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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
Integrated Quantitative Investments LLC38,383$482.9K0.09%−59,343−60.7%Reduced
MetLife Investment Management40,837$513.7K0.00%+7,373+22.0%Added
nVerses Capital, LLC44,853$564.3K0.51%+44,853New
Vanguard Asset Management, Ltd46,550$585.6K0.00%+46,550New
Worth Venture Partners, LLC48,908$615.3K1.95%−11,584−19.1%Reduced
Franklin Resources Inc52,029$654.5K0.00%−27,663−34.7%Reduced
Y-Intercept (Hong Kong) Ltd52,099$655.4K0.01%+16,272+45.4%Added
Quantinno Capital Management LP52,455$659.9K0.00%+8,281+18.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)52,756$663.7K0.00%+33,996+181.2%Added
EntryPoint Capital, LLC53,446$672.4K0.20%+24,683+85.8%Added
PDT Partners, LLC53,641$674.8K0.04%+32,886+158.4%Added
Man Group plc54,171$681.5K0.00%−120,503−69.0%Reduced
Voya Investment Management LLC56,703$713.3K0.00%−671−1.2%Reduced
Quantbot Technologies LP56,800$714.5K0.03%+45,989+425.4%Added
Gsa Capital Partners LLP58,857$740.0K0.05%−98,299−62.5%Reduced
Numerai GP LLC61,359$771.9K0.08%−13,161−17.7%Reduced
Vanguard Global Advisers, LLC63,035$793.0K0.00%+63,035New
Susquehanna Portfolio Strategies, LLC65,639$825.7K0.01%00.0%Unchanged
Schonfeld Strategic Advisors LLC66,132$831.9K0.01%+66,132New
Massachusetts Financial Services Co67,635$850.8K0.00%−1,796−2.6%Reduced
Toroso Investments, LLC71,900$904.5K0.00%+71,900New
California State Teachers Retirement System72,023$906.0K0.00%−554−0.8%Reduced
Polen Capital Management LLC75,688$952.2K0.01%+75,688New
Potomac Capital Management, Inc.77,200$971.2K0.85%+77,200New
Virginia Retirement Systems Et Al81,000$1.02M0.01%+16,200+25.0%Added
Susquehanna Advisors Group, Inc.81,694$1.03M0.05%−858−1.0%Reduced
Koesten, Hirschmann & Crabtree, INC.84,854$1.07M0.52%+14,406+20.4%Added
Creative Planning86,518$1.09M0.00%+25,571+42.0%Added
XTX Topco Ltd89,835$1.13M0.02%+23,145+34.7%Added
HighTower Advisors, LLC93,101$1.17M0.00%+93,101New
Nierenberg Investment Management Company, Inc.93,110$1.17M0.58%00.0%Unchanged
Rhumbline Advisers93,389$1.17M0.00%−2,358−2.5%Reduced
Simplex Trading, LLC97,585$1.23M0.04%+82,738+557.3%Added
HSBC Holdings PLC97,411$1.23M0.00%+18,947+24.1%Added
Legal & General Group Plc100,486$1.26M0.00%−12,640−11.2%Reduced
Jane Street Group, LLC101,489$1.28M0.00%−242,458−70.5%Reduced
Jump Financial, LLC105,866$1.33M0.02%+27,311+34.8%Added
Susquehanna International Group, LLP114,049$1.43M0.00%−3,064−2.6%Reduced
OP Asset Management Ltd115,374$1.45M0.01%+115,374New
Alliancebernstein L.P.167,920$1.46M0.00%−128,311−43.3%Reduced
Divisadero Street Capital Management, LP121,731$1.53M0.07%−5,758−4.5%Reduced
Price T Rowe Associates Inc122,707$1.54M0.00%+13,980+12.9%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.123,020$1.55M0.00%+122,026+12,276.3%Added
Legato Capital Management LLC123,100$1.55M0.14%+123,100New
Victory Capital Management Inc123,600$1.55M0.00%−1,400−1.1%Reduced
Landscape Capital Management, L.L.C.128,002$1.61M0.10%+116,421+1,005.3%Added
Lido Advisors, LLC129,330$1.63M0.01%+38,552+42.5%Added
Globeflex Capital L P132,417$1.67M0.25%+25,662+24.0%Added
Occudo Quantitative Strategies LP100,956$1.79M0.10%+100,956New
Swiss National Bank142,600$1.79M0.00%+2,900+2.1%Added
Brevan Howard Capital Management LP144,214$1.81M0.02%+23,200+19.2%Added
Acadian Asset Management LLC147,706$1.85M0.00%+58,652+65.9%Added
Walleye Trading LLC154,896$1.95M0.04%+138,896+868.1%Added
BNP Paribas Arbitrage, SA170,769$2.15M0.00%−177,630−51.0%Reduced
Ameriprise Financial Inc171,956$2.16M0.00%−29,374−14.6%Reduced
CWM Advisors, LLC182,522$2.30M0.13%+129,088+241.6%Added
UBS Asset Management Americas Inc190,238$2.39M0.00%+2,424+1.3%Added
Raymond James Financial Inc191,995$2.42M0.00%−40,267−17.3%Reduced
Herald Investment Management Ltd200,000$2.51M0.35%00.0%Unchanged
Renaissance Technologies LLC202,899$2.55M0.00%−48,941−19.4%Reduced
American Century Companies Inc216,262$2.72M0.00%−1,295−0.6%Reduced
Engineers Gate Manager LP218,511$2.75M0.03%+65,063+42.4%Added
Algert Global LLC228,160$2.87M0.04%−159,170−41.1%Reduced
Skandinaviska Enskilda Banken AB (publ)235,188$2.96M0.07%+117,594+100.0%Added
Bank of New York Mellon Corp240,001$3.02M0.00%−9,029−3.6%Reduced
UBS Group AG249,157$3.13M0.00%+80,945+48.1%Added
State of Wisconsin Investment Board249,706$3.14M0.01%−20,883−7.7%Reduced
Manatuck Hill Partners, LLC250,000$3.15M1.03%+250,000New
Deutsche Bank AG258,657$3.25M0.00%−88,632−25.5%Reduced
ExodusPoint Capital Management, LP259,916$3.27M0.03%+47,999+22.6%Added
Qube Research & Technologies Ltd269,945$3.40M0.00%+171,837+175.2%Added
Cramer Rosenthal McGlynn LLC287,178$3.61M0.27%+287,178New
Nuveen, LLC335,189$4.22M0.00%+154,557+85.6%Added
Lisanti Capital Growth, LLC336,965$4.24M1.07%+336,965New
White Pine Capital LLC361,619$4.55M1.24%+21,118+6.2%Added
Bank of America Corp367,226$4.62M0.00%+40,595+12.4%Added
Mackenzie Financial Corp368,680$4.64M0.01%+7,073+2.0%Added
Wells Fargo & Company378,572$4.76M0.00%−46,722−11.0%Reduced
Citadel Advisors LLC393,734$4.95M0.00%+295,339+300.2%Added
Arrowstreet Capital, Limited Partnership455,647$5.73M0.00%+171,145+60.2%Added
Royal Bank of Canada457,402$5.75M0.00%−78,318−14.6%Reduced
Assenagon Asset Management S.A.457,952$5.76M0.01%−671,095−59.4%Reduced
Jacobs Levy Equity Management, Inc461,681$5.81M0.02%+402,489+680.0%Added
Nomura Holdings Inc464,176$5.84M0.05%−217,173−31.9%Reduced
Vanguard Fiduciary Trust Co522,530$6.57M0.00%+522,530New
Kerrisdale Advisers, LLC552,010$6.94M2.64%+552,010New
Connor, Clark & Lunn Investment Management Ltd.560,348$7.05M0.02%+195,122+53.4%Added
Point72 Asset Management, L.P.564,780$7.10M0.01%+143,394+34.0%Added
HRT Financial LP568,126$7.15M0.02%+21,967+4.0%Added
FMR LLC615,436$7.74M0.00%+417,558+211.0%Added
Charles Schwab Investment Management Inc624,112$7.85M0.00%−62,828−9.1%Reduced
1492 Capital Management LLC625,024$7.86M2.99%+39,747+6.8%Added
Tudor Investment Corp Et Al654,943$8.24M0.04%−292,565−30.9%Reduced
Northern Trust Corp659,248$8.29M0.00%+16,788+2.6%Added
Trexquant Investment LP684,909$8.62M0.06%+325,862+90.8%Added
Paradigm Capital Management Inc733,200$9.22M0.35%−396,709−35.1%Reduced
Kovack Advisors, Inc.736,000$9.37M0.50%−17,550−2.3%Reduced
Heartland Advisors Inc750,000$9.44M0.48%+750,000New
Westerly Capital Management, LLC800,000$10.1M3.10%+100,000+14.3%Added
AQR Capital Management LLC843,924$10.6M0.00%+607,012+256.2%Added