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 2026
Institutional positions in ADTRAN Holdings, Inc. as of Mar 31, 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
- 228
- +19 vs. Q4 2025
- Shares held
- 78.7M
- +16.5M (+26.6%) vs. Q4 2025
- Total value
- $989.1M
- +$448.7M (+83.0%) vs. Q4 2025
- New holders
- 50
- 88 more added
- Sold out
- 31
- 63 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding ADTRAN Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Creative Planning | 86,518 | $1.09M | 0.00% | +25,571+42.0% | Added |
| Koesten, Hirschmann & Crabtree, INC. | 84,854 | $1.07M | 0.52% | +14,406+20.4% | Added |
| Susquehanna Advisors Group, Inc. | 81,694 | $1.03M | 0.05% | −858−1.0% | Reduced |
| Virginia Retirement Systems Et Al | 81,000 | $1.02M | 0.01% | +16,200+25.0% | Added |
| Potomac Capital Management, Inc. | 77,200 | $971.2K | 0.85% | +77,200 | New |
| Polen Capital Management LLC | 75,688 | $952.2K | 0.01% | +75,688 | New |
| California State Teachers Retirement System | 72,023 | $906.0K | 0.00% | −554−0.8% | Reduced |
| Toroso Investments, LLC | 71,900 | $904.5K | 0.00% | +71,900 | New |
| Massachusetts Financial Services Co | 67,635 | $850.8K | 0.00% | −1,796−2.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 66,132 | $831.9K | 0.01% | +66,132 | New |
| Susquehanna Portfolio Strategies, LLC | 65,639 | $825.7K | 0.01% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 63,035 | $793.0K | 0.00% | +63,035 | New |
| Numerai GP LLC | 61,359 | $771.9K | 0.08% | −13,161−17.7% | Reduced |
| Gsa Capital Partners LLP | 58,857 | $740.0K | 0.05% | −98,299−62.5% | Reduced |
| Quantbot Technologies LP | 56,800 | $714.5K | 0.03% | +45,989+425.4% | Added |
| Voya Investment Management LLC | 56,703 | $713.3K | 0.00% | −671−1.2% | Reduced |
| Man Group plc | 54,171 | $681.5K | 0.00% | −120,503−69.0% | Reduced |
| PDT Partners, LLC | 53,641 | $674.8K | 0.04% | +32,886+158.4% | Added |
| EntryPoint Capital, LLC | 53,446 | $672.4K | 0.20% | +24,683+85.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 52,756 | $663.7K | 0.00% | +33,996+181.2% | Added |
| Quantinno Capital Management LP | 52,455 | $659.9K | 0.00% | +8,281+18.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 52,099 | $655.4K | 0.01% | +16,272+45.4% | Added |
| Franklin Resources Inc | 52,029 | $654.5K | 0.00% | −27,663−34.7% | Reduced |
| Worth Venture Partners, LLC | 48,908 | $615.3K | 1.95% | −11,584−19.1% | Reduced |
| Vanguard Asset Management, Ltd | 46,550 | $585.6K | 0.00% | +46,550 | New |
| nVerses Capital, LLC | 44,853 | $564.3K | 0.51% | +44,853 | New |
| MetLife Investment Management | 40,837 | $513.7K | 0.00% | +7,373+22.0% | Added |
| Integrated Quantitative Investments LLC | 38,383 | $482.9K | 0.09% | −59,343−60.7% | Reduced |
| Campbell & CO Investment Adviser LLC | 38,324 | $482.1K | 0.03% | +7,592+24.7% | Added |
| Quadrant Capital Group LLC | 35,710 | $449.2K | 0.01% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 34,865 | $438.6K | 0.00% | +342+1.0% | Added |
| Ieq Capital, LLC | 34,359 | $432.2K | 0.00% | +34,359 | New |
| Voloridge Investment Management, LLC | 33,937 | $426.9K | 0.00% | −112,211−76.8% | Reduced |
| Jain Global LLC | 33,664 | $423.5K | 0.01% | −31,116−48.0% | Reduced |
| Janus Henderson Group PLC | 32,900 | $412.7K | 0.00% | 00.0% | Unchanged |
| Counterpoint Mutual Funds LLC | 32,721 | $411.6K | 0.06% | +32,721 | New |
| Mariner, LLC | 32,510 | $408.9K | 0.00% | +32,510 | New |
| Virtus ETF Advisers LLC | 31,571 | $397.2K | 0.19% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 30,782 | $387.2K | 0.02% | −24,058−43.9% | Reduced |
| Warren Averett Asset Management, LLC | 29,879 | $375.9K | 0.00% | −1,758−5.6% | Reduced |
| Panagora Asset Management Inc | 29,879 | $375.9K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 26,275 | $330.5K | 0.01% | +22,726+640.3% | Added |
| Russell Investments Group, Ltd. | 25,926 | $326.1K | 0.00% | −2,942−10.2% | Reduced |
| Mercer Global Advisors Inc | 25,561 | $321.6K | 0.00% | +25,561 | New |
| Caxton Associates LLP | 24,497 | $308.2K | 0.01% | +24,497 | New |
| CWM, LLC | 24,421 | $307.2K | 0.00% | +18,146+289.2% | Added |
| Bridgefront Capital, LLC | 23,619 | $297.1K | 0.07% | −6,098−20.5% | Reduced |
| Hillsdale Investment Management Inc. | 22,900 | $288.1K | 0.01% | −471,350−95.4% | Reduced |
| State Board of Administration of Florida Retirement System | 22,299 | $280.5K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 21,858 | $275.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 21,011 | $264.3K | 0.00% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 20,443 | $257.2K | 0.01% | +20,443 | New |
| Headlands Technologies LLC | 20,405 | $256.7K | 0.03% | +20,405 | New |
| Manufacturers Life Insurance Company, The | 20,188 | $254.0K | 0.00% | −2,353−10.4% | Reduced |
| Arizona State Retirement System | 19,805 | $249.1K | 0.00% | −220−1.1% | Reduced |
| Cerity Partners LLC | 19,791 | $249.0K | 0.00% | +19,791 | New |
| Citigroup Inc | 18,427 | $231.8K | 0.00% | +4,803+35.3% | Added |
| Fox Run Management, L.L.C. | 18,098 | $220.6K | 0.04% | +5,185+40.2% | Added |
| Intech Investment Management LLC | 17,370 | $218.5K | 0.00% | −6,297−26.6% | Reduced |
| Vanguard Investments Australia, Ltd. | 17,171 | $216.0K | 0.00% | +17,171 | New |
| Stifel Financial Corp | 17,040 | $214.4K | 0.00% | −1,500−8.1% | Reduced |
| KLP Kapitalforvaltning AS | 16,700 | $210.1K | 0.00% | +2,100+14.4% | Added |
| Entropy Technologies, LP | 15,793 | $198.7K | 0.01% | +5,510+53.6% | Added |
| Canada Pension Plan Investment Board | 15,500 | $195.0K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 15,457 | $194.4K | 0.01% | +1,738+12.7% | Added |
| Pictet Asset Management Holding SA | 15,108 | $190.1K | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 15,000 | $188.7K | 0.01% | +15,000 | New |
| Harvest Investment Services, LLC | 14,981 | $188.5K | 0.03% | −77−0.5% | Reduced |
| DRW Securities, LLC | 14,600 | $183.7K | 0.01% | +14,600 | New |
| Wealth Enhancement Advisory Services, LLC | 14,221 | $183.2K | 0.00% | +14,221 | New |
| Financial Engines Advisors L.L.C. | 14,518 | $182.6K | 0.00% | +14,518 | New |
| Neuberger Berman Group LLC | 13,908 | $175.0K | 0.00% | +1,517+12.2% | Added |
| Cinctive Capital Management LP | 13,522 | $170.1K | 0.01% | 00.0% | Unchanged |
| LPL Financial LLC | 12,722 | $160.0K | 0.00% | −404−3.1% | Reduced |
| IMC-Chicago, LLC | 12,429 | $156.4K | 0.00% | +12,429 | New |
| Keebeck Alpha, LP | 12,342 | $155.3K | 0.47% | +12,342 | New |
| Thompson Davis & Co., Inc. | 11,865 | $149.3K | 0.10% | +11,865 | New |
| Vident Advisory, LLC | 11,819 | $148.7K | 0.00% | +125+1.1% | Added |
| Prudential Financial Inc | 11,593 | $145.8K | 0.00% | +11,593 | New |
| Public Employees Retirement Association of Colorado | 11,333 | $143.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 10,782 | $135.6K | 0.00% | −2,810−20.7% | Reduced |
| Tower Research Capital LLC (TRC) | 8,092 | $101.8K | 0.00% | +3,487+75.7% | Added |
| Freestone Grove Partners LP | 7,731 | $97.3K | 0.00% | −2,291−22.9% | Reduced |
| Ameritas Investment Partners, Inc. | 6,214 | $78.2K | 0.00% | 00.0% | Unchanged |
| St Germain D J Co Inc | 5,000 | $62.9K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 3,872 | $48.0K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 3,367 | $42.4K | 0.00% | +19+0.6% | Added |
| Versant Capital Management, Inc | 2,631 | $33.1K | 0.00% | −141−5.1% | Reduced |
| MAI Capital Management | 2,319 | $29.2K | 0.00% | +2,271+4,731.3% | Added |
| Parkside Financial Bank & Trust | 2,134 | $26.8K | 0.00% | +2,134 | New |
| US Bancorp | 1,607 | $20.2K | 0.00% | +12+0.8% | Added |
| Covestor Ltd | 1,608 | $20.0K | 0.01% | −138−7.9% | Reduced |
| Allworth Financial LP | 1,557 | $19.6K | 0.00% | +1,518+3,892.3% | Added |
| Signaturefd, LLC | 1,445 | $18.2K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,289 | $16.2K | 0.00% | +1,289 | New |
| Nisa Investment Advisors, LLC | 1,262 | $15.9K | 0.00% | +54+4.5% | Added |
| Rothschild Investment LLC | 783 | $9.85K | 0.00% | +573+272.9% | Added |
| The PNC Financial Services Group, Inc. | 625 | $7.86K | 0.00% | −3−0.5% | Reduced |
| Sterling Capital Management LLC | 483 | $6.08K | 0.00% | −17−3.4% | Reduced |
| EverSource Wealth Advisors, LLC | 466 | $5.86K | 0.00% | +266+133.0% | Added |