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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, Q3 2021

Institutional positions in Anterix Inc. as of Sep 30, 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
108
+1 vs. Q2 2021
Shares held
15.2M
−4.46K (0.0%) vs. Q2 2021
Total value
$920.4M
+$8.35M (+0.9%) vs. Q2 2021
New holders
12
38 more added
Sold out
11
28 more reduced

Compare with Q2 2021: new holders, sold out and not filed yet

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 holdersQ3 2021: 108 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 heldQ3 2021: $920.4M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q2 2021.

Institutions holding ATEX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Owl Creek Asset Management, L.P.5,411,776$328.5M22.07%00.0%Unchanged
Morgan Stanley1,337,658$81.2M0.01%−65,563−4.7%Reduced
Allianz Asset Management GmbH942,517$57.2M0.05%−240,999−20.4%Reduced
BlackRock Inc.840,313$51.0M0.00%+11,855+1.4%Added
Bain Capital Credit, LP807,608$49.0M8.97%00.0%Unchanged
Vanguard Group Inc679,797$41.3M0.00%+65,201+10.6%Added
Price Michael F561,000$34.1M3.94%00.0%Unchanged
Heard Capital LLC424,050$25.7M5.00%+53,860+14.5%Added
QVT Financial LP356,738$21.7M1.70%00.0%Unchanged
Stonehill Capital Management LLC351,944$21.4M10.15%+136,858+63.6%Added
Dimensional Fund Advisors LP318,780$19.4M0.01%+28,104+9.7%Added
Clearbridge Investments, LLC252,483$15.3M0.01%−48,209−16.0%Reduced
State Street Corp238,907$14.5M0.00%−1,562−0.6%Reduced
Geode Capital Management, LLC236,632$14.4M0.00%+37,702+19.0%Added
DG Capital Management, LLC222,533$13.5M2.77%+1,964+0.9%Added
Roubaix Capital, LLC190,871$11.6M7.60%−1,318−0.7%Reduced
Northern Trust Corp136,858$8.31M0.00%+7,323+5.7%Added
Nuveen Asset Management, LLC147,154$8.13M0.00%−2,715−1.8%Reduced
Charles Schwab Investment Management Inc112,108$6.80M0.00%+31,852+39.7%Added
Sirios Capital Management L P111,491$6.77M0.71%+6,726+6.4%Added
Tudor Investment Corp Et Al105,000$6.37M0.13%00.0%Unchanged
Hudson Bay Capital Management LP89,944$5.46M0.08%+2,512+2.9%Added
D. E. Shaw & Co., Inc.87,435$5.31M0.01%+699+0.8%Added
Schonfeld Strategic Advisors LLC86,358$5.24M0.06%+13,510+18.5%Added
Gabelli Funds LLC85,500$5.19M0.03%+4,000+4.9%Added
Two Sigma Advisers, LP78,100$4.74M0.01%−23,200−22.9%Reduced
State of Wisconsin Investment Board59,300$3.60M0.01%+25,400+74.9%Added
Bank of New York Mellon Corp59,036$3.58M0.00%+19,603+49.7%Added
Kirr Marbach & Co LLC56,095$3.40M1.00%+56,095New
Parametric Portfolio Associates LLC55,391$3.36M0.00%+24,336+78.4%Added
EAM Investors, LLC51,390$3.12M0.53%+23,258+82.7%Added
Teton Advisors, Inc.50,000$3.04M0.44%00.0%Unchanged
Millennium Management LLC48,393$2.94M0.00%+19,984+70.3%Added
Goldman Sachs Group Inc45,432$2.76M0.00%+1,741+4.0%Added
Jetstream Capital LLC40,000$2.43M2.65%+40,000New
EAM Global Investors LLC39,649$2.41M0.57%00.0%Unchanged
Garnet Equity Capital Holdings, Inc.59,295$2.24M2.12%+12,500+26.7%Added
Swiss National Bank25,150$1.53M0.00%00.0%Unchanged
SG Americas Securities, LLC23,144$1.41M0.01%+23,144New
Bank of America Corp22,918$1.39M0.00%−936−3.9%Reduced
O'Brien Greene & Co. Inc18,200$1.10M0.40%00.0%Unchanged
Employees Retirement System of Texas16,600$1.01M0.01%+16,600New
Two Sigma Investments, LP15,885$964.0K0.00%−48,257−75.2%Reduced
Simplex Trading, LLC15,847$950.0K0.03%00.0%Unchanged
Rhumbline Advisers15,596$947.0K0.00%+598+4.0%Added
California State Teachers Retirement System15,529$943.0K0.00%+186+1.2%Added
Citadel Advisors LLC12,500$759.0K0.00%+4,912+64.7%Added
SEI Investments Co11,726$715.0K0.00%+11,726New
NJ State Employees Deferred Compensation Plan11,000$668.0K0.09%00.0%Unchanged
Aureus Asset Management, LLC9,930$603.0K0.04%+9,930New
Connor, Clark & Lunn Investment Management Ltd.9,646$586.0K0.00%−2,923−23.3%Reduced
New York State Common Retirement Fund9,592$582.0K0.00%−10.0%Reduced
Gilder Gagnon Howe & Co LLC9,339$567.0K0.00%−40.0%Reduced
Winton Group Ltd9,090$552.0K0.03%−1,591−14.9%Reduced
Deutsche Bank AG9,062$550.0K0.00%+685+8.2%Added
LPL Financial LLC8,929$542.0K0.00%+292+3.4%Added
Woodmont Investment Counsel LLC8,875$539.0K0.08%+8,875New
Susquehanna International Group, LLP8,853$537.0K0.00%−2,442−21.6%Reduced
UBS Asset Management Americas Inc8,655$525.4K0.00%+4,578+112.3%Added
Credit Suisse AG8,232$499.0K0.00%+469+6.0%Added
Royal Bank of Canada7,824$475.0K0.00%−538−6.4%Reduced
American International Group, Inc.6,278$381.0K0.00%+39+0.6%Added
Alliancebernstein L.P.6,100$370.0K0.00%−700−10.3%Reduced
Manufacturers Life Insurance Company, The6,052$367.0K0.00%−406−6.3%Reduced
State Board of Administration of Florida Retirement System5,305$322.0K0.00%00.0%Unchanged
Gsa Capital Partners LLP5,281$321.0K0.03%−33,336−86.3%Reduced
Mirae Asset Global Investments Co., Ltd.5,246$318.0K0.00%+632+13.7%Added
Jane Street Group, LLC5,220$317.0K0.00%−13,640−72.3%Reduced
Steward Partners Investment Advisory, LLC5,000$304.0K0.01%00.0%Unchanged
JPMorgan Chase & Co4,873$296.0K0.00%−724−12.9%Reduced
Invesco Ltd.4,666$283.0K0.00%+727+18.5%Added
Voya Investment Management LLC4,599$279.0K0.00%00.0%Unchanged
M&T Bank Corp4,281$261.0K0.00%−17−0.4%Reduced
MetLife Investment Management4,083$247.8K0.00%00.0%Unchanged
Legal & General Group Plc4,018$244.0K0.00%+2,302+134.1%Added
AQR Capital Management LLC3,941$239.0K0.00%+3,941New
Jump Financial, LLC3,835$233.0K0.02%−3,986−51.0%Reduced
Parallax Volatility Advisers, L.P.3,728$226.0K0.00%+3,728New
Martingale Asset Management L P3,393$207.0K0.00%+3,393New
HighTower Advisors, LLC3,400$206.0K0.00%+3,400New
Metropolitan Life Insurance Co2,999$182.0K0.00%00.0%Unchanged
FMR LLC1,871$114.0K0.00%+590+46.1%Added
Wells Fargo & Company1,528$92.0K0.00%+59+4.0%Added
Citigroup Inc1,509$92.0K0.00%+513+51.5%Added
Quantbot Technologies LP1,300$78.0K0.01%−1,200−48.0%Reduced
Cutler Group LP1,200$72.0K0.01%−3,086−72.0%Reduced
Nisa Investment Advisors, LLC1,075$65.0K0.00%00.0%Unchanged
Jacobi Capital Management LLC1,000$61.0K0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.926$56.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)912$55.0K0.00%00.0%Unchanged
Great West Life Assurance Co834$51.0K0.00%00.0%Unchanged
Group One Trading, L.P.717$44.0K0.00%−2,206−75.5%Reduced
UBS Group AG615$37.0K0.00%−1,159−65.3%Reduced
Advisor Group Holdings, Inc.567$34.0K0.00%+7+1.3%Added
Global Retirement Partners, LLC545$33.0K0.00%00.0%Unchanged
Thompson Siegel & Walmsley LLC470$29.0K0.00%−60,285−99.2%Reduced
Tower Research Capital LLC (TRC)412$25.0K0.00%−1,639−79.9%Reduced
US Bancorp183$11.0K0.00%00.0%Unchanged
Baillie Gifford & Co162$10.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.150$9.00K0.00%00.0%Unchanged