UMC rises as semiconductor shares rebound and growth signals stay supportive

By: Quiver PriceTracker

Posted: 2 hours ago / June 24, 2026 3:55 p.m. UTC

UMC

United Microelectronics Corporation (UMC) is up 8.5% today. Here is some analysis on what might have caused this price movement.

Analysis: The most likely driver is a rebound in semiconductor stocks after a sharp sector selloff, with investors rotating back into chip names ahead of an important earnings read for the broader AI and memory trade. UMC also had company-specific support from stronger recent sales, healthy first-quarter utilization, and management’s previously announced plan to raise wafer prices in the second half of 2026.

Details:

UMC’s investor materials show May 2026 net sales rose 17.78% year over year, extending growth after April and lifting year-to-date sales by 9.05%.

In first-quarter 2026 results, wafer shipments increased, utilization reached 79%, and the company guided to strong second-quarter shipment growth across both 8-inch and 12-inch products.

Management has said it plans a wafer price adjustment in the second half of 2026, which suggests improving pricing power and firmer demand conditions in mature-node foundry markets.

The broader backdrop also turned more supportive on June 24 as technology shares stabilized after the previous session’s semiconductor-led rout, helping higher-beta chip stocks bounce.

Sources:

UMC Investor Relations, SEC, Investing.com, Taipei Times

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

$UMC Hedge Fund Activity

We have seen 200 institutional investors add shares of $UMC stock to their portfolio, and 102 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

ACADIAN ASSET MANAGEMENT LLC added 5,826,613 shares (+253.6%) to their portfolio in Q1 2026, for an estimated $52,322,984
AQR CAPITAL MANAGEMENT LLC added 5,249,718 shares (+55.5%) to their portfolio in Q1 2026, for an estimated $47,142,467
QUBE RESEARCH & TECHNOLOGIES LTD added 4,838,763 shares (+1839.0%) to their portfolio in Q1 2026, for an estimated $43,452,091
MARSHALL WACE, LLP removed 4,533,912 shares (-95.7%) from their portfolio in Q1 2026, for an estimated $40,714,529
TWO SIGMA INVESTMENTS, LP added 3,980,009 shares (+70.1%) to their portfolio in Q1 2026, for an estimated $35,740,480
SCHRODER INVESTMENT MANAGEMENT GROUP removed 3,811,881 shares (-92.9%) from their portfolio in Q1 2026, for an estimated $34,230,691
UBS GROUP AG added 3,604,697 shares (+78.9%) to their portfolio in Q1 2026, for an estimated $32,370,179

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.

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.