Adtran HoldingsADTN

13F holders, Q4 2025 (December 31)
213holders −8
24new positions
31sold out
7famous investors
$8.69avg. 13F price*

At the end of Q4 2025, 213 institutions reported holding Adtran Holdings Inc. (ADTN) in their 13F filings, down 8 from Q3 2025. 24 opened new positions and 31 sold out. The largest holders were Vanguard Group Inc. ($71.2M), BlackRock, Inc. ($70.6M) and DNB Asset Management AS ($27.1M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Adtran Holdings Inc.
CUSIP
00486H105
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 168Q1 2024Q2 2024: 158Q2 2024Q3 2024: 152Q3 2024Q4 2024: 158Q4 2024Q1 2025: 205Q1 2025Q2 2025: 193Q2 2025Q3 2025: 221Q3 2025Q4 2025: 213Q4 2025Q1 2026: 228Q1 2026Q2 2026: 249Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions24$16.9M
Exits31$49.9M

All 13F filers, Q3 2025 → Q4 2025: 12,519,694 shares bought and 9,220,085 shares sold, net +3,299,609 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 213 holders

Vanguard Group Inc. 0.00% Reduce -2.3% 8,188,496 $71.2M
BlackRock, Inc. 0.00% Reduce -1.8% 8,125,259 $70.6M
DNB Asset Management AS 0.09% Add +7.6% 3,123,679 $27.1M
Divisar Capital Management LLC 7.29% Reduce -7.1% 2,986,302 $26.0M
Millennium Management 0.02% Add +371.2% 2,694,800 $23.4M
Royce & Associates LP 0.23% Add +7.7% 2,597,013 $22.6M
William Blair Investment Management, LLC 0.06% Reduce -9.4% 2,478,621 $21.5M
State Street Corp. 0.00% Add +4.5% 1,985,890 $17.3M
Geode Capital Management, LLC 0.00% Reduce -0.2% 1,766,102 $15.4M
Needham Investment Management LLC 0.79% Add +23.2% 1,447,500 $12.6M
Morgan Stanley 0.00% Add +69.3% 1,343,547 $11.7M
First Eagle Investment Management, LLC 0.02% Add +2.1% 1,235,207 $10.7M
D. E. Shaw & Co. 0.01% Add +269.0% 1,198,773 $10.4M
Paradigm Capital Management Inc. 0.41% Add +527.7% 1,129,909 $9.8M
Assenagon Asset Management S.A. 0.01% Add +21.1% 1,129,047 $9.8M
Barclays PLC 0.00% Add +39.6% 1,125,703 $9.8M
Ophir Asset Management Pty Ltd 1.04% Reduce -11.2% 1,069,420 $9.3M
Tieton Capital Management, LLC 2.94% Reduce -0.1% 988,379 $8.6M
Tudor Investment Corporation 0.05% Add +5.6% 947,508 $8.2M
Dimensional Fund Advisors LP 0.00% Add +106.1% 888,180 $7.7M
Federated Hermes, Inc. 0.01% Add +12.1% 866,431 $7.5M
SG Americas Securities, LLC 0.01% Add +324.3% 857,044 $7.4M
Squarepoint Ops LLC 0.01% Add +16.9% 797,440 $6.9M
Kovack Advisors, Inc. 0.31% Add +6.5% 753,550 $6.5M
Westerly Capital Management, LLC 1.83% Reduce -23.9% 700,000 $6.1M
Charles Schwab Investment Management Inc. 0.00% Reduce -0.2% 686,940 $6.0M
Nomura Holdings Inc. 0.02% New 681,349 $5.9M
Northern Trust Corp. 0.00% Reduce -4.7% 642,460 $5.6M
1492 Capital Management LLC 2.00% Add +1.9% 585,277 $5.1M
HRT Financial LP 0.01% Reduce -12.0% 546,159 $4.7M
Alyeska Investment Group, L.P. 0.01% Reduce -49.7% 545,464 $4.7M
Royal Bank of Canada 0.00% Add +6125.7% 535,720 $4.7M
Goldman Sachs Group Inc. 0.00% Reduce -19.1% 521,223 $4.5M
Hillsdale Investment Management Inc. 0.12% Reduce -3.6% 494,250 $4.3M
Atom Investors LP 0.30% Add +146.9% 439,946 $3.8M
JPMorgan Chase & Co. 0.00% Reduce -46.5% 435,184 $3.8M
Wells Fargo & Company 0.00% Add +746.1% 425,294 $3.7M
Sei Investments Co. 0.00% New 421,848 $3.7M
Point72 Asset Management 0.01% Add +249.1% 421,386 $3.7M
Algert Global LLC 0.05% Add +69.8% 387,330 $3.4M
Mackenzie Financial Corp. 0.00% Add +33.9% 361,607 $3.2M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -1.4% 365,226 $3.2M
Trexquant Investment LP 0.03% Reduce -47.3% 359,047 $3.1M
BNP Paribas Financial Markets 0.00% Add +33.2% 348,399 $3.0M
Deutsche Bank AG 0.00% Add +298.9% 347,289 $3.0M
Jane Street Group, LLC 0.00% Reduce -22.1% 343,947 $3.0M
White Pine Capital LLC 0.81% Add +47.8% 340,501 $3.0M
Bank of America Corp. 0.00% Reduce -24.1% 326,631 $2.8M
Alliancebernstein L.P. 0.00% Reduce -0.0% 296,231 $2.6M
Arrowstreet Capital, Limited Partnership 0.00% New 284,502 $2.5M
State of Wisconsin Investment Board 0.01% Add +7.6% 270,589 $2.4M
Renaissance Technologies 0.00% Reduce -7.3% 251,840 $2.2M
Bank of New York Mellon Corp 0.00% Add +7.0% 249,030 $2.2M
Invesco Ltd. 0.00% Reduce -5.3% 246,809 $2.1M
AQR Capital Management 0.00% Add +34.3% 236,912 $2.1M
Raymond James Financial Inc. 0.00% Reduce -3.1% 232,262 $2.0M
American Century Companies Inc. 0.00% Reduce -8.4% 217,557 $1.9M
ExodusPoint Capital Management, LP 0.02% Add +111.0% 211,917 $1.8M
Ameriprise Financial Inc. 0.00% Reduce -13.1% 201,330 $1.7M
HERALD INVESTMENT MANAGEMENT Ltd 0.23% No change 200,000 $1.7M
FMR LLC 0.00% Add +1006.8% 197,878 $1.7M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +1.1% 187,814 $1.6M
Nuveen, LLC 0.00% Reduce -2.5% 180,632 $1.6M
Man Group plc 0.00% Reduce -59.4% 174,674 $1.5M
UBS Group AG 0.00% Reduce -46.9% 168,212 $1.5M
Gsa Capital Partners LLP 0.12% Add +130.4% 157,156 $1.4M
Engineers Gate Manager LP 0.02% Add +352.0% 153,448 $1.3M
Niles Investment Management, LLC 1.08% — 149,494 $1.3M
Hussman Strategic Advisors, Inc. 0.31% No change 147,000 $1.3M
Voloridge Investment Management, LLC 0.00% Add +685.0% 146,148 $1.3M
Swiss National Bank 0.00% No change 139,700 $1.2M
Divisadero Street Capital Management, LP 0.06% New 127,489 $1.1M
Victory Capital Management Inc. 0.00% Add +5.6% 125,000 $1.1M
Brevan Howard Capital Management LP 0.02% Add +157.3% 121,014 $1.1M
Skandinaviska Enskilda Banken AB (publ) 0.00% No change 117,594 $1.0M
Susquehanna International Group, LLP 0.00% Reduce -73.6% 117,113 $1.0M
Legal & General Group Plc 0.00% Reduce -0.2% 113,126 $983K
T. Rowe Price Associates Inc. 0.00% Add +3.1% 108,727 $945K
Globeflex Capital L P 0.14% No change 106,755 $928K
Balyasny Asset Management L.P. 0.00% Reduce -63.1% 102,503 $891K
Boothbay Fund Management, LLC 0.02% Reduce -7.1% 101,822 $885K
Citadel Advisors 0.00% Reduce -91.9% 98,395 $855K
Qube Research & Technologies Ltd 0.00% Reduce -65.5% 98,108 $853K
Lido Advisors, LLC 0.00% No change 90,778 $851K
Integrated Quantitative Investments LLC 0.18% Add +202.4% 97,726 $849K
Verition Fund Management LLC 0.00% Reduce -9.6% 95,827 $833K
Rhumbline Advisers 0.00% Reduce -15.8% 95,747 $832K
Nierenberg Investment Management Company, LLC 0.41% Reduce -72.9% 93,110 $809K
Acadian Asset Management LLC 0.00% New 89,054 $771K
Susquehanna Advisors Group, Inc. 0.03% No change 82,552 $717K
Franklin Resources Inc. 0.00% Add +1.6% 79,692 $693K
HSBC Holdings PLC 0.00% Add +29.8% 78,464 $686K
Jump Financial, LLC 0.01% Reduce -59.2% 78,555 $683K
Numerai GP LLC 0.08% Add +428.9% 74,520 $648K
California State Teachers Retirement System 0.00% Add +24.1% 72,577 $631K
Two Sigma Investments, LP 0.00% Reduce -33.9% 70,533 $613K
Koesten, Hirschmann & Crabtree, INC. 0.30% No change 70,448 $612K
Massachusetts Financial Services Co. 0.00% Reduce -3.2% 69,431 $603K
Graham Capital Management, L.P. 0.03% Add +19.8% 67,670 $588K
XTX Topco Ltd 0.02% Add +11.8% 66,690 $580K
Susquehanna Portfolio Strategies, LLC 0.01% Reduce -17.7% 65,639 $570K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% New 64,800 $563K
Jain Global LLC 0.01% Add +63.5% 64,780 $563K
Creative Planning 0.00% Reduce -8.4% 60,947 $530K
Versor Investments LP 0.08% Add +286.0% 60,600 $527K
Worth Venture Partners, LLC 3.81% Reduce -58.1% 60,492 $526K
Jacobs Levy Equity Management, Inc. 0.00% New 59,192 $514K
Teacher Retirement System of Texas 0.00% Reduce -19.2% 57,432 $499K
Voya Investment Management LLC 0.00% Add +36.0% 57,374 $499K
Two Sigma Advisers, LP 0.00% Add +25.6% 57,000 $495K
Granahan Investment Management, LLC 0.02% Reduce -90.6% 54,840 $477K
Inspire Investing, LLC 0.04% Add +10.9% 53,434 $464K
Bank of Montreal 0.00% New 50,328 $437K
Inceptionr LLC 0.11% Add +78.6% 45,338 $394K
Lazard Asset Management LLC 0.00% New 45,238 $393K
Quantinno Capital Management LP 0.00% Add +1.9% 44,174 $384K
Los Angeles Capital Management LLC 0.00% Reduce -63.0% 29,684 $313K
Y-Intercept (Hong Kong) Ltd 0.01% Add +45.0% 35,827 $311K
Quadrant Capital Group LLC 0.01% Reduce -2.4% 35,710 $310K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +0.8% 34,523 $300K
MetLife Investment Management, LLC 0.00% Reduce -21.9% 33,464 $291K
Janus Henderson Group PLC 0.00% No change 32,900 $286K
Waverly Advisors, LLC 0.00% Reduce -0.2% 31,637 $275K
Virtus Advisers, LLC 0.13% No change 31,571 $274K
Campbell & CO Investment Adviser LLC 0.01% Add +70.3% 30,732 $267K
Panagora Asset Management Inc. 0.00% Add +94.6% 29,879 $260K
Bridgefront Capital, LLC 0.06% Add +17.7% 29,717 $258K
Russell Investments Group, Ltd. 0.00% Reduce -47.5% 28,868 $251K
EntryPoint Capital, LLC 0.10% Reduce -47.6% 28,763 $250K
Intech Investment Management LLC 0.00% Reduce -19.5% 23,667 $206K
Manufacturers Life Insurance Company, The 0.00% Reduce -10.3% 22,541 $196K
State Board of Administration of Florida Retirement System 0.00% No change 22,299 $194K
New York State Common Retirement Fund 0.00% No change 21,858 $190K
Police & Firemen's Retirement System of New Jersey 0.00% No change 21,011 $183K
PDT Partners, LLC 0.01% New 20,755 $180K
Arizona State Retirement System 0.00% Reduce -6.0% 20,025 $174K
Aquatic Capital Management LLC 0.00% New 19,480 $169K
RFG Advisory, LLC 0.00% No change 18,987 $165K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +32.2% 18,760 $163K
Stifel Financial Corp. 0.00% Reduce -1.6% 18,540 $161K
Walleye Trading LLC 0.00% Reduce -6.9% 16,000 $139K
Canada Pension Plan Investment Board 0.00% Reduce -51.1% 15,500 $135K
State of Wyoming 0.01% Add +139.2% 15,203 $132K
Pictet Asset Management Holding SA 0.00% No change 15,108 $131K
Harvest Investment Services, LLC 0.02% Reduce -1.9% 15,058 $131K
Simplex Trading, LLC 0.00% Reduce -14.9% 14,847 $129K
KLP Kapitalforvaltning As 0.00% No change 14,600 $127K
Prelude Capital Management, LLC 0.01% Reduce -29.3% 13,719 $119K
Centiva Capital, LP 0.01% New 13,716 $119K
Citigroup Inc. 0.00% Reduce -30.0% 13,624 $118K
ProShare Advisors LLC 0.00% Add +6.9% 13,592 $118K
Cinctive Capital Management LP 0.01% No change 13,522 $118K
LPL Financial LLC 0.00% Reduce -6.4% 13,126 $114K
Fox Run Management, L.L.C. 0.02% New 12,913 $112K
Jefferies Financial Group Inc. 0.00% New 12,800 $111K
Stoneridge Investment Partners LLC 0.08% Add +17.3% 12,503 $109K
Neuberger Berman Group LLC 0.00% New 12,391 $108K
Vident Advisory, LLC 0.00% Add +5.0% 11,694 $102K
Landscape Capital Management, L.L.C. 0.01% No change 11,581 $101K
Public Employees Retirement Association of Colorado 0.00% No change 11,333 $98K
Twinbeech Capital LP 0.01% New 11,100 $96K
Quantbot Technologies LP 0.00% Reduce -91.5% 10,811 $94K
Skaana Management L.P. 0.24% No change 10,600 $92K
Polymer Capital Management (US) LLC 0.01% Reduce -71.9% 10,363 $90K
Entropy Technologies, LP 0.00% Reduce -32.5% 10,283 $89K
AlphaQuest LLC 0.01% Reduce -44.7% 10,274 $89K
Freestone Grove Partners LP 0.00% New 10,022 $87K
New York State Teachers Retirement System 0.00% No change 6,721 $58K
Cwm, LLC 0.00% Reduce -16.9% 6,275 $55K
Ameritas Investment Partners, Inc. 0.00% No change 6,214 $54K
St Germain D J Co. Inc. 0.00% Add +100.0% 5,000 $43K
Tower Research Capital LLC (TRC) 0.00% Reduce -14.3% 4,605 $40K
Kestra Advisory Services, LLC 0.00% New 4,192 $36K
State of Alaska, Department of Revenue 0.00% No change 3,872 $33K
Group One Trading LLC 0.00% Reduce -70.9% 3,549 $31K
GAMMA Investing LLC 0.00% Reduce -6.0% 3,348 $29K
Versant Capital Management, Inc 0.00% Add +1.8% 2,772 $24K
Amalgamated Bank 0.00% Reduce -13.8% 2,337 $20K
Covestor Ltd 0.01% Reduce -76.1% 1,746 $15K
Public Employees Retirement System of Ohio 0.00% Add +0.7% 1,698 $15K
US Bancorp \de 0.00% Reduce -1.7% 1,595 $14K
Signaturefd, LLC 0.00% No change 1,445 $13K
CIBC Private Wealth Group LLC 0.00% New 1,400 $12K
Comerica Bank 0.00% No change 1,234 $11K
Nisa Investment Advisors, LLC 0.00% No change 1,208 $10K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 994 $9K
Smartleaf Asset Management LLC 0.00% Add +0.3% 764 $7K
PNC Financial Services Group, Inc. 0.00% Reduce -40.5% 628 $5K
Sterling Capital Management LLC 0.00% Add +177.8% 500 $4K
Osaic Holdings, Inc. 0.00% Reduce -96.8% 439 $4K
Johnson Financial Group, Inc. 0.00% No change 296 $3K
Harbor Asset Planning, Inc. 0.00% No change 290 $3K
Global Retirement Partners, LLC 0.00% No change 262 $2K
Parallel Advisors, LLC 0.00% No change 228 $2K
Rothschild Investment LLC 0.00% Add +2.4% 210 $2K
EverSource Wealth Advisors, LLC 0.00% Reduce -63.8% 200 $2K
True Wealth Design, LLC 0.00% Reduce -66.5% 194 $2K
Steward Partners Investment Advisory, LLC 0.00% Reduce -21.9% 164 $1K
Jones Financial Companies LLLP 0.00% No change 151 $1K
N.E.W. Advisory Services LLC 0.00% New 110 $956
Private Wealth Management Group, LLC 0.00% Reduce -18.5% 88 $765
Caitong International Asset Management Co., Ltd 0.00% New 85 $739
MAI Capital Management 0.00% New 48 $418
Torren Management, LLC 0.00% — 46 $400
Allworth Financial LP 0.00% Reduce -4.9% 39 $339
Assetmark, Inc. 0.00% No change 34 $295
Essential Partners LLC 0.00% Reduce -66.0% 32 $278
Farther Finance Advisors, LLC 0.00% Add +82.3% 31 $269
SBI Securities Co., Ltd. 0.00% Add +8.3% 13 $113
Larson Financial Group LLC 0.00% New 8 $70
Arax Advisory Partners 0.00% Reduce -99.6% 5 $43
IFP Advisors, Inc 0.00% No change 3 $26
Huntington National Bank 0.00% No change 1 $9

"% of holder's portfolio" is ADTN's weight in each manager's 13F, not the share of Adtran Holdings Inc. the manager owns.