AnterixATEX
13F holders, Q1 2025 (March 31)128holders +13
26new positions
11sold out
6famous investors
$36.60avg. 13F price*
At the end of Q1 2025, 128 institutions reported holding Anterix Inc. (ATEX) in their 13F filings, up 13 from Q4 2024. 26 opened new positions and 11 sold out. The largest holders were Owl Creek Asset Management, L.P. ($198.1M), Heard Capital LLC ($62.8M) and Vanguard Group Inc. ($38.4M). 6 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 Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $28.0M |
| Exits | 11 | $21.2M |
All 13F filers, Q4 2024 → Q1 2025: 1,691,532 shares bought and 1,130,688 shares sold, net +560,844 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 128 holders
| Owl Creek Asset Management, L.P. | 32.29% | No change | 5,411,776 | $198.1M |
| Heard Capital LLC | 3.73% | Reduce -2.0% | 1,716,738 | $62.8M |
| Vanguard Group Inc. | 0.00% | Add +1.4% | 1,050,022 | $38.4M |
| BlackRock, Inc. | 0.00% | Add +2.0% | 1,001,491 | $36.7M |
| DG Capital Management, LLC | 12.85% | Add +50.2% | 644,413 | $23.6M |
| QVT Financial LP | 1.89% | No change | 503,941 | $18.4M |
| Garnet Equity Capital Holdings, Inc. | 7.96% | Reduce -0.4% | 387,395 | $14.2M |
| Geode Capital Management, LLC | 0.00% | Reduce -1.6% | 352,982 | $12.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -11.2% | 346,075 | $12.7M |
| State Street Corp. | 0.00% | Reduce -12.8% | 328,130 | $12.0M |
| Scoggin Management LP | 5.44% | New | 300,000 | $11.0M |
| FMR LLC | 0.00% | Reduce -3.8% | 295,515 | $10.8M |
| Citadel Advisors | 0.01% | Add +48.4% | 249,194 | $9.1M |
| D. E. Shaw & Co. | 0.01% | Add +19.8% | 248,408 | $9.1M |
| Clearbridge Investments, LLC | 0.01% | Reduce -21.4% | 235,511 | $8.6M |
| GAMCO Investors | 0.08% | Add +36.6% | 202,570 | $7.4M |
| Nuveen, LLC | 0.00% | — | 196,835 | $7.2M |
| Morgan Stanley | 0.00% | Add +102.9% | 190,793 | $7.0M |
| Bank of America Corp. | 0.00% | Add +555.8% | 166,427 | $6.1M |
| Roubaix Capital, LLC | 3.08% | New | 161,706 | $5.9M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -14.7% | 152,580 | $5.6M |
| Gabelli Funds LLC | 0.04% | Add +6.3% | 145,400 | $5.3M |
| Tudor Investment Corporation | 0.05% | Reduce -1.0% | 139,997 | $5.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.6% | 130,889 | $4.8M |
| Northern Trust Corp. | 0.00% | Reduce -5.3% | 126,145 | $4.6M |
| Marshall Wace, LLP | 0.01% | Add +208.5% | 124,997 | $4.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +17.7% | 124,706 | $4.6M |
| Millennium Management | 0.00% | Add +50.6% | 116,473 | $4.3M |
| AYAL Capital Advisors Ltd | 2.40% | New | 98,671 | $3.6M |
| Kirr Marbach & Co. LLC | 0.82% | Add +4.8% | 96,797 | $3.5M |
| Balyasny Asset Management L.P. | 0.01% | Add +44.9% | 76,997 | $2.8M |
| UBS Group AG | 0.00% | Reduce -9.0% | 54,814 | $2.0M |
| Squarepoint Ops LLC | 0.00% | Add +2.1% | 53,486 | $2.0M |
| Teton Advisors, Inc. | 1.18% | Reduce -2.0% | 50,000 | $1.8M |
| Jane Street Group, LLC | 0.00% | Add +13.2% | 45,028 | $1.6M |
| Engineers Gate Manager LP | 0.02% | Reduce -5.5% | 37,577 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -42.8% | 37,005 | $1.4M |
| Harber Asset Management LLC | 0.47% | New | 35,608 | $1.3M |
| Barclays PLC | 0.00% | Reduce -12.9% | 33,121 | $1.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -5.5% | 32,765 | $1.2M |
| Woodmont Investment Counsel LLC | 0.08% | Reduce -7.9% | 31,888 | $1.2M |
| Kettle Hill Capital Management, LLC | 0.30% | Reduce -61.6% | 29,469 | $1.1M |
| LPL Financial LLC | 0.00% | Add +266.2% | 28,917 | $1.1M |
| Schonfeld Strategic Advisors LLC | 0.01% | New | 27,040 | $990K |
| ExodusPoint Capital Management, LP | 0.01% | Reduce -65.6% | 26,983 | $988K |
| Cubist Systematic Strategies, LLC | 0.01% | Reduce -24.1% | 25,658 | $939K |
| SG Americas Securities, LLC | 0.00% | Add +23.6% | 25,192 | $922K |
| Man Group plc | 0.00% | Add +143.9% | 24,215 | $886K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -1.3% | 23,771 | $870K |
| HRT Financial LP | 0.00% | New | 20,716 | $758K |
| Brown Advisory Inc. | 0.00% | New | 20,000 | $732K |
| Swiss National Bank | 0.00% | Add +8.8% | 19,850 | $727K |
| Harvest Management LLC | 0.32% | New | 19,000 | $695K |
| Rhumbline Advisers | 0.00% | Reduce -20.9% | 16,383 | $600K |
| Walleye Capital LLC | 0.01% | New | 15,812 | $579K |
| Walleye Trading LLC | 0.01% | New | 14,408 | $527K |
| Deutsche Bank AG | 0.00% | Reduce -8.6% | 13,902 | $509K |
| Susquehanna International Group, LLP | 0.00% | Add +57.7% | 13,656 | $500K |
| Verition Fund Management LLC | 0.00% | Reduce -13.4% | 13,417 | $491K |
| Simplex Trading, LLC | 0.02% | Add +10171.5% | 12,634 | $462K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +8.6% | 12,029 | $440K |
| AQR Capital Management | 0.00% | Add +16.9% | 11,489 | $420K |
| State of Wisconsin Investment Board | 0.00% | Add +11.8% | 11,373 | $416K |
| NJ State Employees Deferred Compensation Plan | 0.05% | No change | 11,000 | $403K |
| Ancora Advisors LLC | 0.01% | New | 10,144 | $371K |
| Alliancebernstein L.P. | 0.00% | Reduce -12.6% | 9,730 | $356K |
| Legal & General Group Plc | 0.00% | No change | 9,446 | $346K |
| Inspire Investing, LLC | 0.04% | Reduce -27.7% | 9,414 | $345K |
| California State Teachers Retirement System | 0.00% | No change | 8,770 | $321K |
| Citigroup Inc. | 0.00% | Reduce -10.5% | 7,849 | $287K |
| XTX Topco Ltd | 0.01% | Reduce -42.3% | 7,758 | $284K |
| JT Stratford LLC | 0.05% | New | 7,658 | $280K |
| Aquatic Capital Management LLC | 0.01% | Add +370.3% | 7,238 | $265K |
| Centiva Capital, LP | 0.01% | New | 6,888 | $252K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -27.7% | 6,884 | $252K |
| Franklin Resources Inc. | 0.00% | New | 6,682 | $245K |
| Intech Investment Management LLC | 0.00% | Reduce -22.6% | 6,408 | $235K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 6,200 | $227K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.0% | 6,055 | $222K |
| Wells Fargo & Company | 0.00% | Add +0.8% | 5,889 | $216K |
| Sei Investments Co. | 0.00% | Reduce -42.4% | 5,523 | $202K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.7% | 5,421 | $198K |
| Russell Investments Group, Ltd. | 0.00% | Add +185.1% | 5,123 | $188K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 4,995 | $183K |
| Meeder Asset Management Inc. | 0.01% | New | 4,562 | $167K |
| New Age Alpha Advisors, LLC | 0.01% | New | 4,228 | $155K |
| Covestor Ltd | 0.10% | Add +203300.0% | 4,068 | $149K |
| Central Pacific Bank - Trust Division | 0.02% | New | 3,500 | $128K |
| PenderFund Capital Management Ltd. | 0.04% | No change | 2,000 | $102K |
| New York State Common Retirement Fund | 0.00% | No change | 2,709 | $99K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 2,649 | $97K |
| AlphaQuest LLC | 0.01% | Reduce -66.8% | 2,520 | $92K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Reduce -24.5% | 2,017 | $74K |
| KLP Kapitalforvaltning As | 0.00% | No change | 1,800 | $66K |
| BNP Paribas Financial Markets | 0.00% | Reduce -22.4% | 1,096 | $40K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 1,033 | $38K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 974 | $36K |
| Group One Trading LLC | 0.00% | New | 762 | $28K |
| Point72 (DIFC) Ltd | 0.00% | New | 740 | $27K |
| Nisa Investment Advisors, LLC | 0.00% | Add +4.3% | 483 | $18K |
"% of holder's portfolio" is ATEX's weight in each manager's 13F, not the share of Anterix Inc. the manager owns.