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ADTRAN Holdings, Inc.

ADTN
Exchange
Nasdaq
Industry
Telephone & Telegraph Apparatus
SEC CIK
0000926282

In the last 90 days, ADTRAN Holdings, Inc. insiders filed 1 open-market purchase and 0 sales; 249 institutions reported holding it in 13F filings for Q2 2026, worth $1.20B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in ADTRAN Holdings, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
249
+23 vs. Q1 2026
Shares held
86.1M
+7.24M (+9.2%) vs. Q1 2026
Total value
$1.20B
+$204.5M (+20.6%) vs. Q1 2026
New holders
51
95 more added
Sold out
28
74 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ADTN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 249 institutions
Q1 2021: 136 institutionsQ2 2021: 155 institutionsQ3 2021: 175 institutionsQ4 2021: 183 institutionsQ1 2022: 187 institutionsQ2 2022: 163 institutionsQ3 2022: 187 institutionsQ4 2022: 180 institutionsQ1 2023: 174 institutionsQ2 2023: 165 institutionsQ3 2023: 165 institutionsQ4 2023: 169 institutionsQ1 2024: 169 institutionsQ2 2024: 158 institutionsQ3 2024: 153 institutionsQ4 2024: 158 institutionsQ1 2025: 205 institutionsQ2 2025: 194 institutionsQ3 2025: 221 institutionsQ4 2025: 213 institutionsQ1 2026: 228 institutionsQ2 2026: 249 institutions
Value heldQ2 2026: $1.20B
Q1 2021: $741.6MQ2 2021: $924.0MQ3 2021: $836.8MQ4 2021: $1.06BQ1 2022: $897.3MQ2 2022: $846.3MQ3 2022: $1.21BQ4 2022: $1.20BQ1 2023: $1.01BQ2 2023: $678.9MQ3 2023: $523.1MQ4 2023: $474.5MQ1 2024: $362.8MQ2 2024: $316.2MQ3 2024: $350.4MQ4 2024: $513.1MQ1 2025: $512.7MQ2 2025: $533.8MQ3 2025: $666.3MQ4 2025: $612.2MQ1 2026: $992.8MQ2 2026: $1.20B
Institutions holding ADTN and their total value by quarter
QuarterHoldersValue
Q2 2026249$1.20B
Q1 2026228$992.8M
Q4 2025213$612.2M
Q3 2025221$666.3M
Q2 2025194$533.8M
Q1 2025205$512.7M
Q4 2024158$513.1M
Q3 2024153$350.4M
Q2 2024158$316.2M
Q1 2024169$362.8M
Q4 2023169$474.5M
Q3 2023165$523.1M
Q2 2023165$678.9M
Q1 2023174$1.01B
Q4 2022180$1.20B
Q3 2022187$1.21B
Q2 2022163$846.3M
Q1 2022187$897.3M
Q4 2021183$1.06B
Q3 2021175$836.8M
Q2 2021155$924.0M
Q1 2021136$741.6M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding ADTRAN Holdings, Inc.; share changes are against Q1 2026.

Institutions holding ADTN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.7,836,196$108.9M0.00%−4,058−0.1%Reduced
Vanguard Portfolio Management LLC5,135,649$71.4M0.00%+364,197+7.6%Added
Vanguard Capital Management LLC3,510,271$48.8M0.00%+84,041+2.5%Added
State Street Corp3,082,794$42.9M0.00%+732,057+31.1%Added
Royce & Associates LP2,972,917$41.3M0.33%−154,486−4.9%Reduced
UBS Group AG2,940,724$40.9M0.01%+2,691,567+1,080.3%Added
Two Sigma Investments, LP2,896,353$40.3M0.03%+1,772,829+157.8%Added
Millennium Management LLC2,722,820$37.8M0.03%+826,409+43.6%Added
DnB Asset Management AS2,619,389$36.4M0.10%−504,290−16.1%Reduced
JPMorgan Chase & Co2,623,057$36.1M0.00%+1,104,360+72.7%Added
First Eagle Investment Management, LLC2,497,014$34.7M0.03%+1,128,307+82.4%Added
Geode Capital Management, LLC1,958,052$27.2M0.00%+138,929+7.6%Added
Assenagon Asset Management S.A.1,835,508$25.5M0.02%+1,377,556+300.8%Added
Morgan Stanley1,792,752$24.9M0.00%−40,120−2.2%Reduced
Renaissance Technologies LLC1,773,740$24.7M0.03%+1,570,841+774.2%Added
Boston Partners1,651,038$22.7M0.02%+469,724+39.8%Added
Qube Research & Technologies Ltd1,398,913$19.4M0.02%+1,128,968+418.2%Added
Dimensional Fund Advisors LP1,366,243$19.0M0.00%+29,215+2.2%Added
William Blair Investment Management, LLC1,099,019$15.3M0.05%−890,511−44.8%Reduced
D. E. Shaw & Co., Inc.1,091,898$15.2M0.01%−127,071−10.4%Reduced
Goldman Sachs Group Inc1,045,037$14.5M0.00%+74,330+7.7%Added
Marshall Wace, LLP1,038,292$14.4M0.01%+146,772+16.5%Added
FMR LLC1,011,195$14.1M0.00%+395,759+64.3%Added
Divisar Capital Management LLC851,526$11.8M2.73%−917,913−51.9%Reduced
Federated Hermes, Inc.849,967$11.8M0.02%−72,649−7.9%Reduced
Bank of America Corp845,421$11.8M0.00%+478,195+130.2%Added
Arrowstreet Capital, Limited Partnership786,873$10.9M0.00%+331,226+72.7%Added
Point72 Asset Management, L.P.764,780$10.6M0.02%+200,000+35.4%Added
Heartland Advisors Inc750,000$10.4M0.46%00.0%Unchanged
Northern Trust Corp734,960$10.2M0.00%+75,712+11.5%Added
Charles Schwab Investment Management Inc714,068$9.93M0.00%+89,956+14.4%Added
Nuveen, LLC700,147$9.73M0.00%+364,958+108.9%Added
Kovack Advisors, Inc.696,210$9.50M0.46%−39,790−5.4%Reduced
AQR Capital Management LLC671,403$9.33M0.00%−172,521−20.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.629,119$8.74M0.02%+68,771+12.3%Added
Wells Fargo & Company625,245$8.69M0.00%+246,673+65.2%Added
Squarepoint Ops LLC617,388$8.58M0.02%−270,574−30.5%Reduced
Norges Bank575,400$8.00M0.00%+575,400New
1492 Capital Management LLC573,128$7.97M2.35%−51,896−8.3%Reduced
Tieton Capital Management, LLC570,542$7.93M2.28%−464,625−44.9%Reduced
HRT Financial LP561,192$7.80M0.01%−6,934−1.2%Reduced
Tudor Investment Corp Et Al541,455$7.53M0.03%−113,488−17.3%Reduced
Vanguard Fiduciary Trust Co540,877$7.52M0.00%+18,347+3.5%Added
Counterpoint Mutual Funds LLC529,866$7.37M0.73%+497,145+1,519.3%Added
Hennessy Advisors Inc526,300$7.32M0.23%+526,300New
Royal Bank of Canada504,227$7.01M0.00%+46,825+10.2%Added
Nomura Holdings Inc502,322$6.98M0.03%+38,146+8.2%Added
Westerly Capital Management, LLC500,000$6.95M1.28%−300,000−37.5%Reduced
Barclays PLC479,197$6.66M0.00%−448,578−48.3%Reduced
Trexquant Investment LP472,733$6.57M0.04%−212,176−31.0%Reduced
Needham Investment Management LLC450,000$6.25M0.19%−778,500−63.4%Reduced
SEI Investments Co403,253$5.61M0.00%−701,857−63.5%Reduced
Y-Intercept (Hong Kong) Ltd370,294$5.15M0.10%+318,195+610.8%Added
Mackenzie Financial Corp352,438$4.90M0.00%−16,242−4.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund330,100$4.59M0.01%+330,100New
Jane Street Group, LLC281,868$3.92M0.00%+180,379+177.7%Added
White Pine Capital LLC279,072$3.88M0.92%−376,916−57.5%Reduced
Balyasny Asset Management LLC275,489$3.83M0.01%+275,489New
Ameriprise Financial Inc266,134$3.70M0.00%+94,178+54.8%Added
Bank of New York Mellon Corp255,026$3.54M0.00%+15,025+6.3%Added
Gratia Capital, LLC250,492$3.48M4.00%+250,492New
Acadian Asset Management LLC247,014$3.43M0.00%+99,308+67.2%Added
American Century Companies Inc238,878$3.32M0.00%+22,616+10.5%Added
Invesco Ltd.236,765$3.29M0.00%−754,229−76.1%Reduced
SG Americas Securities, LLC236,510$3.29M0.00%−1,079,539−82.0%Reduced
Deutsche Bank AG235,833$3.28M0.00%−22,824−8.8%Reduced
Janney Montgomery Scott LLC230,160$3.20M0.01%+230,160New
Algert Global LLC228,160$3.17M0.04%00.0%Unchanged
NFJ Investment Group, LLC208,413$2.90M0.10%+208,413New
Walleye Trading LLC208,278$2.90M0.04%+53,382+34.5%Added
UBS Asset Management Americas Inc201,962$2.81M0.00%+11,724+6.2%Added
Herald Investment Management Ltd200,000$2.78M0.38%00.0%Unchanged
Engineers Gate Manager LP198,697$2.76M0.04%−19,814−9.1%Reduced
CWM Advisors, LLC195,941$2.72M0.11%+13,419+7.4%Added
State of Wisconsin Investment Board192,528$2.68M0.01%−57,178−22.9%Reduced
Empowered Funds, LLC184,606$2.57M0.01%+184,606New
BNP Paribas Arbitrage, SA180,890$2.51M0.00%+10,121+5.9%Added
XTX Topco Ltd178,573$2.48M0.03%+88,738+98.8%Added
Lazard Asset Management LLC176,625$2.46M0.00%+176,625New
Raymond James Financial Inc146,245$2.03M0.00%−45,750−23.8%Reduced
Swiss National Bank145,700$2.03M0.00%+3,100+2.2%Added
Susquehanna International Group, LLP140,133$1.95M0.00%+26,084+22.9%Added
Price T Rowe Associates Inc138,630$1.93M0.00%+15,923+13.0%Added
Globeflex Capital L P132,526$1.84M0.24%+109+0.1%Added
Lido Advisors, LLC129,355$1.80M0.01%+250.0%Added
Bienville Capital Management, LLC127,247$1.77M0.26%+127,247New
Brevan Howard Capital Management LP124,994$1.74M0.02%−19,220−13.3%Reduced
Titan Global Capital Management USA LLC123,465$1.72M0.22%+123,465New
Lisanti Capital Growth, LLC115,625$1.61M0.35%−221,340−65.7%Reduced
Occudo Quantitative Strategies LP115,286$1.60M0.09%+14,330+14.2%Added
Toroso Investments, LLC115,014$1.60M0.00%+43,114+60.0%Added
Massachusetts Financial Services Co109,674$1.52M0.00%+42,039+62.2%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.106,853$1.49M0.00%−16,167−13.1%Reduced
Rhumbline Advisers103,040$1.43M0.00%+9,651+10.3%Added
Man Group plc102,762$1.43M0.00%+48,591+89.7%Added
Polymer Capital Management (US) LLC101,366$1.41M0.21%+101,366New
Creative Planning97,558$1.36M0.00%+11,040+12.8%Added
Burney Co93,597$1.30M0.04%+93,597New
Integrated Quantitative Investments LLC92,997$1.29M0.21%+54,614+142.3%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main90,000$1.25M0.00%+90,000New