Institutional shares held 63.7 Million
397K calls
146K puts
Total value of holdings $476M
$2.96M calls
$1.09M puts
Market Cap $578M
77,420,096 Shares Out.
Institutional ownership 82.29%
# of Institutions 236


Latest Institutional Activity in ADTN

Top Purchases

Q3 2025
Ophir Asset Management Pty LTD Shares Held: 1.2M ($9M)
Q3 2025
Alyeska Investment Group, L.P. Shares Held: 1.08M ($8.1M)
Q3 2025
Assenagon Asset Management S.A. Shares Held: 933K ($6.97M)
Q3 2025
Citadel Advisors LLC Shares Held: 1.22M ($9.1M)
Q3 2025
Schonfeld Strategic Advisors LLC Shares Held: 787K ($5.88M)

Top Sells

Q3 2025
Divisar Capital Management LLC Shares Held: 3.21M ($24M)
Q3 2025
Marshall Wace, LLP Shares Held: 358K ($2.67M)
Q3 2025
Qube Research & Technologies LTD Shares Held: 284K ($2.12M)
Q3 2025
Renaissance Technologies LLC Shares Held: 272K ($2.03M)
Q3 2025
Y Intercept (Hong Kong) LTD Shares Held: 24.7K ($185K)

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

View all
Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
457K Shares
From 14 Insiders
Grant, award, or other acquisition 397K shares
Open market or private purchase 59.9K shares
Sell / Disposition
75.1K Shares
From 4 Insiders
Bona fide gift 16.3K shares
Payment of exercise price or tax liability 58.7K shares

Track Institutional and Insider Activities on ADTN

Follow ADTRAN INC and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells ADTN shares.

Notify only if

Insider Trading

Get notified when an Adtran Inc insider buys or sells ADTN shares.

Notify only if

News

Receive news related to ADTRAN INC

Track Activities on ADTN