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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, Q4 2021

Institutional positions in Anterix Inc. as of Dec 31, 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. Q3 2021
Shares held
15.2M
−9.91K (−0.1%) vs. Q3 2021
Total value
$892.1M
−$28.3M (−3.1%) vs. Q3 2021
New holders
15
35 more added
Sold out
14
33 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 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 heldQ4 2021: $892.1M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Anterix Inc.; share changes are against Q3 2021.

Institutions holding ATEX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Owl Creek Asset Management, L.P.5,411,776$318.0M21.34%00.0%Unchanged
Morgan Stanley1,410,416$82.9M0.01%+72,758+5.4%Added
BlackRock Inc.914,926$53.8M0.00%+74,613+8.9%Added
Bain Capital Credit, LP807,608$47.5M6.93%00.0%Unchanged
Vanguard Group Inc715,328$42.0M0.00%+35,531+5.2%Added
Heard Capital LLC602,156$35.4M5.54%+178,106+42.0%Added
Price Michael F561,000$33.0M3.65%00.0%Unchanged
Stonehill Capital Management LLC560,317$32.9M7.23%+208,373+59.2%Added
QVT Financial LP436,666$25.7M0.90%+79,928+22.4%Added
Dimensional Fund Advisors LP329,391$19.4M0.01%+10,611+3.3%Added
Geode Capital Management, LLC267,670$15.7M0.00%+31,038+13.1%Added
State Street Corp253,105$14.9M0.00%+14,198+5.9%Added
Clearbridge Investments, LLC233,854$13.7M0.01%−18,629−7.4%Reduced
DG Capital Management, LLC218,747$12.9M2.57%−3,786−1.7%Reduced
Resolute Capital Asset Partners LLC209,275$12.3M8.03%+209,275New
Roubaix Capital, LLC181,123$10.6M6.49%−9,748−5.1%Reduced
Northern Trust Corp136,663$8.03M0.00%−195−0.1%Reduced
Nuveen Asset Management, LLC143,262$8.01M0.00%−3,892−2.6%Reduced
Charles Schwab Investment Management Inc115,802$6.80M0.00%+3,694+3.3%Added
Tudor Investment Corp Et Al105,000$6.17M0.12%00.0%Unchanged
Sirios Capital Management L P103,193$6.06M0.69%−8,298−7.4%Reduced
Scoggin Management LP100,000$5.88M4.51%+100,000New
Schonfeld Strategic Advisors LLC94,452$5.55M0.05%+8,094+9.4%Added
Hudson Bay Capital Management LP89,868$5.28M0.06%−76−0.1%Reduced
Gabelli Funds LLC86,000$5.05M0.03%+500+0.6%Added
FMR LLC81,356$4.78M0.00%+79,485+4,248.3%Added
D. E. Shaw & Co., Inc.64,299$3.78M0.00%−23,136−26.5%Reduced
SG Americas Securities, LLC61,716$3.63M0.02%+38,572+166.7%Added
State of Wisconsin Investment Board59,300$3.48M0.01%00.0%Unchanged
Garnet Equity Capital Holdings, Inc.59,295$3.48M2.36%00.0%Unchanged
Kirr Marbach & Co LLC58,369$3.43M0.91%+2,274+4.1%Added
Bank of New York Mellon Corp57,854$3.40M0.00%−1,182−2.0%Reduced
Parametric Portfolio Associates LLC51,708$3.04M0.00%−3,683−6.6%Reduced
Teton Advisors, Inc.50,000$2.94M0.42%00.0%Unchanged
Millennium Management LLC45,714$2.69M0.00%−2,679−5.5%Reduced
Two Sigma Advisers, LP41,800$2.46M0.01%−36,300−46.5%Reduced
Goldman Sachs Group Inc28,735$1.69M0.00%−16,697−36.8%Reduced
Bank of America Corp27,628$1.62M0.00%+4,710+20.6%Added
Swiss National Bank25,950$1.52M0.00%+800+3.2%Added
EAM Investors, LLC22,838$1.34M0.22%−28,552−55.6%Reduced
Susquehanna International Group, LLP19,524$1.15M0.00%+10,671+120.5%Added
O'Brien Greene & Co. Inc18,200$1.07M0.35%00.0%Unchanged
Employees Retirement System of Texas16,600$975.0K0.01%00.0%Unchanged
California State Teachers Retirement System16,369$962.0K0.00%+840+5.4%Added
Rhumbline Advisers15,406$905.0K0.00%−190−1.2%Reduced
Marshall Wace, LLP14,854$872.0K0.00%+14,854New
Citadel Advisors LLC12,684$745.0K0.00%+184+1.5%Added
JPMorgan Chase & Co12,196$716.0K0.00%+7,323+150.3%Added
SEI Investments Co11,484$677.0K0.00%−242−2.1%Reduced
NJ State Employees Deferred Compensation Plan11,000$646.0K0.08%00.0%Unchanged
Martingale Asset Management L P10,098$595.0K0.01%+6,705+197.6%Added
Aureus Asset Management, LLC9,930$583.0K0.04%00.0%Unchanged
Deutsche Bank AG9,639$567.0K0.00%+577+6.4%Added
Gilder Gagnon Howe & Co LLC9,375$551.0K0.00%+36+0.4%Added
AQR Capital Management LLC9,339$549.0K0.00%+5,398+137.0%Added
Royal Bank of Canada8,980$528.0K0.00%+1,156+14.8%Added
Credit Suisse AG8,948$525.0K0.00%+716+8.7%Added
Woodmont Investment Counsel LLC8,875$521.0K0.07%00.0%Unchanged
LPL Financial LLC8,733$513.0K0.00%−196−2.2%Reduced
New York State Common Retirement Fund8,297$488.0K0.00%−1,295−13.5%Reduced
Wells Fargo & Company8,155$480.0K0.00%+6,627+433.7%Added
UBS Asset Management Americas Inc8,115$476.8K0.00%−540−6.2%Reduced
Two Sigma Investments, LP8,100$476.0K0.00%−7,785−49.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.7,106$418.0K0.00%−2,540−26.3%Reduced
American International Group, Inc.6,180$363.0K0.00%−98−1.6%Reduced
Alliancebernstein L.P.6,100$358.0K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The5,867$345.0K0.00%−185−3.1%Reduced
CenterBook Partners LP5,395$317.0K0.19%+5,395New
State Board of Administration of Florida Retirement System5,305$312.0K0.00%00.0%Unchanged
UBS Group AG5,275$310.0K0.00%+4,660+757.7%Added
Steward Partners Investment Advisory, LLC5,000$294.0K0.00%00.0%Unchanged
Gamco Investors, Inc. Et Al5,000$294.0K0.00%+5,000New
Voya Investment Management LLC4,570$269.0K0.00%−29−0.6%Reduced
Invesco Ltd.4,464$263.0K0.00%−202−4.3%Reduced
Gsa Capital Partners LLP4,407$259.0K0.03%−874−16.5%Reduced
M&T Bank Corp4,330$255.0K0.00%+49+1.1%Added
MetLife Investment Management4,083$239.9K0.00%00.0%Unchanged
Legal & General Group Plc4,018$236.0K0.00%00.0%Unchanged
Virginia Retirement Systems Et Al3,700$217.0K0.00%+3,700New
Citigroup Inc3,236$190.0K0.00%+1,727+114.4%Added
Metropolitan Life Insurance Co2,999$176.2K0.00%00.0%Unchanged
Sandy Cove Advisors, LLC2,000$118.0K0.10%+2,000New
Spire Wealth Management1,868$110.0K0.00%+1,868New
Emerald Advisers, LLC1,100$65.0K0.00%+1,100New
Quantbot Technologies LP1,000$58.0K0.00%−300−23.1%Reduced
Ameritas Investment Partners, Inc.926$54.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)912$54.0K0.00%00.0%Unchanged
PenderFund Capital Management Ltd.700$52.0K0.01%+700New
Great West Life Assurance Co834$49.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)688$40.0K0.00%+276+67.0%Added
Aquatic Capital Management LLC600$35.0K0.07%+600New
Simplex Trading, LLC257$15.0K0.00%−15,590−98.4%Reduced
Nisa Investment Advisors, LLC275$14.0K0.00%−800−74.4%Reduced
The PNC Financial Services Group, Inc.211$12.0K0.00%+61+40.7%Added
US Bancorp183$11.0K0.00%00.0%Unchanged
Baillie Gifford & Co162$10.0K0.00%00.0%Unchanged
Captrust Financial Advisors154$9.00K0.00%+82+113.9%Added
Allworth Financial LP137$8.00K0.00%+137New
Signaturefd, LLC105$6.00K0.00%+35+50.0%Added
Group One Trading, L.P.84$5.00K0.00%−633−88.3%Reduced