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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 2025

Institutional positions in ADTRAN Holdings, Inc. as of Jun 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
194
−10 vs. Q1 2025
Shares held
59.5M
+743.3K (+1.3%) vs. Q1 2025
Total value
$533.7M
+$21.4M (+4.2%) vs. Q1 2025
New holders
28
66 more added
Sold out
38
74 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 194 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 2025: $533.7M
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 2025

Shares, value and share of portfolio for each institution holding ADTRAN Holdings, Inc.; share changes are against Q1 2025.

Institutions holding ADTN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
ExodusPoint Capital Management, LP0$00.00%−200,014−100.0%Sold out
Numerai GP LLC0$00.00%−154,144−100.0%Sold out
Concurrent Investment Advisors, LLC0$00.00%−83,864−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−60,819−100.0%Sold out
Fuller & Thaler Asset Management, Inc.0$00.00%−51,370−100.0%Sold out
Legato Capital Management LLC0$00.00%−48,080−100.0%Sold out
Campbell Capital Management Inc0$00.00%−39,600−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−38,582−100.0%Sold out
Aigen Investment Management, LP0$00.00%−31,603−100.0%Sold out
Jain Global LLC0$00.00%−27,175−100.0%Sold out
Ieq Capital, LLC0$00.00%−23,919−100.0%Sold out
Thompson Davis & Co., Inc.0$00.00%−18,675−100.0%Sold out
We Are One Seven, LLC0$00.00%−17,509−100.0%Sold out
CIBC World Markets Corp0$00.00%−17,475−100.0%Sold out
Scotia Capital Inc.0$00.00%−16,125−100.0%Sold out
Cerity Partners LLC0$00.00%−15,705−100.0%Sold out
Bank of Montreal0$00.00%−14,707−100.0%Sold out
Martingale Asset Management L P0$00.00%−14,060−100.0%Sold out
Mariner, LLC0$00.00%−10,887−100.0%Sold out
Ballentine Partners, LLC0$00.00%−10,771−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−9,145−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−8,950−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−7,500−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−1,088−100.0%Sold out
Harbour Investments, Inc.0$00.00%−800−100.0%Sold out
Optiver Holding B.V.0$00.00%−288−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−113−100.0%Sold out
UMA Financial Services, Inc.0$00.00%−123−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−120−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−120−100.0%Sold out
Skopos Labs, Inc.0$00.00%−86−100.0%Sold out
Stephens Consulting, LLC0$00.00%−40−100.0%Sold out
Lindbrook Capital, LLC––––Not filed