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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, Q1 2021

Institutional positions in Anterix Inc. as of Mar 31, 2021. 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
97
No complete 13F data for Q4 2020
Shares held
15.5M
No complete 13F data for Q4 2020
Total value
$731.0M
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 97 institutions
Q1 2021: 97 institutionsQ2 2021: 107 institutionsQ3 2021: 108 institutionsQ4 2021: 108 institutionsQ1 2022: 109 institutionsQ2 2022: 95 institutionsQ3 2022: 100 institutionsQ4 2022: 92 institutionsQ1 2023: 88 institutionsQ2 2023: 95 institutionsQ3 2023: 98 institutionsQ4 2023: 93 institutionsQ1 2024: 98 institutionsQ2 2024: 115 institutionsQ3 2024: 129 institutionsQ4 2024: 116 institutionsQ1 2025: 130 institutionsQ2 2025: 112 institutionsQ3 2025: 111 institutionsQ4 2025: 117 institutionsQ1 2026: 132 institutionsQ2 2026: 171 institutions
Value heldQ1 2021: $731.0M
Q1 2021: $731.0MQ2 2021: $912.0MQ3 2021: $920.4MQ4 2021: $892.1MQ1 2022: $881.6MQ2 2022: $620.9MQ3 2022: $567.4MQ4 2022: $503.6MQ1 2023: $515.5MQ2 2023: $491.3MQ3 2023: $472.2MQ4 2023: $492.4MQ1 2024: $493.3MQ2 2024: $593.3MQ3 2024: $593.7MQ4 2024: $490.5MQ1 2025: $598.6MQ2 2025: $431.0MQ3 2025: $341.2MQ4 2025: $353.3MQ1 2026: $646.5MQ2 2026: $1.97B
Institutions holding ATEX and their total value by quarter
QuarterHoldersValue
Q2 2026171$1.97B
Q1 2026132$646.5M
Q4 2025117$353.3M
Q3 2025111$341.2M
Q2 2025112$431.0M
Q1 2025130$598.6M
Q4 2024116$490.5M
Q3 2024129$593.7M
Q2 2024115$593.3M
Q1 202498$493.3M
Q4 202393$492.4M
Q3 202398$472.2M
Q2 202395$491.3M
Q1 202388$515.5M
Q4 202292$503.6M
Q3 2022100$567.4M
Q2 202295$620.9M
Q1 2022109$881.6M
Q4 2021108$892.1M
Q3 2021108$920.4M
Q2 2021107$912.0M
Q1 202197$731.0M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Anterix Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ATEX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Owl Creek Asset Management, L.P.5,411,776$255.2M12.10%––
Allianz Asset Management GmbH1,358,156$64.1M0.07%––
Morgan Stanley1,323,130$62.4M0.01%––
BlackRock Inc.831,103$39.2M0.00%––
Bain Capital Credit, LP807,610$38.1M8.45%––
Vanguard Group Inc633,789$29.9M0.00%––
Price Michael F561,000$26.5M3.17%––
Sixth Street Partners Management Company, L.P.380,000$17.9M1.91%––
QVT Financial LP356,738$16.8M1.18%––
Clearbridge Investments, LLC304,450$14.4M0.01%––
Dimensional Fund Advisors LP269,007$12.7M0.00%––
Heard Capital LLC263,076$12.4M3.49%––
State Street Corp234,288$11.0M0.00%––
Brahman Capital Corp.198,128$9.34M0.79%––
DG Capital Management, LLC195,569$9.22M2.33%––
Geode Capital Management, LLC192,590$9.08M0.00%––
Roubaix Capital, LLC182,995$8.63M5.83%––
Schonfeld Strategic Advisors LLC168,868$7.96M0.11%––
Northern Trust Corp138,217$6.52M0.00%––
Hudson Bay Capital Management LP114,374$5.39M0.08%––
Tudor Investment Corp Et Al105,300$4.97M0.11%––
Susquehanna International Group, LLP92,528$4.36M0.01%––
Nuveen Asset Management, LLC89,942$4.24M0.00%––
Two Sigma Investments, LP86,975$4.10M0.01%––
Two Sigma Advisers, LP85,800$4.05M0.01%––
Gabelli Funds LLC82,000$3.87M0.03%––
D. E. Shaw & Co., Inc.81,536$3.85M0.00%––
Thompson Siegel & Walmsley LLC80,113$3.78M0.05%––
Charles Schwab Investment Management Inc77,783$3.67M0.00%––
Alliancebernstein L.P.68,684$3.24M0.00%––
Teton Advisors, Inc.50,000$2.36M0.33%––
Garnet Equity Capital Holdings, Inc.46,795$2.21M1.41%––
Goldman Sachs Group Inc44,325$2.09M0.00%––
Webster Bank, N. A.42,936$2.02M0.23%––
Sirios Capital Management L P41,523$1.96M0.17%––
Bank of New York Mellon Corp36,755$1.73M0.00%––
Citadel Advisors LLC31,319$1.48M0.00%––
FMR LLC30,700$1.45M0.00%––
Bank of America Corp28,894$1.36M0.00%––
Marshall Wace, LLP28,344$1.34M0.01%––
Parametric Portfolio Associates LLC26,966$1.27M0.00%––
Swiss National Bank25,950$1.22M0.00%––
California Public Employees Retirement System22,100$1.04M0.00%––
Squarepoint Ops LLC19,089$900.0K0.01%––
Jane Street Group, LLC18,710$882.0K0.00%––
O'Brien Greene & Co. Inc18,200$858.0K0.34%––
Simplex Trading, LLC17,288$815.0K0.05%––
California State Teachers Retirement System16,454$776.0K0.00%––
Rhumbline Advisers12,998$613.0K0.00%––
New York State Common Retirement Fund11,100$523.0K0.00%––
NJ State Employees Deferred Compensation Plan11,000$519.0K0.07%––
Winton Group Ltd10,953$517.0K0.03%––
Marshall Wace North America L.P.9,635$454.0K0.00%––
Deutsche Bank AG9,156$432.0K0.00%––
Credit Suisse AG8,429$397.0K0.00%––
Royal Bank of Canada8,244$388.0K0.00%––
LPL Financial LLC6,857$323.0K0.00%––
American International Group, Inc.6,492$306.0K0.00%––
Gilder Gagnon Howe & Co LLC6,430$303.0K0.00%––
Arrowstreet Capital, Limited Partnership6,300$297.0K0.00%––
Manufacturers Life Insurance Company, The6,247$295.0K0.00%––
MetLife Investment Management6,099$287.6K0.00%––
Connor, Clark & Lunn Investment Management Ltd.5,715$270.0K0.00%––
JPMorgan Chase & Co5,482$259.0K0.00%––
State Board of Administration of Florida Retirement System5,305$250.0K0.00%––
Mirae Asset Global Investments Co., Ltd.5,272$249.0K0.00%––
Voya Investment Management LLC5,161$243.0K0.00%––
HRT Financial LP4,967$234.0K0.00%––
Wells Fargo & Company4,803$227.0K0.00%––
Metropolitan Life Insurance Co3,882$183.1K0.00%––
Cutler Group LP3,048$143.0K0.01%––
UBS Group AG2,101$99.0K0.00%––
Legal & General Group Plc1,969$93.0K0.00%––
Group One Trading, L.P.1,387$65.0K0.00%––
Panagora Asset Management Inc1,137$54.0K0.00%––
Citigroup Inc1,090$51.0K0.00%––
Jacobi Capital Management LLC1,000$47.0K0.01%––
Tower Research Capital LLC (TRC)964$46.0K0.00%––
Ameritas Investment Partners, Inc.926$44.0K0.00%––
Zurcher Kantonalbank (Zurich Cantonalbank)912$43.0K0.00%––
Great West Life Assurance Co834$39.0K0.00%––
Bank of Montreal794$37.0K0.00%––
Global Retirement Partners, LLC546$26.0K0.00%––
Steward Partners Investment Advisory, LLC500$23.6K0.00%––
Nisa Investment Advisors, LLC275$13.0K0.00%––
US Bancorp183$9.00K0.00%––
Baillie Gifford & Co162$8.00K0.00%––
Howe & Rusling Inc125$6.00K0.00%––
O'Shaughnessy Asset Management, LLC131$6.00K0.00%––
Wealthcare Advisory Partners LLC130$6.00K0.00%––
Berman Capital Advisors, LLC134$6.00K0.00%––
Signaturefd, LLC56$3.00K0.00%––
Captrust Financial Advisors72$3.00K0.00%––
Meridian Wealth Partners, LLC55$3.00K0.00%––
Parallel Advisors, LLC37$2.00K0.00%––
Private Capital Group, LLC34$2.00K0.00%––
Glassman Wealth Services27$1.00K0.00%––