ATEXANTERIX INC
CUSIP 03676C100 · Yahoo Finance ↗ · Google Finance ↗
Anterix Inc (ATEX) has 132 institutional holders in Filings Flow’s 13F database, together reporting 16.94M shares worth $637M as of Q1 2026. The largest reported holders are Owl Creek Asset Management, L.P., Heard Capital LLC, and Blackrock, Inc..
Institutional Holders
132
Q1 2026
Reported Value
$637M
Ticker
ATEX
Quarters Tracked
8
Ownership Trend
Institutional holders
Total reported value
Holders
Mixed quarters
| Manager | % of Portfolio | Value | Shares | Quarter |
|---|---|---|---|---|
| Owl Creek Asset Management, L.P.$1.4B AUM | 14.95% | $207M | 5.41M | Q1 2026OLDER |
| PLUSTICK MANAGEMENT LLC$207M AUM | 9.21% | $19M | 499.6K | Q1 2026OLDER |
| Potomac Capital Management, Inc.$115M AUM | 6.02% | $7M | 181.3K | Q1 2026OLDER |
| Potrero Capital Research LLC$163M AUM | 5.38% | $9M | 229.6K | Q1 2026OLDER |
| GRATIA CAPITAL, LLC$227M AUM | 4.83% | $11M | 287.5K | Q1 2026OLDER |
| Panoramic Capital, LLC$142M AUM | 3.62% | $5M | 135.0K | Q1 2026OLDER |
| Heard Capital LLC$1.9B AUM | 3.39% | $66M | 1.72M | Q1 2026OLDER |
| GARNET EQUITY CAPITAL HOLDINGS, INC.$642M AUM | 2.04% | $13M | 343.5K | Q1 2026OLDER |
| AYAL Capital Advisors Ltd$369M AUM | 2.04% | $8M | 197.1K | Q1 2026OLDER |
| Marble Bar Asset Management LLP$102M AUM | 2.01% | $2M | 53.5K | Q1 2026OLDER |
| DG Capital Management, LLC$326M AUM | 1.97% | $6M | 168.2K | Q1 2026OLDER |
| Beartown Capital Management, LLC$209M AUM | 1.83% | $4M | 100.0K | Q1 2026OLDER |
| Teton Advisors, LLC$142M AUM | 1.42% | $2M | 53.0K | Q1 2026OLDER |
| QVT Financial LP$1.4B AUM | 1.41% | $19M | 503.9K | Q1 2026OLDER |
| Resolute Capital Asset Partners LLC$190M AUM | 1.03% | $2M | 51.1K | Q1 2026OLDER |
| SBI Securities Co., Ltd.$3.6B AUM | 0.97% | $38M | 75.0K | Q3 2025OLDER |
| KIRR MARBACH & CO LLC /IN/$549M AUM | 0.79% | $4M | 113.8K | Q1 2026OLDER |
| SCOGGIN MANAGEMENT LP$1.0B AUM | 0.76% | $5M | 225.0K | Q3 2025OLDER |
| ARDSLEY ADVISORY PARTNERS LP$784M AUM | 0.54% | $4M | 110.0K | Q1 2026OLDER |
| Jefferson Bridge Capital, LLC$101M AUM | 0.49% | $494,561 | 12.9K | Q1 2026OLDER |
| Waterfront Wealth Inc.$545M AUM | 0.42% | $2M | 60.0K | Q1 2026OLDER |
| Gem Investment Advisors, LLC$102M AUM | 0.27% | $274,319 | 7.2K | Q1 2026OLDER |
| CenterBook Partners LP$1.9B AUM | 0.26% | $5M | 127.7K | Q1 2026OLDER |
| Atom Investors LP$1.4B AUM | 0.23% | $3M | 84.2K | Q1 2026OLDER |
| GAMCO INVESTORS, INC. ET AL$10.2B AUM | 0.16% | $16M | 425.8K | Q1 2026OLDER |
| EntryPoint Capital, LLC$341M AUM | 0.13% | $327,712 | 15.0K | Q4 2025OLDER |
| GWN SECURITIES INC.$523M AUM | 0.12% | $628,913 | 16.5K | Q1 2026OLDER |
| APIS CAPITAL ADVISORS, LLC$648M AUM | 0.12% | $753,871 | 19.7K | Q1 2026OLDER |
| GABELLI & Co INVESTMENT ADVISERS, INC.$674M AUM | 0.10% | $669,090 | 30.6K | Q4 2025OLDER |
| 683 Capital Management, LLC$1.9B AUM | 0.09% | $2M | 46.0K | Q1 2026OLDER |
| Campbell & CO Investment Adviser LLC$1.8B AUM | 0.09% | $2M | 40.5K | Q1 2026OLDER |
| Caption Management, LLC$17.1B AUM | 0.08% | $13M | 344.9K | Q1 2026OLDER |
| GABELLI FUNDS LLC$14.8B AUM | 0.07% | $10M | 265.8K | Q1 2026OLDER |
| Central Pacific Bank - Trust Division$984M AUM | 0.06% | $617,640 | 6.0K | Q2 2026 |
| VIRTUS ADVISERS, LLC$215M AUM | 0.06% | $133,665 | 3.5K | Q1 2026OLDER |
| Jefferies Financial Group Inc.$14.6B AUM | 0.05% | $10M | 454.5K | Q4 2025OLDER |
| WOODMONT INVESTMENT COUNSEL LLC$1.6B AUM | 0.04% | $699,144 | 18.3K | Q1 2026OLDER |
| Inspire Investing, LLC$1.7B AUM | 0.04% | $508,271 | 13.3K | Q1 2026OLDER |
| Proficio Capital Partners LLC$1.9B AUM | 0.04% | $763,800 | 20.0K | Q1 2026OLDER |
| OpenArc Corporate Advisory, LLC$7.0B AUM | 0.04% | $3M | 73.8K | Q1 2026OLDER |
| J. Goldman & Co LP$3.4B AUM | 0.03% | $1M | 27.3K | Q1 2026OLDER |
| FourThought Financial Partners, LLC$1.2B AUM | 0.03% | $309,297 | 14.4K | Q3 2025OLDER |
| Y-Intercept (Hong Kong) Ltd$5.1B AUM | 0.02% | $674,158 | 31.4K | Q3 2025OLDER |
| SIG BROKERAGE, LP$3.8B AUM | 0.02% | $572,850 | 15.0K | Q1 2026OLDER |
| Quantbot Technologies LP$2.4B AUM | 0.01% | $329,160 | 8.6K | Q1 2026OLDER |
| Trexquant Investment LP$13.9B AUM | 0.01% | $2M | 40.2K | Q1 2026OLDER |
| Crewe Advisors LLC$1.2B AUM | 0.01% | $114,570 | 3.0K | Q1 2026OLDER |
| XTX Topco Ltd$5.8B AUM | 0.01% | $311,187 | 14.3K | Q4 2025OLDER |
| Engineers Gate Manager LP$8.0B AUM | 0.01% | $580,784 | 27.1K | Q3 2025OLDER |
| Quadrature Capital Ltd$8.4B AUM | 0.01% | $553,831 | 14.5K | Q1 2026OLDER |
| Brooklyn Investment Group$3.2B AUM | 0.01% | $201,796 | 5.3K | Q1 2026OLDER |
| Schonfeld Strategic Advisors LLC$14.2B AUM | 0.01% | $886,428 | 23.2K | Q1 2026OLDER |
| MARSHALL WACE, LLP$100.4B AUM | 0.01% | $6M | 291.3K | Q4 2025OLDER |
| Aquatic Capital Management LLC$3.5B AUM | 0.01% | $189,375 | 8.7K | Q4 2025OLDER |
| TUDOR INVESTMENT CORP ET AL$53.9B AUM | 0.01% | $3M | 124.9K | Q4 2025OLDER |
| MILLENNIUM MANAGEMENT LLC$240.3B AUM | 0.00% | $12M | 307.9K | Q1 2026OLDER |
| Caitong International Asset Management Co., Ltd$541M AUM | 0.00% | $21,692 | 568 | Q1 2026OLDER |
| New Age Alpha Advisors, LLC$2.1B AUM | 0.00% | $90,990 | 4.2K | Q3 2025OLDER |
| Versant Capital Management, Inc$1.1B AUM | 0.00% | $41,691 | 405 | Q2 2026 |
| Man Group plc$55.1B AUM | 0.00% | $2M | 100.1K | Q4 2025OLDER |
| DIMENSIONAL FUND ADVISORS LP$481.4B AUM | 0.00% | $16M | 424.9K | Q1 2026OLDER |
| Destiny Wealth Partners, LLC$914M AUM | 0.00% | $29,597 | 775 | Q1 2026OLDER |
| Qube Research & Technologies Ltd$89.9B AUM | 0.00% | $3M | 124.6K | Q4 2025OLDER |
| ExodusPoint Capital Management, LP$12.6B AUM | 0.00% | $335,843 | 8.8K | Q1 2026OLDER |
| Squarepoint Ops LLC$85.1B AUM | 0.00% | $2M | 59.7K | Q1 2026OLDER |
| Pinnacle Wealth Planning Services, Inc.$968M AUM | 0.00% | $23,372 | 612 | Q1 2026OLDER |
| STRS OHIO$25.2B AUM | 0.00% | $599,583 | 15.7K | Q1 2026OLDER |
| JANE STREET GROUP, LLC$777.2B AUM | 0.00% | $18M | 459.5K | Q1 2026OLDER |
| CITIGROUP INC$234.5B AUM | 0.00% | $5M | 119.9K | Q1 2026OLDER |
| WOLVERINE TRADING, LLC$138.7B AUM | 0.00% | $3M | 120.7K | Q3 2025OLDER |
| Private Wealth Management Group, LLC$381M AUM | 0.00% | $7,066 | 185 | Q1 2026OLDER |
| WPG Advisers, LLC$136M AUM | 0.00% | $2,100 | 55 | Q1 2026OLDER |
| CITADEL ADVISORS LLC$618.5B AUM | 0.00% | $9M | 224.7K | Q1 2026OLDER |
| MetLife Investment Management, LLC$19.6B AUM | 0.00% | $252,130 | 6.6K | Q1 2026OLDER |
| Ameritas Investment Partners, Inc.$3.3B AUM | 0.00% | $39,450 | 1.0K | Q1 2026OLDER |
| VANGUARD FIDUCIARY TRUST CO$396.1B AUM | 0.00% | $5M | 119.5K | Q1 2026OLDER |
| STATE OF WISCONSIN INVESTMENT BOARD$43.7B AUM | 0.00% | $506,743 | 13.3K | Q1 2026OLDER |
| SIMPLEX TRADING, LLC$149.1B AUM | 0.00% | $2M | 43.8K | Q1 2026OLDER |
| Verition Fund Management LLC$15.4B AUM | 0.00% | $275,058 | 12.6K | Q4 2025OLDER |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM | 0.00% | $9M | 247.3K | Q1 2026OLDER |
| Police & Firemen's Retirement System of New Jersey$11.7B AUM | 0.00% | $117,205 | 3.1K | Q1 2026OLDER |
| Quantinno Capital Management LP$59.9B AUM | 0.00% | $596,490 | 15.6K | Q1 2026OLDER |
| GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM | 0.00% | $14M | 374.3K | Q1 2026OLDER |
| IFP Advisors, Inc$4.8B AUM | 0.00% | $41,169 | 1.1K | Q1 2026OLDER |
| Tower Research Capital LLC (TRC)$3.8B AUM | 0.00% | $32,691 | 856 | Q1 2026OLDER |
| Creative Planning$147.4B AUM | 0.00% | $1M | 32.0K | Q1 2026OLDER |
| QUADRANT CAPITAL GROUP LLC$3.3B AUM | 0.00% | $25,442 | 1.2K | Q3 2025OLDER |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM | 0.00% | $5M | 141.4K | Q1 2026OLDER |
| Walleye Capital LLC$24.0B AUM | 0.00% | $210,406 | 9.8K | Q3 2025OLDER |
| GOLDMAN SACHS GROUP INC$870.9B AUM | 0.00% | $6M | 161.8K | Q1 2026OLDER |
| BlackRock, Inc.$5.72T AUM | 0.00% | $38M | 1.01M | Q1 2026OLDER |
| Quarry LP$558M AUM | 0.00% | $4,104 | 188 | Q4 2025OLDER |
| Parallel Advisors, LLC$5.6B AUM | 0.00% | $35,631 | 933 | Q2 2026 |
| NORTHERN TRUST CORP$756.6B AUM | 0.00% | $4M | 117.6K | Q1 2026OLDER |
| VANGUARD CAPITAL MANAGEMENT LLC$4.04T AUM | 0.00% | $22M | 573.8K | Q1 2026OLDER |
| STATE STREET CORP$2.90T AUM | 0.00% | $15M | 387.9K | Q1 2026OLDER |
| TORONTO DOMINION BANK$69.7B AUM | 0.00% | $347,529 | 9.1K | Q1 2026OLDER |
| BALYASNY ASSET MANAGEMENT L.P.$77.1B AUM | 0.00% | $387,264 | 17.7K | Q4 2025OLDER |
| Bank of New York Mellon Corp$543.9B AUM | 0.00% | $3M | 67.8K | Q1 2026OLDER |
| BANK OF AMERICA CORP /DE/$1.37T AUM | 0.00% | $6M | 167.8K | Q1 2026OLDER |
| RHUMBLINE ADVISERS$116.9B AUM | 0.00% | $539,043 | 14.1K | Q1 2026OLDER |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$184.8B AUM | 0.00% | $729,144 | 33.4K | Q4 2025OLDER |
| IMC-Chicago, LLC$278.4B AUM | 0.00% | $1M | 30.4K | Q1 2026OLDER |
| VANGUARD PORTFOLIO MANAGEMENT LLC$1.91T AUM | 0.00% | $6M | 164.5K | Q1 2026OLDER |
| PRUDENTIAL FINANCIAL INC$81.2B AUM | 0.00% | $246,593 | 6.5K | Q1 2026OLDER |
| VANGUARD GROUP INC$6.90T AUM | 0.00% | $20M | 931.3K | Q4 2025OLDER |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$73.7B AUM | 0.00% | $207,181 | 5.4K | Q1 2026OLDER |
| UBS Group AG$666.3B AUM | 0.00% | $2M | 47.9K | Q1 2026OLDER |
| FMR LLC$1.90T AUM | 0.00% | $5M | 135.3K | Q1 2026OLDER |
| SIGNATUREFD, LLC$6.5B AUM | 0.00% | $17,147 | 449 | Q1 2026OLDER |
| GAMMA Investing LLC$2.7B AUM | 0.00% | $6,897 | 67 | Q2 2026 |
| Nuveen, LLC$369.3B AUM | 0.00% | $873,596 | 22.9K | Q1 2026OLDER |
| GROUP ONE TRADING LLC$52.2B AUM | 0.00% | $134,800 | 6.2K | Q4 2025OLDER |
| AQR CAPITAL MANAGEMENT LLC$218.4B AUM | 0.00% | $423,909 | 11.1K | Q1 2026OLDER |
| NEW YORK STATE COMMON RETIREMENT FUND$71.6B AUM | 0.00% | $103,457 | 2.7K | Q1 2026OLDER |
| Vanguard Global Advisers, LLC$186.5B AUM | 0.00% | $266,032 | 7.0K | Q1 2026OLDER |
| MORGAN STANLEY$1.67T AUM | 0.00% | $2M | 109.4K | Q1 2026OLDER |
| AMERICAN CENTURY COMPANIES INC$194.3B AUM | 0.00% | $254,384 | 6.7K | Q1 2026OLDER |
| D. E. Shaw & Co., Inc.$166.3B AUM | 0.00% | $217,530 | 5.7K | Q1 2026OLDER |
| DEUTSCHE BANK AG\$302.7B AUM | 0.00% | $360,666 | 9.4K | Q1 2026OLDER |
| FIFTH THIRD BANCORP$54.7B AUM | 0.00% | $64,350 | 1.7K | Q1 2026OLDER |
| MassMutual Private Wealth & Trust, FSB$3.9B AUM | 0.00% | $4,529 | 44 | Q2 2026 |
| Fortitude Family Office, LLC$448M AUM | 0.00% | $429 | 20 | Q3 2025OLDER |
| ALLIANCEBERNSTEIN L.P.$308.8B AUM | 0.00% | $264,798 | 12.1K | Q1 2026OLDER |
| Root Financial Partners, LLC$2.2B AUM | 0.00% | $1,795 | 47 | Q1 2026OLDER |
| Arax Advisory Partners$3.5B AUM | 0.00% | $1,943 | 89 | Q4 2025OLDER |
| Sterling Capital Management LLC$5.3B AUM | 0.00% | $2,788 | 73 | Q1 2026OLDER |
| True Wealth Design, LLC$360M AUM | 0.00% | $172 | 8 | Q3 2025OLDER |
| CWM, LLC$38.1B AUM | 0.00% | $19,553 | 512 | Q1 2026OLDER |
| North Star Investment Management Corp.$1.7B AUM | 0.00% | $840 | 22 | Q1 2026OLDER |
| Farther Finance Advisors, LLC$10.6B AUM | 0.00% | $5,163 | 132 | Q1 2026OLDER |
| Russell Investments Group, Ltd.$93.1B AUM | 0.00% | $43,307 | 1.1K | Q1 2026OLDER |
| BNP PARIBAS FINANCIAL MARKETS$205.8B AUM | 0.00% | $94,597 | 2.5K | Q1 2026OLDER |
| Trust Co$1.1B AUM | 0.00% | $458 | 12 | Q1 2026OLDER |
| WELLS FARGO & COMPANY/MN$530.3B AUM | 0.00% | $225,436 | 5.9K | Q2 2026 |
| Allworth Financial LP$24.7B AUM | 0.00% | $9,242 | 242 | Q1 2026OLDER |
| PRICE T ROWE ASSOCIATES INC /MD/$865M AUM | 0.00% | $304 | 8.0K | Q1 2026OLDER |
| Essential Partners LLC$250M AUM | 0.00% | $77 | 3 | Q1 2026OLDER |
| Clearstead Advisors, LLC$10.9B AUM | 0.00% | $2,212 | 103 | Q3 2025OLDER |
| NISA INVESTMENT ADVISORS, LLC$27.0B AUM | 0.00% | $7,753 | 203 | Q1 2026OLDER |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$94.5B AUM | 0.00% | $23,258 | 609 | Q1 2026OLDER |
| LOS ANGELES CAPITAL MANAGEMENT LLC$25.4B AUM | 0.00% | $5,385 | 141 | Q1 2026OLDER |
| Legal & General Group Plc$432.4B AUM | 0.00% | $91,503 | 2.4K | Q1 2026OLDER |
| ROYAL BANK OF CANADA$570.1B AUM | 0.00% | $116,000 | 3.0K | Q1 2026OLDER |
| BARCLAYS PLC$416.3B AUM | 0.00% | $82,491 | 2.2K | Q1 2026OLDER |
| JPMORGAN CHASE & CO$1.56T AUM | 0.00% | $185,224 | 5.1K | Q1 2026OLDER |
| Blue Trust, Inc.$8.7B AUM | 0.00% | $1,031 | 27 | Q1 2026OLDER |
| Hughes Financial Services, LLC$651M AUM | 0.00% | $76 | 2 | Q1 2026OLDER |
| OSAIC HOLDINGS, INC.$68.3B AUM | 0.00% | $7,330 | 192 | Q1 2026OLDER |
| EverSource Wealth Advisors, LLC$3.3B AUM | 0.00% | $345 | 9 | Q1 2026OLDER |
| US BANCORP \DE\$82.4B AUM | 0.00% | $8,555 | 224 | Q1 2026OLDER |
| PRINCIPAL SECURITIES, INC.$6.8B AUM | 0.00% | $623 | 29 | Q3 2025OLDER |
| Transamerica Financial Advisors, LLC$1.2B AUM | 0.00% | $114 | 3 | Q1 2026OLDER |
| CIBC Private Wealth Group LLC$59.2B AUM | 0.00% | $4,852 | 226 | Q3 2025OLDER |
| Sunbelt Securities, Inc.$1.6B AUM | 0.00% | $115 | 3 | Q1 2026OLDER |
| ROTHSCHILD INVESTMENT LLC$1.9B AUM | 0.00% | $107 | 5 | Q3 2025OLDER |
| PNC FINANCIAL SERVICES GROUP, INC.$173.2B AUM | 0.00% | $8,058 | 211 | Q1 2026OLDER |
| MAI Capital Management$17.7B AUM | 0.00% | $764 | 20 | Q1 2026OLDER |
| Global Retirement Partners, LLC$5.6B AUM | 0.00% | $196 | 9 | Q4 2025OLDER |
| FEDERATED HERMES, INC.$61.5B AUM | 0.00% | $1,910 | 50 | Q1 2026OLDER |
| Advisory Services Network, LLC$7.5B AUM | 0.00% | $107 | 5 | Q3 2025OLDER |
| Optiver Holding B.V.$289.5B AUM | 0.00% | $3,819 | 100 | Q2 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$481.0B AUM | 0.00% | $496 | 13 | Q1 2026OLDER |
Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.