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, Q3 2025
Institutional positions in Anterix Inc. as of Sep 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
- 111
- 0 vs. Q2 2025
- Shares held
- 16.0M
- −784.2K (−4.7%) vs. Q2 2025
- Total value
- $341.2M
- −$88.5M (−20.6%) vs. Q2 2025
- New holders
- 26
- 31 more added
- Sold out
- 26
- 40 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Owl Creek Asset Management, L.P. | 5,411,776 | $116.2M | 13.19% | 00.0% | Unchanged |
| Heard Capital LLC | 1,716,738 | $36.9M | 1.79% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,031,735 | $22.2M | 0.00% | −108,744−9.5% | Reduced |
| Vanguard Group Inc | 1,008,377 | $21.6M | 0.00% | −35,236−3.4% | Reduced |
| DG Capital Management, LLC | 744,544 | $16.0M | 9.24% | −113,495−13.2% | Reduced |
| QVT Financial LP | 503,941 | $10.8M | 1.20% | 00.0% | Unchanged |
| Garnet Equity Capital Holdings, Inc. | 397,395 | $8.53M | 3.74% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 361,329 | $7.76M | 0.00% | −22,228−5.8% | Reduced |
| Gamco Investors, Inc. Et Al | 320,070 | $6.87M | 0.07% | +46,645+17.1% | Added |
| State Street Corp | 316,771 | $6.80M | 0.00% | −27,293−7.9% | Reduced |
| Dimensional Fund Advisors LP | 311,290 | $6.68M | 0.00% | −25,997−7.7% | Reduced |
| FMR LLC | 287,789 | $6.18M | 0.00% | −34,226−10.6% | Reduced |
| Marshall Wace, LLP | 286,581 | $6.15M | 0.01% | +97,601+51.6% | Added |
| Gabelli Funds LLC | 286,282 | $6.15M | 0.04% | +98,130+52.2% | Added |
| Scoggin Management LP | 225,000 | $4.83M | 1.85% | −75,000−25.0% | Reduced |
| AYAL Capital Advisors Ltd | 208,971 | $4.49M | 2.59% | −31,200−13.0% | Reduced |
| Qube Research & Technologies Ltd | 203,589 | $4.37M | 0.01% | +445+0.2% | Added |
| Goldman Sachs Group Inc | 163,452 | $3.51M | 0.00% | +74,595+83.9% | Added |
| Charles Schwab Investment Management Inc | 138,078 | $2.96M | 0.00% | −662−0.5% | Reduced |
| Bank of America Corp | 136,489 | $2.93M | 0.00% | −71,956−34.5% | Reduced |
| D. E. Shaw & Co., Inc. | 131,075 | $2.81M | 0.00% | −101,313−43.6% | Reduced |
| Tudor Investment Corp Et Al | 128,681 | $2.76M | 0.02% | +11,514+9.8% | Added |
| Northern Trust Corp | 117,005 | $2.51M | 0.00% | −22,808−16.3% | Reduced |
| Citadel Advisors LLC | 111,094 | $2.39M | 0.00% | −161,695−59.3% | Reduced |
| Kirr Marbach & Co LLC | 96,849 | $2.08M | 0.38% | +102+0.1% | Added |
| Balyasny Asset Management LLC | 93,276 | $2.00M | 0.00% | 00.0% | Unchanged |
| Man Group plc | 75,714 | $1.63M | 0.00% | +19,650+35.0% | Added |
| Morgan Stanley | 72,443 | $1.56M | 0.00% | −106,429−59.5% | Reduced |
| HRT Financial LP | 62,133 | $1.33M | 0.00% | +62,133 | New |
| Gsa Capital Partners LLP | 59,652 | $1.28M | 0.11% | +45,200+312.8% | Added |
| Teton Advisors, LLC | 58,000 | $1.25M | 0.77% | +58,000 | New |
| Gabelli & Co Investment Advisers, Inc. | 52,200 | $1.12M | 0.18% | +35,850+219.3% | Added |
| Schonfeld Strategic Advisors LLC | 49,462 | $1.06M | 0.01% | −216−0.4% | Reduced |
| UBS Group AG | 45,621 | $979.5K | 0.00% | −7,726−14.5% | Reduced |
| Creative Planning | 43,694 | $938.1K | 0.00% | +43,694 | New |
| Jane Street Group, LLC | 42,283 | $907.8K | 0.00% | +42,283 | New |
| Trexquant Investment LP | 39,986 | $858.5K | 0.01% | −91−0.2% | Reduced |
| Bank of New York Mellon Corp | 39,607 | $850.4K | 0.00% | +1,744+4.6% | Added |
| Millennium Management LLC | 35,108 | $753.8K | 0.00% | −22,453−39.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 31,400 | $674.2K | 0.02% | −30,512−49.3% | Reduced |
| Atom Investors LP | 27,988 | $600.9K | 0.05% | +27,988 | New |
| Proficio Capital Partners LLC | 27,340 | $587.0K | 0.04% | +27,340 | New |
| Sandia Investment Management LP | 27,340 | $587.0K | 1.75% | +27,340 | New |
| Engineers Gate Manager LP | 27,051 | $580.8K | 0.01% | +2,183+8.8% | Added |
| Nuveen, LLC | 22,735 | $488.1K | 0.00% | −173,985−88.4% | Reduced |
| Campbell & CO Investment Adviser LLC | 20,800 | $446.6K | 0.03% | +8,191+65.0% | Added |
| Royal Bank of Canada | 20,411 | $438.0K | 0.00% | +2,334+12.9% | Added |
| Squarepoint Ops LLC | 19,461 | $417.8K | 0.00% | −274−1.4% | Reduced |
| AQR Capital Management LLC | 19,459 | $417.8K | 0.00% | +19,459 | New |
| EntryPoint Capital, LLC | 19,225 | $412.8K | 0.16% | +19,225 | New |
| Rhumbline Advisers | 17,781 | $381.7K | 0.00% | −10,217−36.5% | Reduced |
| Woodmont Investment Counsel LLC | 17,352 | $372.5K | 0.02% | −11,706−40.3% | Reduced |
| Barclays PLC | 16,401 | $352.1K | 0.00% | −8,411−33.9% | Reduced |
| Susquehanna International Group, LLP | 15,724 | $337.6K | 0.00% | +110+0.7% | Added |
| FourThought Financial Partners, LLC | 14,406 | $309.3K | 0.03% | +14,406 | New |
| Deutsche Bank AG | 13,609 | $292.2K | 0.00% | −283−2.0% | Reduced |
| Alliancebernstein L.P. | 13,230 | $284.0K | 0.00% | +1,900+16.8% | Added |
| STRS Ohio | 11,400 | $244.8K | 0.00% | +11,300+11,300.0% | Added |
| NJ State Employees Deferred Compensation Plan | 11,000 | $236.2K | 0.03% | 00.0% | Unchanged |
| Covestor Ltd | 9,523 | $204.0K | 0.11% | +1,278+15.5% | Added |
| MetLife Investment Management | 7,699 | $165.3K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 6,971 | $149.7K | 0.00% | +285+4.3% | Added |
| Central Pacific Bank - Trust Division | 6,000 | $128.8K | 0.02% | 00.0% | Unchanged |
| Quest Partners LLC | 5,435 | $116.7K | 0.01% | +619+12.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 5,235 | $112.4K | 0.00% | −1,849−26.1% | Reduced |
| JPMorgan Chase & Co | 4,993 | $107.2K | 0.00% | −7,550−60.2% | Reduced |
| New Age Alpha Advisors, LLC | 4,238 | $91.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 3,500 | $75.1K | 0.04% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 3,069 | $65.9K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2,968 | $63.0K | 0.00% | +2,968 | New |
| New York State Common Retirement Fund | 2,709 | $58.2K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 2,659 | $57.1K | 0.00% | +2,659 | New |
| Legal & General Group Plc | 2,599 | $55.8K | 0.00% | −8,704−77.0% | Reduced |
| BNP Paribas Arbitrage, SA | 2,254 | $48.4K | 0.00% | −150−6.2% | Reduced |
| Russell Investments Group, Ltd. | 2,158 | $46.3K | 0.00% | −3,602−62.5% | Reduced |
| Group One Trading, L.P. | 1,514 | $32.5K | 0.00% | −448−22.8% | Reduced |
| FNY Investment Advisers, LLC | 1,500 | $32.0K | 0.01% | −400−21.1% | Reduced |
| Citigroup Inc | 1,307 | $28.1K | 0.00% | −3,970−75.2% | Reduced |
| Quadrant Capital Group LLC | 1,185 | $25.4K | 0.00% | +1,185 | New |
| Tower Research Capital LLC (TRC) | 1,050 | $22.5K | 0.00% | −595−36.2% | Reduced |
| Ameritas Investment Partners, Inc. | 1,033 | $22.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 810 | $17.4K | 0.00% | −7,214−89.9% | Reduced |
| CWM, LLC | 814 | $17.0K | 0.00% | +651+399.4% | Added |
| Amalgamated Bank | 436 | $9.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 383 | $8.22K | 0.00% | +383 | New |
| Versant Capital Management, Inc | 362 | $7.77K | 0.00% | +340+1,545.5% | Added |
| US Bancorp | 288 | $6.18K | 0.00% | +169+142.0% | Added |
| CIBC Private Wealth Group, LLC | 226 | $4.85K | 0.00% | +226 | New |
| Nisa Investment Advisors, LLC | 203 | $4.36K | 0.00% | −5−2.4% | Reduced |
| Advisor Group Holdings, Inc. | 169 | $3.72K | 0.00% | +4+2.4% | Added |
| Signaturefd, LLC | 144 | $3.09K | 0.00% | +143+14,300.0% | Added |
| Farther Finance Advisors, LLC | 134 | $2.88K | 0.00% | +118+737.5% | Added |
| Optiver Holding B.V. | 124 | $2.66K | 0.00% | +124 | New |
| Clearstead Advisors, LLC | 103 | $2.21K | 0.00% | +103 | New |
| Allworth Financial LP | 59 | $1.27K | 0.00% | +45+321.4% | Added |
| WPG Advisers, LLC | 55 | $1.18K | 0.00% | −48−46.6% | Reduced |
| Parallel Advisors, LLC | 53 | $1.14K | 0.00% | +31+140.9% | Added |
| EverSource Wealth Advisors, LLC | 53 | $1.14K | 0.00% | +46+657.1% | Added |
| Federated Hermes, Inc. | 50 | $1.07K | 0.00% | −227−81.9% | Reduced |
| Essential Partners LLC | 34 | $730 | 0.00% | +31+1,033.3% | Added |