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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 2023

Institutional positions in Anterix Inc. as of Mar 31, 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
88
−3 vs. Q4 2022
Shares held
15.6M
−38.9K (−0.2%) vs. Q4 2022
Total value
$515.5M
+$12.3M (+2.4%) vs. Q4 2022
New holders
3
38 more added
Sold out
6
24 more reduced

1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 88 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 2023: $515.5M
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 2023

Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q4 2022.

Institutions holding ATEX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Owl Creek Asset Management, L.P.5,411,776$178.8M14.29%00.0%Unchanged
Heard Capital LLC1,719,790$56.8M4.73%+210,530+13.9%Added
BlackRock Inc.1,324,387$43.8M0.00%+35,656+2.8%Added
Stonehill Capital Management LLC874,942$28.9M32.01%00.0%Unchanged
Vanguard Group Inc804,172$26.6M0.00%+3,542+0.4%Added
Morgan Stanley771,101$25.5M0.00%−643,947−45.5%Reduced
QVT Financial LP503,941$16.7M0.98%00.0%Unchanged
Price Jennifer C.400,000$13.2M4.21%00.0%Unchanged
State Street Corp397,365$13.1M0.00%+10,443+2.7%Added
Geode Capital Management, LLC379,648$12.5M0.00%+12,757+3.5%Added
Dimensional Fund Advisors LP330,935$10.9M0.00%+40,061+13.8%Added
Clearbridge Investments, LLC313,944$10.4M0.01%+6,085+2.0%Added
DG Capital Management, LLC208,867$6.90M3.91%+208,867New
Garnet Equity Capital Holdings, Inc.198,802$6.57M10.41%+112,600+130.6%Added
Northern Trust Corp178,532$5.90M0.00%−166−0.1%Reduced
PenderFund Capital Management Ltd.126,500$5.65M1.78%00.0%Unchanged
FMR LLC162,862$5.38M0.00%+51,733+46.6%Added
Charles Schwab Investment Management Inc140,751$4.65M0.00%+3,066+2.2%Added
Roubaix Capital, LLC115,612$3.82M2.91%−42,083−26.7%Reduced
Gabelli Funds LLC112,500$3.72M0.03%−3,000−2.6%Reduced
Tudor Investment Corp Et Al102,328$3.38M0.06%−19,497−16.0%Reduced
Resolute Capital Asset Partners LLC73,189$2.42M1.77%−19,456−21.0%Reduced
Goldman Sachs Group Inc69,503$2.30M0.00%+38,946+127.5%Added
Bank of New York Mellon Corp67,142$2.22M0.00%+403+0.6%Added
Kirr Marbach & Co LLC64,287$2.12M0.66%+10,263+19.0%Added
Teton Advisors, Inc.63,000$2.08M0.55%00.0%Unchanged
Scoggin Management LP50,000$1.65M2.41%−37,500−42.9%Reduced
Citadel Advisors LLC48,462$1.60M0.00%+40,283+492.5%Added
Nuveen Asset Management, LLC42,171$1.39M0.00%−3,461−7.6%Reduced
Jane Street Group, LLC39,245$1.30M0.00%−3,813−8.9%Reduced
Bank of America Corp33,742$1.11M0.00%+5,806+20.8%Added
Gamco Investors, Inc. Et Al32,600$1.08M0.01%+2,300+7.6%Added
Swiss National Bank28,650$946.6K0.00%−3,400−10.6%Reduced
Woodmont Investment Counsel LLC27,650$913.6K0.10%+13,200+91.3%Added
Rhumbline Advisers26,240$867.0K0.00%+3,184+13.8%Added
CenterBook Partners LP22,094$730.0K0.10%+2,734+14.1%Added
Thompson Siegel & Walmsley LLC18,534$612.0K0.01%+5,990+47.8%Added
California State Teachers Retirement System18,503$611.3K0.00%−361−1.9%Reduced
Susquehanna International Group, LLP17,572$580.6K0.00%+17,572New
JPMorgan Chase & Co16,109$532.0K0.00%+1,000+6.6%Added
SG Americas Securities, LLC15,993$528.0K0.01%−1,231−7.1%Reduced
D. E. Shaw & Co., Inc.14,752$487.4K0.00%−5,728−28.0%Reduced
State of Wisconsin Investment Board14,171$468.2K0.00%−63,882−81.8%Reduced
UBS Asset Management Americas Inc13,692$452.4K0.00%+1,749+14.6%Added
Deutsche Bank AG13,233$437.2K0.00%+4,333+48.7%Added
Alliancebernstein L.P.11,400$376.7K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan11,000$363.4K0.06%00.0%Unchanged
Credit Suisse AG10,523$347.7K0.00%+1,090+11.6%Added
Commonwealth Equity Services, LLC10,342$341.0K0.00%00.0%Unchanged
Aureus Asset Management, LLC9,930$328.1K0.03%00.0%Unchanged
MetLife Investment Management9,837$325.0K0.00%00.0%Unchanged
New York State Common Retirement Fund9,459$312.5K0.00%−3,400−26.4%Reduced
Barclays PLC9,312$307.7K0.00%+4,368+88.3%Added
American International Group, Inc.8,884$293.5K0.00%+177+2.0%Added
LPL Financial LLC7,277$240.4K0.00%−162−2.2%Reduced
Manufacturers Life Insurance Company, The7,036$232.5K0.00%00.0%Unchanged
Voya Investment Management LLC6,998$231.2K0.00%00.0%Unchanged
UBS Group AG6,702$221.4K0.00%+52+0.8%Added
Legal & General Group Plc5,987$197.8K0.00%+489+8.9%Added
Simplex Trading, LLC5,068$167.0K0.01%+3,362+197.1%Added
Wells Fargo & Company3,821$126.2K0.00%+3,212+527.4%Added
Amalgamated Bank2,117$70.0K0.00%−431−16.9%Reduced
Ameritas Investment Partners, Inc.1,443$47.7K0.00%00.0%Unchanged
Royal Bank of Canada1,130$37.0K0.00%−2,214−66.2%Reduced
Metropolitan Life Insurance Co1,115$36.8K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC996$33.0K0.00%+780+361.1%Added
Spire Wealth Management934$30.9K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)912$30.1K0.00%00.0%Unchanged
Great West Life Assurance Co834$28.0K0.00%00.0%Unchanged
Signaturefd, LLC675$22.3K0.00%+476+239.2%Added
Quadrant Capital Group LLC618$20.4K0.00%+160+34.9%Added
Tower Research Capital LLC (TRC)485$16.0K0.00%+88+22.2%Added
US Bancorp428$14.1K0.00%−38−8.2%Reduced
Citigroup Inc334$11.0K0.00%−141−29.7%Reduced
Group One Trading, L.P.300$9.91K0.00%−8,514−96.6%Reduced
Lindbrook Capital, LLC270$8.92K0.00%+178+193.5%Added
Advisor Group Holdings, Inc.245$8.10K0.00%−41−14.3%Reduced
Baillie Gifford & Co162$5.35K0.00%00.0%Unchanged
CWM, LLC161$5.00K0.00%+78+94.0%Added
Private Trust Co NA115$3.80K0.00%−35−23.3%Reduced
Parallel Advisors, LLC109$3.60K0.00%+36+49.3%Added
Global Retirement Partners, LLC39$1.22K0.00%00.0%Unchanged
Ellevest, Inc.31$1.02K0.00%+25+416.7%Added
Glassman Wealth Services27$8920.00%−16−37.2%Reduced
The PNC Financial Services Group, Inc.12$3960.00%00.0%Unchanged
Farther Finance Advisors, LLC11$3630.00%00.0%Unchanged
Russell Investments Group, Ltd.9$2970.00%+9New
Covestor Ltd3$00.00%00.0%Unchanged
Martingale Asset Management L P0$00.00%−13,303−100.0%Sold out
Two Sigma Investments, LP0$00.00%−9,462−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−7,100−100.0%Sold out
Lazard Asset Management LLC0$00.00%−3,107−100.0%Sold out
Emerald Advisers, LLC0$00.00%−1,100−100.0%Sold out
Umb Bank N A0$00.00%−29−100.0%Sold out
Alpha Paradigm Partners, LLC––––Not filed