Adtran HoldingsADTN

13F holders, Q2 2026 (June 30)
249holders +21
49new positions
28sold out
7famous investors
$13.89avg. 13F price*

At the end of Q2 2026, 249 institutions reported holding Adtran Holdings Inc. (ADTN) in their 13F filings, up 21 from Q1 2026. 49 opened new positions and 28 sold out. The largest holders were BlackRock, Inc. ($108.9M), Vanguard Portfolio Management LLC ($71.4M) and Vanguard Capital Management LLC ($48.8M). 7 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation'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 Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions49$46.4M
Exits28$42.2M

All 13F filers, Q1 2026 → Q2 2026: 19,284,558 shares bought and 14,521,048 shares sold, net +4,763,510 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 249 holders

BlackRock, Inc. 0.00% Reduce -0.1% 7,836,196 $108.9M
Vanguard Portfolio Management LLC 0.00% Add +7.6% 5,135,649 $71.4M
Vanguard Capital Management LLC 0.00% Add +2.5% 3,510,271 $48.8M
State Street Corp. 0.00% Add +31.1% 3,082,794 $42.9M
Royce & Associates LP 0.33% Reduce -4.9% 2,972,917 $41.3M
UBS Group AG 0.01% Add +1080.3% 2,940,724 $40.9M
Two Sigma Investments, LP 0.03% Add +157.8% 2,896,353 $40.3M
Millennium Management 0.03% Add +43.6% 2,722,820 $37.8M
DNB Asset Management AS 0.10% Reduce -16.1% 2,619,389 $36.4M
JPMorgan Chase & Co. 0.00% Add +72.7% 2,623,057 $36.1M
Geode Capital Management, LLC 0.00% Add +7.6% 1,958,052 $27.2M
Morgan Stanley 0.00% Reduce -2.2% 1,792,752 $24.9M
Renaissance Technologies 0.03% Add +774.2% 1,773,740 $24.7M
Boston Partners 0.02% Add +39.8% 1,651,038 $22.7M
Qube Research & Technologies Ltd 0.02% Add +418.2% 1,398,913 $19.4M
Dimensional Fund Advisors LP 0.00% Add +2.2% 1,366,243 $19.0M
First Eagle Investment Management, LLC 0.03% Reduce -8.8% 1,248,507 $17.4M
William Blair Investment Management, LLC 0.05% Reduce -44.8% 1,099,019 $15.3M
D. E. Shaw & Co. 0.01% Reduce -10.4% 1,091,898 $15.2M
Goldman Sachs Group Inc. 0.00% Add +7.7% 1,045,037 $14.5M
Marshall Wace, LLP 0.01% Add +16.5% 1,038,292 $14.4M
FMR LLC 0.00% Add +64.3% 1,011,195 $14.1M
Assenagon Asset Management S.A. 0.02% Add +100.4% 917,754 $12.8M
Divisar Capital Management LLC 2.73% Reduce -51.9% 851,526 $11.8M
Federated Hermes, Inc. 0.02% Reduce -7.9% 849,967 $11.8M
Bank of America Corp. 0.00% Add +130.2% 845,421 $11.8M
Arrowstreet Capital, Limited Partnership 0.00% Add +72.7% 786,873 $10.9M
Point72 Asset Management 0.02% Add +35.4% 764,780 $10.6M
Heartland Advisors Inc. 0.46% No change 750,000 $10.4M
Northern Trust Corp. 0.00% Add +11.5% 734,960 $10.2M
Charles Schwab Investment Management Inc. 0.00% Add +14.4% 714,068 $9.9M
Nuveen, LLC 0.00% Add +108.9% 700,147 $9.7M
Kovack Advisors, Inc. 0.46% Reduce -5.4% 696,210 $9.5M
AQR Capital Management 0.00% Reduce -20.4% 671,403 $9.3M
Connor, Clark & Lunn Investment Management Ltd. 0.02% Add +12.3% 629,119 $8.7M
Wells Fargo & Company 0.00% Add +65.2% 625,245 $8.7M
Squarepoint Ops LLC 0.02% Reduce -30.5% 617,388 $8.6M
Norges Bank 0.00% — 575,400 $8.0M
1492 Capital Management LLC 2.35% Reduce -8.3% 573,128 $8.0M
Tieton Capital Management, LLC 2.28% Reduce -44.9% 570,542 $7.9M
HRT Financial LP 0.01% Reduce -1.2% 561,192 $7.8M
Tudor Investment Corporation 0.03% Reduce -17.3% 541,455 $7.5M
Vanguard Fiduciary Trust Co. 0.00% Add +3.5% 540,877 $7.5M
Counterpoint Mutual Funds LLC 0.73% Add +1519.3% 529,866 $7.4M
Hennessy Advisors Inc. 0.23% New 526,300 $7.3M
Royal Bank of Canada 0.00% Add +10.2% 504,227 $7.0M
Nomura Holdings Inc. 0.03% Add +8.2% 502,322 $7.0M
Westerly Capital Management, LLC 1.28% Reduce -37.5% 500,000 $7.0M
Barclays PLC 0.00% Reduce -48.4% 479,197 $6.7M
Trexquant Investment LP 0.04% Reduce -31.0% 472,733 $6.6M
Needham Investment Management LLC 0.19% Reduce -63.4% 450,000 $6.3M
Sei Investments Co. 0.00% Reduce -63.5% 403,253 $5.6M
Y-Intercept (Hong Kong) Ltd 0.10% Add +610.8% 370,294 $5.1M
Mackenzie Financial Corp. 0.00% Reduce -4.4% 352,438 $4.9M
Healthcare of Ontario Pension Plan Trust Fund 0.01% New 330,100 $4.6M
Jane Street Group, LLC 0.00% Add +177.7% 281,868 $3.9M
White Pine Capital LLC 0.92% Reduce -22.8% 279,072 $3.9M
Balyasny Asset Management L.P. 0.01% New 275,489 $3.8M
Ameriprise Financial Inc. 0.00% Add +54.8% 266,134 $3.7M
Bank of New York Mellon Corp 0.00% Add +6.3% 255,026 $3.5M
Gratia Capital, LLC 4.00% New 250,492 $3.5M
Acadian Asset Management LLC 0.00% Add +67.2% 247,014 $3.4M
American Century Companies Inc. 0.00% Add +10.5% 238,878 $3.3M
Invesco Ltd. 0.00% Reduce -76.1% 236,765 $3.3M
SG Americas Securities, LLC 0.00% Reduce -82.0% 236,510 $3.3M
Deutsche Bank AG 0.00% Reduce -8.8% 235,833 $3.3M
Janney Montgomery Scott LLC 0.01% New 230,160 $3.2M
Algert Global LLC 0.04% No change 228,160 $3.2M
NFJ Investment Group, LLC 0.10% New 208,413 $2.9M
Walleye Trading LLC 0.04% Add +34.5% 208,278 $2.9M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +6.2% 201,962 $2.8M
HERALD INVESTMENT MANAGEMENT Ltd 0.38% No change 200,000 $2.8M
Engineers Gate Manager LP 0.04% Reduce -9.1% 198,697 $2.8M
Inspire Investing, LLC 0.11% Add +7.3% 195,941 $2.7M
State of Wisconsin Investment Board 0.01% Reduce -22.9% 192,528 $2.7M
Empowered Funds, LLC 0.01% New 184,606 $2.6M
BNP Paribas Financial Markets 0.00% Add +5.9% 180,890 $2.5M
XTX Topco Ltd 0.03% Add +98.8% 178,573 $2.5M
Lazard Asset Management LLC 0.00% New 176,625 $2.5M
Raymond James Financial Inc. 0.00% Reduce -23.8% 146,245 $2.0M
Swiss National Bank 0.00% Add +2.2% 145,700 $2.0M
Susquehanna International Group, LLP 0.00% Add +22.9% 140,133 $1.9M
T. Rowe Price Associates Inc. 0.00% Add +13.0% 138,630 $1.9M
Globeflex Capital L P 0.24% Add +0.1% 132,526 $1.8M
Lido Advisors, LLC 0.01% Add +0.0% 129,355 $1.8M
Bienville Capital Management, LLC 0.26% New 127,247 $1.8M
Brevan Howard Capital Management LP 0.03% Reduce -13.3% 124,994 $1.7M
Titan Global Capital Management USA LLC 0.22% New 123,465 $1.7M
Lisanti Capital Growth, LLC 0.35% Reduce -65.7% 115,625 $1.6M
Occudo Quantitative Strategies LP 0.09% Add +14.2% 115,286 $1.6M
Tidal Investments LLC 0.00% Add +60.0% 115,014 $1.6M
Massachusetts Financial Services Co. 0.00% Add +62.2% 109,674 $1.5M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -13.1% 106,853 $1.5M
Rhumbline Advisers 0.00% Add +10.3% 103,040 $1.4M
Man Group plc 0.00% Add +89.7% 102,762 $1.4M
Polymer Capital Management (US) LLC 0.21% New 101,366 $1.4M
Creative Planning 0.00% Add +12.8% 97,558 $1.4M
Burney Co./ 0.04% New 93,597 $1.3M
Integrated Quantitative Investments LLC 0.21% Add +142.3% 92,997 $1.3M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.00% New 90,000 $1.3M
Simplex Trading, LLC 0.03% Reduce -12.6% 85,325 $1.2M
Koesten, Hirschmann & Crabtree, INC. 0.49% No change 84,854 $1.2M
California State Teachers Retirement System 0.00% Add +15.3% 83,036 $1.2M
Skandinaviska Enskilda Banken AB (publ) 0.04% Reduce -65.9% 80,190 $1.1M
Victory Capital Management Inc. 0.00% Reduce -36.3% 78,750 $1.1M
Russell Investments Group, Ltd. 0.00% Add +201.7% 78,229 $1.1M
Legal & General Group Plc 0.00% Reduce -25.1% 75,243 $1.0M
Susquehanna Advisors Group, Inc. 0.04% Reduce -9.6% 73,870 $1.0M
Headlands Technologies LLC 0.11% Add +254.6% 72,358 $1.0M
Diametric Capital, LP 0.11% New 71,342 $992K
Kerrisdale Advisers, LLC 0.25% Reduce -87.2% 70,519 $980K
Polen Capital Management LLC 0.01% Reduce -7.1% 70,292 $977K
Knights of Columbus Asset Advisors LLC 0.05% New 68,284 $949K
Caxton Associates LLP 0.02% Add +174.2% 67,169 $934K
Dynamic Technology Lab Private Ltd 0.20% New 64,278 $893K
Legato Capital Management LLC 0.07% Reduce -49.2% 62,580 $870K
Alliancebernstein L.P. 0.00% Reduce -59.9% 67,427 $848K
Voya Investment Management LLC 0.00% Add +4.2% 59,075 $821K
Jacobs Levy Equity Management, Inc. 0.00% Reduce -87.4% 58,066 $807K
Quantinno Capital Management LP 0.00% Add +8.9% 57,125 $794K
PDT Partners, LLC 0.04% No change 53,641 $746K
Citigroup Inc. 0.00% Add +172.3% 50,176 $697K
Gsa Capital Partners LLP 0.04% Reduce -15.5% 49,752 $692K
VANGUARD ASSET MANAGEMENT, Ltd 0.00% No change 46,550 $647K
Quantbot Technologies LP 0.03% Reduce -19.0% 46,025 $640K
MetLife Investment Management, LLC 0.00% Add +10.2% 45,016 $626K
Granahan Investment Management, LLC 0.02% Add +45.4% 44,758 $622K
OP Asset Management Ltd 0.01% Reduce -63.5% 42,106 $585K
Schonfeld Strategic Advisors LLC 0.00% Reduce -36.8% 41,818 $581K
Vanguard Global Advisers, LLC 0.00% Reduce -42.5% 36,223 $504K
State of Wyoming 0.05% New 36,213 $503K
Quadrant Capital Group LLC 0.01% No change 35,710 $496K
Optimist Retirement Group LLC 0.19% New 35,601 $495K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +1.6% 35,417 $492K
Campbell & CO Investment Adviser LLC 0.02% Reduce -12.1% 33,687 $468K
Virtus Advisers, LLC 0.18% Add +5.0% 33,159 $461K
HSBC Holdings PLC 0.00% Reduce -65.9% 33,230 $460K
Jupiter Topco LLC 0.00% — 32,900 $457K
Numerai GP LLC 0.04% Reduce -48.5% 31,632 $440K
Edgestream Partners, L.P. 0.01% New 31,136 $433K
EntryPoint Capital, LLC 0.10% Reduce -43.4% 30,252 $421K
Worth Venture Partners, LLC 2.08% Reduce -38.5% 30,081 $418K
Panagora Asset Management Inc. 0.00% Reduce -0.2% 29,817 $414K
Caitong International Asset Management Co., Ltd 0.06% Add +424542.9% 29,725 $413K
Citadel Advisors 0.00% Reduce -92.5% 29,619 $412K
Waverly Advisors, LLC 0.00% Reduce -4.7% 28,472 $396K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% Reduce -65.3% 28,100 $391K
Harvest Investment Services, LLC 0.06% Add +84.0% 27,570 $383K
Teza Capital Management LLC 0.73% New 27,209 $378K
Mercer Global Advisors Inc. 0.00% Add +4.8% 26,791 $372K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -51.8% 25,430 $353K
Magnetar Financial LLC 0.00% New 25,297 $352K
ExodusPoint Capital Management, LP 0.00% Reduce -90.3% 25,241 $351K
Mariner, LLC 0.00% Reduce -25.1% 24,359 $339K
Police & Firemen's Retirement System of New Jersey 0.00% Add +15.3% 24,220 $337K
IMC-Chicago, LLC 0.00% Add +94.2% 24,131 $335K
Franklin Resources Inc. 0.00% Reduce -54.2% 23,826 $331K
State of New Jersey Common Pension Fund D 0.00% New 23,484 $326K
Entropy Technologies, LP 0.01% Add +46.9% 23,203 $323K
LPL Financial LLC 0.00% Add +80.7% 22,987 $320K
Advisory Services Network, LLC 0.00% New 22,326 $310K
State Board of Administration of Florida Retirement System 0.00% No change 22,299 $310K
New York State Common Retirement Fund 0.00% No change 21,858 $304K
Dark Forest Capital Management LP 0.02% New 21,180 $294K
Manufacturers Life Insurance Company, The 0.00% Add +1.4% 20,468 $285K
Susquehanna Fundamental Investments, LLC 0.01% No change 20,443 $284K
Arizona State Retirement System 0.00% Add +1.2% 20,040 $279K
Corient Private Wealth LP 0.00% New 19,969 $278K
Intech Investment Management LLC 0.00% Add +10.7% 19,236 $267K
Hillsdale Investment Management Inc. 0.01% Reduce -16.8% 19,050 $265K
Alpine Global Management, LLC 0.04% New 18,854 $262K
Wealth Enhancement Advisory Services, LLC 0.00% Add +33.8% 19,025 $256K
Los Angeles Capital Management LLC 0.00% Add +4748.7% 18,134 $252K
Cerity Partners LLC 0.00% Reduce -10.1% 17,786 $247K
Vanguard Investments Australia, Ltd. 0.00% No change 17,171 $239K
Stifel Financial Corp. 0.00% Add +0.6% 17,149 $238K
BRC Group Holdings, Inc. 0.05% New 17,063 $237K
BTG Pactual Asset Management US LLC 0.02% New 16,818 $234K
KLP Kapitalforvaltning As 0.00% No change 16,700 $232K
Mitsubishi UFJ Trust & Banking Corp 0.00% New 16,471 $229K
Bayforest Capital Ltd 0.20% New 15,181 $211K
Focused Alpha, LLC 0.05% New 14,657 $204K
Mirabella Financial Services LLP 0.02% New 14,618 $203K
Ieq Capital, LLC 0.00% Reduce -57.6% 14,571 $203K
Amundi 0.00% New 13,530 $188K
Prudential Financial Inc. 0.00% Add +10.3% 12,793 $178K
Prelude Capital Management, LLC 0.01% Reduce -20.9% 12,218 $170K
VARCOV Co. 0.06% New 12,176 $169K
GTS Securities LLC 0.00% New 11,647 $162K
Pictet Asset Management Holding SA 0.00% Reduce -23.5% 11,562 $161K
Vident Advisory, LLC 0.00% Reduce -3.8% 11,376 $158K
Public Employees Retirement Association of Colorado 0.00% No change 11,333 $158K
nVerses Capital, LLC 0.23% Reduce -75.6% 10,952 $152K
L2 Asset Management, LLC 0.01% New 10,244 $142K
ProShare Advisors LLC 0.00% Reduce -6.6% 10,070 $140K
Potomac Capital Management, Inc. 0.10% Reduce -87.0% 10,000 $139K
Pacer Advisors, Inc. 0.00% New 8,951 $124K
Ameritas Investment Partners, Inc. 0.00% Add +12.3% 6,980 $97K
St Germain D J Co. Inc. 0.00% No change 5,000 $70K
State of Alaska, Department of Revenue 0.00% No change 3,872 $53K
GAMMA Investing LLC 0.00% Add +2.7% 3,457 $48K
Parkside Financial Bank & Trust 0.00% Add +51.7% 3,238 $45K
Versant Capital Management, Inc 0.00% No change 2,631 $37K
Tower Research Capital LLC (TRC) 0.00% Reduce -67.7% 2,617 $36K
Persistent Asset Partners Ltd 0.01% New 2,035 $28K
Osaic Holdings, Inc. 0.00% Add +328.0% 1,879 $26K
Allworth Financial LP 0.00% Add +10.8% 1,725 $24K
US Bancorp \de 0.00% Reduce -0.5% 1,599 $22K
Covestor Ltd 0.01% Reduce -2.2% 1,572 $22K
Arax Advisory Partners 0.00% Add +530.2% 1,544 $21K
Signaturefd, LLC 0.00% No change 1,445 $20K
Fifth Third Bancorp 0.00% Add +3.3% 1,331 $18K
Nisa Investment Advisors, LLC 0.00% No change 1,262 $18K
Rothschild Investment LLC 0.00% Add +1.3% 793 $11K
PNC Financial Services Group, Inc. 0.00% Add +4.3% 652 $9K
EverSource Wealth Advisors, LLC 0.00% Add +29.6% 604 $8K
Jones Financial Companies LLLP 0.00% Add +96.8% 551 $7K
Parallel Advisors, LLC 0.00% Add +105.7% 469 $7K
Smartleaf Asset Management LLC 0.00% No change 441 $6K
Essential Partners LLC 0.00% Add +159.3% 402 $6K
Optiver Holding B.V. 0.00% New 393 $5K
Farther Finance Advisors, LLC 0.00% Add +4.2% 322 $4K
IFP Advisors, Inc 0.00% Add +49.3% 300 $4K
Johnson Financial Group, Inc. 0.00% No change 296 $4K
Sterling Capital Management LLC 0.00% Reduce -44.1% 270 $4K
SJS Investment Consulting Inc. 0.00% Add +426.5% 258 $4K
Basecamp Wealth Advisors LLC 0.00% No change 253 $4K
True Wealth Design, LLC 0.00% No change 194 $3K
Clearstead Advisors, LLC 0.00% New 152 $2K
Barrow Hanley Mewhinney & Strauss LLC 0.00% New 131 $2K
Pinnacle Wealth Planning Services, Inc. 0.00% New 127 $2K
Assetmark, Inc. 0.00% No change 121 $2K
NFSG Corp 0.00% New 100 $1K
N.E.W. Advisory Services LLC 0.00% No change 100 $1K
Keating Financial Advisory Services, Inc. 0.00% No change 88 $1K
Private Wealth Management Group, LLC 0.00% Reduce -5.7% 83 $1K
Hollencrest Capital Management 0.00% New 61 $848
SBI Securities Co., Ltd. 0.00% Add +126.1% 52 $723
C M Bidwell & Associates Ltd. 0.00% New 50 $695
Torren Management, LLC 0.00% No change 46 $639
Quarry LP 0.00% Reduce -66.4% 41 $570
Bruce G. Allen Investments, LLC 0.00% Add +57.1% 33 $459
Physician Wealth Advisors, Inc. 0.00% New 29 $404
JPL Wealth Management, LLC 0.00% No change 19 $265
Silver Grove Financial Group, Inc. 0.00% New 14 $195
National Bank of Canada 0.00% New 8 $111
Larson Financial Group LLC 0.00% No change 8 $111
Huntington National Bank 0.00% No change 1 $14
Kilter Group LLC 0.00% New 1 $14

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