William Mack & Associates
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William Mack & Associates’s Amkor Technology AMKR Stock Holding History

William Mack & Associates’s Portfolio AMKR Stock Details AMKR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$6.55K Buy
+125
New +$6.96K ﹤0.01% 444

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Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $25.4B AUM 35.48% 1-Year Est. Return
Clal Insurance
Clal Insurance Tel-Aviv, Israel $20.7B AUM 58.31% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

William Mack & Associates's AMKR Position: Q3 2026 in Review

William Mack & Associates opened a new position in Amkor Technology (AMKR) in Q3 2026: 125 shares worth $6.55K. The stake represents ﹤0.01% of the portfolio and ranks #444 among its holdings.

456 funds tracked by Wall St. Rank hold AMKR as of Q3 2026.

  • William Mack & Associates held 125 shares of Amkor Technology worth $6.55K as of Q3 2026.
  • Amkor Technology was a new William Mack & Associates position in Q3 2026.
  • Amkor Technology made up ﹤0.01% of William Mack & Associates's portfolio in Q3 2026, its #444 holding.
  • 456 funds tracked by Wall St. Rank held Amkor Technology as of Q3 2026.

Based on William Mack & Associates's 13F filing for Q3 2026, filed 27 Oct 2026.