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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, Q1 2026

Institutional positions in ADTRAN Holdings, Inc. as of Mar 31, 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
228
+19 vs. Q4 2025
Shares held
78.7M
+16.5M (+26.6%) vs. Q4 2025
Total value
$989.1M
+$448.7M (+83.0%) vs. Q4 2025
New holders
50
88 more added
Sold out
31
63 more reduced

4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 228 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 heldQ1 2026: $989.1M
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, Q1 2026

Shares, value and share of portfolio for each institution holding ADTRAN Holdings, Inc.; share changes are against Q4 2025.

Institutions holding ADTN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank2$340.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd7$880.00%−78−91.8%Reduced
Larson Financial Group LLC8$1010.00%00.0%Unchanged
JPL Wealth Management, LLC19$2400.00%+19New
Bruce G. Allen Investments, LLC21$2640.00%+21New
SBI Securities Co., Ltd.23$2890.00%+10+76.9%Added
Torren Management, LLC46$5790.00%00.0%Unchanged
SJS Investment Consulting Inc.49$6170.00%+49New
Wealth Preservation Advisors, LLC53$6670.00%+53New
Twin Peaks Wealth Advisors, LLC60$7550.00%+60New
Keating Financial Advisory Services, Inc.88$1.11K0.00%+88New
Private Wealth Management Group, LLC88$1.11K0.00%00.0%Unchanged
N.E.W. Advisory Services LLC100$1.26K0.00%−10−9.1%Reduced
Assetmark, Inc121$1.52K0.00%+87+255.9%Added
Quarry LP122$1.53K0.00%+122New
Essential Partners LLC155$1.95K0.00%+123+384.4%Added
True Wealth Design, LLC194$2.44K0.00%00.0%Unchanged
IFP Advisors, Inc201$2.53K0.00%+198+6,600.0%Added
Parallel Advisors, LLC228$2.87K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.245$3.08K0.00%+240+4,800.0%Added
Basecamp Wealth Advisors LLC253$3.18K0.00%+253New
Root Financial Partners, LLC276$3.47K0.00%+276New
Jones Financial Companies LLLP280$3.62K0.00%+129+85.4%Added
Johnson Financial Group, Inc.296$3.72K0.00%00.0%Unchanged
Farther Finance Advisors, LLC309$3.93K0.00%+278+896.8%Added
Los Angeles Capital Management LLC374$4.71K0.00%−29,310−98.7%Reduced
Smartleaf Asset Management LLC441$5.38K0.00%−323−42.3%Reduced
Advisor Group Holdings, Inc.439$5.52K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC466$5.86K0.00%+266+133.0%Added
Sterling Capital Management LLC483$6.08K0.00%−17−3.4%Reduced
The PNC Financial Services Group, Inc.625$7.86K0.00%−3−0.5%Reduced
Rothschild Investment LLC783$9.85K0.00%+573+272.9%Added
Nisa Investment Advisors, LLC1,262$15.9K0.00%+54+4.5%Added
Fifth Third Bancorp1,289$16.2K0.00%+1,289New
Signaturefd, LLC1,445$18.2K0.00%00.0%Unchanged
Allworth Financial LP1,557$19.6K0.00%+1,518+3,892.3%Added
Covestor Ltd1,608$20.0K0.01%−138−7.9%Reduced
US Bancorp1,607$20.2K0.00%+12+0.8%Added
Parkside Financial Bank & Trust2,134$26.8K0.00%+2,134New
MAI Capital Management2,319$29.2K0.00%+2,271+4,731.3%Added
Versant Capital Management, Inc2,631$33.1K0.00%−141−5.1%Reduced
GAMMA Investing LLC3,367$42.4K0.00%+19+0.6%Added
State of Alaska, Department of Revenue3,872$48.0K0.00%00.0%Unchanged
St Germain D J Co Inc5,000$62.9K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.6,214$78.2K0.00%00.0%Unchanged
Freestone Grove Partners LP7,731$97.3K0.00%−2,291−22.9%Reduced
Tower Research Capital LLC (TRC)8,092$101.8K0.00%+3,487+75.7%Added
ProShare Advisors LLC10,782$135.6K0.00%−2,810−20.7%Reduced
Public Employees Retirement Association of Colorado11,333$143.0K0.00%00.0%Unchanged
Prudential Financial Inc11,593$145.8K0.00%+11,593New
Vident Advisory, LLC11,819$148.7K0.00%+125+1.1%Added
Thompson Davis & Co., Inc.11,865$149.3K0.10%+11,865New
Keebeck Alpha, LP12,342$155.3K0.47%+12,342New
IMC-Chicago, LLC12,429$156.4K0.00%+12,429New
LPL Financial LLC12,722$160.0K0.00%−404−3.1%Reduced
Cinctive Capital Management LP13,522$170.1K0.01%00.0%Unchanged
Neuberger Berman Group LLC13,908$175.0K0.00%+1,517+12.2%Added
Financial Engines Advisors L.L.C.14,518$182.6K0.00%+14,518New
Wealth Enhancement Advisory Services, LLC14,221$183.2K0.00%+14,221New
DRW Securities, LLC14,600$183.7K0.01%+14,600New
Harvest Investment Services, LLC14,981$188.5K0.03%−77−0.5%Reduced
Winton Group Ltd15,000$188.7K0.01%+15,000New
Pictet Asset Management Holding SA15,108$190.1K0.00%00.0%Unchanged
Prelude Capital Management, LLC15,457$194.4K0.01%+1,738+12.7%Added
Canada Pension Plan Investment Board15,500$195.0K0.00%00.0%Unchanged
Entropy Technologies, LP15,793$198.7K0.01%+5,510+53.6%Added
KLP Kapitalforvaltning AS16,700$210.1K0.00%+2,100+14.4%Added
Stifel Financial Corp17,040$214.4K0.00%−1,500−8.1%Reduced
Vanguard Investments Australia, Ltd.17,171$216.0K0.00%+17,171New
Intech Investment Management LLC17,370$218.5K0.00%−6,297−26.6%Reduced
Fox Run Management, L.L.C.18,098$220.6K0.04%+5,185+40.2%Added
Citigroup Inc18,427$231.8K0.00%+4,803+35.3%Added
Cerity Partners LLC19,791$249.0K0.00%+19,791New
Arizona State Retirement System19,805$249.1K0.00%−220−1.1%Reduced
Manufacturers Life Insurance Company, The20,188$254.0K0.00%−2,353−10.4%Reduced
Headlands Technologies LLC20,405$256.7K0.03%+20,405New
Susquehanna Fundamental Investments, LLC20,443$257.2K0.01%+20,443New
Police & Firemen's Retirement System of New Jersey21,011$264.3K0.00%00.0%Unchanged
New York State Common Retirement Fund21,858$275.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System22,299$280.5K0.00%00.0%Unchanged
Hillsdale Investment Management Inc.22,900$288.1K0.01%−471,350−95.4%Reduced
Bridgefront Capital, LLC23,619$297.1K0.07%−6,098−20.5%Reduced
CWM, LLC24,421$307.2K0.00%+18,146+289.2%Added
Caxton Associates LLP24,497$308.2K0.01%+24,497New
Mercer Global Advisors Inc25,561$321.6K0.00%+25,561New
Russell Investments Group, Ltd.25,926$326.1K0.00%−2,942−10.2%Reduced
Group One Trading, L.P.26,275$330.5K0.01%+22,726+640.3%Added
Warren Averett Asset Management, LLC29,879$375.9K0.00%−1,758−5.6%Reduced
Panagora Asset Management Inc29,879$375.9K0.00%00.0%Unchanged
Granahan Investment Management Inc30,782$387.2K0.02%−24,058−43.9%Reduced
Virtus ETF Advisers LLC31,571$397.2K0.19%00.0%Unchanged
Mariner, LLC32,510$408.9K0.00%+32,510New
Counterpoint Mutual Funds LLC32,721$411.6K0.06%+32,721New
Janus Henderson Group PLC32,900$412.7K0.00%00.0%Unchanged
Jain Global LLC33,664$423.5K0.01%−31,116−48.0%Reduced
Voloridge Investment Management, LLC33,937$426.9K0.00%−112,211−76.8%Reduced
Ieq Capital, LLC34,359$432.2K0.00%+34,359New
Mirae Asset Global ETFs Holdings Ltd.34,865$438.6K0.00%+342+1.0%Added
Quadrant Capital Group LLC35,710$449.2K0.01%00.0%Unchanged
Campbell & CO Investment Adviser LLC38,324$482.1K0.03%+7,592+24.7%Added