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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.

Q2 2025 vs. Q1 2025

How the institutions holding ADTRAN Holdings, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of ADTN: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders2051194−10
Shares58.8M18859.5M+743.3K (+1.3%)
Value$512.3M$1.64K$533.7M+$21.4M (+4.2%)

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (28)

Institutions that held ADTRAN Holdings, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to ADTN in Q2 2025
InstitutionSharesValue% of portfolio
SG Capital Management LLC847,417$7.60M0.65%
Y-Intercept (Hong Kong) Ltd287,459$2.58M0.06%
Manatuck Hill Partners, LLC228,039$2.05M0.77%
Norges Bank198,100$1.78M0.00%
Lazard Asset Management LLC176,300$1.58M0.00%
Jump Financial, LLC163,937$1.47M0.02%
Occudo Quantitative Strategies LP63,686$571.3K0.06%
Brevan Howard Capital Management LP55,951$501.9K0.01%
Versor Investments LP46,700$418.9K0.07%
Los Angeles Capital Management LLC46,629$418.3K0.00%
State of Wyoming41,674$373.8K0.05%
Integrated Quantitative Investments LLC32,311$289.8K0.09%
RFG Advisory, LLC28,987$260.0K0.01%
Magnetar Financial LLC26,134$234.4K0.00%
Two Sigma Advisers, LP25,100$225.1K0.00%
Vident Advisory, LLC14,518$130.2K0.00%
Park Avenue Securities LLC10,130$91.0K0.00%
New York State Teachers Retirement System7,192$65.0K0.00%
Group One Trading, L.P.4,847$43.5K0.00%
Cape Investment Advisory, Inc.3,000$26.9K0.01%
Simplex Trading, LLC2,709$24.0K0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.615$6.00K0.00%
Harbor Asset Planning, Inc.290$2.60K0.00%
Global Retirement Partners, LLC262$2.35K0.00%
Twin Peaks Wealth Advisors, LLC60$5460.00%
Assetmark, Inc34$3050.00%
Essential Partners LLC27$2420.00%
Clearstead Advisors, LLC1$90.00%

Sold out (38)

Institutions that held ADTRAN Holdings, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Not filed for Q2 2025 yet (1)

Institutions that held ADTRAN Holdings, Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ADTN in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Lindbrook Capital, LLC188$1.64K