Amkor Technology (AMKR) Stock Falls on Q4 2025 Earnings

Amkor Technology Inc. (AMKR) reported fourth-quarter 2025 results with revenue of $1.89 billion, driven by broad margin expansion and stronger demand across its packaging and testing services.

Total revenue: $1.89 billion (up 15.9% year-over-year).

Gross profit: $315 million (up 27.5% year-over-year).

Operating profit: $185 million (up 37.6% year-over-year).

Net income attributable to common shareholders: $172 million (up 62.6% year-over-year).

Diluted earnings per share: $0.69 (up 60.5% year-over-year).

Cash from operating activities: $644 million (up 19.9% year-over-year).

Capital expenditures (purchases of property, plant and equipment): $432 million (up 51.2% year-over-year).

Cash and cash equivalents: $1.38 billion (up 21.6% year-over-year).

Total liabilities: $3.63 billion (up 31.5% year-over-year).

The company beat consensus estimates on both EPS and revenue, with an EPS estimate of $0.45 and a revenue estimate of $1.88 billion. Despite the beats, shares moved lower after hours, down 4.61% since market close.

Note: This financials data is sourced from a third-party provider and has not been independently verified by Quiver.

Amkor Technology Inc. Insider Trading Activity

Amkor Technology Inc. insiders have traded $AMKR stock on the open market 13 times in the past 6 months. Of those trades, 0 have been purchases and 13 have been sales.

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

GUILLAUME MARIE JEAN RUTTEN has made 0 purchases and 5 sales selling 50,000 shares for an estimated $1,903,600.
MARK N ROGERS (EVP & General Counsel) has made 0 purchases and 3 sales selling 45,000 shares for an estimated $1,739,200.
GIL C. TILY sold 20,000 shares for an estimated $928,800
MARYFRANCES MCCOURT sold 20,000 shares for an estimated $920,400
KEVIN ENGEL (Executive Vice President) sold 11,000 shares for an estimated $508,310
FARSHAD HAGHIGHI (Executive Vice President) sold 11,792 shares for an estimated $294,800
WINSTON J CHURCHILL sold 5,000 shares for an estimated $221,450

To track insider transactions, check out Quiver Quantitative's insider trading dashboard.

Amkor Technology Inc. Hedge Fund Activity

We have seen 218 institutional investors add shares of Amkor Technology Inc. stock to their portfolio, and 183 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

FISHER ASSET MANAGEMENT, LLC added 1,407,109 shares (+204.5%) to their portfolio in Q4 2025, for an estimated $55,552,663
D. E. SHAW & CO., INC. removed 1,218,833 shares (-91.1%) from their portfolio in Q3 2025, for an estimated $34,614,857
JACOBS LEVY EQUITY MANAGEMENT, INC removed 1,200,455 shares (-71.4%) from their portfolio in Q3 2025, for an estimated $34,092,922
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP added 1,186,313 shares (+305.5%) to their portfolio in Q3 2025, for an estimated $33,691,289
LSV ASSET MANAGEMENT removed 1,161,294 shares (-29.2%) from their portfolio in Q4 2025, for an estimated $45,847,887
BLACKROCK, INC. removed 1,070,378 shares (-7.2%) from their portfolio in Q3 2025, for an estimated $30,398,735
VOLORIDGE INVESTMENT MANAGEMENT, LLC removed 952,950 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $27,063,780

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.

Amkor Technology Inc. Congressional Stock Trading

Members of Congress have traded $AMKR stock 2 times in the past 6 months. Of those trades, 2 have been purchases and 0 have been sales.

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

SENATOR MARKWAYNE MULLIN has traded it 2 times. They made 2 purchases worth up to $100,000 on 01/05 and 0 sales.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.

Amkor Technology Inc. Analyst Ratings

Wall Street analysts have issued reports on $AMKR in the last several months. We have seen 3 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

Aletheia Capital issued a "Buy" rating on 11/03/2025
Needham issued a "Buy" rating on 10/28/2025
JP Morgan issued a "Overweight" rating on 10/28/2025

To track analyst ratings and price targets for Amkor Technology Inc., check out Quiver Quantitative's $AMKR forecast page.

Amkor Technology Inc. Price Targets

Multiple analysts have issued price targets for $AMKR recently. We have seen 7 analysts offer price targets for $AMKR in the last 6 months, with a median target of $48.0.

Here are some recent targets:

Craig Ellis from B. Riley Securities set a target price of $48.0 on 01/15/2026
Randy Abrams from UBS set a target price of $55.0 on 01/12/2026
Charles Shi from Needham set a target price of $50.0 on 01/05/2026
Warren Lau from Aletheia Capital set a target price of $62.0 on 11/03/2025
Peter Peng from JP Morgan set a target price of $32.0 on 10/28/2025
James Schneider from Goldman Sachs set a target price of $29.0 on 10/28/2025
Thomas Diffely from DA Davidson set a target price of $40.0 on 10/28/2025