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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 $1.17B in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in ADTRAN Holdings, Inc. as of Sep 30, 2025. 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
221
+28 vs. Q2 2025
Shares held
67.5M
+8.21M (+13.8%) vs. Q2 2025
Total value
$632.2M
+$100.3M (+18.8%) vs. Q2 2025
New holders
46
84 more added
Sold out
18
58 more reduced

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 221 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 heldQ3 2025: $632.2M
Q1 2021: $740.9MQ2 2021: $923.9MQ3 2021: $836.8MQ4 2021: $1.06BQ1 2022: $896.0MQ2 2022: $844.4MQ3 2022: $1.20BQ4 2022: $1.19BQ1 2023: $1.00BQ2 2023: $678.9MQ3 2023: $523.1MQ4 2023: $462.0MQ1 2024: $347.1MQ2 2024: $315.7MQ3 2024: $349.7MQ4 2024: $513.1MQ1 2025: $512.3MQ2 2025: $533.7MQ3 2025: $632.2MQ4 2025: $611.5MQ1 2026: $989.1MQ2 2026: $1.17B
Institutions holding ADTN and their total value by quarter
QuarterHoldersValue
Q2 2026249$1.17B
Q1 2026228$989.1M
Q4 2025213$611.5M
Q3 2025221$632.2M
Q2 2025194$533.7M
Q1 2025205$512.3M
Q4 2024158$513.1M
Q3 2024153$349.7M
Q2 2024158$315.7M
Q1 2024169$347.1M
Q4 2023169$462.0M
Q3 2023165$523.1M
Q2 2023165$678.9M
Q1 2023174$1.00B
Q4 2022180$1.19B
Q3 2022187$1.20B
Q2 2022163$844.4M
Q1 2022187$896.0M
Q4 2021183$1.06B
Q3 2021175$836.8M
Q2 2021155$923.9M
Q1 2021136$740.9M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding ADTRAN Holdings, Inc.; share changes are against Q2 2025.

Institutions holding ADTN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc8,383,305$78.6M0.00%+217,148+2.7%Added
BlackRock, Inc.8,273,324$77.6M0.00%+214,974+2.7%Added
Divisar Capital Management LLC3,213,090$30.1M8.20%−1,016,272−24.0%Reduced
DnB Asset Management AS2,903,869$27.2M0.10%+174,354+6.4%Added
William Blair Investment Management, LLC2,736,430$25.7M0.07%−166,096−5.7%Reduced
Royce & Associates LP2,410,775$22.6M0.23%+308,705+14.7%Added
State Street Corp1,899,508$17.8M0.00%+44,028+2.4%Added
Geode Capital Management, LLC1,770,186$16.6M0.00%+20,880+1.2%Added
Citadel Advisors LLC1,218,868$11.4M0.01%+813,822+200.9%Added
First Eagle Investment Management, LLC1,209,207$11.3M0.02%+75,600+6.7%Added
Ophir Asset Management Pty Ltd1,204,749$11.3M1.40%+1,204,749New
Needham Investment Management LLC1,175,000$11.0M0.77%+55,000+4.9%Added
Alyeska Investment Group, L.P.1,084,029$10.2M0.03%+1,084,029New
Tieton Capital Management, LLC989,124$9.28M3.22%+36,632+3.8%Added
Assenagon Asset Management S.A.932,680$8.75M0.01%+814,864+691.6%Added
Westerly Capital Management, LLC920,220$8.63M2.74%−54,780−5.6%Reduced
Tudor Investment Corp Et Al897,115$8.41M0.05%+729,194+434.2%Added
JPMorgan Chase & Co813,363$7.63M0.00%+356,884+78.2%Added
Barclays PLC806,339$7.56M0.00%+211,746+35.6%Added
Morgan Stanley793,537$7.44M0.00%−150,461−15.9%Reduced
Schonfeld Strategic Advisors LLC786,823$7.38M0.05%+773,509+5,809.7%Added
Federated Hermes, Inc.772,854$7.25M0.01%+5,111+0.7%Added
Kovack Advisors, Inc.707,900$6.64M0.63%−6,300−0.9%Reduced
Charles Schwab Investment Management Inc688,439$6.46M0.00%+6,370+0.9%Added
Squarepoint Ops LLC682,059$6.40M0.01%+51,213+8.1%Added
Trexquant Investment LP681,089$6.39M0.07%+391,127+134.9%Added
Northern Trust Corp673,868$6.32M0.00%−3,541−0.5%Reduced
Goldman Sachs Group Inc644,237$6.04M0.00%+132,053+25.8%Added
HRT Financial LP620,865$5.82M0.02%+393,326+172.9%Added
Cubist Systematic Strategies, LLC585,145$5.49M0.08%+306,212+109.8%Added
Granahan Investment Management Inc582,490$5.46M0.22%+382,170+190.8%Added
1492 Capital Management LLC574,588$5.39M2.18%+101,608+21.5%Added
Millennium Management LLC571,956$5.36M0.00%+365,520+177.1%Added
Hillsdale Investment Management Inc.512,920$4.81M0.15%−21,400−4.0%Reduced
Susquehanna International Group, LLP444,272$4.17M0.01%+319,759+256.8%Added
Jane Street Group, LLC441,435$4.14M0.00%+441,435New
Dimensional Fund Advisors LP431,037$4.04M0.00%−8,971−2.0%Reduced
Bank of America Corp430,262$4.04M0.00%−216,105−33.4%Reduced
Man Group plc430,091$4.03M0.01%+37,292+9.5%Added
Connor, Clark & Lunn Investment Management Ltd.370,613$3.48M0.01%+92,793+33.4%Added
Marshall Wace, LLP358,052$3.36M0.00%−458,481−56.1%Reduced
Nierenberg Investment Management Company, Inc.343,110$3.22M1.78%00.0%Unchanged
D. E. Shaw & Co., Inc.324,869$3.05M0.00%+324,869New
UBS Group AG316,768$2.97M0.00%+23,484+8.0%Added
Alliancebernstein L.P.296,285$2.78M0.00%−37,325−11.2%Reduced
Qube Research & Technologies Ltd284,355$2.67M0.00%−402,356−58.6%Reduced
Balyasny Asset Management LLC277,953$2.61M0.01%+277,953New
Renaissance Technologies LLC271,634$2.55M0.00%−397,206−59.4%Reduced
Mackenzie Financial Corp270,150$2.53M0.00%+41,013+17.9%Added
BNP Paribas Arbitrage, SA261,505$2.45M0.00%+193,803+286.3%Added
Invesco Ltd.260,664$2.45M0.00%−22,469−7.9%Reduced
Wolverine Asset Management LLC260,400$2.44M0.04%+260,400New
State of Wisconsin Investment Board251,558$2.36M0.01%+20,452+8.8%Added
Raymond James Financial Inc239,657$2.25M0.00%+900+0.4%Added
American Century Companies Inc237,623$2.23M0.00%+13,608+6.1%Added
Bank of New York Mellon Corp232,698$2.18M0.00%+16,155+7.5%Added
Ameriprise Financial Inc231,677$2.17M0.00%−31,249−11.9%Reduced
White Pine Capital LLC230,464$2.16M0.62%+190.0%Added
Algert Global LLC228,160$2.14M0.04%+70,510+44.7%Added
SG Americas Securities, LLC201,986$1.90M0.01%−35,221−14.8%Reduced
Herald Investment Management Ltd200,000$1.87M0.25%00.0%Unchanged
Jump Financial, LLC192,400$1.80M0.02%+28,463+17.4%Added
UBS Asset Management Americas Inc185,746$1.74M0.00%+6,594+3.7%Added
Nuveen, LLC185,301$1.74M0.00%00.0%Unchanged
Paradigm Capital Management Inc180,000$1.69M0.07%+60,000+50.0%Added
Atom Investors LP178,209$1.67M0.13%+178,209New
AQR Capital Management LLC176,406$1.65M0.00%−67,928−27.8%Reduced
Moore Capital Management, LP174,330$1.64M0.03%+174,330New
Hussman Strategic Advisors, Inc.147,000$1.38M0.30%+147,000New
Worth Venture Partners, LLC144,431$1.35M3.97%+107,964+296.1%Added
Manatuck Hill Partners, LLC142,539$1.34M0.45%−85,500−37.5%Reduced
Swiss National Bank139,700$1.31M0.00%+2,300+1.7%Added
Quantbot Technologies LP126,490$1.19M0.03%+106,110+520.7%Added
Point72 Asset Management, L.P.120,701$1.13M0.00%+76,877+175.4%Added
Victory Capital Management Inc118,400$1.11M0.00%+17,586+17.4%Added
Skandinaviska Enskilda Banken AB (publ)117,594$1.10M0.00%−1,042−0.9%Reduced
Dynamic Technology Lab Private Ltd116,368$1.09M0.18%+60,070+106.7%Added
Rhumbline Advisers113,754$1.07M0.00%−2,907−2.5%Reduced
Legal & General Group Plc113,371$1.06M0.00%−109−0.1%Reduced
Boothbay Fund Management, LLC109,560$1.03M0.03%+27,033+32.8%Added
Globeflex Capital L P106,755$1.00M0.15%+106,755New
Two Sigma Investments, LP106,692$1.00M0.00%+26,828+33.6%Added
Verition Fund Management LLC105,943$993.7K0.01%−3,940−3.6%Reduced
Price T Rowe Associates Inc105,428$989.0K0.00%+2,137+2.1%Added
ExodusPoint Capital Management, LP100,431$942.0K0.01%+100,431New
Lido Advisors, LLC90,778$851.5K0.00%+46+0.1%Added
Deutsche Bank AG87,057$816.6K0.00%+28,798+49.4%Added
Susquehanna Advisors Group, Inc.82,552$774.3K0.02%−9,560−10.4%Reduced
Los Angeles Capital Management LLC80,187$752.2K0.00%+33,558+72.0%Added
Susquehanna Portfolio Strategies, LLC79,796$748.5K0.01%−1,468−1.8%Reduced
Franklin Resources Inc78,429$735.7K0.00%+27,087+52.8%Added
Summit Partners Public Asset Management, LLC75,000$703.5K0.02%+75,000New
Massachusetts Financial Services Co71,729$672.8K0.00%+4,719+7.0%Added
Teacher Retirement System of Texas71,114$667.0K0.00%−28,597−28.7%Reduced
Koesten, Hirschmann & Crabtree, INC.70,448$660.8K0.32%00.0%Unchanged
Gsa Capital Partners LLP68,194$640.0K0.05%+47,772+233.9%Added
Susquehanna Fundamental Investments, LLC68,120$639.0K0.02%−60,888−47.2%Reduced
STRS Ohio67,900$636.9K0.00%00.0%Unchanged
Creative Planning66,573$624.5K0.00%+2,799+4.4%Added
Occudo Quantitative Strategies LP65,702$616.3K0.08%+2,016+3.2%Added