Why Western Digital (WDC) Stock Is Down Today

Western Digital (WDC) is down 4.1% today. Here is some analysis on what might have caused this price movement.

Analysis: A clear same-day company-specific catalyst is hard to pin down, so this looks like continued pressure after the company’s early-August earnings reaction. This could be because investors are still digesting guidance that, while strong on paper, may not have cleared very elevated expectations, along with concern about future margin risk tied to the next hard-drive technology transition.

Details:

Western Digital’s fiscal fourth-quarter report showed revenue of about $3.75 billion, up 44% year over year, with adjusted earnings of $3.56 per share and improved margins.

The company guided for fiscal first-quarter revenue of roughly $4.1 billion, plus or minus $100 million, which suggested continued growth but did not appear strong enough to fully satisfy a market already pricing in a very bullish AI-storage cycle.

A research firm downgrade after the earnings release highlighted risks around the shift to heat-assisted magnetic recording, including the possibility of higher costs and pressure on gross margins in 2027.

With no major fresh filing or press release standing out today, the move may reflect lingering post-earnings profit-taking and sector sentiment rather than a new corporate event.

Sources:

Western Digital Investor Relations, SEC, Investing.com

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

$WDC Insider Trading Activity

$WDC insiders have traded $WDC stock on the open market 123 times in the past 6 months. Of those trades, 0 have been purchases and 123 have been sales.

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

IRVING TAN (Chief Executive Officer) has made 0 purchases and 16 sales selling 40,000 shares for an estimated $17,136,193.
VIDYADHARA K GUBBI (Chief of Global Operations) has made 0 purchases and 5 sales selling 25,815 shares for an estimated $8,366,109.
MARTIN I COLE has made 0 purchases and 90 sales selling 14,000 shares for an estimated $5,489,883.
CYNTHIA L TREGILLIS (Chief Legal Officer & Corp Sec) has made 0 purchases and 11 sales selling 12,207 shares for an estimated $3,801,407.
BRUCE E KIDDOO sold 750 shares for an estimated $396,390

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.

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$WDC Hedge Fund Activity

We have seen 1,100 institutional investors add shares of $WDC stock to their portfolio, and 752 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

JPMORGAN CHASE & CO added 17,007,789 shares (+inf%) to their portfolio in Q2 2026, for an estimated $10,863,214,990
INVESCO LTD. added 8,904,877 shares (+161.0%) to their portfolio in Q2 2026, for an estimated $5,687,723,037
FMR LLC removed 5,639,773 shares (-17.8%) from their portfolio in Q2 2026, for an estimated $3,602,235,810
WCM INVESTMENT MANAGEMENT, LLC removed 4,929,689 shares (-75.1%) from their portfolio in Q2 2026, for an estimated $3,148,690,958
CAPITAL WORLD INVESTORS added 4,718,173 shares (+39.7%) to their portfolio in Q2 2026, for an estimated $3,013,591,458
D. E. SHAW & CO., INC. removed 3,799,531 shares (-66.6%) from their portfolio in Q2 2026, for an estimated $2,426,836,440
UBS GROUP AG removed 2,923,969 shares (-69.9%) from their portfolio in Q2 2026, for an estimated $1,867,597,479

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.

$WDC Congressional Stock Trading

Members of Congress have traded $WDC 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 $WDC 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.

$WDC Analyst Ratings

Wall Street analysts have issued reports on $WDC 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:

Rosenblatt issued a "Buy" rating on 05/01/2026

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

$WDC Price Targets

Multiple analysts have issued price targets for $WDC recently. We have seen 14 analysts offer price targets for $WDC in the last 6 months, with a median target of $597.5.

Here are some recent targets:

Mehdi Hosseini from Susquehanna set a target price of $500.0 on 07/08/2026
Wamsi Mohan from B of A Securities set a target price of $732.0 on 07/01/2026
C.J. Muse from Cantor Fitzgerald set a target price of $900.0 on 06/29/2026
Erik Woodring from Morgan Stanley set a target price of $650.0 on 06/15/2026
Harlan Sur from JP Morgan set a target price of $650.0 on 06/12/2026
Vijay Rakesh from Mizuho set a target price of $685.0 on 06/08/2026
Asiya Merchant from Citigroup set a target price of $685.0 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.