Seagate Technology Slides as Capacity Expansion News and a Recent Downgrade Weigh on Sentiment

Seagate Technology Holdings plc (STX) is down 3.2% today. Here is some analysis on what might have caused this price movement. ([investors.seagate.com](https://investors.seagate.com/news/news-details/2026/Seagate-Technology-Reports-Fiscal-Fourth-Quarter-and-Fiscal-Year-2026-Financial-Results/))

Analysis: The most likely driver is investor concern that rising industry capacity could eventually pressure pricing and margins in high-capacity hard drives. This could also be because sentiment was already softer after a recent analyst downgrade, even though Seagate’s latest reported results were strong. ([asia.toshiba.com](https://asia.toshiba.com/press-release/english/toshiba-information-equipment-philippines-celebrates-30th-anniversary-and-first-shipment-from-expanded-nearline-hdd-production-line/))

Details:

Sources:

Seagate Investor Relations, Toshiba, MarketBeat

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 545 times in the past 6 months. Of those trades, 0 have been purchases and 545 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 240 sales selling 305,369 shares for an estimated $252,810,857.
• GIANLUCA ROMANO (EVP & CFO) has made 0 purchases and 113 sales selling 136,325 shares for an estimated $109,978,079.
• BAN SENG TEH (EVP & Chief Commercial Officer) has made 0 purchases and 98 sales selling 94,202 shares for an estimated $76,426,540.
• JOHN CHRISTOPHER MORRIS (EVP & CTO) has made 0 purchases and 53 sales selling 37,654 shares for an estimated $30,418,335.
• JAMES CI LEE (EVP & CLO) has made 0 purchases and 35 sales selling 14,885 shares for an estimated $12,125,608.
• YOLANDA LEE CONYERS has made 0 purchases and 2 sales selling 1,500 shares for an estimated $1,275,330.
• STEPHANIE TILENIUS has made 0 purchases and 2 sales selling 1,580 shares for an estimated $1,211,249.
• PRAT BHATT sold 1,000 shares for an estimated $929,880
• SHANKAR ARUMUGAVELU sold 1,000 shares for an estimated $927,680

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

$STX Hedge Fund Activity

We have seen 1,141 institutional investors add shares of $STX stock to their portfolio, and 653 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

• SANDERS CAPITAL, LLC removed 9,409,982 shares (-73.0%) from their portfolio in Q2 2026, for an estimated $9,080,632,630
• JPMORGAN CHASE & CO added 5,201,103 shares (+inf%) to their portfolio in Q2 2026, for an estimated $5,019,064,395
• INVESCO LTD. added 4,937,030 shares (+189.9%) to their portfolio in Q2 2026, for an estimated $4,764,233,950
• WELLINGTON MANAGEMENT GROUP LLP added 2,326,538 shares (+2655.9%) to their portfolio in Q2 2026, for an estimated $2,245,109,170
• NOMURA ASSET MANAGEMENT INTERNATIONAL INC. removed 1,798,886 shares (-99.7%) from their portfolio in Q2 2026, for an estimated $1,735,924,990
• FRANKLIN RESOURCES INC removed 1,720,116 shares (-48.9%) from their portfolio in Q2 2026, for an estimated $1,659,911,940
• DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN removed 1,511,670 shares (-41.8%) from their portfolio in Q2 2026, for an estimated $1,458,761,550

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

$STX Congressional Stock Trading

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

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

• REPRESENTATIVE KEVIN HERN sold up to $15,000 on 09/15.

To track congressional stock trading, check out Investivoq's congressional trading dashboard. You can access data on congressional stock trades through the Investivoq 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 Investivoq's $STX forecast page.

$STX Price Targets

Multiple analysts have issued price targets for $STX recently. We have seen 14 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 Investivoq's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.