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 2026
Institutional positions in Anterix Inc. as of Jun 30, 2026. 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
- 171
- +42 vs. Q1 2026
- Shares held
- 19.1M
- +2.18M (+12.9%) vs. Q1 2026
- Total value
- $1.97B
- +$1.32B (+204.2%) vs. Q1 2026
- New holders
- 58
- 44 more added
- Sold out
- 16
- 48 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Waterfront Wealth Inc. | 10,714 | $1.08M | 0.17% | −49,241−82.1% | Reduced |
| FCG Investment Co | 10,762 | $1.11M | 0.38% | +10,762 | New |
| Vanguard Global Advisers, LLC | 10,841 | $1.12M | 0.00% | +3,875+55.6% | Added |
| LPL Financial LLC | 12,353 | $1.27M | 0.00% | +12,353 | New |
| Jefferson Bridge Capital, LLC | 12,950 | $1.33M | 1.16% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 12,979 | $1.34M | 0.01% | −1,523−10.5% | Reduced |
| GWN Securities Inc. | 13,425 | $1.38M | 0.23% | −3,043−18.5% | Reduced |
| Caxton Associates LLP | 13,432 | $1.38M | 0.03% | +13,432 | New |
| AQR Capital Management LLC | 13,437 | $1.38M | 0.00% | +2,337+21.1% | Added |
| Rhumbline Advisers | 14,337 | $1.48M | 0.00% | +222+1.6% | Added |
| Wells Fargo & Company | 14,648 | $1.51M | 0.00% | +8,745+148.1% | Added |
| Toronto Dominion Bank | 15,600 | $1.61M | 0.00% | +6,500+71.4% | Added |
| Deutsche Bank AG | 15,643 | $1.61M | 0.00% | +6,199+65.6% | Added |
| American Century Companies Inc | 15,731 | $1.62M | 0.00% | +9,070+136.2% | Added |
| JPMorgan Chase & Co | 16,489 | $1.62M | 0.00% | +11,413+224.8% | Added |
| State of Wisconsin Investment Board | 16,070 | $1.65M | 0.00% | +2,801+21.1% | Added |
| Woodmont Investment Counsel LLC | 16,973 | $1.75M | 0.10% | −1,334−7.3% | Reduced |
| Quantinno Capital Management LP | 17,229 | $1.77M | 0.00% | +1,610+10.3% | Added |
| Jane Street Group, LLC | 17,506 | $1.80M | 0.00% | −403,351−95.8% | Reduced |
| Caption Management, LLC | 17,532 | $1.80M | 0.06% | +17,532 | New |
| Hanseatic Management Services Inc | 18,418 | $1.90M | 1.39% | +18,418 | New |
| Harbor Capital Advisors, Inc. | 20,805 | $2.14M | 0.15% | +20,805 | New |
| Campbell & CO Investment Adviser LLC | 21,084 | $2.17M | 0.11% | −19,376−47.9% | Reduced |
| UBS Group AG | 24,018 | $2.47M | 0.00% | −23,857−49.8% | Reduced |
| EVR Research LP | 25,000 | $2.57M | 1.27% | +25,000 | New |
| Millennium Management LLC | 30,340 | $3.12M | 0.00% | −277,582−90.1% | Reduced |
| HRT Financial LP | 30,673 | $3.16M | 0.01% | −144,252−82.5% | Reduced |
| Wellington Management Group LLP | 31,006 | $3.19M | 0.00% | +31,006 | New |
| Gilder Gagnon Howe & Co LLC | 32,833 | $3.38M | 0.03% | +32,833 | New |
| Creative Planning | 34,541 | $3.56M | 0.00% | +2,577+8.1% | Added |
| Nuveen, LLC | 35,798 | $3.69M | 0.00% | +12,923+56.5% | Added |
| Teton Advisors, LLC | 43,000 | $4.43M | 2.56% | −10,000−18.9% | Reduced |
| Potrero Capital Research LLC | 46,525 | $4.79M | 2.93% | −183,036−79.7% | Reduced |
| EAM Investors, LLC | 52,534 | $5.41M | 0.48% | +52,534 | New |
| TD Asset Management Inc | 53,258 | $5.48M | 0.00% | +53,258 | New |
| Trexquant Investment LP | 53,423 | $5.50M | 0.03% | +13,248+33.0% | Added |
| Citigroup Inc | 59,998 | $6.18M | 0.00% | −59,863−49.9% | Reduced |
| 683 Capital Management, LLC | 66,000 | $6.79M | 0.62% | +20,000+43.5% | Added |
| Marble Bar Asset Management LLP | 68,248 | $7.03M | 4.87% | +14,739+27.5% | Added |
| Bank of New York Mellon Corp | 69,374 | $7.14M | 0.00% | +1,538+2.3% | Added |
| Granahan Investment Management Inc | 72,121 | $7.42M | 0.26% | +72,121 | New |
| Beartown Capital Management, LLC | 75,000 | $7.72M | 3.43% | −25,000−25.0% | Reduced |
| OpenArc Corporate Advisory, LLC | 75,576 | $7.78M | 0.09% | +1,728+2.3% | Added |
| Morgan Stanley | 80,425 | $8.28M | 0.00% | −22,233−21.7% | Reduced |
| D. E. Shaw & Co., Inc. | 92,990 | $9.57M | 0.01% | +87,294+1,532.5% | Added |
| Kirr Marbach & Co LLC | 116,069 | $11.9M | 2.01% | +2,255+2.0% | Added |
| Vanguard Fiduciary Trust Co | 120,999 | $12.5M | 0.00% | +1,543+1.3% | Added |
| Northern Trust Corp | 123,231 | $12.7M | 0.00% | +5,621+4.8% | Added |
| Bank of America Corp | 134,686 | $13.9M | 0.00% | −33,095−19.7% | Reduced |
| Charles Schwab Investment Management Inc | 139,278 | $14.3M | 0.00% | −2,110−1.5% | Reduced |
| Goldman Sachs Group Inc | 139,334 | $14.3M | 0.00% | −22,452−13.9% | Reduced |
| Panoramic Capital, LLC | 154,377 | $15.9M | 6.84% | +19,377+14.4% | Added |
| Potomac Capital Management, Inc. | 155,071 | $16.0M | 11.68% | −18,731−10.8% | Reduced |
| Garnet Equity Capital Holdings, Inc. | 156,119 | $16.1M | 7.20% | −187,377−54.5% | Reduced |
| Vanguard Portfolio Management LLC | 158,469 | $16.3M | 0.00% | −6,073−3.7% | Reduced |
| Invesco Ltd. | 200,975 | $20.7M | 0.00% | +200,975 | New |
| Gabelli Funds LLC | 278,500 | $28.7M | 0.18% | +12,700+4.8% | Added |
| FMR LLC | 370,400 | $38.1M | 0.00% | +235,105+173.8% | Added |
| Dimensional Fund Advisors LP | 370,964 | $38.2M | 0.01% | −53,892−12.7% | Reduced |
| QVT Financial LP | 383,941 | $39.5M | 2.53% | −120,000−23.8% | Reduced |
| Geode Capital Management, LLC | 388,076 | $40.0M | 0.00% | +13,775+3.7% | Added |
| Gamco Investors, Inc. Et Al | 415,520 | $42.8M | 0.38% | −10,300−2.4% | Reduced |
| State Street Corp | 495,950 | $51.1M | 0.00% | +108,032+27.8% | Added |
| Plustick Management LLC | 520,000 | $53.5M | 22.69% | +20,404+4.1% | Added |
| Vanguard Capital Management LLC | 553,002 | $56.9M | 0.00% | −20,845−3.6% | Reduced |
| Jupiter Topco LLC | 662,415 | $68.2M | 0.03% | +662,415 | New |
| Price T Rowe Associates Inc | 750,451 | $77.3M | 0.01% | +742,496+9,333.7% | Added |
| BlackRock, Inc. | 1,075,115 | $110.7M | 0.00% | +67,972+6.7% | Added |
| Heard Capital LLC | 1,716,738 | $176.7M | 7.56% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 2,348,019 | $241.7M | 0.16% | +2,348,019 | New |
| Owl Creek Asset Management, L.P. | 5,411,776 | $557.1M | 49.39% | 00.0% | Unchanged |
| AYAL Capital Advisors Ltd | 0 | $0 | 0.00% | −197,119−100.0% | Sold out |
| DG Capital Management, LLC | 0 | $0 | 0.00% | −168,217−100.0% | Sold out |
| Ardsley Advisory Partners LP | 0 | $0 | 0.00% | −110,000−100.0% | Sold out |
| Gratia Capital, LLC | 0 | $0 | 0.00% | −87,500−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −59,736−100.0% | Sold out |
| Resolute Capital Asset Partners LLC | 0 | $0 | 0.00% | −51,106−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −23,211−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −19,740−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −17,885−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −9,033−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −8,794−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| RWM Asset Management, LLC | 0 | $0 | 0.00% | −775−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −141−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |