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, Q2 2026
Institutional positions in ADTRAN Holdings, Inc. as of Jun 30, 2026. 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
- 249
- +23 vs. Q1 2026
- Shares held
- 84.0M
- +5.37M (+6.8%) vs. Q1 2026
- Total value
- $1.17B
- +$178.1M (+18.0%) vs. Q1 2026
- New holders
- 51
- 94 more added
- Sold out
- 28
- 75 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding ADTRAN Holdings, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 479,197 | $6.66M | 0.00% | −448,578−48.3% | Reduced |
| Westerly Capital Management, LLC | 500,000 | $6.95M | 1.28% | −300,000−37.5% | Reduced |
| Nomura Holdings Inc | 502,322 | $6.98M | 0.03% | +38,146+8.2% | Added |
| Royal Bank of Canada | 504,227 | $7.01M | 0.00% | +46,825+10.2% | Added |
| Hennessy Advisors Inc | 526,300 | $7.32M | 0.23% | +526,300 | New |
| Counterpoint Mutual Funds LLC | 529,866 | $7.37M | 0.73% | +497,145+1,519.3% | Added |
| Vanguard Fiduciary Trust Co | 540,877 | $7.52M | 0.00% | +18,347+3.5% | Added |
| Tudor Investment Corp Et Al | 541,455 | $7.53M | 0.03% | −113,488−17.3% | Reduced |
| HRT Financial LP | 561,192 | $7.80M | 0.01% | −6,934−1.2% | Reduced |
| Tieton Capital Management, LLC | 570,542 | $7.93M | 2.28% | −464,625−44.9% | Reduced |
| 1492 Capital Management LLC | 573,128 | $7.97M | 2.35% | −51,896−8.3% | Reduced |
| Norges Bank | 575,400 | $8.00M | 0.00% | +575,400 | New |
| Squarepoint Ops LLC | 617,388 | $8.58M | 0.02% | −270,574−30.5% | Reduced |
| Wells Fargo & Company | 625,245 | $8.69M | 0.00% | +246,673+65.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 629,119 | $8.74M | 0.02% | +68,771+12.3% | Added |
| AQR Capital Management LLC | 671,403 | $9.33M | 0.00% | −172,521−20.4% | Reduced |
| Kovack Advisors, Inc. | 696,210 | $9.50M | 0.46% | −39,790−5.4% | Reduced |
| Nuveen, LLC | 700,147 | $9.73M | 0.00% | +364,958+108.9% | Added |
| Charles Schwab Investment Management Inc | 714,068 | $9.93M | 0.00% | +89,956+14.4% | Added |
| Northern Trust Corp | 734,960 | $10.2M | 0.00% | +75,712+11.5% | Added |
| Heartland Advisors Inc | 750,000 | $10.4M | 0.46% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 764,780 | $10.6M | 0.02% | +200,000+35.4% | Added |
| Arrowstreet Capital, Limited Partnership | 786,873 | $10.9M | 0.00% | +331,226+72.7% | Added |
| Bank of America Corp | 845,421 | $11.8M | 0.00% | +478,195+130.2% | Added |
| Federated Hermes, Inc. | 849,967 | $11.8M | 0.02% | −72,649−7.9% | Reduced |
| Divisar Capital Management LLC | 851,526 | $11.8M | 2.73% | −917,913−51.9% | Reduced |
| Assenagon Asset Management S.A. | 917,754 | $12.8M | 0.02% | +459,802+100.4% | Added |
| FMR LLC | 1,011,195 | $14.1M | 0.00% | +395,759+64.3% | Added |
| Marshall Wace, LLP | 1,038,292 | $14.4M | 0.01% | +146,772+16.5% | Added |
| Goldman Sachs Group Inc | 1,045,037 | $14.5M | 0.00% | +74,330+7.7% | Added |
| D. E. Shaw & Co., Inc. | 1,091,898 | $15.2M | 0.01% | −127,071−10.4% | Reduced |
| William Blair Investment Management, LLC | 1,099,019 | $15.3M | 0.05% | −890,511−44.8% | Reduced |
| First Eagle Investment Management, LLC | 1,248,507 | $17.4M | 0.03% | −120,200−8.8% | Reduced |
| Dimensional Fund Advisors LP | 1,366,243 | $19.0M | 0.00% | +29,215+2.2% | Added |
| Qube Research & Technologies Ltd | 1,398,913 | $19.4M | 0.02% | +1,128,968+418.2% | Added |
| Boston Partners | 1,651,038 | $22.7M | 0.02% | +469,724+39.8% | Added |
| Renaissance Technologies LLC | 1,773,740 | $24.7M | 0.03% | +1,570,841+774.2% | Added |
| Morgan Stanley | 1,792,752 | $24.9M | 0.00% | −40,120−2.2% | Reduced |
| Geode Capital Management, LLC | 1,958,052 | $27.2M | 0.00% | +138,929+7.6% | Added |
| JPMorgan Chase & Co | 2,623,057 | $36.1M | 0.00% | +1,104,360+72.7% | Added |
| DnB Asset Management AS | 2,619,389 | $36.4M | 0.10% | −504,290−16.1% | Reduced |
| Millennium Management LLC | 2,722,820 | $37.8M | 0.03% | +826,409+43.6% | Added |
| Two Sigma Investments, LP | 2,896,353 | $40.3M | 0.03% | +1,772,829+157.8% | Added |
| UBS Group AG | 2,940,724 | $40.9M | 0.01% | +2,691,567+1,080.3% | Added |
| Royce & Associates LP | 2,972,917 | $41.3M | 0.33% | −154,486−4.9% | Reduced |
| State Street Corp | 3,082,794 | $42.9M | 0.00% | +732,057+31.1% | Added |
| Vanguard Capital Management LLC | 3,510,271 | $48.8M | 0.00% | +84,041+2.5% | Added |
| Vanguard Portfolio Management LLC | 5,135,649 | $71.4M | 0.00% | +364,197+7.6% | Added |
| BlackRock, Inc. | 7,836,196 | $108.9M | 0.00% | −4,058−0.1% | Reduced |
| Shannon River Fund Management LLC | 0 | $0 | 0.00% | −1,219,976−100.0% | Sold out |
| Paradigm Capital Management Inc | 0 | $0 | 0.00% | −733,200−100.0% | Sold out |
| Cramer Rosenthal McGlynn LLC | 0 | $0 | 0.00% | −287,178−100.0% | Sold out |
| Manatuck Hill Partners, LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −128,002−100.0% | Sold out |
| Divisadero Street Capital Management, LP | 0 | $0 | 0.00% | −121,731−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −105,866−100.0% | Sold out |
| Nierenberg Investment Management Company, Inc. | 0 | $0 | 0.00% | −93,110−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −93,101−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −65,639−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −33,937−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −33,664−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −26,275−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −23,619−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −18,098−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −15,500−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −14,600−100.0% | Sold out |
| Financial Engines Advisors L.L.C. | 0 | $0 | 0.00% | −14,518−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −13,908−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −13,522−100.0% | Sold out |
| Keebeck Alpha, LP | 0 | $0 | 0.00% | −12,342−100.0% | Sold out |
| Thompson Davis & Co., Inc. | 0 | $0 | 0.00% | −11,865−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −7,731−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −2,319−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −276−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |