Adtran HoldingsADTN

13F holders, Q3 2025 (September 30)
221holders +28
46new positions
17sold out
7famous investors
$9.76avg. 13F price*

At the end of Q3 2025, 221 institutions reported holding Adtran Holdings Inc. (ADTN) in their 13F filings, up 28 from Q2 2025. 46 opened new positions and 17 sold out. The largest holders were Vanguard Group Inc. ($78.6M), BlackRock, Inc. ($77.6M) and Divisar Capital Management LLC ($30.1M). 7 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management'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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions46$73.4M
Exits17$14.4M

All 13F filers, Q2 2025 → Q3 2025: 13,737,095 shares bought and 5,496,384 shares sold, net +8,240,711 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 221 holders

Vanguard Group Inc. 0.00% Add +2.7% 8,383,305 $78.6M
BlackRock, Inc. 0.00% Add +2.7% 8,273,324 $77.6M
Divisar Capital Management LLC 8.20% Reduce -24.0% 3,213,090 $30.1M
DNB Asset Management AS 0.10% Add +6.4% 2,903,869 $27.2M
Focus Partners Wealth 0.04% New 109,183 $26.5M
William Blair Investment Management, LLC 0.07% Reduce -5.7% 2,736,430 $25.7M
Royce & Associates LP 0.23% Add +14.7% 2,410,775 $22.6M
State Street Corp. 0.00% Add +2.4% 1,899,508 $17.8M
Geode Capital Management, LLC 0.00% Add +1.2% 1,770,186 $16.6M
Citadel Advisors 0.01% Add +200.9% 1,218,868 $11.4M
First Eagle Investment Management, LLC 0.02% Add +6.7% 1,209,207 $11.3M
Ophir Asset Management Pty Ltd 1.40% New 1,204,749 $11.3M
Needham Investment Management LLC 0.77% Add +4.9% 1,175,000 $11.0M
Alyeska Investment Group, L.P. 0.03% New 1,084,029 $10.2M
Tieton Capital Management, LLC 3.22% Add +3.9% 989,124 $9.3M
Assenagon Asset Management S.A. 0.01% Add +691.6% 932,680 $8.7M
Westerly Capital Management, LLC 2.74% Reduce -5.6% 920,220 $8.6M
Tudor Investment Corporation 0.06% Add +434.3% 897,115 $8.4M
JPMorgan Chase & Co. 0.00% Add +78.2% 813,363 $7.6M
Barclays PLC 0.00% Add +35.6% 806,339 $7.6M
Morgan Stanley 0.00% Reduce -15.9% 793,537 $7.4M
Schonfeld Strategic Advisors LLC 0.05% Add +5809.7% 786,823 $7.4M
Federated Hermes, Inc. 0.01% Add +0.7% 772,854 $7.2M
Kovack Advisors, Inc. 0.63% Reduce -0.9% 707,900 $6.6M
Charles Schwab Investment Management Inc. 0.00% Add +0.9% 688,439 $6.5M
Squarepoint Ops LLC 0.01% Add +8.1% 682,059 $6.4M
Trexquant Investment LP 0.07% Add +134.9% 681,089 $6.4M
Northern Trust Corp. 0.00% Reduce -0.5% 673,868 $6.3M
Goldman Sachs Group Inc. 0.00% Add +25.8% 644,237 $6.0M
HRT Financial LP 0.02% Add +172.9% 620,865 $5.8M
Cubist Systematic Strategies, LLC 0.08% Add +109.8% 585,145 $5.5M
Granahan Investment Management, LLC 0.22% Add +190.8% 582,490 $5.5M
1492 Capital Management LLC 2.19% Add +21.5% 574,588 $5.4M
Millennium Management 0.00% Add +177.1% 571,956 $5.4M
Hillsdale Investment Management Inc. 0.15% Reduce -4.0% 512,920 $4.8M
Susquehanna International Group, LLP 0.01% Add +256.8% 444,272 $4.2M
Jane Street Group, LLC 0.00% New 441,435 $4.1M
Dimensional Fund Advisors LP 0.00% Reduce -2.0% 431,037 $4.0M
Bank of America Corp. 0.00% Reduce -33.4% 430,262 $4.0M
Man Group plc 0.01% Add +9.5% 430,091 $4.0M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Add +33.4% 370,613 $3.5M
Marshall Wace, LLP 0.00% Reduce -56.1% 358,052 $3.4M
Nierenberg Investment Management Company, LLC 1.78% No change 343,110 $3.2M
D. E. Shaw & Co. 0.00% New 324,869 $3.0M
UBS Group AG 0.00% Add +8.0% 316,768 $3.0M
Alliancebernstein L.P. 0.00% Reduce -11.2% 296,285 $2.8M
Qube Research & Technologies Ltd 0.00% Reduce -58.6% 284,355 $2.7M
Balyasny Asset Management L.P. 0.01% New 277,953 $2.6M
Renaissance Technologies 0.00% Reduce -59.4% 271,634 $2.5M
Mackenzie Financial Corp. 0.00% Add +17.9% 270,150 $2.5M
BNP Paribas Financial Markets 0.00% Add +286.3% 261,505 $2.5M
Invesco Ltd. 0.00% Reduce -7.9% 260,664 $2.4M
Wolverine Asset Management LLC 0.17% New 260,400 $2.4M
State of Wisconsin Investment Board 0.01% Add +8.8% 251,558 $2.4M
Raymond James Financial Inc. 0.00% Add +0.4% 239,657 $2.2M
American Century Companies Inc. 0.00% Add +6.1% 237,623 $2.2M
Bank of New York Mellon Corp 0.00% Add +7.5% 232,698 $2.2M
Ameriprise Financial Inc. 0.00% Reduce -11.9% 231,677 $2.2M
White Pine Capital LLC 0.62% Add +0.0% 230,464 $2.2M
Algert Global LLC 0.04% Add +44.7% 228,160 $2.1M
SG Americas Securities, LLC 0.01% Reduce -14.8% 201,986 $1.9M
HERALD INVESTMENT MANAGEMENT Ltd 0.25% No change 200,000 $1.9M
Jump Financial, LLC 0.02% Add +17.4% 192,400 $1.8M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +3.7% 185,746 $1.7M
Nuveen, LLC 0.00% No change 185,301 $1.7M
Paradigm Capital Management Inc. 0.07% Add +50.0% 180,000 $1.7M
Atom Investors LP 0.13% New 178,209 $1.7M
AQR Capital Management 0.00% Reduce -27.8% 176,406 $1.7M
Moore Capital Management, LP 0.03% New 174,330 $1.6M
Hussman Strategic Advisors, Inc. 0.30% New 147,000 $1.4M
Worth Venture Partners, LLC 6.51% Add +296.1% 144,431 $1.4M
Manatuck Hill Partners, LLC 0.45% Reduce -37.5% 142,539 $1.3M
Swiss National Bank 0.00% Add +1.7% 139,700 $1.3M
Quantbot Technologies LP 0.03% Add +520.7% 126,490 $1.2M
Point72 Asset Management 0.00% Add +175.4% 120,701 $1.1M
Victory Capital Management Inc. 0.00% Add +17.4% 118,400 $1.1M
Skandinaviska Enskilda Banken AB (publ) 0.00% Reduce -0.9% 117,594 $1.1M
Dynamic Technology Lab Private Ltd 0.18% Add +106.7% 116,368 $1.1M
Rhumbline Advisers 0.00% Reduce -2.5% 113,754 $1.1M
Legal & General Group Plc 0.00% Reduce -0.1% 113,371 $1.1M
Boothbay Fund Management, LLC 0.03% Add +32.8% 109,560 $1.0M
Globeflex Capital L P 0.15% New 106,755 $1.0M
Two Sigma Investments, LP 0.00% Add +33.6% 106,692 $1.0M
Verition Fund Management LLC 0.01% Reduce -3.6% 105,943 $994K
T. Rowe Price Associates Inc. 0.00% Add +2.1% 105,428 $989K
ExodusPoint Capital Management, LP 0.01% New 100,431 $942K
Lido Advisors, LLC 0.00% Add +0.1% 90,778 $852K
Deutsche Bank AG 0.00% Add +49.4% 87,057 $817K
Susquehanna Advisors Group, Inc. 0.03% Reduce -10.4% 82,552 $774K
Los Angeles Capital Management LLC 0.00% Add +72.0% 80,187 $752K
Susquehanna Portfolio Strategies, LLC 0.01% Reduce -1.8% 79,796 $748K
Franklin Resources Inc. 0.00% Add +52.8% 78,429 $736K
Summit Partners Public Asset Management, LLC 0.02% New 75,000 $704K
Massachusetts Financial Services Co. 0.00% Add +7.0% 71,729 $673K
Teacher Retirement System of Texas 0.00% Reduce -28.7% 71,114 $667K
Koesten, Hirschmann & Crabtree, INC. 0.32% No change 70,448 $661K
Gsa Capital Partners LLP 0.05% Add +233.9% 68,194 $640K
Susquehanna Fundamental Investments, LLC 0.03% Reduce -47.2% 68,120 $639K
STRS Ohio 0.00% No change 67,900 $637K
Creative Planning 0.00% Add +4.4% 66,573 $624K
Occudo Quantitative Strategies LP 0.07% Add +3.2% 65,702 $616K
Tidal Investments LLC 0.00% New 63,655 $597K
HSBC Holdings PLC 0.00% Reduce -10.2% 60,460 $571K
XTX Topco Ltd 0.03% Add +142.2% 59,657 $560K
California State Teachers Retirement System 0.00% Reduce -17.8% 58,464 $548K
Graham Capital Management, L.P. 0.03% Add +1.6% 56,485 $530K
Russell Investments Group, Ltd. 0.00% Reduce -37.8% 54,960 $516K
EntryPoint Capital, LLC 0.20% New 54,945 $515K
Wells Fargo & Company 0.00% Add +17.1% 50,262 $471K
Prudential Financial Inc. 0.00% New 49,366 $463K
Inspire Investing, LLC 0.04% Add +10.1% 48,183 $452K
Brevan Howard Capital Management LP 0.01% Reduce -15.9% 47,037 $441K
Two Sigma Advisers, LP 0.00% Add +80.9% 45,400 $426K
Quantinno Capital Management LP 0.00% Add +32.8% 43,335 $406K
Sender Co & Partners, Inc. 0.16% New 43,184 $405K
MetLife Investment Management, LLC 0.00% Reduce -6.5% 42,839 $402K
Voya Investment Management LLC 0.00% Reduce -19.3% 42,194 $396K
Cetera Investment Advisers 0.00% New 40,599 $381K
Jain Global LLC 0.01% New 39,632 $372K
Counterpoint Mutual Funds LLC 0.03% Add +1.9% 39,556 $371K
Polymer Capital Management (US) LLC 0.05% Add +50.1% 36,840 $346K
Quadrant Capital Group LLC 0.01% No change 36,568 $343K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -16.0% 34,238 $321K
Engineers Gate Manager LP 0.00% Reduce -11.3% 33,950 $318K
Janus Henderson Group PLC 0.00% No change 32,900 $308K
Integrated Quantitative Investments LLC 0.09% No change 32,311 $303K
Canada Pension Plan Investment Board 0.00% New 31,700 $297K
Waverly Advisors, LLC 0.00% Add +0.3% 31,693 $297K
Virtus Advisers, LLC 0.17% New 31,571 $296K
Intech Investment Management LLC 0.00% Reduce -28.5% 29,387 $276K
Weiss Asset Management LP 0.00% New 25,709 $241K
Inceptionr LLC 0.06% New 25,383 $238K
Bridgefront Capital, LLC 0.07% New 25,239 $237K
Manufacturers Life Insurance Company, The 0.00% Reduce -7.3% 25,128 $236K
Y-Intercept (Hong Kong) Ltd 0.01% Reduce -91.4% 24,701 $232K
PharVision Advisers, LLC 0.12% New 23,600 $221K
State Board of Administration of Florida Retirement System 0.00% No change 22,299 $209K
New York State Common Retirement Fund 0.00% No change 21,858 $205K
Arizona State Retirement System 0.00% Add +1.5% 21,314 $200K
Police & Firemen's Retirement System of New Jersey 0.00% Add +7.6% 21,011 $197K
Citigroup Inc. 0.00% Reduce -52.3% 19,467 $183K
Prelude Capital Management, LLC 0.01% New 19,400 $182K
RFG Advisory, LLC 0.00% Reduce -34.5% 18,987 $178K
Stifel Financial Corp. 0.00% Reduce -57.5% 18,833 $177K
Voloridge Investment Management, LLC 0.00% Add +18.8% 18,618 $175K
AlphaQuest LLC 0.01% Add +2.3% 18,590 $174K
Caxton Associates LLP 0.00% Reduce -69.9% 18,310 $172K
OMERS ADMINISTRATION Corp 0.00% New 18,100 $170K
Campbell & CO Investment Adviser LLC 0.01% New 18,049 $169K
FMR LLC 0.00% Add +375.0% 17,879 $168K
Virtu Financial LLC 0.01% New 17,518 $164K
Simplex Trading, LLC 0.00% Add +543.8% 17,440 $163K
Walleye Trading LLC 0.00% Add +7.4% 17,191 $161K
Versor Investments LP 0.03% Reduce -66.4% 15,700 $147K
Panagora Asset Management Inc. 0.00% New 15,356 $144K
Harvest Investment Services, LLC 0.03% Reduce -8.3% 15,347 $144K
Entropy Technologies, LP 0.01% New 15,240 $143K
Pictet Asset Management Holding SA 0.00% No change 15,108 $142K
KLP Kapitalforvaltning As 0.00% No change 14,600 $137K
Point72 Asia (Singapore) Pte. Ltd. 0.02% Add +398.6% 14,391 $135K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 14,186 $133K
Numerai GP LLC 0.02% New 14,089 $132K
LPL Financial LLC 0.00% Reduce -66.8% 14,026 $132K
Osaic Holdings, Inc. 0.00% Reduce -4.4% 13,682 $128K
Cinctive Capital Management LP 0.01% No change 13,522 $127K
ProShare Advisors LLC 0.00% Reduce -16.6% 12,718 $119K
Group One Trading LLC 0.00% Add +151.9% 12,209 $115K
Financial Engines Advisors L.L.C. 0.00% No change 12,200 $114K
Landscape Capital Management, L.L.C. 0.01% Reduce -8.0% 11,581 $109K
Public Employees Retirement Association of Colorado 0.00% No change 11,333 $106K
Vident Advisory, LLC 0.00% Reduce -23.3% 11,133 $104K
Stoneridge Investment Partners LLC 0.07% New 10,660 $100K
Skaana Management L.P. 0.19% New 10,600 $99K
Cerity Partners LLC 0.00% New 10,495 $98K
Royal Bank of Canada 0.00% Add +28.7% 8,605 $81K
Cwm, LLC 0.00% Add +6.8% 7,549 $71K
Covestor Ltd 0.04% Add +7.8% 7,296 $68K
FNY Investment Advisers, LLC 0.02% New 6,826 $64K
New York State Teachers Retirement System 0.00% Reduce -6.5% 6,721 $63K
State of Wyoming 0.01% Reduce -84.8% 6,356 $60K
Ameritas Investment Partners, Inc. 0.00% Reduce -19.9% 6,214 $58K
Tower Research Capital LLC (TRC) 0.00% Reduce -83.9% 5,372 $50K
Quarry LP 0.01% New 3,847 $36K
State of Alaska, Department of Revenue 0.00% New 3,872 $36K
GAMMA Investing LLC 0.00% Reduce -0.6% 3,562 $33K
Versant Capital Management, Inc 0.00% No change 2,723 $26K
Amalgamated Bank 0.00% No change 2,710 $25K
St Germain D J Co. Inc. 0.00% No change 2,500 $23K
UMB Bank, n.a. 0.00% No change 2,200 $21K
Public Employees Retirement System of Ohio 0.00% Reduce -13.3% 1,686 $16K
US Bancorp \de 0.00% No change 1,622 $15K
Point72 Europe (London) LLP 0.00% New 1,607 $15K
Signaturefd, LLC 0.00% No change 1,445 $14K
Arax Advisory Partners 0.00% New 1,332 $12K
Comerica Bank 0.00% Add +7.0% 1,234 $12K
Nisa Investment Advisors, LLC 0.00% No change 1,208 $11K
PNC Financial Services Group, Inc. 0.00% Reduce -8.3% 1,055 $10K
Smartleaf Asset Management LLC 0.00% Add +109.3% 762 $7K
Optiver Holding B.V. 0.00% New 662 $6K
True Wealth Design, LLC 0.00% No change 580 $5K
EverSource Wealth Advisors, LLC 0.00% Add +8.9% 552 $5K
Advisors Asset Management, Inc. 0.00% Reduce -21.3% 496 $5K
Johnson Financial Group, Inc. 0.00% New 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
Steward Partners Investment Advisory, LLC 0.00% Reduce -77.8% 210 $2K
Rothschild Investment LLC 0.00% Reduce -21.1% 205 $2K
Sterling Capital Management LLC 0.00% No change 180 $2K
Jones Financial Companies LLLP 0.00% No change 151 $1K
Private Wealth Management Group, LLC 0.00% No change 108 $1K
Essential Partners LLC 0.00% Add +248.2% 94 $882
Rockefeller Capital Management L.P. 0.00% New 62 $582
Blue Trust, Inc. 0.00% New 60 $563
Allworth Financial LP 0.00% New 41 $385
Assetmark, Inc. 0.00% No change 34 $319
Clearstead Advisors, LLC 0.00% Add +2900.0% 30 $282
Farther Finance Advisors, LLC 0.00% New 17 $159
SBI Securities Co., Ltd. 0.00% No change 12 $113
IFP Advisors, Inc 0.00% Add +0.0% 3 $28
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.