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CastleKnight Management’s Amkor Technology AMKR Stock Holding History

CastleKnight Management’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
Q2 		$379K Sell
4,400
-246,800
-98% -$17.6M 0.01% 461
2026
Q1 		$11.3M Buy
251,200
+77,200
+44% +$3.7M 0.19% 74
2025
Q4 		$6.87M Buy
+174,000
New +$6.19M 0.15% 85

Other funds holding AMKR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

CastleKnight Management's AMKR Position: Q2 2026 in Review

CastleKnight Management reduced its Amkor Technology (AMKR) stake by 98% in Q2 2026, selling an estimated $17.6M and leaving 4,400 shares worth $379K. The position accounts for 0.01% of the portfolio, ranked #461.

CastleKnight Management first reported a position in AMKR in Q4 2025 and has held it in 3 quarters since. The position peaked at $11.3M in Q1 2026. 646 funds tracked by Wall St. Rank hold AMKR as of Q2 2026.

  • CastleKnight Management held 4,400 shares of Amkor Technology worth $379K as of Q2 2026.
  • CastleKnight Management sold 246,800 Amkor Technology shares in Q2 2026, an estimated $17.6M.
  • Amkor Technology made up 0.01% of CastleKnight Management's portfolio in Q2 2026, its #461 holding.
  • CastleKnight Management first reported a position in Amkor Technology in Q4 2025 and has held it in 3 quarters since.
  • CastleKnight Management's Amkor Technology position peaked at $11.3M in Q1 2026.
  • 646 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2026.

Based on CastleKnight Management's 13F filing for Q2 2026, filed 14 Aug 2026.