AnterixATEX
13F holders, Q2 2026 (June 30)171holders +39
56new positions
16sold out
6famous investors
$102.89avg. 13F price*
At the end of Q2 2026, 171 institutions reported holding Anterix Inc. (ATEX) in their 13F filings, up 39 from Q1 2026. 56 opened new positions and 16 sold out. The largest holders were Owl Creek Asset Management, L.P. ($557.1M), T. Rowe Price Investment Management, Inc. ($241.7M) and Heard Capital LLC ($176.7M). 6 famous investors held it, including Mario Gabelli (0.4% of GAMCO Investors's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Anterix Inc.
- CUSIP
- 03676C100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 56 | $312.6M |
| Exits | 16 | $28.9M |
All 13F filers, Q1 2026 → Q2 2026: 4,480,246 shares bought and 2,961,510 shares sold, net +1,518,736 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 171 holders
| Owl Creek Asset Management, L.P. | 49.39% | No change | 5,411,776 | $557.1M |
| T. Rowe Price Investment Management, Inc. | 0.16% | New | 2,348,019 | $241.7M |
| Heard Capital LLC | 7.56% | No change | 1,716,738 | $176.7M |
| BlackRock, Inc. | 0.00% | Add +6.8% | 1,075,115 | $110.7M |
| T. Rowe Price Associates Inc. | 0.01% | Add +9333.7% | 750,451 | $77.3M |
| Jupiter Topco LLC | 0.03% | — | 662,415 | $68.2M |
| Vanguard Capital Management LLC | 0.00% | Reduce -3.6% | 553,002 | $56.9M |
| Plustick Management LLC | 22.69% | Add +4.1% | 520,000 | $53.5M |
| State Street Corp. | 0.00% | Add +27.9% | 495,950 | $51.1M |
| GAMCO Investors | 0.38% | Reduce -2.4% | 415,520 | $42.8M |
| Geode Capital Management, LLC | 0.00% | Add +3.7% | 388,076 | $40.0M |
| QVT Financial LP | 2.57% | Reduce -23.8% | 383,941 | $39.5M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -12.7% | 370,964 | $38.2M |
| FMR LLC | 0.00% | Add +173.8% | 370,400 | $38.1M |
| Gabelli Funds LLC | 0.19% | Add +4.8% | 278,500 | $28.7M |
| Invesco Ltd. | 0.00% | New | 200,975 | $20.7M |
| Vanguard Portfolio Management LLC | 0.00% | Reduce -3.7% | 158,469 | $16.3M |
| Garnet Equity Capital Holdings, Inc. | 7.20% | Reduce -54.5% | 156,119 | $16.1M |
| Potomac Capital Management, Inc. | 11.68% | Reduce -10.8% | 155,071 | $16.0M |
| Panoramic Capital, LLC | 6.84% | Add +14.3% | 154,377 | $15.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -13.9% | 139,334 | $14.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.5% | 139,278 | $14.3M |
| Bank of America Corp. | 0.00% | Reduce -19.7% | 134,686 | $13.9M |
| Northern Trust Corp. | 0.00% | Add +4.8% | 123,231 | $12.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +1.3% | 120,999 | $12.5M |
| Kirr Marbach & Co. LLC | 2.01% | Add +2.0% | 116,069 | $11.9M |
| D. E. Shaw & Co. | 0.01% | Add +1532.5% | 92,990 | $9.6M |
| Morgan Stanley | 0.00% | Reduce -21.7% | 80,425 | $8.3M |
| OpenArc Corporate Advisory, LLC | 0.09% | Add +2.3% | 75,576 | $7.8M |
| Beartown Capital Management, LLC | 3.43% | Reduce -25.0% | 75,000 | $7.7M |
| Granahan Investment Management, LLC | 0.26% | New | 72,121 | $7.4M |
| Bank of New York Mellon Corp | 0.00% | Add +2.3% | 69,374 | $7.1M |
| Marble Bar Asset Management LLP | 4.87% | Add +27.5% | 68,248 | $7.0M |
| 683 Capital Management, LLC | 0.65% | Add +43.5% | 66,000 | $6.8M |
| Citigroup Inc. | 0.00% | Reduce -49.9% | 59,998 | $6.2M |
| Trexquant Investment LP | 0.03% | Add +33.0% | 53,423 | $5.5M |
| TD Asset Management Inc | 0.00% | New | 53,258 | $5.5M |
| Informed Momentum Co LLC | 0.48% | New | 52,534 | $5.4M |
| Potrero Capital Research LLC | 2.93% | Reduce -79.7% | 46,525 | $4.8M |
| Teton Advisors, LLC | 2.56% | Reduce -18.9% | 43,000 | $4.4M |
| Nuveen, LLC | 0.00% | Add +56.5% | 35,798 | $3.7M |
| Creative Planning | 0.00% | Add +8.1% | 34,541 | $3.6M |
| Gilder Gagnon Howe & Co. LLC | 0.03% | New | 32,833 | $3.4M |
| Wellington Management Group LLP | 0.00% | New | 31,006 | $3.2M |
| HRT Financial LP | 0.01% | Reduce -82.5% | 30,673 | $3.2M |
| Millennium Management | 0.00% | Reduce -90.2% | 30,340 | $3.1M |
| EVR Research LP | 1.27% | New | 25,000 | $2.6M |
| UBS Group AG | 0.00% | Reduce -49.8% | 24,018 | $2.5M |
| Campbell & CO Investment Adviser LLC | 0.11% | Reduce -47.9% | 21,084 | $2.2M |
| Harbor Capital Advisors, Inc. | 0.15% | New | 20,805 | $2.1M |
| Hanseatic Management Services Inc. | 1.39% | New | 18,418 | $1.9M |
| Caption Management, LLC | 0.07% | New | 17,532 | $1.8M |
| Jane Street Group, LLC | 0.00% | Reduce -95.8% | 17,506 | $1.8M |
| Quantinno Capital Management LP | 0.00% | Add +10.3% | 17,229 | $1.8M |
| Woodmont Investment Counsel LLC | 0.10% | Reduce -7.3% | 16,973 | $1.7M |
| State of Wisconsin Investment Board | 0.00% | Add +21.1% | 16,070 | $1.7M |
| JPMorgan Chase & Co. | 0.00% | Add +224.8% | 16,489 | $1.6M |
| American Century Companies Inc. | 0.00% | Add +136.2% | 15,731 | $1.6M |
| Deutsche Bank AG | 0.00% | Add +65.6% | 15,643 | $1.6M |
| Toronto Dominion Bank | 0.00% | Add +71.4% | 15,600 | $1.6M |
| Wells Fargo & Company | 0.00% | Add +148.2% | 14,648 | $1.5M |
| Rhumbline Advisers | 0.00% | Add +1.6% | 14,337 | $1.5M |
| AQR Capital Management | 0.00% | Add +21.1% | 13,437 | $1.4M |
| Caxton Associates LLP | 0.03% | New | 13,432 | $1.4M |
| GWN Securities Inc. | 0.23% | Reduce -18.5% | 13,425 | $1.4M |
| Quadrature Capital Ltd | 0.01% | Reduce -10.5% | 12,979 | $1.3M |
| Jefferson Bridge Capital, LLC | 1.16% | No change | 12,950 | $1.3M |
| LPL Financial LLC | 0.00% | New | 12,353 | $1.3M |
| Vanguard Global Advisers, LLC | 0.00% | Add +55.6% | 10,841 | $1.1M |
| FCG Investment Co | 0.38% | New | 10,762 | $1.1M |
| Waterfront Wealth Inc. | 0.17% | Reduce -82.1% | 10,714 | $1.1M |
| Numerai GP LLC | 0.09% | New | 10,271 | $1.1M |
| STRS Ohio | 0.00% | Reduce -37.6% | 9,800 | $1.0M |
| Citadel Advisors | 0.00% | Reduce -94.4% | 9,014 | $928K |
| Gotham Asset Management | 0.00% | New | 8,867 | $913K |
| XTX Topco Ltd | 0.01% | New | 8,582 | $883K |
| Gem Investment Advisors, LLC | 0.45% | No change | 7,183 | $739K |
| CenterBook Partners LP | 0.03% | Reduce -94.6% | 6,877 | $708K |
| MetLife Investment Management, LLC | 0.00% | Add +0.7% | 6,651 | $685K |
| Covestor Ltd | 0.39% | Reduce -22.0% | 6,637 | $683K |
| Inspire Investing, LLC | 0.03% | Reduce -50.4% | 6,604 | $680K |
| Occudo Quantitative Strategies LP | 0.04% | New | 6,562 | $675K |
| Prudential Financial Inc. | 0.00% | Add +1.2% | 6,532 | $672K |
| Aster Capital Management (DIFC) Ltd | 0.13% | New | 6,100 | $628K |
| Central Pacific Bank - Trust Division | 0.07% | No change | 6,000 | $618K |
| Susquehanna International Group, LLP | 0.00% | Reduce -86.0% | 5,584 | $575K |
| First Trust Advisors LP | 0.00% | New | 5,578 | $574K |
| Simplex Trading, LLC | 0.01% | Reduce -87.7% | 5,377 | $554K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -2.5% | 5,290 | $545K |
| Alliancebernstein L.P. | 0.00% | Add +9.9% | 13,330 | $509K |
| Cornerstone Investment Partners, LLC | 0.02% | New | 4,866 | $501K |
| Dark Forest Capital Management LP | 0.03% | New | 4,720 | $486K |
| New York State Common Retirement Fund | 0.00% | Add +66.5% | 4,509 | $464K |
| Baader Bank Aktiengesellschaft | 0.04% | New | 4,500 | $463K |
| Aquatic Capital Management LLC | 0.02% | New | 4,299 | $443K |
| Atom Investors LP | 0.04% | Reduce -95.1% | 4,124 | $425K |
| Brevan Howard Capital Management LP | 0.01% | New | 4,028 | $415K |
| Mirabella Financial Services LLP | 0.04% | New | 4,025 | $414K |
| Virtus Advisers, LLC | 0.16% | Add +13.6% | 3,976 | $409K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 3,975 | $409K |
"% of holder's portfolio" is ATEX's weight in each manager's 13F, not the share of Anterix Inc. the manager owns.