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Livermore
Livermore
ZHEN

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.

Q2 2026 vs. Q1 2026

How the institutions holding Anterix Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ATEX: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders1323171+42
Shares16.9M5.80K19.1M+2.18M (+12.9%)
Value$646.5M$221.5K$1.97B+$1.32B (+204.2%)

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (58)

Institutions that held Anterix Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ATEX in Q2 2026
InstitutionSharesValue% of portfolio
T. Rowe Price Investment Management, Inc.2,348,019$241.7M0.16%
Jupiter Topco LLC662,415$68.2M0.03%
Invesco Ltd.200,975$20.7M0.00%
Granahan Investment Management Inc72,121$7.42M0.26%
TD Asset Management Inc53,258$5.48M0.00%
EAM Investors, LLC52,534$5.41M0.48%
Gilder Gagnon Howe & Co LLC32,833$3.38M0.03%
Wellington Management Group LLP31,006$3.19M0.00%
EVR Research LP25,000$2.57M1.27%
Harbor Capital Advisors, Inc.20,805$2.14M0.15%
Hanseatic Management Services Inc18,418$1.90M1.39%
Caption Management, LLC17,532$1.80M0.06%
Caxton Associates LLP13,432$1.38M0.03%
LPL Financial LLC12,353$1.27M0.00%
FCG Investment Co10,762$1.11M0.38%
Numerai GP LLC10,271$1.06M0.09%
Gotham Asset Management, LLC8,867$912.8K0.00%
XTX Topco Ltd8,582$883.4K0.01%
Occudo Quantitative Strategies LP6,562$675.5K0.04%
Aster Capital Management (DIFC) Ltd6,100$627.9K0.13%
First Trust Advisors LP5,578$574.2K0.00%
Cornerstone Investment Partners, LLC4,866$500.9K0.02%
Dark Forest Capital Management LP4,720$485.9K0.03%
Baader Bank INC4,500$463.2K0.04%
Aquatic Capital Management LLC4,299$442.5K0.02%
Brevan Howard Capital Management LP4,028$414.6K0.01%
Mirabella Financial Services LLP4,025$414.3K0.04%
State Board of Administration of Florida Retirement System3,975$409.2K0.00%
Marshall Wace, LLP3,757$386.7K0.00%
Two Sigma Investments, LP3,716$382.5K0.00%
Canada Pension Plan Investment Board3,700$380.9K0.00%
Aviva PLC3,644$375.1K0.00%
Balyasny Asset Management LLC3,254$335.0K0.00%
Manufacturers Life Insurance Company, The3,123$321.5K0.00%
SG Americas Securities, LLC2,925$301.0K0.00%
Ballentine Partners, LLC2,917$300.3K0.00%
Mercer Global Advisors Inc2,716$279.6K0.00%
Inscription Capital, LLC2,544$261.9K0.02%
Commonwealth Equity Services, LLC2,501$257.4K0.00%
Voya Investment Management LLC2,247$231.3K0.00%
Intech Investment Management LLC2,206$227.1K0.00%
Ieq Capital, LLC2,195$226.0K0.00%
FourThought Financial Partners, LLC2,173$223.7K0.02%
Victory Capital Management Inc2,102$216.4K0.00%
Entropy Technologies, LP2,025$208.5K0.01%
LMR Partners LLP2,022$208.1K0.00%
Redwood Family Wealth LLC500$51.5K0.05%
SRS Capital Advisors, Inc.451$46.4K0.00%
SBI Securities Co., Ltd.270$27.8K0.00%
Jones Financial Companies LLLP296$26.5K0.00%
Walleye Capital LLC148$15.2K0.00%
SJS Investment Consulting Inc.64$6.59K0.00%
Silver Grove Financial Group, Inc.45$4.63K0.00%
Keating Financial Advisory Services, Inc.14$1.44K0.00%
Quarry LP11$1.13K0.00%
Global Retirement Partners, LLC9$9260.00%
National Bank of Canada6$6160.00%
Clearstead Advisors, LLC1$1030.00%

Sold out (16)

Institutions that held Anterix Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ATEX in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
AYAL Capital Advisors Ltd197,119$7.53M
DG Capital Management, LLC168,217$6.42M
Ardsley Advisory Partners LP110,000$4.20M
Gratia Capital, LLC87,500$3.34M
Squarepoint Ops LLC59,736$2.28M
Resolute Capital Asset Partners LLC51,106$1.95M
Schonfeld Strategic Advisors LLC23,211$886.4K
Apis Capital Advisors, LLC19,740$753.9K
Virtu Financial LLC17,885$683.0K
J. Goldman & Co LP9,033$345.0K
ExodusPoint Capital Management, LP8,794$335.8K
Crewe Advisors LLC3,000$114.6K
RWM Asset Management, LLC775$29.6K
Los Angeles Capital Management LLC141$5.38K
Root Financial Partners, LLC47$1.79K
MAI Capital Management20$764

Not filed for Q2 2026 yet (3)

Institutions that held Anterix Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATEX in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Skopos Labs, Inc.5,284$201.8K
CWM, LLC512$19.6K
Sunbelt Securities, Inc.3$115