AMKR Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Faust Megan CFO 2026-08-11 1,000 $54,450
ALEXANDER DOUGLAS A Director 2026-08-07 5,000 $42,550
ALEXANDER DOUGLAS A Director 2026-08-07 5,000 $279,050
Rutten Guillaume Marie Jean Director 2026-08-06 25,000 $1,362,500
Rutten Guillaume Marie Jean Director 2026-08-05 25,000 $1,383,750
Engel Kevin K. President and CEO 2026-07-30 3,221 $151,387
CHURCHILL WINSTON J Director 2026-07-30 100 $0

How Institutional Funds Moved on AMKR

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
RENAISSANCE TECHNOLOGIES LLC RENAISSANCE TECHNOLOGIES LLC opened a new position worth $50,065,138. 2026-06-30
NORGES BANK NORGES BANK opened a new position worth $127,381,802. 2026-06-30
BANK OF NOVA SCOTIA BANK OF NOVA SCOTIA opened a new position worth $58,272,682. 2026-06-30
Fisher Asset Management, LLC Fisher Asset Management, LLC increased this position by 90% ($82,711,678 -> $157,072,030). 2026-06-30
Bank of New York Mellon Corp Bank of New York Mellon Corp increased this position by 31469% ($154,051 -> $48,631,823). 2026-06-30
FIRST TRUST ADVISORS LP FIRST TRUST ADVISORS LP increased this position by 96% ($80,762,846 -> $158,344,246). 2026-06-30
DIMENSIONAL FUND ADVISORS LP DIMENSIONAL FUND ADVISORS LP increased this position by 34% ($483,226,347 -> $648,406,207). 2026-06-30
GEODE CAPITAL MANAGEMENT, LLC GEODE CAPITAL MANAGEMENT, LLC increased this position by 96% ($103,213,197 -> $201,897,717). 2026-06-30

Which Funds Hold AMKR

Largest reported positions as of 2026-06-30.

FundValueShares
VANGUARD PORTFOLIO MANAGEMENT LLC $837,513,445 9,712,553
DIMENSIONAL FUND ADVISORS LP $648,406,207 7,519,497
VANGUARD CAPITAL MANAGEMENT LLC $577,834,128 6,701,080
EARNEST PARTNERS LLC $245,970,385 2,852,492
Point72 Asset Management, L.P. $213,619,821 2,477,326
GEODE CAPITAL MANAGEMENT, LLC $201,897,717 2,340,858
FIRST TRUST ADVISORS LP $158,344,246 1,836,306
Fisher Asset Management, LLC $157,072,030 1,821,547
NORGES BANK $127,381,802 1,477,233
JANE STREET GROUP, LLC $121,748,137 1,411,900

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Renaissance Technologies LLC: 13F Portfolio Moves Tracked Quarterly

Summary of Renaissance Technologies LLC portfolio increases for the quarter ending 2026-06-30, highlighting positions like Intel, AutoZone, McKesson, and Five Below.

Quarter Ending 2026-06-30 During the quarter ending 2026-06-30, Renaissance Technologies LLC filed a 13F showing broad-based increases across a wide range of existing holdings, with no reductions listed among the disclosed moves. The most dramatic percentage changes came from smaller starting positions that were scaled up substantially, including Five Below Inc (FIVE), up 16855% to … Read more