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, Q4 2025
Institutional positions in Anterix Inc. as of Dec 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
- 117
- +6 vs. Q3 2025
- Shares held
- 16.2M
- +213.1K (+1.3%) vs. Q3 2025
- Total value
- $353.3M
- +$12.1M (+3.5%) vs. Q3 2025
- New holders
- 25
- 36 more added
- Sold out
- 19
- 42 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Owl Creek Asset Management, L.P. | 5,411,776 | $118.1M | 14.22% | 00.0% | Unchanged |
| Heard Capital LLC | 1,716,738 | $37.5M | 1.76% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,018,275 | $22.2M | 0.00% | −13,460−1.3% | Reduced |
| Vanguard Group Inc | 931,305 | $20.3M | 0.00% | −77,072−7.6% | Reduced |
| QVT Financial LP | 503,941 | $11.0M | 1.04% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 454,508 | $9.92M | 0.08% | +454,508 | New |
| Millennium Management LLC | 439,946 | $9.60M | 0.01% | +404,838+1,153.1% | Added |
| Gamco Investors, Inc. Et Al | 422,470 | $9.22M | 0.09% | +102,400+32.0% | Added |
| Garnet Equity Capital Holdings, Inc. | 397,395 | $8.68M | 4.32% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 360,139 | $7.86M | 0.00% | −1,190−0.3% | Reduced |
| State Street Corp | 333,788 | $7.29M | 0.00% | +17,017+5.4% | Added |
| Dimensional Fund Advisors LP | 324,923 | $7.09M | 0.00% | +13,633+4.4% | Added |
| Gabelli Funds LLC | 304,907 | $6.66M | 0.05% | +18,625+6.5% | Added |
| Marshall Wace, LLP | 291,255 | $6.36M | 0.01% | +4,674+1.6% | Added |
| AYAL Capital Advisors Ltd | 265,000 | $5.78M | 3.17% | +56,029+26.8% | Added |
| Potomac Capital Management, Inc. | 161,400 | $3.52M | 2.95% | +161,400 | New |
| Jane Street Group, LLC | 159,014 | $3.47M | 0.00% | +116,731+276.1% | Added |
| Beartown Capital Management, LLC | 145,000 | $3.17M | 2.48% | +145,000 | New |
| Bank of America Corp | 143,124 | $3.12M | 0.00% | +6,635+4.9% | Added |
| Charles Schwab Investment Management Inc | 138,677 | $3.03M | 0.00% | +599+0.4% | Added |
| Tudor Investment Corp Et Al | 124,943 | $2.73M | 0.01% | −3,738−2.9% | Reduced |
| Qube Research & Technologies Ltd | 124,646 | $2.72M | 0.00% | −78,943−38.8% | Reduced |
| Goldman Sachs Group Inc | 124,630 | $2.72M | 0.00% | −38,822−23.8% | Reduced |
| Northern Trust Corp | 114,262 | $2.49M | 0.00% | −2,743−2.3% | Reduced |
| Morgan Stanley | 109,445 | $2.39M | 0.00% | +37,002+51.1% | Added |
| Citadel Advisors LLC | 108,380 | $2.37M | 0.00% | −2,714−2.4% | Reduced |
| Kirr Marbach & Co LLC | 100,418 | $2.19M | 0.42% | +3,569+3.7% | Added |
| Man Group plc | 100,145 | $2.19M | 0.00% | +24,431+32.3% | Added |
| Atom Investors LP | 83,085 | $1.81M | 0.14% | +55,097+196.9% | Added |
| Gsa Capital Partners LLP | 72,976 | $1.59M | 0.14% | +13,324+22.3% | Added |
| Bank of New York Mellon Corp | 68,792 | $1.50M | 0.00% | +29,185+73.7% | Added |
| D. E. Shaw & Co., Inc. | 61,765 | $1.35M | 0.00% | −69,310−52.9% | Reduced |
| Nuveen, LLC | 53,155 | $1.16M | 0.00% | +30,420+133.8% | Added |
| Squarepoint Ops LLC | 53,117 | $1.16M | 0.00% | +33,656+172.9% | Added |
| Teton Advisors, LLC | 53,000 | $1.16M | 0.80% | −5,000−8.6% | Reduced |
| Waterfront Wealth Inc. | 48,627 | $1.15M | 0.22% | +48,627 | New |
| FMR LLC | 51,044 | $1.11M | 0.00% | −236,745−82.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 49,462 | $1.08M | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 48,787 | $1.07M | 0.00% | +3,166+6.9% | Added |
| SG Americas Securities, LLC | 48,509 | $1.06M | 0.00% | +48,509 | New |
| Trexquant Investment LP | 46,398 | $1.01M | 0.01% | +6,412+16.0% | Added |
| HRT Financial LP | 43,090 | $940.0K | 0.00% | −19,043−30.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 33,401 | $729.1K | 0.00% | +33,401 | New |
| Creative Planning | 30,779 | $671.9K | 0.00% | −12,915−29.6% | Reduced |
| Gabelli & Co Investment Advisers, Inc. | 30,650 | $669.1K | 0.10% | −21,550−41.3% | Reduced |
| Susquehanna International Group, LLP | 28,743 | $627.5K | 0.00% | +13,019+82.8% | Added |
| Campbell & CO Investment Adviser LLC | 27,505 | $600.4K | 0.03% | +6,705+32.2% | Added |
| STRS Ohio | 26,500 | $578.5K | 0.00% | +15,100+132.5% | Added |
| Simplex Trading, LLC | 22,550 | $492.3K | 0.01% | +19,582+659.8% | Added |
| DG Capital Management, LLC | 21,245 | $463.8K | 0.37% | −723,299−97.1% | Reduced |
| Proficio Capital Partners LLC | 20,000 | $436.6K | 0.03% | −7,340−26.8% | Reduced |
| Sandia Investment Management LP | 20,000 | $436.6K | 1.09% | −7,340−26.8% | Reduced |
| Barclays PLC | 18,789 | $410.2K | 0.00% | +2,388+14.6% | Added |
| State of Wisconsin Investment Board | 18,432 | $402.4K | 0.00% | +18,432 | New |
| Balyasny Asset Management LLC | 17,740 | $387.3K | 0.00% | −75,536−81.0% | Reduced |
| Woodmont Investment Counsel LLC | 17,316 | $378.0K | 0.02% | −36−0.2% | Reduced |
| Alliancebernstein L.P. | 15,430 | $336.8K | 0.00% | +2,200+16.6% | Added |
| EntryPoint Capital, LLC | 15,012 | $327.7K | 0.13% | −4,213−21.9% | Reduced |
| Rhumbline Advisers | 14,918 | $325.7K | 0.00% | −2,863−16.1% | Reduced |
| XTX Topco Ltd | 14,255 | $311.2K | 0.01% | +14,255 | New |
| IMC-Chicago, LLC | 13,377 | $292.0K | 0.01% | +13,377 | New |
| Marble Bar Asset Management LLP | 13,266 | $289.6K | 6.71% | +13,266 | New |
| Jefferson Bridge Capital, LLC | 12,950 | $282.7K | 0.28% | +12,950 | New |
| Verition Fund Management LLC | 12,600 | $275.1K | 0.00% | +12,600 | New |
| Wells Fargo & Company | 12,372 | $270.1K | 0.00% | +5,401+77.5% | Added |
| Covestor Ltd | 12,031 | $263.0K | 0.14% | +2,508+26.3% | Added |
| Caption Management, LLC | 10,493 | $229.1K | 0.01% | +10,493 | New |
| Quantinno Capital Management LP | 9,487 | $207.1K | 0.00% | +9,487 | New |
| Quest Partners LLC | 8,802 | $192.1K | 0.01% | +3,367+62.0% | Added |
| Aquatic Capital Management LLC | 8,675 | $189.4K | 0.01% | +8,675 | New |
| MetLife Investment Management | 6,747 | $147.3K | 0.00% | −952−12.4% | Reduced |
| Group One Trading, L.P. | 6,175 | $134.8K | 0.00% | +4,661+307.9% | Added |
| Central Pacific Bank - Trust Division | 6,000 | $131.0K | 0.02% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 5,214 | $113.8K | 0.00% | −21−0.4% | Reduced |
| JPMorgan Chase & Co | 4,673 | $102.0K | 0.00% | −320−6.4% | Reduced |
| Toronto Dominion Bank | 4,300 | $93.9K | 0.00% | +4,300 | New |
| Deutsche Bank AG | 4,289 | $93.6K | 0.00% | −9,320−68.5% | Reduced |
| Virtus ETF Advisers LLC | 3,500 | $76.4K | 0.04% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 3,069 | $67.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 2,709 | $59.1K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,553 | $55.7K | 0.00% | −46−1.8% | Reduced |
| BNP Paribas Arbitrage, SA | 2,491 | $54.4K | 0.00% | +237+10.5% | Added |
| Russell Investments Group, Ltd. | 1,284 | $28.0K | 0.00% | −874−40.5% | Reduced |
| Royal Bank of Canada | 1,208 | $26.0K | 0.00% | −19,203−94.1% | Reduced |
| Ameritas Investment Partners, Inc. | 1,033 | $22.6K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 693 | $15.1K | 0.00% | −117−14.4% | Reduced |
| Citigroup Inc | 628 | $13.7K | 0.00% | −679−52.0% | Reduced |
| Tower Research Capital LLC (TRC) | 608 | $13.3K | 0.00% | −442−42.1% | Reduced |
| Parallel Advisors, LLC | 570 | $12.4K | 0.00% | +517+975.5% | Added |
| Amalgamated Bank | 354 | $8.00K | 0.00% | −82−18.8% | Reduced |
| CWM, LLC | 322 | $7.00K | 0.00% | −492−60.4% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 304 | $6.64K | 0.00% | +304 | New |
| Signaturefd, LLC | 250 | $5.46K | 0.00% | +106+73.6% | Added |
| Nisa Investment Advisors, LLC | 203 | $4.43K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 197 | $4.30K | 0.00% | +138+233.9% | Added |
| The PNC Financial Services Group, Inc. | 193 | $4.21K | 0.00% | +160+484.8% | Added |
| Quarry LP | 188 | $4.10K | 0.00% | +188 | New |
| Private Wealth Management Group, LLC | 185 | $4.04K | 0.00% | +185 | New |
| Advisor Group Holdings, Inc. | 167 | $3.65K | 0.00% | −2−1.2% | Reduced |
| Los Angeles Capital Management LLC | 141 | $2.76K | 0.00% | +141 | New |