Amkor Technology rallies as investors refocus on advanced packaging growth targets

Amkor Technology, Inc. (AMKR) is up 7.6% today. Here is some analysis on what might have caused this price movement.

Analysis: The day’s specific catalyst is not clearly identifiable from widely circulated company news, but the move appears consistent with renewed optimism around Amkor’s advanced packaging roadmap and multi-year growth targets discussed recently. This could also be momentum tied to the broader AI/semiconductor supply-chain trade, where packaging capacity and technology are increasingly viewed as constraints.

Details:

Amkor’s May 21, 2026 Investor Day emphasized advanced packaging as a central strategic priority and laid out longer-term financial targets extending to 2030.

The company highlighted work with AMD on advanced chip packaging and described plans that include a ramp in South Korea followed by planned U.S. onshoring at its Arizona site, with initial high-volume manufacturing targeted for 2028.

In its Q1 2026 materials, Amkor reported record first-quarter net sales and profitability versus the prior year period, reinforcing the narrative that demand for higher-end packaging is improving.

Amkor also communicated elevated 2026 capital spending plans to expand capacity and support advanced packaging programs, which can be read as a confidence signal on forward demand (though it increases execution risk).

Sources:

Amkor Technology Investor Relations, U.S. SEC (EDGAR), StockAnalysis

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

$AMKR Insider Trading Activity

$AMKR insiders have traded $AMKR stock on the open market 24 times in the past 6 months. Of those trades, 0 have been purchases and 24 have been sales.

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

JOHN T KIM sold 10,000,000 shares for an estimated $484,900,000
INVESTMENTS, LP 915 sold 10,000,000 shares for an estimated $484,900,000
MARK N ROGERS (EVP & General Counsel) has made 0 purchases and 6 sales selling 45,000 shares for an estimated $2,218,000.
GIL C. TILY has made 0 purchases and 2 sales selling 35,000 shares for an estimated $2,088,300.
GUILLAUME MARIE JEAN RUTTEN has made 0 purchases and 3 sales selling 40,000 shares for an estimated $1,955,400.
ROGER ANTHONY CAROLIN sold 20,000 shares for an estimated $1,524,800
KEVIN K. ENGEL (President and CEO) has made 0 purchases and 3 sales selling 28,816 shares for an estimated $1,362,380.
MARYFRANCES MCCOURT sold 20,000 shares for an estimated $920,400
FARSHAD HAGHIGHI (Executive Vice President) sold 15,624 shares for an estimated $789,012
WINSTON J CHURCHILL has made 0 purchases and 2 sales selling 12,000 shares for an estimated $756,600.
DOUGLAS A ALEXANDER has made 0 purchases and 2 sales selling 5,000 shares for an estimated $382,900.
MEGAN FAUST (CFO) sold 1,000 shares for an estimated $64,599

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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$AMKR Hedge Fund Activity

We have seen 315 institutional investors add shares of $AMKR stock to their portfolio, and 226 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

DISCOVERY CAPITAL MANAGEMENT, LLC / CT removed 2,614,934 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $117,750,478
JANE STREET GROUP, LLC added 2,266,477 shares (+3578.1%) to their portfolio in Q1 2026, for an estimated $102,059,459
DIMENSIONAL FUND ADVISORS LP removed 1,781,422 shares (-13.9%) from their portfolio in Q1 2026, for an estimated $80,217,432
LSV ASSET MANAGEMENT removed 1,509,562 shares (-53.5%) from their portfolio in Q1 2026, for an estimated $67,975,576
SW INVESTMENT MANAGEMENT LLC removed 1,250,000 shares (-47.2%) from their portfolio in Q4 2025, for an estimated $49,349,999
TREXQUANT INVESTMENT LP added 1,066,184 shares (+inf%) to their portfolio in Q1 2026, for an estimated $48,010,265
VOLORIDGE INVESTMENT MANAGEMENT, LLC added 1,061,839 shares (+inf%) to their portfolio in Q1 2026, for an estimated $47,814,610

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.

$AMKR Congressional Stock Trading

Members of Congress have traded $AMKR stock 3 times in the past 6 months. Of those trades, 3 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 3 times. They made 3 purchases worth up to $150,000 on 02/04, 01/05 and 0 sales.

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.

$AMKR Price Targets

Multiple analysts have issued price targets for $AMKR recently. We have seen 6 analysts offer price targets for $AMKR in the last 6 months, with a median target of $67.0.

Here are some recent targets:

Charles Shi from Needham set a target price of $90.0 on 04/28/2026
Joseph Moore from Morgan Stanley set a target price of $69.0 on 04/28/2026
James Schneider from Goldman Sachs set a target price of $65.0 on 04/28/2026
Craig Ellis from B. Riley Securities set a target price of $70.0 on 04/28/2026
Peter Peng from JP Morgan set a target price of $65.0 on 02/10/2026
Randy Abrams from UBS set a target price of $55.0 on 01/12/2026

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.