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ADTRAN (ADTN) Institutional Ownership

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$7.04 0.00 (0.00%)
Closing price 10/2/2026 04:00 PM Eastern
Extended Trading
$7.08 +0.04 (+0.54%)
As of 10/2/2026 07:55 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for ADTRAN (NASDAQ:ADTN)

Current
Institutional Ownership
Percentage
80.56%
Number of
Institutional Buyers
(last 12 months)
130
Total
Institutional Inflows
(last 12 months)
$404.01M
Number of
Institutional Sellers
(last 12 months)
68
Total
Institutional Outflows
(last 12 months)
$92.21M
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ADTN Institutional Buying and Selling by Quarter

ADTRAN Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Gratia Capital LLC250,492$3.48M2.1%N/A0.307%
9/9/2026Tidal Investments LLC115,014$1.60M0.0%+60.0%0.141%
9/9/2026Bienville Capital Management LLC127,247$1.77M0.2%N/A0.156%
9/9/2026Engineers Gate Manager LP198,697$2.76M0.0%-9.1%0.244%
9/9/2026Integrated Wealth Concepts LLC1,918$27K0.0%N/A0.002%
9/9/2026Squarepoint Ops LLC617,388$8.58M0.0%-30.5%0.758%
9/8/2026Waverly Advisors LLC28,472$396K0.0%-4.7%0.035%
8/27/2026Corient Private Wealth LP19,969$278K0.0%N/A0.025%
8/26/2026Amundi13,530$188K0.0%N/A0.017%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al28,100$391K0.0%N/A0.034%
8/20/2026Teza Capital Management LLC27,209$378K0.7%N/A0.033%
8/20/2026BTG Pactual Asset Management US LLC16,818$234K0.0%N/A0.021%
8/20/2026Kerrisdale Advisers LLC70,519$980K0.2%-87.2%0.087%
8/20/2026Headlands Technologies LLC72,358$1.01M0.1%+254.6%0.089%
8/20/2026Susquehanna Advisors Group Inc.73,870$1.03M0.0%-9.6%0.091%
8/20/2026GTS Securities LLC11,647$162K0.0%N/A0.014%
8/20/2026Hennessy Advisors Inc.526,300$7.32M0.2%N/A0.646%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC201,962$2.81M0.0%+6.2%0.248%
8/19/2026Hsbc Holdings PLC33,230$460K0.0%-65.9%0.041%
8/18/2026Empowered Funds LLC184,606$2.57M0.0%N/A0.227%
8/17/2026Corient Private Wealth LP14,394$200K0.0%N/A0.018%
8/17/2026Bank of America Corp DE845,421$11.75M0.0%N/A1.038%
8/15/2026Man Group plc102,762$1.43M0.0%N/A0.126%
8/15/2026Jupiter Topco LLC32,900$457K0.0%N/A0.040%
8/14/2026Hsbc Holdings PLC33,230$460K0.0%N/A0.041%
8/14/2026PDT Partners LLC53,641$746K0.0%N/A0.066%
8/14/2026Legal & General Group Plc75,243$1.05M0.0%N/A0.092%
8/14/2026The Manufacturers Life Insurance Company20,468$285K0.0%N/A0.025%
8/14/2026L2 Asset Management LLC10,244$142K0.0%N/A0.013%
8/13/2026Connor Clark & Lunn Investment Management Ltd.629,119$8.75M0.0%N/A0.772%
8/13/2026Globeflex Capital L P132,526$1.84M0.2%N/A0.163%
8/12/2026Quantbot Technologies LP46,025$640K0.0%N/A0.056%
8/12/2026William Blair Investment Management LLC1,099,019$15.28M0.0%N/A1.349%
8/12/2026Ieq Capital LLC14,571$203K0.0%N/A0.018%
8/12/2026Heartland Advisors Inc.750,000$10.43M0.5%N/A0.920%
8/11/2026NFJ Investment Group LLC208,413$2.90M0.1%N/A0.256%
8/11/2026Virtus Advisers LLC33,159$461K0.2%N/A0.041%
8/11/2026Lisanti Capital Growth LLC115,625$1.61M0.4%N/A0.142%
8/10/2026Tieton Capital Management LLC570,542$7.93M2.3%N/A0.700%
8/7/2026Focused Alpha LLC14,657$204K0.1%N/A0.018%
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8/7/2026BlackRock Inc.7,836,196$108.92M0.0%N/A9.617%
8/7/2026Deutsche Bank AG235,833$3.28M0.0%N/A0.289%
8/7/2026Persistent Asset Partners Ltd2,035$28K0.0%N/A0.002%
8/6/2026Bank of New York Mellon Corp255,026$3.55M0.0%N/A0.313%
8/6/2026State of Wyoming36,213$503K0.1%N/A0.044%
8/6/2026GSA Capital Partners LLP49,752$692K0.0%N/A0.061%
8/3/2026Walleye Trading LLC208,278$2.90M0.0%N/A0.256%
7/8/2026Assenagon Asset Management S.A.917,754$12.76M0.0%+100.4%1.133%
5/19/2026Bank of America Corp DE367,226$4.62M0.0%+12.4%0.453%
5/18/2026Royal Bank of Canada457,402$5.75M0.0%-14.6%0.565%
5/16/2026The Manufacturers Life Insurance Company20,188$254K0.0%-10.4%0.025%
5/16/2026Quantinno Capital Management LP52,455$660K0.0%+18.7%0.065%
5/15/2026Waverly Advisors LLC29,879$376K0.0%-5.6%0.037%
5/15/2026Granahan Investment Management LLC30,782$387K0.0%-43.9%0.038%
5/15/2026Entropy Technologies LP15,793$199K0.0%+53.6%0.019%
5/14/2026Renaissance Technologies LLC202,899$2.55M0.0%-19.4%0.250%
5/14/2026Paradigm Capital Management Inc. NY733,200$9.22M0.4%-35.1%0.905%
5/14/2026Arrowstreet Capital Limited Partnership455,647$5.73M0.0%+60.2%0.563%
5/14/2026Caxton Associates LLP24,497$308K0.0%N/A0.030%
5/14/2026Sei Investments Co.1,105,110$13.90M0.0%+162.0%1.364%
5/14/2026Group One Trading LLC26,275$331K0.0%+2,003.7%0.032%
5/14/2026Lido Advisors LLC129,330$1.63M0.0%+42.5%0.160%
5/14/2026Globeflex Capital L P132,417$1.67M0.3%+24.0%0.163%
5/7/2026Dimensional Fund Advisors LP1,337,028$16.82M0.0%+50.5%1.657%
5/7/2026Swiss National Bank142,600$1.79M0.0%+2.1%0.177%
5/7/2026Heartland Advisors Inc.750,000$9.44M0.5%N/A0.929%
5/5/2026Bank of New York Mellon Corp240,001$3.02M0.0%-3.6%0.297%
5/5/2026Hillsdale Investment Management Inc.22,900$288K0.0%-95.4%0.028%
4/30/2026Hsbc Holdings PLC97,411$1.23M0.0%+24.1%0.121%
4/27/2026Counterpoint Mutual Funds LLC32,721$412K0.1%N/A0.041%
4/27/2026Y Intercept Hong Kong Ltd52,099$655K0.0%+45.4%0.065%
4/23/2026Inspire Investing LLC182,522$2.30M0.2%+241.6%0.226%
4/22/20261492 Capital Management LLC625,024$7.86M3.0%+6.8%0.775%
4/20/2026OP Asset Management Ltd115,374$1.45M0.0%N/A0.143%
4/20/2026Assenagon Asset Management S.A.457,952$5.76M0.0%-59.4%0.567%
4/16/2026SG Americas Securities LLC1,316,049$16.56M0.0%+53.6%1.631%
4/16/2026Thompson Davis & CO. Inc.11,865$149K0.1%N/A0.015%
3/20/2026Hsbc Holdings PLC78,464$686K0.0%+29.8%0.097%
2/19/2026Invesco Ltd.246,809$2.15M0.0%-5.3%0.308%
2/18/2026Mackenzie Financial Corp361,607$3.19M0.0%+33.9%0.451%
2/18/2026XTX Topco Ltd66,690$580K0.0%+11.8%0.083%
2/18/2026Voloridge Investment Management LLC146,148$1.27M0.0%+685.0%0.182%
2/18/2026Susquehanna Portfolio Strategies LLC65,639$570K0.0%-17.7%0.082%
2/18/2026Tudor Investment Corp ET AL947,508$8.23M0.0%+5.6%1.183%
2/18/2026Twinbeech Capital LP11,100$96K0.0%N/A0.014%
2/18/2026Polymer Capital Management US LLC10,363$90K0.0%-71.9%0.013%
2/18/2026Numerai GP LLC74,520$648K0.1%+428.9%0.093%
2/18/2026Ophir Asset Management Pty Ltd1,069,420$9.29M1.0%-11.2%1.335%
2/18/2026Millennium Management LLC2,694,800$23.42M0.0%+371.2%3.363%
2/18/2026Man Group plc174,674$1.52M0.0%-59.4%0.218%
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2/18/2026Inspire Investing LLC53,434$464K0.0%+10.9%0.067%
2/18/2026Engineers Gate Manager LP153,448$1.33M0.0%+352.0%0.192%
2/18/2026Balyasny Asset Management L.P.102,503$891K0.0%-63.1%0.128%
2/18/2026Boothbay Fund Management LLC101,822$885K0.0%-7.1%0.127%
2/17/2026Freestone Grove Partners LP10,022$87K0.0%N/A0.013%
2/17/2026PDT Partners LLC20,755$180K0.0%N/A0.026%
2/17/2026AQR Capital Management LLC236,912$2.06M0.0%+34.3%0.296%
2/17/2026Lazard Asset Management LLC45,238$393K0.0%N/A0.056%
2/17/2026Jain Global LLC64,780$563K0.0%+63.5%0.081%
2/17/2026Westerly Capital Management LLC700,000$6.08M1.3%-23.9%0.874%


ADTN Institutional Ownership - Frequently Asked Questions

During the previous two years, 226 institutional investors and hedge funds held shares of ADTRAN. The most heavily invested institutionals were BlackRock Inc. ($108.92M), Vanguard Group Inc. ($71.16M), Divisar Capital Management LLC ($30.14M), DNB Asset Management AS ($27.15M), Millennium Management LLC ($23.42M), Royce & Associates LP ($22.57M), and State Street Corp ($17.26M).Learn more on ADTRAN's institutional investors.

80.56% of ADTRAN's stock is owned by institutional investors. Learn more on ADTN's institutional investor holdings.

Of the 200 institutional investors that purchased ADTRAN's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($7.84M), Millennium Management LLC ($2.49M), Assenagon Asset Management S.A. ($2.36M), Schonfeld Strategic Advisors LLC ($2.32M), Royce & Associates LP ($1.90M), Alyeska Investment Group L.P. ($1.53M), and Tudor Investment Corp ET AL ($1.51M).

Institutional investors have bought a total of 35,340,471 shares in the last 24 months. This purchase volume represents approximately $404.01M in transactions.

Of the 68 institutional investors that sold ADTRAN's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Divisar Capital Management LLC ($1.02M), Assenagon Asset Management S.A. ($671.10K), Granahan Investment Management LLC ($551.71K), Alyeska Investment Group L.P. ($538.57K), Hillsdale Investment Management Inc. ($511.42K), Kerrisdale Advisers LLC ($481.49K), and William Blair Investment Management LLC ($423.91K).

Institutional investors have sold a total of 9,137,373 shares in the last 24 months. This volume of shares sold represents approximately $92.21M in transactions.


Related Companies

Institutional ownership data for NASDAQ:ADTN is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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