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 $1.17B in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in ADTRAN Holdings, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 205
- +49 vs. Q4 2024
- Shares held
- 58.8M
- −2.56M (−4.2%) vs. Q4 2024
- Total value
- $512.3M
- +$1.57M (+0.3%) vs. Q4 2024
- New holders
- 66
- 60 more added
- Sold out
- 17
- 59 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ADTN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 249 | $1.17B |
| Q1 2026 | 228 | $989.1M |
| Q4 2025 | 213 | $611.5M |
| Q3 2025 | 221 | $632.2M |
| Q2 2025 | 194 | $533.7M |
| Q1 2025 | 205 | $512.3M |
| Q4 2024 | 158 | $513.1M |
| Q3 2024 | 153 | $349.7M |
| Q2 2024 | 158 | $315.7M |
| Q1 2024 | 169 | $347.1M |
| Q4 2023 | 169 | $462.0M |
| Q3 2023 | 165 | $523.1M |
| Q2 2023 | 165 | $678.9M |
| Q1 2023 | 174 | $1.00B |
| Q4 2022 | 180 | $1.19B |
| Q3 2022 | 187 | $1.20B |
| Q2 2022 | 163 | $844.4M |
| Q1 2022 | 187 | $896.0M |
| Q4 2021 | 183 | $1.06B |
| Q3 2021 | 175 | $836.8M |
| Q2 2021 | 155 | $923.9M |
| Q1 2021 | 136 | $740.9M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding ADTRAN Holdings, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| William Blair Investment Management, LLC | 3,139,103 | $27.4M | 0.08% | −1,508,052−32.5% | Reduced |
| Divisar Capital Management LLC | 3,428,863 | $29.9M | 7.78% | −1,377,520−28.7% | Reduced |
| DnB Asset Management AS | 3,551,606 | $31.0M | 0.14% | −1,470,786−29.3% | Reduced |
| Vanguard Group Inc | 7,093,931 | $61.9M | 0.00% | +501,512+7.6% | Added |
| BlackRock, Inc. | 7,598,719 | $66.3M | 0.00% | +730,099+10.6% | Added |
| Crestline Management, LP | 0 | $0 | 0.00% | −239,594−100.0% | Sold out |
| Shellback Capital, LP | 0 | $0 | 0.00% | −198,440−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −59,824−100.0% | Sold out |
| Thompson Siegel & Walmsley LLC | 0 | $0 | 0.00% | −35,559−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −30,121−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −29,087−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −22,800−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −19,388−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −17,234−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −16,846−100.0% | Sold out |
| SIH Partners, LLLP | 0 | $0 | 0.00% | −12,846−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −11,967−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −11,502−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −7,523−100.0% | Sold out |
| Teachers Retirement System of the State of Kentucky | 0 | $0 | 0.00% | −2,510−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −2,180−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −1,136−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Caxton Associates LP | – | – | – | – | Not filed |