Institutional shares held 54.5 Million
273K calls
86.9K puts
Total value of holdings $521M
$2.61M calls
$830K puts
Market Cap $732M
77,420,096 Shares Out.
Institutional ownership 70.38%
# of Institutions 221


Latest Institutional Activity in ADTN

Top Purchases

Q2 2025
Counterpoint Mutual Funds LLC Shares Held: 38.8K ($367K)
Q2 2025
Park Avenue Securities LLC Shares Held: 10.1K ($95.7K)
Q2 2025
Versant Capital Management, Inc Shares Held: 2.72K ($25.7K)
Q2 2025
Gamma Investing LLC Shares Held: 3.58K ($33.8K)
Q2 2025
Signaturefd, LLC Shares Held: 1.45K ($13.7K)

Top Sells

Q2 2025
Gsa Capital Partners LLP Shares Held: 20.4K ($193K)
Q2 2025
Public Employees Retirement System Of Ohio Shares Held: 1.95K ($18.4K)
Q2 2025
Parallel Advisors, LLC Shares Held: 228 ($2.15K)
Q1 2025
William Blair Investment Management, LLC Shares Held: 3.14M ($29.7M)
Q1 2025
Schonfeld Strategic Advisors LLC Shares Held: 79.8K ($754K)

About ADTN

ADTRAN Holdings, Inc., through its subsidiaries, provides end-to-end fiber networking solutions for communications service provider, enterprises, and government customers in the United States, Germany, the United Kingdom, Mexico, and internationally. It operates through two segments, Network Solutions, and Services & Support. The company offers fiber access and fiber to the node platforms; transceivers, cables, and other miscellaneous materials; passive optical network optical line terminals; fiber to the distribution point Gfast distribution point units; cabinet and outside plant enclosures and services; packet optical transports; fixed wireless access platforms; and network management and subscriber services, and control and orchestration software. It also provides broadband customer premises solutions, ethernet switches and routers, residential gateways, cloud-based software-as-a-service management platforms, virtual wireless local area networks, Internet of Things gateways, pre-sale and post-sale technical support, and multi-gigabit mesh Wi-Fi gateways. In addition, the company offers time division multiplexed and asynchronous transfer mode-based aggregation systems and customer devices; and high-bit-rate and asymmetric digital subscriber line, and other technologies. Further, it provides other access and aggregation, subscriber and experience, and traditional and other products, software, and services. Additionally, the company engages in the provision of planning, engineering, program management, maintenance, installation, and commissioning services to implement customer network solutions; and customer devices solutions into consumer, small business, and enterprise locations. ADTRAN Holdings, Inc. is headquartered in Huntsville, Alabama.


Insider Transactions at ADTN

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
397K Shares
From 11 Insiders
Grant, award, or other acquisition 397K shares
Sell / Disposition
101K Shares
From 4 Insiders
Bona fide gift 16.3K shares
Payment of exercise price or tax liability 84.2K shares

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