ADTRAN Holdings, Inc.
ADTN- Exchange
- Nasdaq
- Industry
- Telephone & Telegraph Apparatus
- SEC CIK
- 0000926282
In the last 90 days, ADTRAN Holdings, Inc. insiders filed 1 open-market purchase and 0 sales; 249 institutions reported holding it in 13F filings for Q2 2026, worth $1.20B in total; no superinvestor holds it.
Key figures
- Insider buysLast 90 days, $50.0K in total
- 1
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +23 vs. previous quarter
- 249
- 13F valueReported value at the end of Q2 2026
- $1.20B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding ADTN, Q2 2026
No superinvestor reported holding ADTN at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by ADTRAN Holdings, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 7, 2026 (view filing)4:00 PM ET | Aug 6 | 1 day | Santo Timothy PSVP of Finance; CFO | PPurchase | +6.58K | $7.60 | +$50.0K | +12.3%59.9K after | |
| May 22, 2026 (view filing) | May 20 | 2 days | Wilson James Denson JrChief Revenue Officer | SSale | −9.33K | $14.72 | −$137.4K | −6.1%143.3K after | |
| May 11, 2026 (view filing) | May 7-8 | 4 days | Glingener ChristophChief Technology Officer | SSale | −148.4K | $14.96 | −$2.22M | −76.1%46.6K after | 3 lots10b5-1 |
| Mar 5, 2026 (view filing) | Mar 4 | 1 day | Jacqueline Hourigan RiceDirector | SSale | −14.4K | $10.29 | −$148.2K | −51.1%13.8K after | |
| Dec 1, 2025 (view filing) | Nov 28 | 3 days | Santo Timothy PSVP of Finance; CFO | PPurchase | +6.15K | $8.02 | +$49.3K | +30.1%26.6K after | |
| Dec 1, 2025 (view filing) | Nov 26 | 5 days | Theodosopoulos NikosDirector | PPurchase | +12.9K | $7.81 | +$100.4K | +32.7%52.2K after | |
| Nov 25, 2025 (view filing) | Nov 24 | 1 day | Stanton Thomas RChairman & CEO | PPurchase | +40.9K | $7.33 | +$300.0K | +4.3%982.1K after | |
| Dec 9, 2022 (view filing) | Dec 7 | 2 days | McCray Gregory JamesDirector | PPurchase | +36.32 | $19.21 | +$697.71 | +0.2%21.7K after | |
| Dec 9, 2022 (view filing) | Dec 7 | 2 days | Stanton Thomas RChairman & CEO | PPurchase | +652.23 | $19.21 | +$12.5K | +0.1%805.8K after | |
| Sep 8, 2022 (view filing) | Sep 4 | 4 days | Wilson James Denson JrChief Revenue Officer | PPurchase | +102.33 | $22.90 | +$2.34K | +0.1%128.6K after | Amended |
Top 10 13F holders, Q2 2026
The largest institutional positions in ADTRAN Holdings, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7,836,196 | $108.9M | 0.00% | −4,058−0.1% | Reduced |
| Vanguard Portfolio Management LLC | 5,135,649 | $71.4M | 0.00% | +364,197+7.6% | Added |
| Vanguard Capital Management LLC | 3,510,271 | $48.8M | 0.00% | +84,041+2.5% | Added |
| State Street Corp | 3,082,794 | $42.9M | 0.00% | +732,057+31.1% | Added |
| Royce & Associates LP | 2,972,917 | $41.3M | 0.33% | −154,486−4.9% | Reduced |
| UBS Group AG | 2,940,724 | $40.9M | 0.01% | +2,691,567+1,080.3% | Added |
| Two Sigma Investments, LP | 2,896,353 | $40.3M | 0.03% | +1,772,829+157.8% | Added |
| Millennium Management LLC | 2,722,820 | $37.8M | 0.03% | +826,409+43.6% | Added |
| DnB Asset Management AS | 2,619,389 | $36.4M | 0.10% | −504,290−16.1% | Reduced |
| JPMorgan Chase & Co | 2,623,057 | $36.1M | 0.00% | +1,104,360+72.7% | Added |