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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 2023

Institutional positions in Anterix Inc. as of Sep 30, 2023. 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
98
+3 vs. Q2 2023
Shares held
15.0M
−459.3K (−3.0%) vs. Q2 2023
Total value
$472.2M
−$19.1M (−3.9%) vs. Q2 2023
New holders
13
28 more added
Sold out
10
45 more reduced

Compare with Q2 2023: 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 2023: 98 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 2023: $472.2M
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 2023

Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q2 2023.

Institutions holding ATEX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Owl Creek Asset Management, L.P.5,411,776$169.8M21.64%00.0%Unchanged
Heard Capital LLC1,813,131$56.9M4.26%+49,959+2.8%Added
BlackRock Inc.1,092,376$34.3M0.00%−250,822−18.7%Reduced
Vanguard Group Inc831,320$26.1M0.00%+11,678+1.4%Added
Stonehill Capital Management LLC715,435$22.4M35.54%−159,507−18.2%Reduced
QVT Financial LP503,941$15.8M0.94%00.0%Unchanged
Dimensional Fund Advisors LP396,057$12.4M0.00%+21,058+5.6%Added
State Street Corp373,294$11.7M0.00%−32,442−8.0%Reduced
Geode Capital Management, LLC337,014$10.6M0.00%−55,353−14.1%Reduced
Clearbridge Investments, LLC309,198$9.70M0.01%−7,896−2.5%Reduced
Price Jennifer C.300,000$9.41M5.43%−100,000−25.0%Reduced
PenderFund Capital Management Ltd.125,620$5.35M1.60%−880−0.7%Reduced
Jefferies Financial Group Inc.164,265$5.15M0.13%+49,276+42.9%Added
Roubaix Capital, LLC163,392$5.13M3.78%−150−0.1%Reduced
Garnet Equity Capital Holdings, Inc.150,702$4.73M4.37%−23,500−13.5%Reduced
Northern Trust Corp147,852$4.64M0.00%−35,418−19.3%Reduced
Charles Schwab Investment Management Inc133,424$4.19M0.00%−8,094−5.7%Reduced
Morgan Stanley132,211$4.15M0.00%−182,742−58.0%Reduced
FMR LLC132,010$4.14M0.00%−9,083−6.4%Reduced
Gabelli Funds LLC129,500$4.06M0.03%+13,500+11.6%Added
Goldman Sachs Group Inc122,360$3.84M0.00%+37,838+44.8%Added
Luminus Management LLC115,000$3.61M1.11%+6,550+6.0%Added
Jane Street Group, LLC102,993$3.23M0.01%+76,852+294.0%Added
Tudor Investment Corp Et Al102,238$3.21M0.05%−160.0%Reduced
Millennium Management LLC81,060$2.54M0.00%+69,698+613.4%Added
Citadel Advisors LLC80,604$2.53M0.00%+5,811+7.8%Added
Bank of America Corp80,024$2.51M0.00%+52,652+192.4%Added
Renaissance Technologies LLC68,900$2.16M0.00%+68,900New
Gamco Investors, Inc. Et Al68,100$2.14M0.02%+10,600+18.4%Added
Kirr Marbach & Co LLC63,560$1.99M0.57%−61−0.1%Reduced
Teton Advisors, Inc.63,000$1.98M0.61%00.0%Unchanged
Bank of New York Mellon Corp49,963$1.57M0.00%−12,182−19.6%Reduced
HRT Financial LP39,516$1.24M0.01%+39,516New
Susquehanna International Group, LLP38,699$1.21M0.00%+11,101+40.2%Added
D. E. Shaw & Co., Inc.37,649$1.18M0.00%+20,864+124.3%Added
CenterBook Partners LP36,869$1.16M0.14%+16,170+78.1%Added
Nuveen Asset Management, LLC33,832$1.06M0.00%−8,339−19.8%Reduced
Trexquant Investment LP31,876$1.00M0.03%+31,876New
Woodmont Investment Counsel LLC30,634$961.3K0.10%+684+2.3%Added
Swiss National Bank29,350$921.0K0.00%+700+2.4%Added
SG Americas Securities, LLC26,984$847.0K0.01%+26,984New
Gsa Capital Partners LLP21,884$687.0K0.06%+21,884New
State of Wisconsin Investment Board20,418$640.7K0.00%−2,925−12.5%Reduced
Rhumbline Advisers20,184$633.4K0.00%−4,054−16.7%Reduced
STRS Ohio17,900$561.0K0.00%+17,900New
Credit Suisse AG16,451$516.2K0.00%+744+4.7%Added
California State Teachers Retirement System14,624$458.9K0.00%−3,111−17.5%Reduced
UBS Asset Management Americas Inc13,692$429.7K0.00%00.0%Unchanged
Alliancebernstein L.P.12,820$402.3K0.00%00.0%Unchanged
Wolverine Trading, LLC12,197$382.7K0.00%+12,197New
Tower Research Capital LLC (TRC)11,700$367.1K0.01%+11,098+1,843.5%Added
ExodusPoint Capital Management, LP11,469$360.0K0.00%+1,408+14.0%Added
NJ State Employees Deferred Compensation Plan11,000$345.2K0.05%00.0%Unchanged
Legal & General Group Plc10,922$342.7K0.00%−448−3.9%Reduced
Franklin Resources Inc10,834$340.0K0.00%+3,705+52.0%Added
Squarepoint Ops LLC10,045$315.2K0.00%−16,327−61.9%Reduced
Aureus Asset Management, LLC9,930$311.6K0.03%00.0%Unchanged
JPMorgan Chase & Co8,847$277.6K0.00%−7,602−46.2%Reduced
Caption Management, LLC8,200$257.3K0.03%+8,200New
Deutsche Bank AG8,165$256.2K0.00%−1,753−17.7%Reduced
Nebula Research & Development LLC7,942$249.2K0.13%−5,292−40.0%Reduced
Commonwealth Equity Services, LLC7,908$248.0K0.00%00.0%Unchanged
New York State Common Retirement Fund7,336$230.2K0.00%−2,113−22.4%Reduced
LPL Financial LLC6,804$213.5K0.00%−313−4.4%Reduced
MetLife Investment Management6,751$211.8K0.00%−3,086−31.4%Reduced
American Century Companies Inc6,454$202.5K0.00%+6,454New
American International Group, Inc.6,424$201.6K0.00%−2,427−27.4%Reduced
Barclays PLC4,650$145.9K0.00%−1,597−25.6%Reduced
Simplex Trading, LLC4,163$130.0K0.00%+3,598+636.8%Added
Aquatic Capital Management LLC3,700$116.0K0.00%−1,100−22.9%Reduced
Wells Fargo & Company3,266$102.5K0.00%−4,980−60.4%Reduced
Group One Trading, L.P.3,213$100.8K0.00%+2,200+217.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)2,649$83.1K0.00%00.0%Unchanged
Amalgamated Bank1,949$61.0K0.00%−795−29.0%Reduced
Royal Bank of Canada1,846$58.0K0.00%+156+9.2%Added
Walleye Trading LLC1,596$50.1K0.00%+1,596New
Ameritas Investment Partners, Inc.1,290$40.5K0.00%−153−10.6%Reduced
CWM, LLC996$31.0K0.00%+156+18.6%Added
Great West Life Assurance Co974$31.0K0.00%+974New
Russell Investments Group, Ltd.760$23.8K0.00%+626+467.2%Added
Metropolitan Life Insurance Co745$23.4K0.00%−370−33.2%Reduced
Quadrant Capital Group LLC647$20.3K0.00%−283−30.4%Reduced
Nisa Investment Advisors, LLC445$14.0K0.00%−1,000−69.2%Reduced
Signaturefd, LLC379$11.9K0.00%−135−26.3%Reduced
US Bancorp346$10.9K0.00%−173−33.3%Reduced
UBS Group AG307$9.63K0.00%−9,210−96.8%Reduced
The PNC Financial Services Group, Inc.288$9.04K0.00%−379−56.8%Reduced
Lindbrook Capital, LLC243$7.63K0.00%−16−6.2%Reduced
Parallel Advisors, LLC129$4.05K0.00%−12−8.5%Reduced
Private Trust Co NA115$3.61K0.00%00.0%Unchanged
Citigroup Inc53$1.66K0.00%−5,756−99.1%Reduced
Global Retirement Partners, LLC50$1.56K0.00%+11+28.2%Added
Glassman Wealth Services27$8470.00%00.0%Unchanged
Comerica Bank21$6680.00%+21New
Advisor Group Holdings, Inc.18$5640.00%+18New
Allworth Financial LP15$4710.00%+6+66.7%Added
Farther Finance Advisors, LLC11$3450.00%00.0%Unchanged
Covestor Ltd2$00.00%−1−33.3%Reduced
DG Capital Management, LLC0$00.00%−128,672−100.0%Sold out
Resolute Capital Asset Partners LLC0$00.00%−45,489−100.0%Sold out