SSale | −46.4K | $90.11 | −$4.18M | −2.7%1.67M after | |
| Aug 17, 2026 (view filing)5:00 PM ET | Aug 14 | 3 days | Lang Scott A.President and CEO | SSale | −35.1K | $90.22 | −$3.16M | −45.8%41.5K after | 4 lots |
| Aug 14, 2026 (view filing)4:37 PM ET | Jun 15 | 60 days | Guttman-McCabe ChristopherChief Reg & Comm Officer | SSale | −122.9K | $81.75 | −$10.0M | −72.6%46.4K after | Amended7 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in Anterix Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Owl Creek Asset Management, L.P. | 5,411,776 | $557.1M | 49.39% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 2,348,019 | $241.7M | 0.16% | +2,348,019 | New |
| Heard Capital LLC | 1,716,738 | $176.7M | 7.56% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,075,115 | $110.7M | 0.00% | +67,972+6.7% | Added |
| Price T Rowe Associates Inc | 750,451 | $77.3M | 0.01% | +742,496+9,333.7% | Added |
| Jupiter Topco LLC | 662,415 | $68.2M | 0.03% | +662,415 | New |
| Vanguard Capital Management LLC | 553,002 | $56.9M | 0.00% | −20,845−3.6% | Reduced |
| Plustick Management LLC | 520,000 | $53.5M | 22.69% | +20,404+4.1% | Added |
| State Street Corp | 495,950 | $51.1M | 0.00% | +108,032+27.8% | Added |
| Gamco Investors, Inc. Et Al | 415,520 | $42.8M | 0.38% | −10,300−2.4% | Reduced |