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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.

Q4 2025 vs. Q3 2025

How the institutions holding ADTRAN Holdings, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of ADTN: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders2213213−5
Shares67.5M601.1K70.4M+3.45M (+5.2%)
Value$632.2M$5.64M$611.5M−$15.0M (−2.4%)

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held ADTRAN Holdings, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ADTN in Q4 2025
InstitutionSharesValue% of portfolio
Nomura Holdings Inc681,349$5.92M0.02%
SEI Investments Co421,848$3.67M0.00%
Arrowstreet Capital, Limited Partnership284,502$2.47M0.00%
Niles Investment Management, LLC149,494$1.30M1.08%
Divisadero Street Capital Management, LP127,489$1.11M0.06%
Acadian Asset Management LLC89,054$771.0K0.00%
Virginia Retirement Systems Et Al64,800$563.1K0.00%
Jacobs Levy Equity Management, Inc59,192$514.4K0.00%
Bank of Montreal50,328$437.4K0.00%
Lazard Asset Management LLC45,238$393.1K0.00%
PDT Partners, LLC20,755$180.4K0.01%
Aquatic Capital Management LLC19,480$169.3K0.00%
Centiva Capital, LP13,716$119.2K0.01%
Fox Run Management, L.L.C.12,913$112.2K0.02%
Jefferies Financial Group Inc.12,800$111.2K0.00%
Neuberger Berman Group LLC12,391$107.7K0.00%
Twinbeech Capital LP11,100$96.5K0.01%
Freestone Grove Partners LP10,022$87.1K0.00%
Kestra Advisory Services, LLC4,192$36.4K0.00%
CIBC Private Wealth Group, LLC1,400$12.2K0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.994$9.00K0.00%
N.E.W. Advisory Services LLC110$9560.00%
Caitong International Asset Management Co., Ltd85$7390.00%
MAI Capital Management48$4180.00%
Torren Management, LLC46$4000.00%
Larson Financial Group LLC8$700.00%

Sold out (31)

Institutions that held ADTRAN Holdings, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ADTN in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Schonfeld Strategic Advisors LLC786,823$7.38M
Marshall Wace, LLP358,052$3.36M
Wolverine Asset Management LLC260,400$2.44M
Moore Capital Management, LP174,330$1.64M
Manatuck Hill Partners, LLC142,539$1.34M
Dynamic Technology Lab Private Ltd116,368$1.09M
Summit Partners Public Asset Management, LLC75,000$703.5K
Susquehanna Fundamental Investments, LLC68,120$639.0K
STRS Ohio67,900$636.9K
Occudo Quantitative Strategies LP65,702$616.3K
Toroso Investments, LLC63,655$597.1K
Prudential Financial Inc49,366$463.1K
Sender Co & Partners, Inc.43,184$405.1K
Cetera Investment Advisers40,599$380.8K
Counterpoint Mutual Funds LLC39,556$371.0K
Weiss Asset Management LP25,709$241.2K
PharVision Advisers, LLC23,600$221.4K
Caxton Associates LLP18,310$171.7K
Omers Administration Corp18,100$169.8K
Virtu Financial LLC17,518$164.0K
Financial Engines Advisors L.L.C.12,200$114.4K
Cerity Partners LLC10,495$98.4K
FNY Investment Advisers, LLC6,826$64.0K
Quarry LP3,847$36.1K
Umb Bank N A2,200$20.6K
Optiver Holding B.V.662$6.21K
Advisors Asset Management, Inc.496$4.65K
Rockefeller Capital Management L.P.62$582
Ronald Blue Trust, Inc.60$563
Clearstead Advisors, LLC30$282
Colony Group, LLC109,183–

Not filed for Q4 2025 yet (3)

Institutions that held ADTRAN Holdings, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ADTN in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Cubist Systematic Strategies, LLC585,145$5.49M
Point72 Asia (Singapore) Pte. Ltd.14,391$135.0K
Point72 Europe (London) LLP1,607$15.1K