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About 94.4% of ADTN shares are held by financial institutions. WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC is the top corporate investor, holding 2.74M shares valued at $25.67M. A 3.43% stake in ADTRAN Holdings, Inc. is owned by the company. BLACKROCK, INC. owns 8.27M shares valued at $77.60M, which translates its holding of 10.37% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Sep 30, 2025 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.43% | 2.74M | 25.67M | -166.1K | -5.72% |
| Sep 30, 2025 | BLACKROCK, INC. | 10.37% | 8.27M | 77.6M | 214.97K | +2.67% |
| Sep 30, 2025 | SCHONFELD STRATEGIC ADVISORS LLC | 0.99% | 786.82K | 7.38M | 773.51K | +5,809.74% |
| Sep 30, 2025 | MORGAN STANLEY | 1% | 793.54K | 7.44M | -150.46K | -15.94% |
| Sep 30, 2025 | GOLDMAN SACHS GROUP INC | 0.81% | 644.24K | 6.04M | 132.05K | +25.78% |
| Sep 30, 2025 | VANGUARD GROUP INC | 10.51% | 8.38M | 78.64M | 217.15K | +2.66% |
| Sep 30, 2025 | MILLENNIUM MANAGEMENT LLC | 0.72% | 571.96K | 5.36M | 365.52K | +177.06% |
| Sep 30, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0.33% | 261.51K | 2.45M | 193.8K | +286.26% |
| Sep 30, 2025 | MACKENZIE FINANCIAL CORP | 0.34% | 270.15K | 2.53M | 41.01K | +17.90% |
| Sep 30, 2025 | BALYASNY ASSET MANAGEMENT L.P. | 0.35% | 277.95K | 2.61M | 277.95K | +100.00% |
| Sep 30, 2025 | QUBE RESEARCH & TECHNOLOGIES LTD | 0.36% | 284.36K | 2.67M | -402.36K | -58.59% |
| Sep 30, 2025 | UBS GROUP AG | 0.4% | 316.77K | 2.97M | 23.48K | +8.01% |
| Sep 30, 2025 | HRT FINANCIAL LP | 0.78% | 620.87K | 5.82M | 393.33K | +172.86% |
| Sep 30, 2025 | NORTHERN TRUST CORP | 0.85% | 673.87K | 6.32M | -3.54K | -0.52% |
| Sep 30, 2025 | TREXQUANT INVESTMENT LP | 0.85% | 681.09K | 6.39M | 391.13K | +134.89% |
| Sep 30, 2025 | SQUAREPOINT OPS LLC | 0.86% | 682.06K | 6.4M | 51.21K | +8.12% |
| Sep 30, 2025 | KOVACK ADVISORS, INC. | 0.89% | 707.9K | 6.64M | -6.3K | -0.88% |
| Sep 30, 2025 | TUDOR INVESTMENT CORP ET AL | 1.12% | 897.12K | 8.41M | 729.19K | +434.25% |
| Sep 30, 2025 | WESTERLY CAPITAL MANAGEMENT, LLC | 1.15% | 920.22K | 8.63M | -54.78K | -5.62% |
| Sep 30, 2025 | ASSENAGON ASSET MANAGEMENT S.A. | 1.17% | 932.68K | 8.75M | 814.86K | +691.64% |
| Sep 30, 2025 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1.47% | 1.18M | 11.02M | 55K | +4.91% |
| Sep 30, 2025 | MAN GROUP PLC | 0.54% | 430.09K | 4.03M | 37.29K | +9.49% |
| Sep 30, 2025 | DNB ASSET MANAGEMENT AS | 3.64% | 2.9M | 27.24M | 174.35K | +6.39% |
| Sep 30, 2025 | RHUMBLINE ADVISERS | 0.14% | 113.75K | 1.07M | -2.91K | -2.49% |
| Sep 30, 2025 | FEDERATED HERMES, INC. | 0.97% | 772.85K | 7.25M | 5.11K | +0.67% |
| Sep 30, 2025 | ROYCE & ASSOCIATES LP | 3.02% | 2.41M | 22.61M | 308.71K | +14.69% |
| Sep 30, 2025 | 1492 CAPITAL MANAGEMENT LLC | 0.72% | 574.59K | 5.39M | 101.61K | +21.48% |
| Sep 30, 2025 | GRANAHAN INVESTMENT MANAGEMENT, LLC | 0.73% | 582.49K | 5.46M | 382.17K | +190.78% |
| Sep 30, 2025 | MARSHALL WACE, LLP | 0.45% | 358.05K | 3.36M | -458.48K | -56.15% |
| Sep 30, 2025 | CUBIST SYSTEMATIC STRATEGIES, LLC | 0.73% | 585.15K | 5.49M | 306.21K | +109.78% |
| Sep 30, 2025 | BARCLAYS PLC | 1.01% | 806.34K | 7.56M | 211.75K | +35.61% |
| Sep 30, 2025 | TIETON CAPITAL MANAGEMENT, LLC | 1.24% | 989.12K | 9.28M | 36.63K | +3.85% |
| Sep 30, 2025 | ALYESKA INVESTMENT GROUP, L.P. | 1.36% | 1.08M | 10.17M | 1.08M | +100.00% |
| Sep 30, 2025 | FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 1.52% | 1.21M | 11.34M | 75.6K | +6.67% |
| Sep 30, 2025 | RAYMOND JAMES FINANCIAL INC | 0.3% | 239.66K | 2.25M | 900 | +0.38% |
| Sep 30, 2025 | STATE OF WISCONSIN INVESTMENT BOARD | 0.32% | 251.56K | 2.36M | 20.45K | +8.85% |
| Sep 30, 2025 | STRS OHIO | 0.09% | 67.9K | 636.9K | 0 | 0 |
| Sep 30, 2025 | GSA CAPITAL PARTNERS LLP | 0.09% | 68.19K | 640K | 47.77K | +233.92% |
| Sep 30, 2025 | KOESTEN, HIRSCHMANN & CRABTREE, INC. | 0.09% | 70.45K | 660.8K | 0 | 0 |
| Sep 30, 2025 | INVESCO LTD. | 0.33% | 260.66K | 2.45M | -22.47K | -7.94% |
| Sep 30, 2025 | WOLVERINE ASSET MANAGEMENT LLC | 0.33% | 260.4K | 2.44M | 260.4K | +100.00% |
| Sep 30, 2025 | AMERICAN CENTURY COMPANIES INC | 0.3% | 237.62K | 2.23M | 13.61K | +6.07% |
| Sep 30, 2025 | BANK OF NEW YORK MELLON CORP | 0.29% | 232.7K | 2.18M | 16.16K | +7.46% |
| Sep 30, 2025 | WHITE PINE CAPITAL LLC | 0.29% | 230.46K | 2.16M | 19 | +0.01% |
| Sep 30, 2025 | SG AMERICAS SECURITIES, LLC | 0.25% | 201.99K | 1.9M | -35.22K | -14.85% |
| Sep 30, 2025 | HERALD INVESTMENT MANAGEMENT LTD | 0.25% | 200K | 1.87M | 200K | +100.00% |
| Sep 30, 2025 | JUMP FINANCIAL, LLC | 0.24% | 192.4K | 1.8M | 28.46K | +17.36% |
| Sep 30, 2025 | NUVEEN, LLC | 0.23% | 185.3K | 1.74M | 0 | 0 |
| Sep 30, 2025 | HUSSMAN STRATEGIC ADVISORS, INC. | 0.18% | 147K | 1.38M | 147K | +100.00% |
| Sep 30, 2025 | SWISS NATIONAL BANK | 0.18% | 139.7K | 1.31M | 2.3K | +1.67% |
| Sep 30, 2025 | QUANTBOT TECHNOLOGIES LP | 0.16% | 126.49K | 1.19M | 106.11K | +520.66% |
| Sep 30, 2025 | VICTORY CAPITAL MANAGEMENT INC | 0.15% | 118.4K | 1.11M | 17.59K | +17.44% |
| Sep 30, 2025 | SKANDINAVISKA ENSKILDA BANKEN AB (PUBL) | 0.15% | 117.59K | 1.1M | -1.04K | -0.88% |
| Sep 30, 2025 | DYNAMIC TECHNOLOGY LAB PRIVATE LTD | 0.15% | 116.37K | 1.09M | 60.07K | +106.70% |
| Sep 30, 2025 | TEACHER RETIREMENT SYSTEM OF TEXAS | 0.09% | 71.11K | 667.05K | -28.6K | -28.68% |
| Sep 30, 2025 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.09% | 71.73K | 672.82K | 4.72K | +7.04% |
| Sep 30, 2025 | FRANKLIN RESOURCES INC | 0.1% | 78.43K | 735.66K | 27.09K | +52.76% |
| Sep 30, 2025 | LOS ANGELES CAPITAL MANAGEMENT LLC | 0.1% | 80.19K | 752.15K | 33.56K | +71.97% |
| Sep 30, 2025 | DEUTSCHE BANK AG\ | 0.11% | 87.06K | 816.6K | 28.8K | +49.43% |
| Sep 30, 2025 | GLOBEFLEX CAPITAL L P | 0.13% | 106.76K | 1M | 106.76K | +100.00% |
| Sep 30, 2025 | LEGAL & GENERAL GROUP PLC | 0.14% | 113.37K | 1.06M | -109 | -0.10% |
| Sep 30, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 2.22% | 1.77M | 16.61M | 20.88K | +1.19% |
| Sep 30, 2025 | STATE STREET CORP | 2.38% | 1.9M | 17.82M | 44.03K | +2.37% |
| Sep 30, 2025 | OPHIR ASSET MANAGEMENT PTY LTD | 1.51% | 1.2M | 11.3M | 1.2M | +100.00% |
| Sep 30, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.86% | 688.44K | 6.46M | 6.37K | +0.93% |
| Sep 30, 2025 | CITADEL ADVISORS LLC | 1.53% | 1.22M | 11.43M | 813.82K | +200.92% |
| Sep 30, 2025 | JPMORGAN CHASE & CO | 1.02% | 813.36K | 7.63M | 356.88K | +78.18% |
| Sep 30, 2025 | HILLSDALE INVESTMENT MANAGEMENT INC. | 0.64% | 512.92K | 4.81M | -21.4K | -4.01% |
| Sep 30, 2025 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.56% | 444.27K | 4.17M | 319.76K | +256.81% |
| Sep 30, 2025 | BANK OF AMERICA CORP /DE/ | 0.54% | 430.26K | 4.04M | -216.11K | -33.43% |
| Sep 30, 2025 | CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 0.46% | 370.61K | 3.48M | 92.79K | +33.40% |
| Sep 30, 2025 | JANE STREET GROUP, LLC | 0.55% | 441.44K | 4.14M | 441.44K | +100.00% |
| Sep 30, 2025 | DIMENSIONAL FUND ADVISORS LP | 0.54% | 431.04K | 4.04M | -8.97K | -2.04% |
| Sep 30, 2025 | AMERIPRISE FINANCIAL INC | 0.29% | 231.68K | 2.17B | -31.25K | -11.89% |
| Sep 30, 2025 | DIVISAR CAPITAL MANAGEMENT LLC | 4.03% | 3.21M | 30.14M | -1.02M | -24.03% |
| Sep 30, 2025 | D. E. SHAW & CO., INC. | 0.41% | 324.87K | 3.05M | 324.87K | +100.00% |
| Sep 30, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.34% | 271.63K | 2.55M | -397.21K | -59.39% |
| Sep 30, 2025 | ALLIANCEBERNSTEIN L.P. | 0.37% | 296.29K | 2.78M | -37.33K | -11.19% |
| Sep 30, 2025 | NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. | 0.43% | 343.11K | 3.22M | 0 | 0 |
| Jun 30, 2025 | VANGUARD GROUP INC | 10.24% | 8.17M | 73.25M | 1.07M | +15.11% |
| Jun 30, 2025 | MAN GROUP PLC | 0.49% | 392.8K | 3.52M | 285.11K | +264.74% |
| Jun 30, 2025 | Y-INTERCEPT (HONG KONG) LTD | 0.36% | 287.46K | 2.58M | 287.46K | +100.00% |
| Jun 30, 2025 | AMERIPRISE FINANCIAL INC | 0.33% | 262.93K | 2.36M | -9.01K | -3.31% |
| Jun 30, 2025 | SG AMERICAS SECURITIES, LLC | 0.3% | 237.21K | 2.13M | 3.37K | +1.44% |
| Jun 30, 2025 | BANK OF NEW YORK MELLON CORP | 0.27% | 216.54K | 1.94M | -586.08K | -73.02% |
| Jun 30, 2025 | MILLENNIUM MANAGEMENT LLC | 0.26% | 206.44K | 1.85B | 85.17K | +70.24% |
| Jun 30, 2025 | BARCLAYS PLC | 0.75% | 594.59K | 5.33M | 136.66K | +29.84% |
| Jun 30, 2025 | HILLSDALE INVESTMENT MANAGEMENT INC. | 0.67% | 534.32K | 4.79M | 148.22K | +38.39% |
| Jun 30, 2025 | SQUAREPOINT OPS LLC | 0.79% | 630.85K | 5.66M | 227.45K | +56.38% |
| Jun 30, 2025 | BLACKROCK, INC. | 10.1% | 8.06M | 72.28M | 459.63K | +6.05% |
| Jun 30, 2025 | FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 1.42% | 1.13M | 10.17M | -10.5K | -0.92% |
| Jun 30, 2025 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1.4% | 1.12M | 10.05M | 0 | 0 |
| Jun 30, 2025 | WESTERLY CAPITAL MANAGEMENT, LLC | 1.22% | 975K | 8.75M | 140K | +16.77% |
| Jun 30, 2025 | TIETON CAPITAL MANAGEMENT, LLC | 1.19% | 952.49K | 8.54M | -8.25K | -0.86% |
| Jun 30, 2025 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.08% | 67.01K | 601.08K | 827 | +1.25% |
| Jun 30, 2025 | OCCUDO QUANTITATIVE STRATEGIES LP | 0.08% | 63.69K | 571.26K | 63.69K | +100.00% |
| Jun 30, 2025 | DYNAMIC TECHNOLOGY LAB PRIVATE LTD | 0.07% | 56.3K | 505K | 10.27K | +22.32% |
| Jun 30, 2025 | GRANAHAN INVESTMENT MANAGEMENT, LLC | 0.25% | 200.32K | 1.8M | 164.23K | +455.01% |
| Jun 30, 2025 | 0.23% | 185.3K | 1.66M | -42.9K | -18.80% | |
| Jun 30, 2025 | LAZARD ASSET MANAGEMENT LLC | 0.22% | 176.3K | 1.58M | 176.3K | +100.00% |
| Jun 30, 2025 | TUDOR INVESTMENT CORP ET AL | 0.21% | 167.92K | 1.51M | -311.25K | -64.96% |
| Jun 30, 2025 | JUMP FINANCIAL, LLC | 0.21% | 163.94K | 1.47M | 163.94K | +100.00% |
| Jun 30, 2025 | ALGERT GLOBAL LLC | 0.2% | 157.65K | 1.41M | 0 | 0 |
| Jun 30, 2025 | SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 0.16% | 129.01K | 1.16M | -13.09K | -9.21% |
| Jun 30, 2025 | PARADIGM CAPITAL MANAGEMENT INC/NY | 0.15% | 120K | 1.08M | 40K | +50.00% |
| Jun 30, 2025 | SKANDINAVISKA ENSKILDA BANKEN AB (PUBL) | 0.15% | 118.64K | 1.06M | -1.78K | -1.48% |
| Jun 30, 2025 | ASSENAGON ASSET MANAGEMENT S.A. | 0.15% | 117.82K | 1.06M | 0 | 0 |
| Jun 30, 2025 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.15% | 115.8K | 1.04M | 0 | 0 |
| Jun 30, 2025 | VERITION FUND MANAGEMENT LLC | 0.14% | 109.88K | 985.65K | 24.36K | +28.48% |
| Jun 30, 2025 | SUSQUEHANNA ADVISORS GROUP, INC. | 0.12% | 92.11K | 826.25K | -5.54K | -5.67% |
| Jun 30, 2025 | LIDO ADVISORS, LLC | 0.11% | 90.73K | 813.87K | -78 | -0.09% |
| Jun 30, 2025 | BOOTHBAY FUND MANAGEMENT, LLC | 0.1% | 82.53K | 740.27K | 21.86K | +36.03% |
| Jun 30, 2025 | SUSQUEHANNA PORTFOLIO STRATEGIES, LLC | 0.1% | 81.26K | 728.94K | 67.61K | +495.34% |
| Jun 30, 2025 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 0.09% | 71.1K | 637.8M | -1.19K | -1.64% |
| Jun 30, 2025 | KOESTEN, HIRSCHMANN & CRABTREE, INC. | 0.09% | 70.45K | 631.92K | 0 | 0 |
| Jun 30, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0.08% | 67.7K | 607.29M | -1.19K | -1.72% |
| Jun 30, 2025 | GOLDMAN SACHS GROUP INC | 0.64% | 512.18K | 4.59M | 139.27K | +37.35% |
| Jun 30, 2025 | DIVISAR CAPITAL MANAGEMENT LLC | 5.3% | 4.23M | 37.94M | 800.5K | +23.35% |
| Jun 30, 2025 | MORGAN STANLEY | 1.18% | 944K | 8.47M | -98.73K | -9.47% |
| Jun 30, 2025 | CITADEL ADVISORS LLC | 0.51% | 405.05K | 3.63M | 120.46K | +42.33% |
| Jun 30, 2025 | NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. | 0.43% | 343.11K | 3.08M | -92K | -21.14% |
| Jun 30, 2025 | ALLIANCEBERNSTEIN L.P. | 0.42% | 333.61K | 2.99M | 146.26K | +78.07% |
| Jun 30, 2025 | TREXQUANT INVESTMENT LP | 0.36% | 289.96K | 2.6M | -103.53K | -26.31% |
| Jun 30, 2025 | INVESCO LTD. | 0.35% | 283.13K | 2.54M | -900.05K | -76.07% |
| Jun 30, 2025 | CUBIST SYSTEMATIC STRATEGIES, LLC | 0.35% | 278.93K | 2.5M | -170.13K | -37.88% |
| Jun 30, 2025 | AQR CAPITAL MANAGEMENT LLC | 0.31% | 244.33K | 2.19M | -104.14K | -29.89% |
| Jun 30, 2025 | WALLEYE CAPITAL LLC | 0.3% | 238.96K | 2.14M | 234.21K | +4,929.74% |
| Jun 30, 2025 | RAYMOND JAMES FINANCIAL INC | 0.3% | 238.76K | 2.14M | -142.14K | -37.32% |
| Jun 30, 2025 | STATE OF WISCONSIN INVESTMENT BOARD | 0.29% | 231.11K | 2.07M | 194.04K | +523.55% |
| Jun 30, 2025 | WHITE PINE CAPITAL LLC | 0.29% | 230.45K | 2.07M | 3.49K | +1.54% |
| Jun 30, 2025 | MACKENZIE FINANCIAL CORP | 0.29% | 229.14K | 2.06M | 153.48K | +202.87% |
| Jun 30, 2025 | MANATUCK HILL PARTNERS, LLC | 0.29% | 228.04K | 2.05M | 228.04K | +100.00% |
| Jun 30, 2025 | HRT FINANCIAL LP | 0.29% | 227.54K | 2.04M | 197.14K | +648.61% |
| Jun 30, 2025 | DNB ASSET MANAGEMENT AS | 3.42% | 2.73M | 24.48M | -822.09K | -23.15% |
| Jun 30, 2025 | ROYCE & ASSOCIATES LP | 2.64% | 2.1M | 18.86M | 695.57K | +49.45% |
| Jun 30, 2025 | SG CAPITAL MANAGEMENT LLC | 1.06% | 847.42K | 7.6M | 847.42K | +100.00% |
| Jun 30, 2025 | MARSHALL WACE, LLP | 1.02% | 816.53K | 7.32M | 382.61K | +88.17% |
| Jun 30, 2025 | FEDERATED HERMES, INC. | 0.96% | 767.74K | 6.89M | 5.22K | +0.69% |
| Jun 30, 2025 | KOVACK ADVISORS, INC. | 0.9% | 714.2K | 6.41M | 22.95K | +3.32% |
| Jun 30, 2025 | QUBE RESEARCH & TECHNOLOGIES LTD | 0.86% | 686.71K | 6.16M | 360.84K | +110.73% |
| Jun 30, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.86% | 682.07K | 6.12M | -22.2K | -3.15% |
| Jun 30, 2025 | NORTHERN TRUST CORP | 0.85% | 677.41K | 6.08M | -67.01K | -9.00% |
| Jun 30, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.84% | 668.84K | 6M | -149.29K | -18.25% |
| Jun 30, 2025 | BANK OF AMERICA CORP /DE/ | 0.81% | 646.37K | 5.8M | 139.32K | +27.48% |
| Jun 30, 2025 | 1492 CAPITAL MANAGEMENT LLC | 0.59% | 472.98K | 4.24M | -7.27K | -1.51% |
| Jun 30, 2025 | JPMORGAN CHASE & CO | 0.57% | 456.48K | 4.09M | -140.17K | -23.49% |
| Jun 30, 2025 | DIMENSIONAL FUND ADVISORS LP | 0.55% | 440.01K | 3.95M | -2K | -0.45% |
| Jun 30, 2025 | AMERICAN CENTURY COMPANIES INC | 0.28% | 224.02K | 2.01M | 22.52K | +11.18% |
| Jun 30, 2025 | STATE STREET CORP | 2.33% | 1.86M | 16.64M | -60.98K | -3.18% |
| Jun 30, 2025 | UBS GROUP AG | 0.37% | 293.28K | 2.63M | 171.88K | +141.57% |
| Jun 30, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 2.19% | 1.75M | 15.69M | -76.96K | -4.21% |
| Jun 30, 2025 | CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 0.35% | 277.82K | 2.49M | 110.23K | +65.77% |
| Jun 30, 2025 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.64% | 2.9M | 26.04M | -236.58K | -7.54% |
| Mar 31, 2025 | STATE STREET CORP | 2.41% | 1.92M | 16.71M | 164.67K | +9.40% |
| Mar 31, 2025 | DIMENSIONAL FUND ADVISORS LP | 0.56% | 442K | 3.86M | -181.93K | -29.16% |
| Mar 31, 2025 | ALYESKA INVESTMENT GROUP, L.P. | 0.56% | 445.26K | 3.88M | 445.26K | +100.00% |
| Mar 31, 2025 | CUBIST SYSTEMATIC STRATEGIES, LLC | 0.56% | 449.06K | 3.92M | 274.51K | +157.27% |
| Mar 31, 2025 | BARCLAYS PLC | 0.58% | 457.93K | 3.99M | 186.12K | +68.47% |
| Mar 31, 2025 | WESTERLY CAPITAL MANAGEMENT, LLC | 1.05% | 835K | 7.28M | -95K | -10.22% |
| Mar 31, 2025 | JANE STREET GROUP, LLC | 0.25% | 200.99K | 1.75M | -290.26K | -59.09% |
| Mar 31, 2025 | AMERICAN CENTURY COMPANIES INC | 0.25% | 201.49K | 1.76M | 29.39K | +17.08% |
| Mar 31, 2025 | BANK OF AMERICA CORP /DE/ | 0.64% | 507.04K | 4.42M | -126.97K | -20.03% |
| Mar 31, 2025 | STIFEL FINANCIAL CORP | 0.65% | 513.92K | 4.48M | 496.92K | +2,923.22% |
| Mar 31, 2025 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.54% | 426.17K | 3.72M | -305.58K | -41.76% |
| Mar 31, 2025 | MARSHALL WACE, LLP | 0.55% | 433.92K | 3.78M | 49.88K | +12.99% |
| Mar 31, 2025 | APIS CAPITAL ADVISORS, LLC | 0.55% | 435K | 3.79M | 435K | +100.00% |
| Mar 31, 2025 | JPMORGAN CHASE & CO | 0.75% | 596.65K | 5.2M | -267.16K | -30.93% |
| Mar 31, 2025 | FEDERATED HERMES, INC. | 0.96% | 762.52K | 6.65M | -16.78K | -2.15% |
| Mar 31, 2025 | INVESCO LTD. | 1.49% | 1.18M | 10.32M | 905.06K | +325.41% |
| Mar 31, 2025 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1.41% | 1.12M | 9.77M | -125K | -10.04% |
| Mar 31, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 1.83M | 15.93M | 25.78K | +1.43% |
| Mar 31, 2025 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 3.95% | 3.14M | 27.37M | -1.51M | -32.45% |
| Mar 31, 2025 | BLACKROCK, INC. | 9.55% | 7.6M | 66.26M | 730.1K | +10.63% |
| Mar 31, 2025 | KOVACK ADVISORS, INC. | 0.87% | 691.25K | 6.03M | -108.7K | -13.59% |
| Mar 31, 2025 | TUDOR INVESTMENT CORP ET AL | 0.6% | 479.17K | 4.18M | 200.68K | +72.06% |
| Mar 31, 2025 | 1492 CAPITAL MANAGEMENT LLC | 0.6% | 480.25K | 4.19M | 116.19K | +31.92% |
| Mar 31, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.89% | 704.27K | 6.14M | -52.63K | -6.95% |
| Mar 31, 2025 | NORTHERN TRUST CORP | 0.94% | 744.42K | 6.49M | 62.54K | +9.17% |
| Mar 31, 2025 | BANK OF NEW YORK MELLON CORP | 1.01% | 802.62K | 7M | -5.61K | -0.69% |
| Mar 31, 2025 | RENAISSANCE TECHNOLOGIES LLC | 1.03% | 818.13K | 7.13M | 489.89K | +149.25% |
| Mar 31, 2025 | TIETON CAPITAL MANAGEMENT, LLC | 1.21% | 960.74K | 8.38M | -231.27K | -19.40% |
| Mar 31, 2025 | MORGAN STANLEY | 1.31% | 1.04M | 9.09M | -142.44K | -12.02% |
| Mar 31, 2025 | FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 1.44% | 1.14M | 9.98M | -102.7K | -8.24% |
| Mar 31, 2025 | ROYCE & ASSOCIATES LP | 1.77% | 1.41M | 12.26M | 919K | +188.51% |
| Mar 31, 2025 | DNB ASSET MANAGEMENT AS | 4.47% | 3.55M | 30.97M | -1.47M | -29.28% |
| Mar 31, 2025 | NIERENBERG INVESTMENT MANAGEMENT COMPANY, INC. | 0.55% | 435.11K | 3.79M | 92K | +26.81% |
| Mar 31, 2025 | WHITE PINE CAPITAL LLC | 0.29% | 226.96K | 1.98M | -53.65K | -19.12% |
| Mar 31, 2025 | SG AMERICAS SECURITIES, LLC | 0.29% | 233.84K | 2.04M | 198.41K | +560.11% |
| Mar 31, 2025 | D. E. SHAW & CO., INC. | 0.28% | 221.97K | 1.94M | -9.4K | -4.06% |
| Mar 31, 2025 | AMERIPRISE FINANCIAL INC | 0.34% | 271.94K | 2.37M | -36.49K | -11.83% |
| Mar 31, 2025 | CITADEL ADVISORS LLC | 0.36% | 284.59K | 2.48M | -157.27K | -35.59% |
| Mar 31, 2025 | QUBE RESEARCH & TECHNOLOGIES LTD | 0.41% | 325.87K | 2.84M | 226.3K | +227.27% |
| Mar 31, 2025 | AQR CAPITAL MANAGEMENT LLC | 0.44% | 348.48K | 3.04M | 249.95K | +253.70% |
| Mar 31, 2025 | GOLDMAN SACHS GROUP INC | 0.47% | 372.91K | 3.25M | -8.39K | -2.20% |
| Mar 31, 2025 | DIVISAR CAPITAL MANAGEMENT LLC | 4.31% | 3.43M | 29.9M | -1.38M | -28.66% |
| Mar 31, 2025 | VANGUARD GROUP INC | 8.92% | 7.09M | 61.86M | 501.51K | +7.61% |
| Mar 31, 2025 | 0.26% | 204.47K | 1.78M | 204.47K | +100.00% | |
| Mar 31, 2025 | LISANTI CAPITAL GROWTH, LLC | 0.27% | 215.56K | 1.88M | 215.56K | +100.00% |
| Mar 31, 2025 | RAYMOND JAMES FINANCIAL INC | 0.48% | 380.9K | 3.32M | 123.31K | +47.87% |
| Mar 31, 2025 | HILLSDALE INVESTMENT MANAGEMENT INC. | 0.49% | 386.1K | 3.37M | 386.1K | +100.00% |
| Mar 31, 2025 | TREXQUANT INVESTMENT LP | 0.49% | 393.5K | 3.43M | 106.64K | +37.18% |
| Mar 31, 2025 | SQUAREPOINT OPS LLC | 0.51% | 403.4K | 3.52M | 15.45K | +3.98% |
| Mar 31, 2024 | HUNTINGTON NATIONAL BANK | 0% | 1 | 21 | 0 | 0 |
| Dec 31, 2023 | HUNTINGTON NATIONAL BANK | 0% | 1 | 21 | 0 | 0 |
| Sep 30, 2023 | HUNTINGTON NATIONAL BANK | 0% | 1 | 21 | 0 | 0 |
Among the ADTN insiders holding of 1.47% of the stake in company, SMITH MARK CLAY, 10 percent owner, holds the largest shares of 2.84M. SMITH LINDA JONES, , is the second largest ADTN insider with ownership of 2.84M shares. STANTON THOMAS R, Chairman & CEO, stands third with possession of 982.1K shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| SMITH MARK CLAY | 10 percent owner | 2.84M |
| SMITH LINDA JONES | 2.84M | |
| STANTON THOMAS R | Chairman & CEO | 982.1K |
| PROTIVA BRIAN | CEO of ADVA | 330.61K |
| WILSON JAMES DENSON JR | Chief Revenue Officer | 128.56K |
| NAIR BALAN | director | 70.1K |
| NICHOLS ROY J | director | 57.37K |
| THEODOSOPOULOS NIKOS | director | 52.15K |
| WHALEN DANIEL T | Chief Product Officer | 29.7K |
| KIMPE MARC | SVP, Research & Development | 27.45K |
| SANTO TIMOTHY P | SVP of Finance; CFO | 26.59K |
| SCHNEIDER KEVIN W | Chief Technology Officer | 22.45K |
| MCCRAY GREGORY JAMES | director | 21.67K |
| HARRIS RAY | Chief Information Officer | 13.05K |
| SHANNON ROGER D | VP of Treas & Corp Development | 12.81K |
| HUSS H FENWICK | director | 10.79K |
| MARKS WILLIAM L | director | 7K |
| SCHANSMAN RAYMOND R | SVP Global Services & Support | 6.41K |
| HEERING KEVIN P. | Sr VP Quality & Administration | 3.88K |
| FOLIANO MICHAEL | Chief Financial Officer | 249 |
| FREDRICKSON ROBERT A | VP - Carrier Network Sales | 0 |
| MATTHEWS JAMES E | director | 0 |
| LOCKE P STEVEN | VP Service Provider Sales | 0 |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Nov 28, 2025 | SANTO TIMOTHY P | PURCHASE | 8.02 | 6.15K | 49.32K | 26.59K |
| Nov 26, 2025 | THEODOSOPOULOS NIKOS | PURCHASE | 7.81 | 12.86K | 100.43K | 52.15K |
| Nov 24, 2025 | STANTON THOMAS R | PURCHASE | 7.33 | 40.93K | 300K | 982.1K |
| Dec 07, 2022 | STANTON THOMAS R | PURCHASE | 19.21 | 652 | 12.53K | 805.77K |
| Dec 07, 2022 | MCCRAY GREGORY JAMES | PURCHASE | 19.21 | 36 | 697.75 | 21.67K |
| Sep 04, 2022 | WILSON JAMES DENSON JR | PURCHASE | 22.90 | 102 | 2.34K | 128.56K |
| Sep 04, 2022 | STANTON THOMAS R | PURCHASE | 22.90 | 296 | 6.78K | 855.75K |
| Sep 01, 2022 | STANTON THOMAS R | PURCHASE | 0.00 | 619 | - | 158.92K |
| Sep 01, 2022 | FOLIANO MICHAEL | PURCHASE | 20.62 | 1 | 19.45 | 249 |
| Sep 01, 2022 | MCCRAY GREGORY JAMES | PURCHASE | 22.90 | 30 | 694.97 | 21.69K |
| Sep 01, 2022 | WILSON JAMES DENSON JR | PURCHASE | 23.01 | 67 | 1.55K | 17.26K |
| Aug 23, 2022 | PROTIVA BRIAN | SALE | 24.64 | 17.67K | 435.34K | 330.61K |
| Aug 11, 2022 | WILSON JAMES DENSON JR | SALE | 24.29 | 3.8K | 92.23K | 128.46K |
| Feb 24, 2022 | KIMPE MARC | SALE | 20.02 | 5K | 100.1K | 27.45K |
| Nov 15, 2021 | HARRIS RAY | SALE | 21.23 | 2.27K | 48.2K | 13.05K |
| Nov 09, 2021 | NAIR BALAN | PURCHASE | 20.95 | 4.77K | 99.99K | 70.1K |
| Oct 18, 2020 | LOCKE P STEVEN | SALE | 32.38 | 5.75K | 186.17K | 0 |
| Feb 18, 2020 | WHALEN DANIEL T | PURCHASE | 8.71 | 6.5K | 56.59K | 29.7K |
| Feb 14, 2020 | WHALEN DANIEL T | PURCHASE | 8.95 | 13.5K | 120.77K | 23.2K |
| Nov 25, 2019 | KIMPE MARC | PURCHASE | 9.02 | 3K | 27.06K | 19.16K |
| Nov 07, 2019 | NAIR BALAN | PURCHASE | 9.19 | 10K | 91.88K | 49.51K |
| Oct 16, 2019 | SHANNON ROGER D | SALE | 9.71 | 6.2K | 60.23K | 12.81K |
| Apr 23, 2019 | WILSON JAMES DENSON JR | SALE | 17.61 | 3.27K | 57.55K | 16.82K |
| Apr 23, 2019 | SHANNON ROGER D | SALE | 17.65 | 5.7K | 100.6K | 19.01K |
| Apr 22, 2019 | NICHOLS ROY J | SALE | 17.50 | 12.49K | 218.48K | 57.37K |
| Nov 12, 2018 | WILSON JAMES DENSON JR | SALE | 13.45 | 1.62K | 21.72K | 12.26K |
| Nov 11, 2018 | WILSON JAMES DENSON JR | SALE | 14.12 | 1.47K | 20.73K | 13.88K |
| Oct 23, 2017 | HEERING KEVIN P. | SALE | 21.59 | 9.81K | 211.83K | 3.88K |
| Oct 20, 2017 | SCHANSMAN RAYMOND R | SALE | 21.70 | 48.06K | 1.04M | 6.41K |
| Jul 25, 2017 | FOLIANO MICHAEL | SALE | 23.77 | 23.68K | 562.86K | 5.1K |
| Jul 24, 2017 | FOLIANO MICHAEL | SALE | 23.70 | 322 | 7.63K | 5.1K |
| Nov 17, 2016 | WILSON JAMES DENSON JR | SALE | 19.93 | 26.3K | 524.04K | 6.46K |
| Apr 28, 2015 | STANTON THOMAS R | PURCHASE | 16.05 | 31.2K | 500.76K | 114K |
| Apr 24, 2015 | MATTHEWS JAMES E | SALE | 16.03 | 17.25K | 276.58K | 0 |
| Nov 26, 2014 | FREDRICKSON ROBERT A | SALE | 21.08 | 1 | 21.08 | 0 |
| Nov 26, 2014 | HUSS H FENWICK | SALE | 21.21 | 5K | 106.04K | 10.79K |
| Aug 29, 2014 | HEERING KEVIN P. | SALE | 23.11 | 1.32K | 30.6K | 150 |
| Jul 21, 2014 | FREDRICKSON ROBERT A | SALE | 22.07 | 2.58K | 56.87K | 0 |
| Nov 25, 2013 | WILSON JAMES DENSON JR | SALE | 24.56 | 14.03K | 344.6K | 1.03K |
| Jul 16, 2013 | FREDRICKSON ROBERT A | SALE | 25.35 | 3.75K | 95.06K | 0 |
| Nov 30, 2012 | NICHOLS ROY J | SALE | 20.01 | 10K | 200.1K | 15.99K |
| Jul 15, 2012 | MARKS WILLIAM L | PURCHASE | 21.93 | 7K | 153.48K | 7K |
| Jul 13, 2012 | MARKS WILLIAM L | PURCHASE | 21.93 | 7K | 153.48K | 7K |
| May 11, 2012 | WILSON JAMES DENSON JR | SALE | 30.51 | 562 | 17.15K | 0 |
| Apr 30, 2012 | FREDRICKSON ROBERT A | SALE | 30.51 | 3.75K | 114.42K | 0 |
| Feb 15, 2012 | SCHNEIDER KEVIN W | SALE | 37.54 | 11.28K | 423.45K | 22.45K |
| Nov 29, 2011 | NICHOLS ROY J | PURCHASE | 31.38 | 3 | 94.14 | 6 |
| Nov 16, 2011 | FREDRICKSON ROBERT A | SALE | 34.01 | 48 | 1.63K | 0 |
| Feb 11, 2011 | SCHNEIDER KEVIN W | SALE | 46.69 | 33.72K | 1.57M | 16.8K |
| Feb 08, 2011 | LOCKE P STEVEN | SALE | 44.81 | 7.33K | 328.46K | 0 |
| Feb 07, 2011 | SCHANSMAN RAYMOND R | SALE | 46.41 | 10.5K | 487.36K | 0 |
| Feb 01, 2011 | LOCKE P STEVEN | SALE | 41.70 | 2.88K | 119.88K | 0 |
| Jan 31, 2011 | FOLIANO MICHAEL | SALE | 41.80 | 10K | 418K | 0 |
| Jan 28, 2011 | WILSON JAMES DENSON JR | SALE | 41.69 | 18K | 750.37K | 0 |
| Jan 27, 2011 | SCHANSMAN RAYMOND R | SALE | 42.96 | 15.46K | 664K | 2.3K |
| Jan 26, 2011 | SCHANSMAN RAYMOND R | SALE | 42.25 | 9.61K | 405.85K | 2.3K |
| Jan 26, 2011 | SCHNEIDER KEVIN W | SALE | 42.26 | 32.15K | 1.36M | 16.8K |
| Jan 26, 2011 | STANTON THOMAS R | SALE | 41.50 | 98.48K | 4.09M | 44.14K |
| Jan 24, 2011 | MATTHEWS JAMES E | SALE | 41.52 | 30K | 1.25M | 0 |
| Jan 21, 2011 | FREDRICKSON ROBERT A | SALE | 41.40 | 3.75K | 155.26K | 0 |
| Jan 21, 2011 | MATTHEWS JAMES E | SALE | 41.53 | 6.4K | 265.76K | 15.74K |
| Jan 21, 2011 | HUSS H FENWICK | SALE | 41.55 | 10K | 415.52K | 0 |
| Oct 18, 2010 | LOCKE P STEVEN | SALE | 32.38 | 6.39K | 207.02K | 0 |
| Aug 30, 2010 | SCHNEIDER KEVIN W | SALE | 31.93 | 10K | 319.33K | 16.8K |
| Aug 27, 2010 | LOCKE P STEVEN | SALE | 31.29 | 3.37K | 105.49K | 0 |
| Aug 23, 2010 | LOCKE P STEVEN | SALE | 30.71 | 2.88K | 88.29K | 0 |
| Aug 06, 2010 | MARKS WILLIAM L | SALE | 31.05 | 10K | 310.5K | 0 |
| Jul 19, 2010 | SCHANSMAN RAYMOND R | SALE | 31.35 | 15K | 470.25K | 2.3K |
| Jul 16, 2010 | WILSON JAMES DENSON JR | SALE | 30.69 | 19K | 583.14K | 0 |
| May 25, 2010 | STANTON THOMAS R | SALE | 26.94 | 33.5K | 902.61K | 36.35K |
| May 25, 2010 | SCHNEIDER KEVIN W | SALE | 26.90 | 6K | 161.4K | 16.8K |
| Feb 24, 2010 | SCHANSMAN RAYMOND R | SALE | 23.80 | 2.5K | 59.5K | 2.3K |
| Nov 11, 2009 | WILSON JAMES DENSON JR | SALE | 23.68 | 5.25K | 124.29K | 0 |
| Aug 21, 2009 | SCHNEIDER KEVIN W | SALE | 23.45 | 2.78K | 65.28K | 16.8K |
| Aug 03, 2009 | FREDRICKSON ROBERT A | SALE | 24.13 | 9.52K | 229.77K | 8K |
| Jul 24, 2009 | FREDRICKSON ROBERT A | SALE | 24.80 | 7.84K | 194.5K | 8K |
| Jul 17, 2009 | FREDRICKSON ROBERT A | SALE | 23.51 | 26.48K | 622.58K | 8K |
| Jun 30, 2009 | SMITH LINDA JONES | SALE | 21.42 | 169.9K | 3.64M | 2.84M |
| Jun 30, 2009 | SMITH MARK CLAY | SALE | 21.42 | 169.9K | 3.64M | 2.84M |
| Jun 29, 2009 | SMITH LINDA JONES | SALE | 21.54 | 100K | 2.15M | 3.01M |
| Jun 29, 2009 | SMITH MARK CLAY | SALE | 21.54 | 100K | 2.15M | 3.01M |
| Jun 05, 2009 | SMITH MARK CLAY | SALE | 20.97 | 30.1K | 631.32K | 3.11M |
| Jun 05, 2009 | SMITH LINDA JONES | SALE | 20.97 | 30.1K | 631.32K | 3.11M |
| Jun 04, 2009 | SMITH LINDA JONES | SALE | 21.27 | 200K | 4.25M | 3.14M |
| Jun 04, 2009 | SMITH MARK CLAY | SALE | 21.27 | 200K | 4.25M | 3.14M |
| May 15, 2009 | WILSON JAMES DENSON JR | SALE | 19.69 | 500 | 9.85K | 0 |
| Apr 30, 2009 | SCHNEIDER KEVIN W | SALE | 21.55 | 29.1K | 627.25K | 16.8K |
| Apr 29, 2009 | FREDRICKSON ROBERT A | SALE | 20.94 | 1K | 20.94K | 0 |