$ADTN stock is down 18% today. Here's what we see in our data.

$ADTN stock has now fallen 18% today, according to our price data from Polygon. There has been approximately $32,432,455 of trading volume.

Here is what we see in our data on $ADTN (you can track the company live on Quiver's $ADTN stock page):

$ADTN Insider Trading Activity

$ADTN insiders have traded $ADTN stock on the open market 4 times in the past 6 months. Of those trades, 3 have been purchases and 1 have been sales.

Here’s a breakdown of recent trading of $ADTN stock by insiders over the last 6 months:

THOMAS R STANTON (Chairman & CEO) purchased 40,928 shares for an estimated $300,002
HOURIGAN RICE JACQUELINE sold 14,406 shares for an estimated $148,237
NIKOS THEODOSOPOULOS purchased 12,859 shares for an estimated $100,428
TIMOTHY P SANTO (SVP of Finance; CFO) purchased 6,150 shares for an estimated $49,323

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API.

$ADTN Hedge Fund Activity

We have seen 99 institutional investors add shares of $ADTN stock to their portfolio, and 116 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

MILLENNIUM MANAGEMENT LLC added 2,122,844 shares (+371.2%) to their portfolio in Q4 2025, for an estimated $18,447,514
CITADEL ADVISORS LLC removed 1,120,473 shares (-91.9%) from their portfolio in Q4 2025, for an estimated $9,736,910
D. E. SHAW & CO., INC. added 873,904 shares (+269.0%) to their portfolio in Q4 2025, for an estimated $7,594,225
SCHONFELD STRATEGIC ADVISORS LLC removed 786,823 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $6,837,491
NOMURA HOLDINGS INC added 681,349 shares (+inf%) to their portfolio in Q4 2025, for an estimated $5,920,922
ASSENAGON ASSET MANAGEMENT S.A. removed 671,095 shares (-59.4%) from their portfolio in Q1 2026, for an estimated $8,442,375
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 555,170 shares (-74.7%) from their portfolio in Q4 2025, for an estimated $4,824,427

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API.

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$ADTN Analyst Ratings

Wall Street analysts have issued reports on $ADTN in the last several months. We have seen 1 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Needham issued a "Buy" rating on 11/25/2025

To track analyst ratings and price targets for $ADTN, check out Quiver Quantitative's $ADTN forecast page.

$ADTN Price Targets

Multiple analysts have issued price targets for $ADTN recently. We have seen 3 analysts offer price targets for $ADTN in the last 6 months, with a median target of $16.0.

Here are some recent targets:

Irvin Liu from Evercore ISI Group set a target price of $18.0 on 04/14/2026
Mike Genovese from Rosenblatt set a target price of $16.0 on 02/27/2026
Ryan Koontz from Needham set a target price of $12.0 on 11/25/2025

You can track data on $ADTN on Quiver Quantitative.

This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.