ADTN: Adtran Holdings Inc insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Institutional ownership (Q2 2026)
250 institutions reported holding $1.17B of Adtran Holdings Inc on Form 13F (228 the quarter before). 51 opened a new position and 28 sold out. Shares held by institutions: +9%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 7,836,196 | $108.92M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5,135,649 | $71.39M |
| VANGUARD CAPITAL MANAGEMENT LLC | 3,510,271 | $48.79M |
| STATE STREET CORP | 3,082,794 | $42.85M |
| ROYCE & ASSOCIATES LP | 2,972,917 | $41.32M |
| UBS Group AG | 2,940,724 | $40.88M |
| TWO SIGMA INVESTMENTS, LP | 2,896,353 | $40.26M |
| MILLENNIUM MANAGEMENT LLC | 2,722,820 | $37.85M |
| DNB Asset Management AS | 2,619,389 | $36.41M |
| JPMORGAN CHASE & CO | 2,623,057 | $36.07M |
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