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ADTN · ADTRAN Holdings, Inc.

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$11.65 -0.06 (-0.51%) At close · Jul 17
Market Cap
$943.63M
Shares
81.00M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 230
Total Value: $950,759,222
Total Shares: 75,370,937
Showing 1–100 of 234 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 227 13F filers
Top Holder
10.6%
Jun 2023 → Mar 2026 · range 10.6% – 20.4%
of institutional value
Top 5
26.9%
Jun 2023 → Mar 2026 · range 26.9% – 49.3%
of institutional value
Top 10
39.5%
Jun 2023 → Mar 2026 · range 39.5% – 64.9%
of institutional value
HHI
272
Jun 2023 → Mar 2026 · range 272 – 756
Broadly held
Showing 100 of 234
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $98,630,390 10.37% 7,840,254
Mega VANGUARD CAPITAL MANAGEMENT LLC $43,101,973 4.53% 3,426,230
Mid ROYCE & ASSOCIATES LP $39,342,729 4.14% 3,127,403
Large DNB Asset Management AS $39,295,881 4.13% 3,123,679
Mega STATE STREET CORP $29,572,271 3.11% 2,350,737
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $25,028,287 2.63% 1,989,530
Mega MILLENNIUM MANAGEMENT LLC $23,856,850 2.51% 1,896,411
Mega MORGAN STANLEY $23,057,527 2.43% 1,832,872
Mega GEODE CAPITAL MANAGEMENT, LLC $22,884,567 2.41% 1,819,123
Small Divisar Capital Management LLC $22,259,542 2.34% 1,769,439
Mega JPMORGAN CHASE & CO $19,105,205 2.01% 1,518,697
Large First Eagle Investment Management, LLC $17,218,334 1.81% 1,368,707
Mega DIMENSIONAL FUND ADVISORS LP $16,819,810 1.77% 1,337,028
Large SG Americas Securities, LLC Broker-Dealer $16,555,896 1.74% 1,316,049
Mid NEEDHAM INVESTMENT MANAGEMENT LLC $15,454,529 1.63% 1,228,500
Small Shannon River Fund Management LLC $15,347,298 1.61% 1,219,976
Mega D. E. Shaw & Co., Inc. $15,334,629 1.61% 1,218,969
Large Boston Partners $14,860,929 1.56% 1,181,314
Mega TWO SIGMA INVESTMENTS, LP $14,133,931 1.49% 1,123,524
Large SEI INVESTMENTS CO $13,902,283 1.46% 1,105,110
Small Tieton Capital Management, LLC $13,022,400 1.37% 1,035,167
Large Assenagon Asset Management S.A. $12,756,780 1.34% 917,754
Mega Invesco Ltd. $12,466,702 1.31% 990,994
Mega GOLDMAN SACHS GROUP INC $12,211,493 1.28% 970,707
Mega BARCLAYS PLC $11,671,408 1.23% 927,775
Large FEDERATED HERMES, INC. $11,606,508 1.22% 922,616
Large MARSHALL WACE, LLP $11,215,319 1.18% 891,520
Large Squarepoint Ops LLC $11,170,561 1.17% 887,962
Mega AQR CAPITAL MANAGEMENT LLC $10,616,561 1.12% 843,924
Small WESTERLY CAPITAL MANAGEMENT, LLC $10,064,000 1.06% 800,000
Mid HEARTLAND ADVISORS INC $9,435,000 0.99% 750,000
Mid Kovack Advisors, Inc. $9,258,880 0.97% 736,000
Mid PARADIGM CAPITAL MANAGEMENT INC/NY $9,223,656 0.97% 733,200
Large Trexquant Investment LP $8,616,155 0.91% 684,909
Mega NORTHERN TRUST CORP Bank $8,293,338 0.87% 659,248
Large TUDOR INVESTMENT CORP ET AL $8,239,182 0.87% 654,943
Small 1492 Capital Management LLC $7,862,801 0.83% 625,024
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $7,851,328 0.83% 624,112
Mega FMR LLC $7,742,184 0.81% 615,436
Mid HENNESSY ADVISORS INC $7,315,570 0.77% 526,300
Large HRT FINANCIAL LP $7,147,025 0.75% 568,126
Large Point72 Asset Management, L.P. $7,104,932 0.75% 564,780
Large Connor, Clark & Lunn Investment Management Ltd. $7,049,177 0.74% 560,348
Small Kerrisdale Advisers, LLC $6,944,285 0.73% 552,010
Mega VANGUARD FIDUCIARY TRUST CO Bank $6,573,427 0.69% 522,530
Large NOMURA HOLDINGS INC $5,839,334 0.61% 464,176
Large JACOBS LEVY EQUITY MANAGEMENT, INC $5,807,946 0.61% 461,681
Mega ROYAL BANK OF CANADA Bank $5,754,117 0.61% 457,402
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $5,732,039 0.60% 455,647
Mid Y-Intercept (Hong Kong) Ltd $5,147,086 0.54% 370,294
Mega CITADEL ADVISORS LLC $4,953,173 0.52% 393,734
Mega WELLS FARGO & COMPANY/MN $4,762,434 0.50% 378,572
Large MACKENZIE FINANCIAL CORP $4,637,994 0.49% 368,680
Mega BANK OF AMERICA CORP /DE/ Bank $4,619,702 0.49% 367,226
Small Lisanti Capital Growth, LLC $4,239,019 0.45% 336,965
Mega Nuveen, LLC $4,216,676 0.44% 335,189
Small WHITE PINE CAPITAL LLC $3,703,162 0.39% 294,369
Mid CRAMER ROSENTHAL MCGLYNN LLC $3,612,699 0.38% 287,178
Large Qube Research & Technologies Ltd $3,395,908 0.36% 269,945
Large ExodusPoint Capital Management, LP $3,269,743 0.34% 259,916
Mega DEUTSCHE BANK AG\ Bank $3,253,904 0.34% 258,657
Small Manatuck Hill Partners, LLC $3,145,000 0.33% 250,000
Large STATE OF WISCONSIN INVESTMENT BOARD $3,141,301 0.33% 249,706
Mega UBS Group AG $3,134,394 0.33% 249,157
Mega Bank of New York Mellon Corp Bank $3,019,211 0.32% 240,001
Mid Skandinaviska Enskilda Banken AB (publ) $2,958,664 0.31% 235,188
Mid ALGERT GLOBAL LLC $2,870,252 0.30% 228,160
Mid Engineers Gate Manager LP $2,748,868 0.29% 218,511
Mega AMERICAN CENTURY COMPANIES INC $2,720,575 0.29% 216,262
Large RENAISSANCE TECHNOLOGIES LLC $2,552,469 0.27% 202,899
Small HERALD INVESTMENT MANAGEMENT Ltd $2,516,000 0.26% 200,000
Mega RAYMOND JAMES FINANCIAL INC $2,415,296 0.25% 191,995
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $2,393,192 0.25% 190,238
Small Inspire Investing, LLC $2,296,126 0.24% 182,522
Mega AMERIPRISE FINANCIAL INC $2,163,206 0.23% 171,956
Mega BNP PARIBAS ARBITRAGE, SA $2,148,274 0.23% 170,769
Mega ALLIANCEBERNSTEIN L.P. $2,112,433 0.22% 167,920
Large Walleye Trading LLC $1,948,591 0.20% 154,896
Large ACADIAN ASSET MANAGEMENT LLC $1,858,141 0.20% 147,706
Mid Brevan Howard Capital Management LP $1,814,211 0.19% 144,214
Mega Swiss National Bank Bank $1,793,908 0.19% 142,600
Small GLOBEFLEX CAPITAL L P $1,665,805 0.18% 132,417
Large Lido Advisors, LLC $1,626,971 0.17% 129,330
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $1,610,264 0.17% 128,002
Mega VICTORY CAPITAL MANAGEMENT INC $1,554,888 0.16% 123,600
Mid Legato Capital Management LLC $1,548,598 0.16% 123,100
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $1,547,590 0.16% 123,020
Mega PRICE T ROWE ASSOCIATES INC /MD/ $1,543,654 0.16% 122,707
Mid Divisadero Street Capital Management, LP $1,531,375 0.16% 121,731
Mid OP Asset Management Ltd $1,451,404 0.15% 115,374
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,434,736 0.15% 114,049
Mid Jump Financial, LLC $1,331,794 0.14% 105,866
Mid BURNEY CO/ $1,300,998 0.14% 93,597
Mega JANE STREET GROUP, LLC $1,276,730 0.13% 101,489
Mid OCCUDO QUANTITATIVE STRATEGIES LP $1,270,026 0.13% 100,956
Mega Legal & General Group Plc $1,264,112 0.13% 100,486
Mid SIMPLEX TRADING, LLC $1,227,619 0.13% 97,585
Mega HSBC HOLDINGS PLC $1,225,430 0.13% 97,411
Mega RHUMBLINE ADVISERS $1,174,833 0.12% 93,389
Small Nierenberg Investment Management Company, LLC $1,171,323 0.12% 93,110
Key facts CIK 926282 CUSIP 00486H105 13F (30d) 13 filings 13 filers Visit website Investor relations

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