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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, Q2 2025

Institutional positions in Anterix Inc. as of Jun 30, 2025. 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
112
−17 vs. Q1 2025
Shares held
16.8M
+447.5K (+2.7%) vs. Q1 2025
Total value
$431.0M
−$167.6M (−28.0%) vs. Q1 2025
New holders
16
49 more added
Sold out
33
32 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 112 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 heldQ2 2025: $431.0M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q1 2025.

Institutions holding ATEX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Owl Creek Asset Management, L.P.5,411,776$138.8M18.30%00.0%Unchanged
Heard Capital LLC1,716,738$44.0M2.30%00.0%Unchanged
BlackRock, Inc.1,140,479$29.3M0.00%+138,988+13.9%Added
Vanguard Group Inc1,043,613$26.8M0.00%−6,409−0.6%Reduced
DG Capital Management, LLC858,039$22.0M10.38%+213,626+33.2%Added
QVT Financial LP503,941$12.9M1.81%00.0%Unchanged
Garnet Equity Capital Holdings, Inc.397,395$10.2M4.72%+10,000+2.6%Added
Geode Capital Management, LLC383,557$9.84M0.00%+30,575+8.7%Added
State Street Corp344,064$8.83M0.00%+15,934+4.9%Added
Dimensional Fund Advisors LP337,287$8.65M0.00%−8,788−2.5%Reduced
FMR LLC322,015$8.26M0.00%+26,500+9.0%Added
Scoggin Management LP300,000$7.70M3.56%00.0%Unchanged
Gamco Investors, Inc. Et Al273,425$7.01M0.07%+70,855+35.0%Added
Citadel Advisors LLC272,789$7.00M0.01%+23,595+9.5%Added
AYAL Capital Advisors Ltd240,171$6.16M3.36%+141,500+143.4%Added
D. E. Shaw & Co., Inc.232,388$5.96M0.01%−16,020−6.4%Reduced
Bank of America Corp208,445$5.35M0.00%+42,018+25.2%Added
Clearbridge Investments, LLC203,541$5.22M0.00%−31,970−13.6%Reduced
Qube Research & Technologies Ltd203,144$5.21M0.01%+50,564+33.1%Added
Nuveen, LLC196,720$5.05M0.00%−115−0.1%Reduced
Marshall Wace, LLP188,980$4.85M0.01%+63,983+51.2%Added
Gabelli Funds LLC188,152$4.83M0.03%+42,752+29.4%Added
Morgan Stanley178,872$4.59M0.00%−11,921−6.2%Reduced
Northern Trust Corp139,813$3.59M0.00%+13,668+10.8%Added
Charles Schwab Investment Management Inc138,740$3.56M0.00%+7,851+6.0%Added
Tudor Investment Corp Et Al117,167$3.01M0.02%−22,830−16.3%Reduced
Kirr Marbach & Co LLC96,747$2.48M0.49%−50−0.1%Reduced
Balyasny Asset Management LLC93,276$2.39M0.01%+16,279+21.1%Added
Goldman Sachs Group Inc88,857$2.28M0.00%−35,849−28.7%Reduced
Y-Intercept (Hong Kong) Ltd61,912$1.59M0.04%+61,912New
Millennium Management LLC57,561$1.48M0.00%−58,912−50.6%Reduced
Man Group plc56,064$1.44M0.00%+31,849+131.5%Added
UBS Group AG53,347$1.37M0.00%−1,467−2.7%Reduced
Teton Advisors, Inc.50,000$1.28M0.78%00.0%Unchanged
Schonfeld Strategic Advisors LLC49,678$1.27M0.01%+22,638+83.7%Added
Trexquant Investment LP40,077$1.03M0.01%+40,077New
Bank of New York Mellon Corp37,863$971.2K0.00%+5,098+15.6%Added
UBS Asset Management Americas Inc36,349$932.4K0.00%+12,578+52.9%Added
Woodmont Investment Counsel LLC29,058$745.3K0.05%−2,830−8.9%Reduced
Rhumbline Advisers27,998$718.1K0.00%+11,615+70.9%Added
Magnetar Financial LLC25,860$663.3K0.00%+25,860New
Engineers Gate Manager LP24,868$637.9K0.01%−12,709−33.8%Reduced
Barclays PLC24,812$636.4K0.00%−8,309−25.1%Reduced
Los Angeles Capital Management LLC20,096$515.5K0.00%+13,212+191.9%Added
Swiss National Bank19,850$509.2K0.00%00.0%Unchanged
Squarepoint Ops LLC19,735$506.2K0.00%−33,751−63.1%Reduced
SG Americas Securities, LLC18,140$465.0K0.00%−7,052−28.0%Reduced
Royal Bank of Canada18,077$464.0K0.00%+17,764+5,675.4%Added
Gabelli & Co Investment Advisers, Inc.16,350$419.4K0.06%+16,350New
Pekin Hardy Strauss, Inc.16,250$416.8K0.05%+16,250New
Susquehanna International Group, LLP15,614$400.5K0.00%+1,958+14.3%Added
CWM Advisors, LLC15,158$388.8K0.04%+5,744+61.0%Added
Gsa Capital Partners LLP14,452$371.0K0.03%+14,452New
Versor Investments LP13,900$356.5K0.06%+13,900New
Deutsche Bank AG13,892$356.3K0.00%−10−0.1%Reduced
Verition Fund Management LLC13,714$351.8K0.00%+297+2.2%Added
LPL Financial LLC13,640$349.9K0.00%−15,277−52.8%Reduced
Campbell & CO Investment Adviser LLC12,609$323.4K0.02%+12,609New
JPMorgan Chase & Co12,543$321.7K0.00%−24,462−66.1%Reduced
Alliancebernstein L.P.11,330$290.6K0.00%+1,600+16.4%Added
Legal & General Group Plc11,303$289.9K0.00%+1,857+19.7%Added
NJ State Employees Deferred Compensation Plan11,000$282.1K0.03%00.0%Unchanged
Aquatic Capital Management LLC9,376$240.5K0.00%+2,138+29.5%Added
Covestor Ltd8,245$211.0K0.12%+4,177+102.7%Added
Intech Investment Management LLC8,196$210.2K0.00%+1,788+27.9%Added
California State Teachers Retirement System8,024$205.8K0.00%−746−8.5%Reduced
MetLife Investment Management7,699$197.5K0.00%+2,278+42.0%Added
Mirae Asset Global ETFs Holdings Ltd.7,084$181.7K0.00%+1,029+17.0%Added
Walleye Trading LLC6,865$176.1K0.00%−7,543−52.4%Reduced
Wells Fargo & Company6,686$171.5K0.00%+797+13.5%Added
Central Pacific Bank - Trust Division6,000$153.9K0.02%+2,500+71.4%Added
Russell Investments Group, Ltd.5,760$147.7K0.00%+637+12.4%Added
Citigroup Inc5,277$135.4K0.00%−2,572−32.8%Reduced
Quest Partners LLC4,816$123.5K0.01%+2,296+91.1%Added
New Age Alpha Advisors, LLC4,238$108.7K0.00%+10+0.2%Added
Meeder Asset Management Inc3,822$98.0K0.01%−740−16.2%Reduced
Virtus ETF Advisers LLC3,500$89.8K0.05%+3,500New
Police & Firemen's Retirement System of New Jersey3,069$78.7K0.00%+1,052+52.2%Added
New York State Common Retirement Fund2,709$69.5K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)2,649$67.9K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA2,404$61.7K0.00%+1,308+119.3%Added
Group One Trading, L.P.1,962$50.3K0.00%+1,200+157.5%Added
FNY Investment Advisers, LLC1,900$48.0K0.02%+1,900New
KLP Kapitalforvaltning AS1,800$46.2K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,645$42.2K0.00%+1,233+299.3%Added
Ameritas Investment Partners, Inc.1,033$26.5K0.00%00.0%Unchanged
Great West Life Assurance Co974$25.0K0.00%00.0%Unchanged
Raymond James Financial Inc439$11.3K0.00%+439New
Amalgamated Bank436$11.0K0.00%00.0%Unchanged
Federated Hermes, Inc.277$7.11K0.00%−58−17.3%Reduced
Nisa Investment Advisors, LLC208$5.33K0.00%−275−56.9%Reduced
Caitong International Asset Management Co., Ltd165$4.23K0.00%−10−5.7%Reduced
Advisor Group Holdings, Inc.165$4.23K0.00%+8+5.1%Added
CWM, LLC163$4.00K0.00%−76−31.8%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.173$4.00K0.00%+173New
Private Trust Co NA135$3.46K0.00%+33+32.4%Added
US Bancorp119$3.05K0.00%+65+120.4%Added
WPG Advisers, LLC103$2.64K0.00%+3+3.0%Added
IFP Advisors, Inc0$2.62K0.00%0Unchanged
STRS Ohio100$2.56K0.00%00.0%Unchanged