Why Seagate Technology (STX) Stock Is Down Today

Seagate Technology Holdings (STX) is down 11.8% today. Here is some analysis on what might have caused this price movement.

Analysis: The selloff appears tied mainly to a broad retreat in chip and memory-related stocks, combined with investors reducing risk ahead of Seagate’s fiscal fourth-quarter report due after the market close on July 28, 2026. There does not appear to be a company-specific negative filing or earnings miss driving the move during regular trading hours.

Details:

Seagate is scheduled to release fiscal fourth-quarter and full-year 2026 results after the U.S. market closes today, which can increase volatility as traders reposition ahead of the announcement.

In its prior quarterly report, Seagate projected fiscal fourth-quarter revenue of about $3.45 billion, plus or minus $100 million, and non-GAAP diluted EPS of $5.00, plus or minus $0.20.

Chip and AI-linked hardware shares were under heavy pressure globally today, with investors questioning how durable AI infrastructure spending will be and whether demand assumptions have become too optimistic.

This could also be because STX had been priced for strong execution after a sharp run tied to data-center and high-capacity storage optimism, leaving the shares vulnerable to profit-taking before results.

Sources:

Seagate Investor Relations, AP News, Reuters

Disclaimer: This price movement analysis was generated with the help of AI. Please double-check the information provided for mistakes.

$STX Insider Trading Activity

$STX insiders have traded $STX stock on the open market 235 times in the past 6 months. Of those trades, 0 have been purchases and 235 have been sales.

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

WILLIAM D MOSLEY (CEO) has made 0 purchases and 175 sales selling 179,207 shares for an estimated $115,928,611.
BAN SENG TEH (EVP & Chief Commercial Officer) has made 0 purchases and 27 sales selling 36,744 shares for an estimated $22,490,481.
JOHN CHRISTOPHER MORRIS (EVP & CTO) has made 0 purchases and 20 sales selling 7,915 shares for an estimated $5,966,769.
KIAN FATT CHONG (EVP Global Operations) sold 5,846 shares for an estimated $2,434,740
GIANLUCA ROMANO (EVP & CFO) has made 0 purchases and 3 sales selling 2,253 shares for an estimated $1,904,809.
STEPHANIE TILENIUS has made 0 purchases and 2 sales selling 1,580 shares for an estimated $1,211,249.
JAMES CI LEE (EVP & CLO) has made 0 purchases and 2 sales selling 1,239 shares for an estimated $1,007,336.
YOLANDA LEE CONYERS has made 0 purchases and 2 sales selling 1,500 shares for an estimated $959,190.
PRAT BHATT sold 1,000 shares for an estimated $929,880
SHANKAR ARUMUGAVELU sold 1,000 shares for an estimated $927,680
JAY L GELDMACHER sold 925 shares for an estimated $414,423

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 insider transaction endpoint.

$STX Hedge Fund Activity

We have seen 858 institutional investors add shares of $STX stock to their portfolio, and 592 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

FMR LLC added 4,417,259 shares (+117.5%) to their portfolio in Q1 2026, for an estimated $1,730,505,385
SANDERS CAPITAL, LLC removed 4,283,691 shares (-24.9%) from their portfolio in Q1 2026, for an estimated $1,678,178,786
BLACKROCK, INC. removed 1,842,843 shares (-11.4%) from their portfolio in Q1 2026, for an estimated $721,952,173
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. added 1,799,482 shares (+36716.6%) to their portfolio in Q1 2026, for an estimated $704,965,068
DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN removed 1,796,170 shares (-33.2%) from their portfolio in Q1 2026, for an estimated $703,667,559
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP removed 1,759,568 shares (-55.1%) from their portfolio in Q1 2026, for an estimated $689,328,359
CAPITAL RESEARCH GLOBAL INVESTORS added 1,224,081 shares (+27.1%) to their portfolio in Q1 2026, for an estimated $479,545,972

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 13F endpoint.

$STX Congressional Stock Trading

Members of Congress have traded $STX stock 1 times in the past 6 months. Of those trades, 1 have been purchases and 0 have been sales.

Here’s a breakdown of recent trading of $STX stock by members of Congress over the last 6 months:

SENATOR ALAN ARMSTRONG purchased up to $15,000 on 03/27.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

$STX Analyst Ratings

Wall Street analysts have issued reports on $STX in the last several months. We have seen 2 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Barclays issued a "Overweight" rating on 04/30/2026
TD Cowen issued a "Buy" rating on 04/29/2026

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

$STX Price Targets

Multiple analysts have issued price targets for $STX recently. We have seen 15 analysts offer price targets for $STX in the last 6 months, with a median target of $1000.0.

Here are some recent targets:

Mehdi Hosseini from Susquehanna set a target price of $775.0 on 07/08/2026
Wamsi Mohan from B of A Securities set a target price of $1150.0 on 07/01/2026
C.J. Muse from Cantor Fitzgerald set a target price of $1300.0 on 06/29/2026
Erik Woodring from Morgan Stanley set a target price of $1035.0 on 06/15/2026
Samik Chatterjee from JP Morgan set a target price of $920.0 on 06/12/2026
Vijay Rakesh from Mizuho set a target price of $1090.0 on 06/08/2026
Asiya Merchant from Citigroup set a target price of $1150.0 on 06/02/2026

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.