Why STMicroelectronics (STM) Stock Is Down Today

STMicroelectronics (STM) is down 7.2% today. Here is some analysis on what might have caused this price movement.

Analysis: A clear company-specific negative catalyst is hard to pin down, and this could be because the stock was caught in a broader semiconductor selloff as higher oil prices and rising Treasury yields pressured growth shares. That backdrop appears to have outweighed STMicroelectronics’ most recent management commentary, which remained broadly constructive on demand, bookings, and near-term revenue trends.

Details:

Management’s July second-quarter update pointed to stronger year-over-year revenue, improving bookings, and a third-quarter outlook that called for sequential growth and a higher gross margin.

At a September 9 investor conference, the company said bookings were still running above 1x book-to-bill, with solid demand in AI infrastructure, automotive, and industrial markets.

The same conference remarks indicated lean channel inventory and longer lead times in some industrial products, which does not suggest an obvious operational deterioration emerged this week.

The broader market turned risk-off on September 10 as crude prices jumped and Treasury yields climbed, a setup that often weighs heavily on chip stocks and other valuation-sensitive technology names.

Sources:

STMicroelectronics Investor Relations, ST News, AP News

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

$STM Hedge Fund Activity

We have seen 427 institutional investors add shares of $STM stock to their portfolio, and 164 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

WT ASSET MANAGEMENT LTD added 5,755,892 shares (+inf%) to their portfolio in Q2 2026, for an estimated $431,058,751
CITADEL ADVISORS LLC added 5,413,407 shares (+361.9%) to their portfolio in Q1 2026, for an estimated $187,033,211
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 3,481,035 shares (+inf%) to their portfolio in Q2 2026, for an estimated $260,694,711
JPMORGAN CHASE & CO added 3,068,232 shares (+inf%) to their portfolio in Q2 2026, for an estimated $229,779,894
ARTISAN PARTNERS LIMITED PARTNERSHIP added 2,797,540 shares (+inf%) to their portfolio in Q2 2026, for an estimated $209,507,770
POINT72 ASSET MANAGEMENT, L.P. added 2,719,871 shares (+707.2%) to their portfolio in Q2 2026, for an estimated $203,691,139
MILLENNIUM MANAGEMENT LLC removed 2,524,854 shares (-56.5%) from their portfolio in Q2 2026, for an estimated $189,086,316

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.

$STM Congressional Stock Trading

Members of Congress have traded $STM 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 $STM stock by members of Congress over the last 6 months:

SENATOR ALAN ARMSTRONG purchased up to $15,000 on 03/30.

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.

$STM Price Targets

Multiple analysts have issued price targets for $STM recently. We have seen 3 analysts offer price targets for $STM in the last 6 months, with a median target of $83.0.

Here are some recent targets:

Vijay Rakesh from Mizuho set a target price of $84.0 on 06/03/2026
Didier Scemama from B of A Securities set a target price of $83.0 on 06/02/2026
Joshua Buchalter from TD Cowen set a target price of $50.0 on 04/24/2026

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.