Anterix Inc.

ATEX

Exchange: Nasdaq
Industry: Telephone Communications (No Radiotelephone)
SEC CIK: 0001304492

SEC filings (opens in a new tab)

In the last 90 days, Anterix Inc. insiders filed 0 open-market purchases and 11 sales; 174 institutions reported holding it in 13F filings for Q2 2026, worth $1.97B in total; no superinvestor holds it.

Key figures

Market capClose on Nov 9, 2026: $1.58B
Insider buysOpen market, last 90 days: 0
Insider sellsLast 90 days, $24.3M in total: 11
13F holdersQ2 2026, +42 vs. previous quarter: 174
13F valueReported value at the end of Q2 2026: $1.97B
Superinvestors holdingAt the end of Q2 2026: 0

Price chart

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Financials

See financial statements

From SEC filings, in USD.

Revenue, FY2026: $6.50M; +7.8% year over year
Net income, FY2026: $90.6M; No comparable prior period
Free cash flow, FY2026: $5.48M; No comparable prior period
Revenue, Q1 FY2027: $1.96M; +38.1% year over year

Short interest

See short data

From FINRA, settlement date Oct 15, 2026.

Short interest: 1.66M; Shares sold short
Change: +4.21K; +0.3% vs. previous
Days to cover: 6.08; At average daily volume

Superinvestors holding ATEX, Q2 2026

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No superinvestor reported holding ATEX at the end of Q2 2026.

Latest insider trades

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Open-market purchases and sales by Anterix Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Oct 13, 2026 (view filing)7:57 AM ET	Oct 9	4 days	Marquez ElenaChief Financial Officer	SSale	−4.98K	$80.43	−$400.6K	−28.3%12.6K after	5 lots10b5-1
Sep 23, 2026 (view filing)7:56 AM ET	Sep 21	2 days	Lang Scott A.President and CEO	SSale	−15.0K	$80.00	−$1.20M	−36.2%26.5K after	Amended10b5-1
Sep 11, 2026 (view filing)4:09 PM ET	Sep 10	1 day	Martin HeatherChief Marketing Officer	SSale	−8.06K	$84.20	−$679.0K	−23.2%26.7K after
Sep 11, 2026 (view filing)4:08 PM ET	Sep 8	3 days	Ashe Gena LChief Legal Officer & Corp Sec	SSale	−4.36K	$85.44	−$372.3K	−32.0%9.24K after	Amended2 lots
Sep 11, 2026 (view filing)4:08 PM ET	Sep 10	1 day	Daniels Leslie BDirector	SSale	−2.50K	$83.83	−$209.6K	−5.4%43.5K after
Sep 8, 2026 (view filing)4:03 PM ET	Sep 3-4	5 days	Daniels Leslie BDirector	SSale	−10.1K	$87.12	−$879.9K	−18.0%46.0K after	3 lots
Aug 27, 2026 (view filing)4:44 PM ET	Aug 25	2 days	Guttman-McCabe ChristopherChief Reg & Comm Officer	SSale	−23.4K	$92.36	−$2.16M	−34.3%44.9K after	4 lots
Aug 26, 2026 (view filing)4:46 PM ET	Jun 18-Aug 24	69 daysLate	Kuhn Thomas R.Director, Other: Executive Chairman	SSale	−11.7K	$87.53	−$1.02M	−39.7%17.7K after	5 lots
Aug 18, 2026 (view filing)5:38 PM ET	Aug 14	4 days	Heard WilliamDirector	SSale	−46.4K	$90.11	−$4.18M	−2.7%1.67M after
Aug 17, 2026 (view filing)5:00 PM ET	Aug 14	3 days	Lang Scott A.President and CEO	SSale	−35.1K	$90.22	−$3.16M	−45.8%41.5K after	4 lots

Top 10 13F holders, Q2 2026

See all 174 holders

The largest institutional positions in Anterix Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding ATEX in Q2 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
Owl Creek Asset Management, L.P.	5,411,776	$557.1M	49.39%	00.0%	Unchanged
T. Rowe Price Investment Management, Inc.	2,348,019	$241.7M	0.16%	+2,348,019	New
Heard Capital LLC	1,716,738	$176.7M	7.56%	00.0%	Unchanged
BlackRock, Inc.	1,075,115	$110.7M	0.00%	+67,972+6.7%	Added
Price T Rowe Associates Inc	750,451	$77.3M	0.01%	+742,496+9,333.7%	Added
Jupiter Topco LLC	662,415	$68.2M	0.03%	+662,415	New
Vanguard Capital Management LLC	553,002	$56.9M	0.00%	−20,845−3.6%	Reduced
Plustick Management LLC	520,000	$53.5M	22.69%	+20,404+4.1%	Added
State Street Corp	495,950	$51.1M	0.00%	+108,032+27.8%	Added
Gamco Investors, Inc. Et Al	415,520	$42.8M	0.38%	−10,300−2.4%	Reduced

Holders of 5% or more of ATEX

See all 3 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Anterix Inc..

Largest holders of ATEX from 13D and 13G filings
Holder	Latest form	Stake	Change	First filed	Latest filing	Filing
Owl Creek Asset Management, L.P.	13D/A	28.50%5.55M shares	–	Feb 14, 20233 filings	Jul 8, 2026	SEC
T. Rowe Price Investment Management, Inc.	13G	12.00%2.35M shares	New	Jul 8, 20261 filing	Jul 8, 2026	SEC
Heard Capital LLC	13D/A	9.40%1.74M shares	–	Feb 13, 20235 filings	Mar 5, 2025	SEC