Anterix Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqCM:ATEX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
18 Sep 25	BuyUS$98,952	Scott Lang	Individual	4,650	US$21.28
19 Aug 25	BuyUS$1,104	Timothy Gray	Individual	50	US$22.07
21 Mar 25	SellUS$1,393,339	Heard Capital LLC	Company	35,400	US$41.67
20 Feb 25	SellUS$422,858	Heard Capital LLC	Company	10,149	US$41.67
16 Dec 24	SellUS$455,085	Morgan O'Brien	Individual	13,609	US$33.44
05 Dec 24	BuyUS$119,665	Mark Fleischhauer	Individual	3,500	US$34.19
20 Nov 24	BuyUS$65,500	Leslie Daniels	Individual	2,000	US$32.75
19 Nov 24	SellUS$183,051	Gena Ashe	Individual	5,547	US$33.00

Insider Trading Volume

Insider Buying: ATEX insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of ATEX?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	561,841	3%
General Public	1,378,871	7.36%
Hedge Funds	5,411,776	28.9%
Institutions	11,387,302	60.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 82.86% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
28.9%	Owl Creek Asset Management, L.P.	5,411,776	US$122.0m	0%	15.15%
9.16%	Heard Capital LLC	1,716,738	US$38.7m	0%	1.91%
6.09%	BlackRock, Inc.	1,140,479	US$25.7m	13.9%	no data
5.57%	The Vanguard Group, Inc.	1,043,613	US$23.5m	-0.61%	no data
4.58%	DG Capital Management, LLC	858,039	US$19.3m	33.2%	8.35%
2.69%	QVT Financial LP	503,941	US$11.4m	0%	0.82%
2.46%	GAMCO Investors, Inc.	461,577	US$10.4m	32.7%	0.04%
2.12%	Garnet Equity Capital Holdings, Inc.	397,395	US$9.0m	2.58%	3.72%
2.05%	Geode Capital Management, LLC	383,557	US$8.6m	8.66%	no data
1.84%	State Street Global Advisors, Inc.	344,064	US$7.8m	4.86%	no data
1.8%	Dimensional Fund Advisors LP	337,287	US$7.6m	-2.54%	no data
1.72%	FMR LLC	322,008	US$7.3m	9.08%	no data
1.6%	Scoggin Capital Management LLC	300,000	US$6.8m	0%	2.14%
1.46%	Citadel Advisors LLC	272,789	US$6.2m	9.47%	0.01%
1.28%	Ayal Capital Advisors Limited	240,171	US$5.4m	143%	2.73%
1.24%	D. E. Shaw & Co., L.P.	232,388	US$5.2m	-6.45%	0.01%
1.09%	ClearBridge Investments, LLC	203,541	US$4.6m	-13.6%	no data
1.08%	Qube Research & Technologies Ltd	203,144	US$4.6m	33.1%	0.01%
1.05%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	195,904	US$4.4m	-0.09%	no data
1.02%	Bank of America Corporation	191,518	US$4.3m	28.2%	no data
1.01%	Marshall Wace LLP	188,980	US$4.3m	51.2%	0.01%
0.86%	Morgan Stanley	161,162	US$3.6m	4.91%	no data
0.75%	Jeffrey Altman	139,908	US$3.2m	5.88%	no data
0.75%	Northern Trust Global Investments	139,813	US$3.2m	10.8%	no data
0.74%	Charles Schwab Investment Management, Inc.	138,740	US$3.1m	6%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/05 22:37
End of Day Share Price	2025/10/03 00:00
Earnings	2025/06/30
Annual Earnings	2025/03/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Anterix Inc. is covered by 9 analysts. 3 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Michael Crawford	B. Riley Securities, Inc.
Thomas Walkley	Canaccord Genuity
Gregory Miller	Canaccord Genuity