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ADTRAN (ADTN) Institutional Ownership

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$7.04 -0.50 (-6.63%)
Closing price 04:00 PM Eastern
Extended Trading
$7.12 +0.09 (+1.21%)
As of 07:36 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)
$419.05M
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
9/9/2026 Gratia Capital LLC250,492$3.48M2.1%N/A0.307%
9/9/2026 Tidal Investments LLC115,014$1.60M0.0%+60.0%0.141%
9/9/2026 Bienville Capital Management LLC127,247$1.77M0.2%N/A0.156%
9/9/2026 Engineers Gate Manager LP198,697$2.76M0.0%-9.1%0.244%
9/9/2026 Integrated Wealth Concepts LLC1,918$27K0.0%N/A0.002%
9/9/2026 Squarepoint Ops LLC617,388$8.58M0.0%-30.5%0.758%
9/8/2026 Waverly Advisors LLC28,472$396K0.0%-4.7%0.035%
8/27/2026 Corient Private Wealth LP19,969$278K0.0%N/A0.025%
8/26/2026 Amundi13,530$188K0.0%N/A0.017%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al28,100$391K0.0%N/A0.034%
8/24/2026 California State Teachers Retirement System1,154,200$16.04M0.0%+1,502.5%1.417%
8/20/2026 Teza Capital Management LLC27,209$378K0.7%N/A0.033%
8/20/2026 BTG Pactual Asset Management US LLC16,818$234K0.0%N/A0.021%
8/20/2026 Kerrisdale Advisers LLC70,519$980K0.2%-87.2%0.087%
8/20/2026 Headlands Technologies LLC72,358$1.01M0.1%+254.6%0.089%
8/20/2026 Susquehanna Advisors Group Inc.73,870$1.03M0.0%-9.6%0.091%
8/20/2026 GTS Securities LLC11,647$162K0.0%N/A0.014%
8/20/2026 Hennessy Advisors Inc.526,300$7.32M0.2%N/A0.646%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC201,962$2.81M0.0%+6.2%0.248%
8/19/2026 Hsbc Holdings PLC33,230$460K0.0%-65.9%0.041%
8/18/2026 Empowered Funds LLC184,606$2.57M0.0%N/A0.227%
8/17/2026 Corient Private Wealth LP14,394$200K0.0%N/A0.018%
8/17/2026 Bank of America Corp DE845,421$11.75M0.0%N/A1.038%
8/15/2026 Man Group plc102,762$1.43M0.0%N/A0.126%
8/15/2026 Jupiter Topco LLC32,900$457K0.0%N/A0.040%
8/14/2026 Hsbc Holdings PLC33,230$460K0.0%N/A0.041%
8/14/2026 PDT Partners LLC53,641$746K0.0%N/A0.066%
8/14/2026 Legal & General Group Plc75,243$1.05M0.0%N/A0.092%
8/14/2026 The Manufacturers Life Insurance Company20,468$285K0.0%N/A0.025%
8/14/2026 L2 Asset Management LLC10,244$142K0.0%N/A0.013%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.629,119$8.75M0.0%N/A0.772%
8/13/2026 Globeflex Capital L P132,526$1.84M0.2%N/A0.163%
8/12/2026 Quantbot Technologies LP46,025$640K0.0%N/A0.056%
8/12/2026 William Blair Investment Management LLC1,099,019$15.28M0.0%N/A1.349%
8/12/2026 Ieq Capital LLC14,571$203K0.0%N/A0.018%
8/12/2026 Heartland Advisors Inc.750,000$10.43M0.5%N/A0.920%
8/11/2026 NFJ Investment Group LLC208,413$2.90M0.1%N/A0.256%
8/11/2026 Virtus Advisers LLC33,159$461K0.2%N/A0.041%
8/11/2026 Lisanti Capital Growth LLC115,625$1.61M0.4%N/A0.142%
8/10/2026 Tieton Capital Management LLC570,542$7.93M2.3%N/A0.700%
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8/7/2026 Focused Alpha LLC14,657$204K0.1%N/A0.018%
8/7/2026 BlackRock Inc.7,836,196$108.92M0.0%N/A9.617%
8/7/2026 Deutsche Bank AG235,833$3.28M0.0%N/A0.289%
8/7/2026 Persistent Asset Partners Ltd2,035$28K0.0%N/A0.002%
8/6/2026 Bank of New York Mellon Corp255,026$3.55M0.0%N/A0.313%
8/6/2026 State of Wyoming36,213$503K0.1%N/A0.044%
8/6/2026 GSA Capital Partners LLP49,752$692K0.0%N/A0.061%
8/3/2026 Walleye Trading LLC208,278$2.90M0.0%N/A0.256%
7/8/2026 Assenagon Asset Management S.A.917,754$12.76M0.0%+100.4%1.133%
5/19/2026 Bank of America Corp DE367,226$4.62M0.0%+12.4%0.453%
5/18/2026 Royal Bank of Canada457,402$5.75M0.0%-14.6%0.565%
5/16/2026 The Manufacturers Life Insurance Company20,188$254K0.0%-10.4%0.025%
5/16/2026 Quantinno Capital Management LP52,455$660K0.0%+18.7%0.065%
5/15/2026 Waverly Advisors LLC29,879$376K0.0%-5.6%0.037%
5/15/2026 Granahan Investment Management LLC30,782$387K0.0%-43.9%0.038%
5/15/2026 Entropy Technologies LP15,793$199K0.0%+53.6%0.019%
5/14/2026 Renaissance Technologies LLC202,899$2.55M0.0%-19.4%0.250%
5/14/2026 Paradigm Capital Management Inc. NY733,200$9.22M0.4%-35.1%0.905%
5/14/2026 Arrowstreet Capital Limited Partnership455,647$5.73M0.0%+60.2%0.563%
5/14/2026 Caxton Associates LLP24,497$308K0.0%N/A0.030%
5/14/2026 Sei Investments Co.1,105,110$13.90M0.0%+162.0%1.364%
5/14/2026 Group One Trading LLC26,275$331K0.0%+2,003.7%0.032%
5/14/2026 Lido Advisors LLC129,330$1.63M0.0%+42.5%0.160%
5/14/2026 Globeflex Capital L P132,417$1.67M0.3%+24.0%0.163%
5/7/2026 Dimensional Fund Advisors LP1,337,028$16.82M0.0%+50.5%1.657%
5/7/2026 Swiss National Bank142,600$1.79M0.0%+2.1%0.177%
5/7/2026 Heartland Advisors Inc.750,000$9.44M0.5%N/A0.929%
5/5/2026 Bank of New York Mellon Corp240,001$3.02M0.0%-3.6%0.297%
5/5/2026 Hillsdale Investment Management Inc.22,900$288K0.0%-95.4%0.028%
4/30/2026 Hsbc Holdings PLC97,411$1.23M0.0%+24.1%0.121%
4/27/2026 Counterpoint Mutual Funds LLC32,721$412K0.1%N/A0.041%
4/27/2026 Y Intercept Hong Kong Ltd52,099$655K0.0%+45.4%0.065%
4/23/2026 Inspire Investing LLC182,522$2.30M0.2%+241.6%0.226%
4/22/2026 1492 Capital Management LLC625,024$7.86M3.0%+6.8%0.775%
4/20/2026 OP Asset Management Ltd115,374$1.45M0.0%N/A0.143%
4/20/2026 Assenagon Asset Management S.A.457,952$5.76M0.0%-59.4%0.567%
4/16/2026 SG Americas Securities LLC1,316,049$16.56M0.0%+53.6%1.631%
4/16/2026 Thompson Davis & CO. Inc.11,865$149K0.1%N/A0.015%
3/20/2026 Hsbc Holdings PLC78,464$686K0.0%+29.8%0.097%
2/19/2026 Invesco Ltd.246,809$2.15M0.0%-5.3%0.308%
2/18/2026 Mackenzie Financial Corp361,607$3.19M0.0%+33.9%0.451%
2/18/2026 XTX Topco Ltd66,690$580K0.0%+11.8%0.083%
2/18/2026 Voloridge Investment Management LLC146,148$1.27M0.0%+685.0%0.182%
2/18/2026 Susquehanna Portfolio Strategies LLC65,639$570K0.0%-17.7%0.082%
2/18/2026 Tudor Investment Corp ET AL947,508$8.23M0.0%+5.6%1.183%
2/18/2026 Twinbeech Capital LP11,100$96K0.0%N/A0.014%
2/18/2026 Polymer Capital Management US LLC10,363$90K0.0%-71.9%0.013%
2/18/2026 Numerai GP LLC74,520$648K0.1%+428.9%0.093%
2/18/2026 Ophir Asset Management Pty Ltd1,069,420$9.29M1.0%-11.2%1.335%
2/18/2026 Millennium Management LLC2,694,800$23.42M0.0%+371.2%3.363%
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2/18/2026 Man Group plc174,674$1.52M0.0%-59.4%0.218%
2/18/2026 Inspire Investing LLC53,434$464K0.0%+10.9%0.067%
2/18/2026 Engineers Gate Manager LP153,448$1.33M0.0%+352.0%0.192%
2/18/2026 Balyasny Asset Management L.P.102,503$891K0.0%-63.1%0.128%
2/18/2026 Boothbay Fund Management LLC101,822$885K0.0%-7.1%0.127%
2/17/2026 Freestone Grove Partners LP10,022$87K0.0%N/A0.013%
2/17/2026 PDT Partners LLC20,755$180K0.0%N/A0.026%
2/17/2026 AQR Capital Management LLC236,912$2.06M0.0%+34.3%0.296%
2/17/2026 Lazard Asset Management LLC45,238$393K0.0%N/A0.056%
2/17/2026 Jain Global LLC64,780$563K0.0%+63.5%0.081%


ADTN Institutional Ownership - Frequently Asked Questions

During the previous two years, 227 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 201 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 36,422,648 shares in the last 24 months. This purchase volume represents approximately $419.05M 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.


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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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