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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, 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
84.0M
+5.37M (+6.8%) vs. Q1 2026
Total value
$1.17B
+$178.1M (+18.0%) vs. Q1 2026
New holders
51
94 more added
Sold out
28
75 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: $1.17B
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, 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
GAMMA Investing LLC3,457$48.1K0.00%+90+2.7%Added
Parkside Financial Bank & Trust3,238$45.0K0.00%+1,104+51.7%Added
Versant Capital Management, Inc2,631$36.6K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,617$36.4K0.00%−5,475−67.7%Reduced
Persistent Asset Partners Ltd2,035$28.3K0.01%+2,035New
Advisor Group Holdings, Inc.1,879$26.1K0.00%+1,440+328.0%Added
Allworth Financial LP1,725$24.0K0.00%+168+10.8%Added
US Bancorp1,599$22.2K0.00%−8−0.5%Reduced
Covestor Ltd1,572$22.0K0.01%−36−2.2%Reduced
SRS Capital Advisors, Inc.1,544$21.5K0.00%+1,299+530.2%Added
Signaturefd, LLC1,445$20.1K0.00%00.0%Unchanged
Fifth Third Bancorp1,331$18.5K0.00%+42+3.3%Added
Nisa Investment Advisors, LLC1,262$17.5K0.00%00.0%Unchanged
Rothschild Investment LLC793$11.0K0.00%+10+1.3%Added
The PNC Financial Services Group, Inc.652$9.06K0.00%+27+4.3%Added
EverSource Wealth Advisors, LLC604$8.40K0.00%+138+29.6%Added
Jones Financial Companies LLLP551$7.44K0.00%+271+96.8%Added
Parallel Advisors, LLC469$6.52K0.00%+241+105.7%Added
Smartleaf Asset Management LLC441$6.06K0.00%00.0%Unchanged
Essential Partners LLC402$5.59K0.00%+247+159.4%Added
Optiver Holding B.V.393$5.46K0.00%+393New
Farther Finance Advisors, LLC322$4.47K0.00%+13+4.2%Added
IFP Advisors, Inc300$4.17K0.00%+99+49.3%Added
Johnson Financial Group, Inc.296$4.12K0.00%00.0%Unchanged
Sterling Capital Management LLC270$3.75K0.00%−213−44.1%Reduced
SJS Investment Consulting Inc.258$3.59K0.00%+209+426.5%Added
Basecamp Wealth Advisors LLC253$3.52K0.00%00.0%Unchanged
True Wealth Design, LLC194$2.70K0.00%00.0%Unchanged
Clearstead Advisors, LLC152$2.11K0.00%+152New
Barrow Hanley Mewhinney & Strauss LLC131$1.82K0.00%+131New
Pinnacle Wealth Planning Services, Inc.127$1.76K0.00%+127New
Assetmark, Inc121$1.68K0.00%00.0%Unchanged
N.E.W. Advisory Services LLC100$1.39K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.100$1.39K0.00%+100New
Keating Financial Advisory Services, Inc.88$1.22K0.00%00.0%Unchanged
Private Wealth Management Group, LLC83$1.15K0.00%−5−5.7%Reduced
Hollencrest Capital Management61$8480.00%+61New
SBI Securities Co., Ltd.52$7230.00%+29+126.1%Added
C M Bidwell & Associates Ltd50$6950.00%+50New
Torren Management, LLC46$6390.00%00.0%Unchanged
Quarry LP41$5700.00%−81−66.4%Reduced
Bruce G. Allen Investments, LLC33$4590.00%+12+57.1%Added
UMA Financial Services, Inc.29$4040.00%+29New
JPL Wealth Management, LLC19$2650.00%00.0%Unchanged
Silver Grove Financial Group, Inc.14$1950.00%+14New
Larson Financial Group LLC8$1110.00%00.0%Unchanged
National Bank of Canada8$1110.00%+8New
Huntington National Bank2$350.00%00.0%Unchanged
Kilter Group LLC1$140.00%+1New
Shannon River Fund Management LLC0$00.00%−1,219,976−100.0%Sold out
Paradigm Capital Management Inc0$00.00%−733,200−100.0%Sold out
Cramer Rosenthal McGlynn LLC0$00.00%−287,178−100.0%Sold out
Manatuck Hill Partners, LLC0$00.00%−250,000−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−128,002−100.0%Sold out
Divisadero Street Capital Management, LP0$00.00%−121,731−100.0%Sold out
Jump Financial, LLC0$00.00%−105,866−100.0%Sold out
Nierenberg Investment Management Company, Inc.0$00.00%−93,110−100.0%Sold out
HighTower Advisors, LLC0$00.00%−93,101−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−65,639−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−33,937−100.0%Sold out
Jain Global LLC0$00.00%−33,664−100.0%Sold out
Group One Trading, L.P.0$00.00%−26,275−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−23,619−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−18,098−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−15,500−100.0%Sold out
Winton Group Ltd0$00.00%−15,000−100.0%Sold out
DRW Securities, LLC0$00.00%−14,600−100.0%Sold out
Financial Engines Advisors L.L.C.0$00.00%−14,518−100.0%Sold out
Neuberger Berman Group LLC0$00.00%−13,908−100.0%Sold out
Cinctive Capital Management LP0$00.00%−13,522−100.0%Sold out
Keebeck Alpha, LP0$00.00%−12,342−100.0%Sold out
Thompson Davis & Co., Inc.0$00.00%−11,865−100.0%Sold out
Freestone Grove Partners LP0$00.00%−7,731−100.0%Sold out
MAI Capital Management0$00.00%−2,319−100.0%Sold out
Root Financial Partners, LLC0$00.00%−276−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−60−100.0%Sold out
Wealth Preservation Advisors, LLC0$00.00%−53−100.0%Sold out
Janus Henderson Group PLC––––Not filed
CWM, LLC––––Not filed