AnterixATEX
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 111 institutions reported holding Anterix Inc. (ATEX) in their 13F filings, down 17 from Q1 2025. 14 opened new positions and 33 sold out. The largest holders were Owl Creek Asset Management, L.P. ($138.8M), Heard Capital LLC ($44.0M) and BlackRock, Inc. ($29.3M). 5 famous investors held it, including Mario Gabelli (0.1% of GAMCO Investors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Anterix Inc.
- CUSIP
- 03676C100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $5.3M |
| Exits | 33 | $18.6M |
All 13F filers, Q1 2025 → Q2 2025: 1,264,972 shares bought and 817,521 shares sold, net +447,451 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 111 holders
| Owl Creek Asset Management, L.P. | 18.31% | No change | 5,411,776 | $138.8M |
| Heard Capital LLC | 2.30% | No change | 1,716,738 | $44.0M |
| BlackRock, Inc. | 0.00% | Add +13.9% | 1,140,479 | $29.3M |
| Vanguard Group Inc. | 0.00% | Reduce -0.6% | 1,043,613 | $26.8M |
| DG Capital Management, LLC | 10.39% | Add +33.1% | 858,039 | $22.0M |
| QVT Financial LP | 1.88% | No change | 503,941 | $12.9M |
| Garnet Equity Capital Holdings, Inc. | 4.72% | Add +2.6% | 397,395 | $10.2M |
| Geode Capital Management, LLC | 0.00% | Add +8.7% | 383,557 | $9.8M |
| State Street Corp. | 0.00% | Add +4.9% | 344,064 | $8.8M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -2.5% | 337,287 | $8.7M |
| FMR LLC | 0.00% | Add +9.0% | 322,015 | $8.3M |
| Scoggin Management LP | 3.65% | No change | 300,000 | $7.7M |
| GAMCO Investors | 0.07% | Add +35.0% | 273,425 | $7.0M |
| Citadel Advisors | 0.01% | Add +9.5% | 272,789 | $7.0M |
| AYAL Capital Advisors Ltd | 3.36% | Add +143.4% | 240,171 | $6.2M |
| D. E. Shaw & Co. | 0.01% | Reduce -6.5% | 232,388 | $6.0M |
| Bank of America Corp. | 0.00% | Add +25.3% | 208,445 | $5.3M |
| Clearbridge Investments, LLC | 0.00% | Reduce -13.6% | 203,541 | $5.2M |
| Qube Research & Technologies Ltd | 0.01% | Add +33.1% | 203,144 | $5.2M |
| Nuveen, LLC | 0.00% | Reduce -0.1% | 196,720 | $5.0M |
| Marshall Wace, LLP | 0.01% | Add +51.2% | 188,980 | $4.8M |
| Gabelli Funds LLC | 0.03% | Add +29.4% | 188,152 | $4.8M |
| Morgan Stanley | 0.00% | Reduce -6.3% | 178,872 | $4.6M |
| Northern Trust Corp. | 0.00% | Add +10.8% | 139,813 | $3.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +6.0% | 138,740 | $3.6M |
| Tudor Investment Corporation | 0.02% | Reduce -16.3% | 117,167 | $3.0M |
| Kirr Marbach & Co. LLC | 0.49% | Reduce -0.1% | 96,747 | $2.5M |
| Balyasny Asset Management L.P. | 0.01% | Add +21.1% | 93,276 | $2.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -28.8% | 88,857 | $2.3M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 61,912 | $1.6M |
| Millennium Management | 0.00% | Reduce -50.6% | 57,561 | $1.5M |
| Man Group plc | 0.00% | Add +131.5% | 56,064 | $1.4M |
| UBS Group AG | 0.00% | Reduce -2.7% | 53,347 | $1.4M |
| Teton Advisors, Inc. | 0.81% | No change | 50,000 | $1.3M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +83.7% | 49,678 | $1.3M |
| Trexquant Investment LP | 0.01% | New | 40,077 | $1.0M |
| Bank of New York Mellon Corp | 0.00% | Add +15.6% | 37,863 | $971K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +52.9% | 36,349 | $932K |
| Woodmont Investment Counsel LLC | 0.05% | Reduce -8.9% | 29,058 | $745K |
| Rhumbline Advisers | 0.00% | Add +70.9% | 27,998 | $718K |
| Magnetar Financial LLC | 0.00% | New | 25,860 | $663K |
| Engineers Gate Manager LP | 0.01% | Reduce -33.8% | 24,868 | $638K |
| Barclays PLC | 0.00% | Reduce -25.1% | 24,812 | $636K |
| Los Angeles Capital Management LLC | 0.00% | Add +191.9% | 20,096 | $515K |
| Swiss National Bank | 0.00% | No change | 19,850 | $509K |
| Squarepoint Ops LLC | 0.00% | Reduce -63.1% | 19,735 | $506K |
| SG Americas Securities, LLC | 0.00% | Reduce -28.0% | 18,140 | $465K |
| Royal Bank of Canada | 0.00% | Add +5675.4% | 18,077 | $464K |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.06% | New | 16,350 | $419K |
| Pekin Hardy Strauss, Inc. | 0.05% | New | 16,250 | $417K |
| Susquehanna International Group, LLP | 0.00% | Add +14.3% | 15,614 | $400K |
| Inspire Investing, LLC | 0.04% | Add +61.0% | 15,158 | $389K |
| Gsa Capital Partners LLP | 0.03% | New | 14,452 | $371K |
| Versor Investments LP | 0.06% | New | 13,900 | $357K |
| Deutsche Bank AG | 0.00% | Reduce -0.1% | 13,892 | $356K |
| Verition Fund Management LLC | 0.00% | Add +2.2% | 13,714 | $352K |
| LPL Financial LLC | 0.00% | Reduce -52.8% | 13,640 | $350K |
| Campbell & CO Investment Adviser LLC | 0.02% | New | 12,609 | $323K |
| JPMorgan Chase & Co. | 0.00% | Reduce -66.1% | 12,543 | $322K |
| Alliancebernstein L.P. | 0.00% | Add +16.4% | 11,330 | $291K |
| Legal & General Group Plc | 0.00% | Add +19.7% | 11,303 | $290K |
| NJ State Employees Deferred Compensation Plan | 0.03% | No change | 11,000 | $282K |
| Aquatic Capital Management LLC | 0.00% | Add +29.5% | 9,376 | $240K |
| Covestor Ltd | 0.12% | Add +102.7% | 8,245 | $211K |
| Intech Investment Management LLC | 0.00% | Add +27.9% | 8,196 | $210K |
| California State Teachers Retirement System | 0.00% | Reduce -8.5% | 8,024 | $206K |
| MetLife Investment Management, LLC | 0.00% | Add +42.0% | 7,699 | $197K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +17.0% | 7,084 | $182K |
| Walleye Trading LLC | 0.00% | Reduce -52.4% | 6,865 | $176K |
| Wells Fargo & Company | 0.00% | Add +13.5% | 6,686 | $171K |
| Central Pacific Bank - Trust Division | 0.02% | Add +71.4% | 6,000 | $154K |
| Russell Investments Group, Ltd. | 0.00% | Add +12.4% | 5,760 | $148K |
| Citigroup Inc. | 0.00% | Reduce -32.8% | 5,277 | $135K |
| AlphaQuest LLC | 0.01% | Add +91.1% | 4,816 | $124K |
| New Age Alpha Advisors, LLC | 0.00% | Add +0.2% | 4,238 | $109K |
| Meeder Asset Management Inc. | 0.01% | Reduce -16.2% | 3,822 | $98K |
| Virtus Advisers, LLC | 0.06% | New | 3,500 | $90K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +52.2% | 3,069 | $79K |
| New York State Common Retirement Fund | 0.00% | No change | 2,709 | $69K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 2,649 | $68K |
| BNP Paribas Financial Markets | 0.00% | Add +119.3% | 2,404 | $62K |
| Group One Trading LLC | 0.00% | Add +157.5% | 1,962 | $50K |
| FNY Investment Advisers, LLC | 0.02% | New | 1,900 | $48K |
| KLP Kapitalforvaltning As | 0.00% | No change | 1,800 | $46K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +299.3% | 1,645 | $42K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,033 | $26K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 974 | $25K |
| Raymond James Financial Inc. | 0.00% | New | 439 | $11K |
| Amalgamated Bank | 0.00% | No change | 436 | $11K |
| Federated Hermes, Inc. | 0.00% | Reduce -17.3% | 277 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -56.9% | 208 | $5K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -5.7% | 165 | $4K |
| Osaic Holdings, Inc. | 0.00% | Add +5.1% | 165 | $4K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | New | 173 | $4K |
| Cwm, LLC | 0.00% | Reduce -31.8% | 163 | $4K |
| Private Trust Co. NA | 0.00% | Add +32.4% | 135 | $3K |
| US Bancorp \de | 0.00% | Add +120.4% | 119 | $3K |
| WPG Advisers, LLC | 0.00% | Add +3.0% | 103 | $3K |
| STRS Ohio | 0.00% | No change | 100 | $3K |
| Global Retirement Partners, LLC | 0.00% | — | 50 | $1K |
| Geneos Wealth Management Inc. | 0.00% | Add +0.0% | 46 | $1K |
| Sterling Capital Management LLC | 0.00% | Add +3.3% | 31 | $795 |
| Cornerstone Planning Group LLC | 0.00% | New | 27 | $591 |
| Versant Capital Management, Inc | 0.00% | Reduce -47.6% | 22 | $564 |
| Parallel Advisors, LLC | 0.00% | Reduce -73.5% | 22 | $564 |
| SBI Securities Co., Ltd. | 0.00% | New | 20 | $513 |
| Farther Finance Advisors, LLC | 0.00% | Reduce -51.5% | 16 | $410 |
| Allworth Financial LP | 0.00% | Reduce -46.1% | 14 | $360 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +600.0% | 7 | $180 |
| Essential Partners LLC | 0.00% | — | 3 | $77 |
| Signaturefd, LLC | 0.00% | Reduce -99.6% | 1 | $26 |
"% of holder's portfolio" is ATEX's weight in each manager's 13F, not the share of Anterix Inc. the manager owns.