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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 2024

Institutional positions in Anterix Inc. as of Mar 31, 2024. 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
+5 vs. Q4 2023
Shares held
14.7M
−103.3K (−0.7%) vs. Q4 2023
Total value
$493.3M
+$873.5K (+0.2%) vs. Q4 2023
New holders
14
24 more added
Sold out
9
38 more reduced

Compare with Q4 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 holdersQ1 2024: 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 heldQ1 2024: $493.3M
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 2024

Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q4 2023.

Institutions holding ATEX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Owl Creek Asset Management, L.P.5,411,776$181.9M25.81%00.0%Unchanged
Heard Capital LLC1,736,404$58.4M3.67%−93,147−5.1%Reduced
BlackRock Inc.1,125,864$37.8M0.00%−38,513−3.3%Reduced
Vanguard Group Inc876,015$29.4M0.00%+8,020+0.9%Added
Stonehill Capital Management LLC741,482$24.9M55.94%−51,283−6.5%Reduced
QVT Financial LP503,941$17.0M1.58%00.0%Unchanged
Dimensional Fund Advisors LP411,600$13.8M0.00%+6,251+1.5%Added
State Street Corp365,094$12.3M0.00%−8,530−2.3%Reduced
Geode Capital Management, LLC359,241$12.1M0.00%+7,749+2.2%Added
Morgan Stanley333,968$11.2M0.00%+32,029+10.6%Added
Clearbridge Investments, LLC318,021$10.7M0.01%+6,844+2.2%Added
Price Jennifer C.250,000$8.40M7.93%−50,000−16.7%Reduced
Garnet Equity Capital Holdings, Inc.188,702$6.34M5.37%+30,000+18.9%Added
Roubaix Capital, LLC178,543$6.00M3.79%+11,666+7.0%Added
FMR LLC147,822$4.97M0.00%−653−0.4%Reduced
Northern Trust Corp140,984$4.74M0.00%−6,792−4.6%Reduced
Tudor Investment Corp Et Al137,839$4.63M0.06%−11,304−7.6%Reduced
Charles Schwab Investment Management Inc137,087$4.61M0.00%+2,070+1.5%Added
Gabelli Funds LLC134,100$4.51M0.03%−1,000−0.7%Reduced
Bank of America Corp97,449$3.28M0.00%+71,357+273.5%Added
Kirr Marbach & Co LLC96,820$3.25M0.79%−1,165−1.2%Reduced
Gamco Investors, Inc. Et Al93,295$3.14M0.03%+18,195+24.2%Added
Citadel Advisors LLC68,655$2.31M0.00%−12,655−15.6%Reduced
D. E. Shaw & Co., Inc.67,569$2.27M0.00%−11,614−14.7%Reduced
B. Riley Asset Management, LLC61,678$2.07M0.83%+61,678New
Teton Advisors, Inc.53,000$1.78M0.63%00.0%Unchanged
Bank of New York Mellon Corp46,853$1.57M0.00%−7,050−13.1%Reduced
Nuveen Asset Management, LLC34,107$1.15M0.00%00.0%Unchanged
Boothbay Fund Management, LLC32,472$1.09M0.03%+32,472New
Woodmont Investment Counsel LLC32,248$1.08M0.09%+1,314+4.2%Added
Goldman Sachs Group Inc30,095$1.01M0.00%−17,748−37.1%Reduced
Swiss National Bank26,250$882.3K0.00%00.0%Unchanged
Squarepoint Ops LLC25,102$843.7K0.00%−27,775−52.5%Reduced
CenterBook Partners LP25,058$842.2K0.06%+7,531+43.0%Added
Rhumbline Advisers20,232$680.0K0.00%+377+1.9%Added
Jane Street Group, LLC19,108$642.2K0.00%−13,888−42.1%Reduced
Marshall Wace, LLP16,747$562.9K0.00%+16,747New
Credit Suisse AG16,499$554.5K0.00%+578+3.6%Added
State of Wisconsin Investment Board16,125$542.0K0.00%−3,138−16.3%Reduced
UBS Group AG14,646$492.3K0.00%+9,816+203.2%Added
Jefferies Financial Group Inc.13,741$461.8K0.01%+13,741New
UBS Asset Management Americas Inc13,692$460.2K0.00%00.0%Unchanged
Simplex Trading, LLC13,667$459.0K0.01%+9,216+207.1%Added
Legal & General Group Plc13,602$457.2K0.00%+365+2.8%Added
California State Teachers Retirement System13,110$440.6K0.00%−864−6.2%Reduced
Janus Henderson Group PLC12,764$429.5K0.00%+12,764New
Barclays PLC11,660$391.9K0.00%−8,670−42.6%Reduced
Millennium Management LLC11,569$388.8K0.00%−15,549−57.3%Reduced
Sherbrooke Park Advisers LLC11,464$385.3K0.08%+11,464New
Alliancebernstein L.P.11,130$374.1K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan11,000$369.7K0.05%00.0%Unchanged
Qube Research & Technologies Ltd10,722$360.4K0.00%+10,722New
Trexquant Investment LP10,710$360.0K0.01%−9,465−46.9%Reduced
Deutsche Bank AG9,931$333.8K0.00%−1,282−11.4%Reduced
Aureus Asset Management, LLC9,930$333.7K0.02%00.0%Unchanged
AQR Capital Management LLC9,201$309.2K0.00%−886−8.8%Reduced
Los Angeles Capital Management LLC8,991$302.2K0.00%+8,991New
Two Sigma Securities, LLC7,954$267.3K0.01%+7,954New
Engineers Gate Manager LP7,633$256.5K0.01%−19−0.2%Reduced
Creative Planning6,827$229.5K0.00%+162+2.4%Added
LPL Financial LLC6,771$227.6K0.00%−133−1.9%Reduced
MetLife Investment Management6,751$226.9K0.00%00.0%Unchanged
Franklin Resources Inc6,447$216.7K0.00%−4,418−40.7%Reduced
American International Group, Inc.6,344$213.2K0.00%−54−0.8%Reduced
JPMorgan Chase & Co5,697$191.5K0.00%−2,858−33.4%Reduced
New York State Common Retirement Fund5,405$181.7K0.00%−8−0.1%Reduced
Wells Fargo & Company4,642$156.0K0.00%+528+12.8%Added
PenderFund Capital Management Ltd.2,300$104.7K0.03%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)2,649$89.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,285$76.8K0.00%−932−29.0%Reduced
Citigroup Inc2,256$75.8K0.00%+287+14.6%Added
Motco1,309$44.0K0.00%+1,309New
Ameritas Investment Partners, Inc.1,290$43.4K0.00%00.0%Unchanged
Royal Bank of Canada1,277$43.0K0.00%−2,603−67.1%Reduced
Great West Life Assurance Co974$33.0K0.00%00.0%Unchanged
FNY Investment Advisers, LLC1,000$33.0K0.02%+1,000New
Metropolitan Life Insurance Co745$25.0K0.00%00.0%Unchanged
CWM, LLC663$22.0K0.00%−31−4.5%Reduced
Russell Investments Group, Ltd.561$18.9K0.00%00.0%Unchanged
Quadrant Capital Group LLC491$16.5K0.00%−17−3.3%Reduced
Amalgamated Bank436$15.0K0.00%−1,383−76.0%Reduced
Nisa Investment Advisors, LLC446$15.0K0.00%+1+0.2%Added
Lindbrook Capital, LLC235$7.90K0.00%00.0%Unchanged
Signaturefd, LLC227$7.63K0.00%−44−16.2%Reduced
The PNC Financial Services Group, Inc.223$7.50K0.00%−33−12.9%Reduced
Private Trust Co NA115$3.87K0.00%00.0%Unchanged
STRS Ohio100$3.00K0.00%00.0%Unchanged
Parallel Advisors, LLC83$2.79K0.00%−1−1.2%Reduced
US Bancorp70$2.35K0.00%+29+70.7%Added
Global Retirement Partners, LLC50$1.68K0.00%00.0%Unchanged
Quarry LP47$1.58K0.00%+47New
Farther Finance Advisors, LLC33$1.09K0.00%+7+26.9%Added
Covestor Ltd28$1.00K0.00%+24+600.0%Added
Allworth Financial LP19$6390.00%−5−20.8%Reduced
Comerica Bank15$5140.00%00.0%Unchanged
Massmutual Trust Co FSB6$2020.00%+6New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC4$1340.00%+4New
GAMMA Investing LLC3$1010.00%00.0%Unchanged
Renaissance Technologies LLC0$00.00%−55,200−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−14,808−100.0%Sold out