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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
Vanguard Group Inc8,166,157$73.3M0.00%+1,072,226+15.1%Added
BlackRock, Inc.8,058,350$72.3M0.00%+459,631+6.0%Added
Divisar Capital Management LLC4,229,362$37.9M8.78%+800,499+23.3%Added
William Blair Investment Management, LLC2,902,526$26.0M0.07%−236,577−7.5%Reduced
DnB Asset Management AS2,729,515$24.5M0.10%−822,091−23.1%Reduced
Royce & Associates LP2,102,070$18.9M0.19%+695,570+49.5%Added
State Street Corp1,855,480$16.6M0.00%−60,982−3.2%Reduced
Geode Capital Management, LLC1,749,306$15.7M0.00%−76,956−4.2%Reduced
First Eagle Investment Management, LLC1,133,607$10.2M0.02%−10,500−0.9%Reduced
Needham Investment Management LLC1,120,000$10.0M0.80%00.0%Unchanged
Westerly Capital Management, LLC975,000$8.75M3.71%+140,000+16.8%Added
Tieton Capital Management, LLC952,492$8.54M3.34%−8,247−0.9%Reduced
Morgan Stanley943,998$8.47M0.00%−98,731−9.5%Reduced
SG Capital Management LLC847,417$7.60M0.65%+847,417New
Marshall Wace, LLP816,533$7.32M0.01%+382,609+88.2%Added
Federated Hermes, Inc.767,743$6.89M0.01%+5,224+0.7%Added
Kovack Advisors, Inc.714,200$6.41M0.63%+22,950+3.3%Added
Qube Research & Technologies Ltd686,711$6.16M0.01%+360,841+110.7%Added
Charles Schwab Investment Management Inc682,069$6.12M0.00%−22,203−3.2%Reduced
Northern Trust Corp677,409$6.08M0.00%−67,006−9.0%Reduced
Renaissance Technologies LLC668,840$6.00M0.01%−149,289−18.2%Reduced
Bank of America Corp646,367$5.80M0.00%+139,324+27.5%Added
Squarepoint Ops LLC630,846$5.66M0.01%+227,448+56.4%Added
Barclays PLC594,593$5.33M0.00%+136,660+29.8%Added
Hillsdale Investment Management Inc.534,320$4.79M0.18%+148,220+38.4%Added
Goldman Sachs Group Inc512,184$4.59M0.00%+139,273+37.3%Added
1492 Capital Management LLC472,980$4.24M1.95%−7,268−1.5%Reduced
JPMorgan Chase & Co456,479$4.09M0.00%−140,168−23.5%Reduced
Dimensional Fund Advisors LP440,008$3.95M0.00%−1,996−0.5%Reduced
Citadel Advisors LLC405,046$3.63M0.00%+120,460+42.3%Added
Man Group plc392,799$3.52M0.01%+285,105+264.7%Added
Nierenberg Investment Management Company, Inc.343,110$3.08M1.80%−92,000−21.1%Reduced
Alliancebernstein L.P.333,610$2.99M0.00%+146,258+78.1%Added
UBS Group AG293,284$2.63M0.00%+171,876+141.6%Added
Trexquant Investment LP289,962$2.60M0.03%−103,534−26.3%Reduced
Y-Intercept (Hong Kong) Ltd287,459$2.58M0.06%+287,459New
Invesco Ltd.283,133$2.54M0.00%−900,047−76.1%Reduced
Cubist Systematic Strategies, LLC278,933$2.50M0.03%−170,125−37.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.277,820$2.49M0.01%+110,230+65.8%Added
Ameriprise Financial Inc262,926$2.36M0.00%−9,012−3.3%Reduced
AQR Capital Management LLC244,334$2.19M0.00%−104,144−29.9%Reduced
Walleye Capital LLC238,963$2.14M0.02%+234,212+4,929.7%Added
Raymond James Financial Inc238,757$2.14M0.00%−142,141−37.3%Reduced
SG Americas Securities, LLC237,207$2.13M0.01%+3,370+1.4%Added
State of Wisconsin Investment Board231,106$2.07M0.01%+194,043+523.5%Added
White Pine Capital LLC230,445$2.07M0.66%+3,485+1.5%Added
Mackenzie Financial Corp229,137$2.06M0.00%+153,482+202.9%Added
Manatuck Hill Partners, LLC228,039$2.05M0.77%+228,039New
HRT Financial LP227,539$2.04M0.01%+197,144+648.6%Added
American Century Companies Inc224,015$2.01M0.00%+22,524+11.2%Added
Bank of New York Mellon Corp216,543$1.94M0.00%−586,080−73.0%Reduced
Millennium Management LLC206,436$1.85M0.00%+85,174+70.2%Added
Granahan Investment Management Inc200,320$1.80M0.07%+164,227+455.0%Added
Herald Investment Management Ltd200,000$1.79M0.27%00.0%Unchanged
Norges Bank198,100$1.78M0.00%+198,100New
Nuveen, LLC185,301$1.66M0.00%−42,899−18.8%Reduced
UBS Asset Management Americas Inc179,152$1.61M0.00%+103,783+137.7%Added
Lazard Asset Management LLC176,300$1.58M0.00%+176,300New
Tudor Investment Corp Et Al167,921$1.51M0.01%−311,247−65.0%Reduced
Jump Financial, LLC163,937$1.47M0.02%+163,937New
Algert Global LLC157,650$1.41M0.03%00.0%Unchanged
Swiss National Bank137,400$1.23M0.00%−8,600−5.9%Reduced
Susquehanna Fundamental Investments, LLC129,008$1.16M0.03%−13,089−9.2%Reduced
Susquehanna International Group, LLP124,513$1.12M0.00%−71,059−36.3%Reduced
Paradigm Capital Management Inc120,000$1.08M0.05%+40,000+50.0%Added
Skandinaviska Enskilda Banken AB (publ)118,636$1.06M0.00%−1,782−1.5%Reduced
Assenagon Asset Management S.A.117,816$1.06M0.00%00.0%Unchanged
Rhumbline Advisers116,661$1.05M0.00%−5,386−4.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund115,800$1.04M0.00%00.0%Unchanged
Legal & General Group Plc113,480$1.02M0.00%+13,821+13.9%Added
Verition Fund Management LLC109,883$985.7K0.01%+24,357+28.5%Added
Price T Rowe Associates Inc103,291$927.0K0.00%+1,956+1.9%Added
Victory Capital Management Inc100,814$904.3K0.00%−2,986−2.9%Reduced
Teacher Retirement System of Texas99,711$894.4K0.00%+34,305+52.4%Added
Susquehanna Advisors Group, Inc.92,112$826.2K0.03%−5,536−5.7%Reduced
Lido Advisors, LLC90,732$813.9K0.00%−78−0.1%Reduced
Russell Investments Group, Ltd.88,384$792.8K0.00%+13,222+17.6%Added
Boothbay Fund Management, LLC82,527$740.3K0.02%+21,858+36.0%Added
Susquehanna Portfolio Strategies, LLC81,264$728.9K0.02%+67,614+495.3%Added
Two Sigma Investments, LP79,864$716.4K0.00%+4,662+6.2%Added
Jacobs Levy Equity Management, Inc73,103$655.7K0.00%−76,799−51.2%Reduced
California State Teachers Retirement System71,104$637.8K0.00%−1,188−1.6%Reduced
Koesten, Hirschmann & Crabtree, INC.70,448$631.9K0.33%00.0%Unchanged
STRS Ohio67,900$609.1K0.00%+3,700+5.8%Added
BNP Paribas Arbitrage, SA67,702$607.3K0.00%−1,187−1.7%Reduced
Massachusetts Financial Services Co67,010$601.1K0.00%+827+1.2%Added
HSBC Holdings PLC67,322$599.8K0.00%+29,141+76.3%Added
Creative Planning63,774$572.1K0.00%+3,424+5.7%Added
Occudo Quantitative Strategies LP63,686$571.3K0.06%+63,686New
Caxton Associates LLP60,754$545.0K0.01%−31,639−34.2%Reduced
Deutsche Bank AG58,259$522.6K0.00%−8,991−13.4%Reduced
Dynamic Technology Lab Private Ltd56,298$505.0K0.07%+10,272+22.3%Added
Brevan Howard Capital Management LP55,951$501.9K0.01%+55,951New
Graham Capital Management, L.P.55,589$498.6K0.02%−23,063−29.3%Reduced
Voya Investment Management LLC52,268$468.8K0.00%+11,585+28.5%Added
Gotham Asset Management, LLC52,018$466.6K0.00%+32,777+170.3%Added
Franklin Resources Inc51,342$460.5K0.00%+25,475+98.5%Added
Versor Investments LP46,700$418.9K0.07%+46,700New
Los Angeles Capital Management LLC46,629$418.3K0.00%+46,629New
MetLife Investment Management45,839$411.2K0.00%00.0%Unchanged