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 |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 85,325 | $1.19M | 0.03% | −12,260−12.6% | Reduced |
| Koesten, Hirschmann & Crabtree, INC. | 84,854 | $1.18M | 0.49% | 00.0% | Unchanged |
| California State Teachers Retirement System | 83,036 | $1.15M | 0.00% | +11,013+15.3% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 80,190 | $1.11M | 0.04% | −154,998−65.9% | Reduced |
| Victory Capital Management Inc | 78,750 | $1.09M | 0.00% | −44,850−36.3% | Reduced |
| Russell Investments Group, Ltd. | 78,229 | $1.09M | 0.00% | +52,303+201.7% | Added |
| Legal & General Group Plc | 75,243 | $1.05M | 0.00% | −25,243−25.1% | Reduced |
| Susquehanna Advisors Group, Inc. | 73,870 | $1.03M | 0.03% | −7,824−9.6% | Reduced |
| Headlands Technologies LLC | 72,358 | $1.01M | 0.11% | +51,953+254.6% | Added |
| Diametric Capital, LP | 71,342 | $991.7K | 0.11% | +71,342 | New |
| Kerrisdale Advisers, LLC | 70,519 | $980.2K | 0.25% | −481,491−87.2% | Reduced |
| Polen Capital Management LLC | 70,292 | $977.1K | 0.01% | −5,396−7.1% | Reduced |
| Knights of Columbus Asset Advisors LLC | 68,284 | $949.1K | 0.05% | +68,284 | New |
| Caxton Associates LLP | 67,169 | $933.6K | 0.02% | +42,672+174.2% | Added |
| Dynamic Technology Lab Private Ltd | 64,278 | $893.0K | 0.20% | +64,278 | New |
| Legato Capital Management LLC | 62,580 | $869.9K | 0.07% | −60,520−49.2% | Reduced |
| Alliancebernstein L.P. | 67,427 | $848.2K | 0.00% | −100,493−59.8% | Reduced |
| Voya Investment Management LLC | 59,075 | $821.1K | 0.00% | +2,372+4.2% | Added |
| Jacobs Levy Equity Management, Inc | 58,066 | $807.1K | 0.00% | −403,615−87.4% | Reduced |
| Quantinno Capital Management LP | 57,125 | $794.0K | 0.00% | +4,670+8.9% | Added |
| PDT Partners, LLC | 53,641 | $745.6K | 0.04% | 00.0% | Unchanged |
| Citigroup Inc | 50,176 | $697.4K | 0.00% | +31,749+172.3% | Added |
| Gsa Capital Partners LLP | 49,752 | $692.0K | 0.04% | −9,105−15.5% | Reduced |
| Vanguard Asset Management, Ltd | 46,550 | $647.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 46,025 | $639.7K | 0.03% | −10,775−19.0% | Reduced |
| MetLife Investment Management | 45,016 | $625.7K | 0.00% | +4,179+10.2% | Added |
| Granahan Investment Management Inc | 44,758 | $622.1K | 0.02% | +13,976+45.4% | Added |
| OP Asset Management Ltd | 42,106 | $585.3K | 0.01% | −73,268−63.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 41,818 | $581.3K | 0.00% | −24,314−36.8% | Reduced |
| Vanguard Global Advisers, LLC | 36,223 | $503.5K | 0.00% | −26,812−42.5% | Reduced |
| State of Wyoming | 36,213 | $503.4K | 0.05% | +36,213 | New |
| Quadrant Capital Group LLC | 35,710 | $496.4K | 0.01% | 00.0% | Unchanged |
| Optimist Retirement Group LLC | 35,601 | $494.9K | 0.19% | +35,601 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 35,417 | $492.3K | 0.00% | +552+1.6% | Added |
| Campbell & CO Investment Adviser LLC | 33,687 | $468.2K | 0.02% | −4,637−12.1% | Reduced |
| Virtus ETF Advisers LLC | 33,159 | $460.9K | 0.18% | +1,588+5.0% | Added |
| HSBC Holdings PLC | 33,230 | $459.9K | 0.00% | −64,181−65.9% | Reduced |
| Jupiter Topco LLC | 32,900 | $457.1K | 0.00% | +32,900 | New |
| Numerai GP LLC | 31,632 | $439.7K | 0.04% | −29,727−48.4% | Reduced |
| Edgestream Partners, L.P. | 31,136 | $432.8K | 0.01% | +31,136 | New |
| EntryPoint Capital, LLC | 30,252 | $420.5K | 0.10% | −23,194−43.4% | Reduced |
| Worth Venture Partners, LLC | 30,081 | $418.1K | 0.94% | −18,827−38.5% | Reduced |
| Panagora Asset Management Inc | 29,817 | $414.5K | 0.00% | −62−0.2% | Reduced |
| Caitong International Asset Management Co., Ltd | 29,725 | $413.2K | 0.06% | +29,718+424,542.9% | Added |
| Citadel Advisors LLC | 29,619 | $411.7K | 0.00% | −364,115−92.5% | Reduced |
| Warren Averett Asset Management, LLC | 28,472 | $395.8K | 0.00% | −1,407−4.7% | Reduced |
| Virginia Retirement Systems Et Al | 28,100 | $390.6K | 0.00% | −52,900−65.3% | Reduced |
| Harvest Investment Services, LLC | 27,570 | $383.2K | 0.06% | +12,589+84.0% | Added |
| Teza Capital Management LLC | 27,209 | $378.2K | 0.73% | +27,209 | New |
| Mercer Global Advisors Inc | 26,791 | $372.4K | 0.00% | +1,230+4.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 25,430 | $353.5K | 0.00% | −27,326−51.8% | Reduced |
| Magnetar Financial LLC | 25,297 | $351.6K | 0.00% | +25,297 | New |
| ExodusPoint Capital Management, LP | 25,241 | $350.9K | 0.00% | −234,675−90.3% | Reduced |
| Mariner, LLC | 24,359 | $338.5K | 0.00% | −8,151−25.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 24,220 | $336.7K | 0.00% | +3,209+15.3% | Added |
| IMC-Chicago, LLC | 24,131 | $335.4K | 0.00% | +11,702+94.2% | Added |
| Franklin Resources Inc | 23,826 | $331.2K | 0.00% | −28,203−54.2% | Reduced |
| State of New Jersey Common Pension Fund D | 23,484 | $326.4K | 0.00% | +23,484 | New |
| Entropy Technologies, LP | 23,203 | $322.5K | 0.01% | +7,410+46.9% | Added |
| LPL Financial LLC | 22,987 | $319.5K | 0.00% | +10,265+80.7% | Added |
| Advisory Services Network, LLC | 22,326 | $310.3K | 0.00% | +22,326 | New |
| State Board of Administration of Florida Retirement System | 22,299 | $310.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 21,858 | $303.8K | 0.00% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 21,180 | $294.4K | 0.02% | +21,180 | New |
| Manufacturers Life Insurance Company, The | 20,468 | $284.5K | 0.00% | +280+1.4% | Added |
| Susquehanna Fundamental Investments, LLC | 20,443 | $284.2K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 20,040 | $278.6K | 0.00% | +235+1.2% | Added |
| CI Private Wealth, LLC | 19,969 | $277.6K | 0.00% | +19,969 | New |
| Intech Investment Management LLC | 19,236 | $267.4K | 0.00% | +1,866+10.7% | Added |
| Hillsdale Investment Management Inc. | 19,050 | $264.8K | 0.01% | −3,850−16.8% | Reduced |
| Alpine Global Management, LLC | 18,854 | $262.1K | 0.04% | +18,854 | New |
| Wealth Enhancement Advisory Services, LLC | 19,025 | $255.7K | 0.00% | +4,804+33.8% | Added |
| Los Angeles Capital Management LLC | 18,134 | $252.1K | 0.00% | +17,760+4,748.7% | Added |
| Cerity Partners LLC | 17,786 | $247.2K | 0.00% | −2,005−10.1% | Reduced |
| Vanguard Investments Australia, Ltd. | 17,171 | $238.7K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 17,149 | $238.4K | 0.00% | +109+0.6% | Added |
| B. Riley Financial, Inc. | 17,063 | $237.2K | 0.05% | +17,063 | New |
| BTG Pactual Asset Management US LLC | 16,818 | $233.8K | 0.02% | +16,818 | New |
| KLP Kapitalforvaltning AS | 16,700 | $232.1K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 16,471 | $228.9K | 0.00% | +16,471 | New |
| Bayforest Capital Ltd | 15,181 | $211.0K | 0.20% | +15,181 | New |
| Focused Alpha, LLC | 14,657 | $203.7K | 0.05% | +14,657 | New |
| Mirabella Financial Services LLP | 14,618 | $203.2K | 0.02% | +14,618 | New |
| Ieq Capital, LLC | 14,571 | $202.5K | 0.00% | −19,788−57.6% | Reduced |
| Amundi | 13,530 | $188.1K | 0.00% | +13,530 | New |
| Prudential Financial Inc | 12,793 | $177.8K | 0.00% | +1,200+10.4% | Added |
| Prelude Capital Management, LLC | 12,218 | $169.8K | 0.01% | −3,239−21.0% | Reduced |
| VARCOV Co. | 12,176 | $169.2K | 0.06% | +12,176 | New |
| GTS Securities LLC | 11,647 | $161.9K | 0.00% | +11,647 | New |
| Pictet Asset Management Holding SA | 11,562 | $160.7K | 0.00% | −3,546−23.5% | Reduced |
| Vident Advisory, LLC | 11,376 | $158.1K | 0.00% | −443−3.7% | Reduced |
| Public Employees Retirement Association of Colorado | 11,333 | $158.0K | 0.00% | 00.0% | Unchanged |
| nVerses Capital, LLC | 10,952 | $152.2K | 0.23% | −33,901−75.6% | Reduced |
| L2 Asset Management, LLC | 10,244 | $142.4K | 0.01% | +10,244 | New |
| ProShare Advisors LLC | 10,070 | $140.0K | 0.00% | −712−6.6% | Reduced |
| Potomac Capital Management, Inc. | 10,000 | $139.0K | 0.10% | −67,200−87.0% | Reduced |
| Pacer Advisors, Inc. | 8,951 | $124.0K | 0.00% | +8,951 | New |
| Ameritas Investment Partners, Inc. | 6,980 | $97.0K | 0.00% | +766+12.3% | Added |
| St Germain D J Co Inc | 5,000 | $69.5K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 3,872 | $53.0K | 0.00% | 00.0% | Unchanged |