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ADTN Insider Trading

Insider Ownership Percentage: 2.16%
Insider Buying (Last 12 Months): $449,754.03
Insider Selling (Last 12 Months): $0.00

ADTRAN Insider Trading History Chart

This chart shows the insider buying and selling history at ADTRAN by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

ADTRAN Share Price & Price History

Current Price: $7.10
Price Change: ▲ Price Increase of +0.01 (0.14%)
As of 09/17/2026 04:00 PM ET

This chart shows the closing price history over time for ADTN up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

ADTRAN Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/28/2025Timothy P SantoCFOBuy6,150$8.02$49,323.0026,594View SEC Filing Icon  
11/26/2025Nikos TheodosopoulosDirectorBuy12,859$7.81$100,428.7952,154View SEC Filing Icon  
11/24/2025Thomas R StantonCEOBuy40,928$7.33$300,002.24982,096View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for ADTRAN (NASDAQ:ADTN)

80.56% of ADTRAN stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ADTN by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

ADTRAN Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Gratia Capital LLC250,492$3.48M2.1%N/A0.307%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC115,014$1.60M0.0%+60.0%0.141%Search for SEC Filing on Google Icon
9/9/2026Bienville Capital Management LLC127,247$1.77M0.2%N/A0.156%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP198,697$2.76M0.0%-9.1%0.244%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC1,918$27K0.0%N/A0.002%Search for SEC Filing on Google Icon
9/9/2026Squarepoint Ops LLC617,388$8.58M0.0%-30.5%0.758%Search for SEC Filing on Google Icon
9/8/2026Waverly Advisors LLC28,472$0.40M0.0%-4.7%0.035%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP19,969$0.28M0.0%N/A0.025%Search for SEC Filing on Google Icon
8/26/2026Amundi13,530$0.19M0.0%N/A0.017%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al28,100$0.39M0.0%N/A0.034%Search for SEC Filing on Google Icon
8/20/2026Teza Capital Management LLC27,209$0.38M0.7%N/A0.033%Search for SEC Filing on Google Icon
8/20/2026BTG Pactual Asset Management US LLC16,818$0.23M0.0%N/A0.021%Search for SEC Filing on Google Icon
8/20/2026Kerrisdale Advisers LLC70,519$0.98M0.2%-87.2%0.087%Search for SEC Filing on Google Icon
8/20/2026Headlands Technologies LLC72,358$1.01M0.1%+254.6%0.089%Search for SEC Filing on Google Icon
8/20/2026Susquehanna Advisors Group Inc.73,870$1.03M0.0%-9.6%0.091%Search for SEC Filing on Google Icon
8/20/2026GTS Securities LLC11,647$0.16M0.0%N/A0.014%Search for SEC Filing on Google Icon
8/20/2026Hennessy Advisors Inc.526,300$7.32M0.2%N/A0.646%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC201,962$2.81M0.0%+6.2%0.248%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC33,230$0.46M0.0%-65.9%0.041%Search for SEC Filing on Google Icon
8/18/2026Empowered Funds LLC184,606$2.57M0.0%N/A0.227%Search for SEC Filing on Google Icon
8/17/2026Corient Private Wealth LP14,394$0.20M0.0%N/A0.018%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE845,421$11.75M0.0%N/A1.038%Search for SEC Filing on Google Icon
8/15/2026Man Group plc102,762$1.43M0.0%N/A0.126%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC32,900$0.46M0.0%N/A0.040%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC33,230$0.46M0.0%N/A0.041%Search for SEC Filing on Google Icon
8/14/2026PDT Partners LLC53,641$0.75M0.0%N/A0.066%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc75,243$1.05M0.0%N/A0.092%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company20,468$0.29M0.0%N/A0.025%Search for SEC Filing on Google Icon
8/14/2026L2 Asset Management LLC10,244$0.14M0.0%N/A0.013%Search for SEC Filing on Google Icon
8/13/2026Connor Clark & Lunn Investment Management Ltd.629,119$8.75M0.0%N/A0.772%Search for SEC Filing on Google Icon
8/13/2026Globeflex Capital L P132,526$1.84M0.2%N/A0.163%Search for SEC Filing on Google Icon
8/12/2026Quantbot Technologies LP46,025$0.64M0.0%N/A0.056%Search for SEC Filing on Google Icon
8/12/2026William Blair Investment Management LLC1,099,019$15.28M0.0%N/A1.349%Search for SEC Filing on Google Icon
8/12/2026Ieq Capital LLC14,571$0.20M0.0%N/A0.018%Search for SEC Filing on Google Icon
8/12/2026Heartland Advisors Inc.750,000$10.43M0.5%N/A0.920%Search for SEC Filing on Google Icon
8/11/2026NFJ Investment Group LLC208,413$2.90M0.1%N/A0.256%Search for SEC Filing on Google Icon
8/11/2026Virtus Advisers LLC33,159$0.46M0.2%N/A0.041%Search for SEC Filing on Google Icon
8/11/2026Lisanti Capital Growth LLC115,625$1.61M0.4%N/A0.142%Search for SEC Filing on Google Icon
8/10/2026Tieton Capital Management LLC570,542$7.93M2.3%N/A0.700%Search for SEC Filing on Google Icon
8/7/2026Focused Alpha LLC14,657$0.20M0.1%N/A0.018%Search for SEC Filing on Google Icon
8/7/2026BlackRock Inc.7,836,196$108.92M0.0%N/A9.617%Search for SEC Filing on Google Icon
8/7/2026Deutsche Bank AG235,833$3.28M0.0%N/A0.289%Search for SEC Filing on Google Icon
8/7/2026Persistent Asset Partners Ltd2,035$28K0.0%N/A0.002%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp255,026$3.55M0.0%N/A0.313%Search for SEC Filing on Google Icon
8/6/2026State of Wyoming36,213$0.50M0.1%N/A0.044%Search for SEC Filing on Google Icon
8/6/2026GSA Capital Partners LLP49,752$0.69M0.0%N/A0.061%Search for SEC Filing on Google Icon
8/3/2026Walleye Trading LLC208,278$2.90M0.0%N/A0.256%Search for SEC Filing on Google Icon
7/8/2026Assenagon Asset Management S.A.917,754$12.76M0.0%+100.4%1.133%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE367,226$4.62M0.0%+12.4%0.453%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada457,402$5.75M0.0%-14.6%0.565%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company20,188$0.25M0.0%-10.4%0.025%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP52,455$0.66M0.0%+18.7%0.065%Search for SEC Filing on Google Icon
5/15/2026Waverly Advisors LLC29,879$0.38M0.0%-5.6%0.037%Search for SEC Filing on Google Icon
5/15/2026Granahan Investment Management LLC30,782$0.39M0.0%-43.9%0.038%Search for SEC Filing on Google Icon
5/15/2026Entropy Technologies LP15,793$0.20M0.0%+53.6%0.019%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC202,899$2.55M0.0%-19.4%0.250%Search for SEC Filing on Google Icon
5/14/2026Paradigm Capital Management Inc. NY733,200$9.22M0.4%-35.1%0.905%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership455,647$5.73M0.0%+60.2%0.563%Search for SEC Filing on Google Icon
5/14/2026Caxton Associates LLP24,497$0.31M0.0%N/A0.030%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.1,105,110$13.90M0.0%+162.0%1.364%Search for SEC Filing on Google Icon
5/14/2026Group One Trading LLC26,275$0.33M0.0%+2,003.7%0.032%Search for SEC Filing on Google Icon
5/14/2026Lido Advisors LLC129,330$1.63M0.0%+42.5%0.160%Search for SEC Filing on Google Icon
5/14/2026Globeflex Capital L P132,417$1.67M0.3%+24.0%0.163%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,337,028$16.82M0.0%+50.5%1.657%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank142,600$1.79M0.0%+2.1%0.177%Search for SEC Filing on Google Icon
5/7/2026Heartland Advisors Inc.750,000$9.44M0.5%N/A0.929%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp240,001$3.02M0.0%-3.6%0.297%Search for SEC Filing on Google Icon
5/5/2026Hillsdale Investment Management Inc.22,900$0.29M0.0%-95.4%0.028%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC97,411$1.23M0.0%+24.1%0.121%Search for SEC Filing on Google Icon
4/27/2026Counterpoint Mutual Funds LLC32,721$0.41M0.1%N/A0.041%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd52,099$0.66M0.0%+45.4%0.065%Search for SEC Filing on Google Icon
4/23/2026Inspire Investing LLC182,522$2.30M0.2%+241.6%0.226%Search for SEC Filing on Google Icon
4/22/20261492 Capital Management LLC625,024$7.86M3.0%+6.8%0.775%Search for SEC Filing on Google Icon
4/20/2026OP Asset Management Ltd115,374$1.45M0.0%N/A0.143%Search for SEC Filing on Google Icon
4/20/2026Assenagon Asset Management S.A.457,952$5.76M0.0%-59.4%0.567%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC1,316,049$16.56M0.0%+53.6%1.631%Search for SEC Filing on Google Icon
4/16/2026Thompson Davis & CO. Inc.11,865$0.15M0.1%N/A0.015%Search for SEC Filing on Google Icon
3/20/2026Hsbc Holdings PLC78,464$0.69M0.0%+29.8%0.097%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.246,809$2.15M0.0%-5.3%0.308%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp361,607$3.19M0.0%+33.9%0.451%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd66,690$0.58M0.0%+11.8%0.083%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC146,148$1.27M0.0%+685.0%0.182%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Portfolio Strategies LLC65,639$0.57M0.0%-17.7%0.082%Search for SEC Filing on Google Icon
2/18/2026Tudor Investment Corp ET AL947,508$8.23M0.0%+5.6%1.183%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP11,100$96K0.0%N/A0.014%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC10,363$90K0.0%-71.9%0.013%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC74,520$0.65M0.1%+428.9%0.093%Search for SEC Filing on Google Icon
2/18/2026Ophir Asset Management Pty Ltd1,069,420$9.29M1.0%-11.2%1.335%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC2,694,800$23.42M0.0%+371.2%3.363%Search for SEC Filing on Google Icon
2/18/2026Man Group plc174,674$1.52M0.0%-59.4%0.218%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC53,434$0.46M0.0%+10.9%0.067%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP153,448$1.33M0.0%+352.0%0.192%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.102,503$0.89M0.0%-63.1%0.128%Search for SEC Filing on Google Icon
2/18/2026Boothbay Fund Management LLC101,822$0.89M0.0%-7.1%0.127%Search for SEC Filing on Google Icon
2/17/2026Freestone Grove Partners LP10,022$87K0.0%N/A0.013%Search for SEC Filing on Google Icon
2/17/2026PDT Partners LLC20,755$0.18M0.0%N/A0.026%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC236,912$2.06M0.0%+34.3%0.296%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC45,238$0.39M0.0%N/A0.056%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC64,780$0.56M0.0%+63.5%0.081%Search for SEC Filing on Google Icon
2/17/2026Westerly Capital Management LLC700,000$6.08M1.3%-23.9%0.874%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
ADTRAN logo
ADTRAN Holdings, Inc., through its subsidiaries, provides networking and communications platforms, software, systems, and services in the United States, Germany, the United Kingdom, and internationally. It operates through two segments, Network Solutions, and Services & Support. It offers residential gateways; ethernet passive optical network ONUs; gigabit passive optical network/XGS-PON ONTs; traditional SSE, routers, and switches; edge cloud; carrier ethernet network interface devices; Optical Line Terminals; Packet Aggregation, Copper Access, and Oscilloquartz; optical transport and engine solutions; infrastructure monitoring solution; and training, professional, software, and managed services. The company also provides various software, such as Mosaic One SaaS, n-Command, Procloud, MCP, AOE and ACI-E, and Ensemble Controller. It serves large, medium, and small service providers; alternative service providers, such as utilities, municipalities and fiber overbuilders; cable/MSOs; and SMBs and distributed enterprises. ADTRAN Holdings, Inc. was incorporated in 1985 and is headquartered in Huntsville, Alabama.
Read More on ADTRAN

Today's Range

Now: $7.10
Low: $7.08
High: $7.33

50 Day Range

MA: $8.80
Low: $7.04
High: $13.54

52 Week Range

Now: $7.10
Low: $6.96
High: $19.98

Volume

1,829,671 shs

Average Volume

2,036,205 shs

Market Capitalization

$578.51 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.47

Who are the company insiders with the largest holdings of ADTRAN?

ADTRAN's top insider shareholders include:
  1. Thomas R Stanton (CEO)
  2. Brian Protiva (CEO)
  3. Nikos Theodosopoulos (Director)
  4. Balan Nair (Director)
  5. Timothy P Santo (CFO)
  6. Daniel T Whalen (Insider)
  7. Gregory James Mccray (Director)
  8. Marc Kimpe (SVP)
  9. Roger D Shannon (VP)
  10. James Denson Wilson Jr (SVP)
Learn More about top insider investors at ADTRAN.

Who are the major institutional investors of ADTRAN?

ADTRAN's top institutional shareholders include:
  1. BlackRock Inc. — 9.62%
  2. William Blair Investment Management LLC — 1.35%
  3. Assenagon Asset Management S.A. — 1.13%
  4. Bank of America Corp DE — 1.04%
  5. Heartland Advisors Inc. — 0.92%
  6. Connor Clark & Lunn Investment Management Ltd. — 0.77%
Learn More about top institutional investors of ADTRAN stock.

Which major investors are selling ADTRAN stock?

In the previous quarter, ADTN stock was sold by these institutional investors:
  1. Kerrisdale Advisers LLC
  2. Squarepoint Ops LLC
  3. Hsbc Holdings PLC
  4. Engineers Gate Manager LP
  5. Susquehanna Advisors Group Inc.
  6. Waverly Advisors LLC

Which major investors are buying ADTRAN stock?

In the last quarter, ADTN stock was acquired by institutional investors including:
  1. BlackRock Inc.
  2. William Blair Investment Management LLC
  3. Bank of America Corp DE
  4. Heartland Advisors Inc.
  5. Connor Clark & Lunn Investment Management Ltd.
  6. Tieton Capital Management LLC
  7. Hennessy Advisors Inc.
  8. Assenagon Asset Management S.A.
In the previous year, these company insiders have bought ADTRAN stock:
  1. Thomas R Stanton (CEO)
  2. Nikos Theodosopoulos (Director)
  3. Timothy P Santo (CFO)
Learn More investors buying ADTRAN stock.

ADTRAN Active Insiders

Thomas R Stanton
Thomas R Stanton (Age 61)
CEO
Timothy P Santo
Timothy P Santo (Age 49)
CFO
Balan Nair
Balan Nair
Director
Nikos Theodosopoulos
Nikos Theodosopoulos
Director
Marc Kimpe (Age 56)
SVP