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CSS LLC’s Amkor Technology AMKR Stock Holding History

CSS LLC’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
2025
Q2 		– Sell
-19,093
Closed -$345K – 973
2025
Q1 		$345K Buy
19,093
+3,753
+24% +$84.8K 0.02% 593
2024
Q4 		$394K Buy
15,340
+1,320
+9% +$36.3K 0.02% 634
2024
Q3 		$429K Buy
+14,020
New +$477K 0.02% 537
2022
Q4 		– Sell
-15,000
Closed -$256K – 943
2022
Q3 		$256K Hold
15,000
– – 0.01% 703
2022
Q2 		$254K Buy
+15,000
New +$285K 0.01% 753
2014
Q3 		– Sell
-41,000
Closed -$458K – 746
2014
Q2 		$458K Buy
41,000
+12,600
+44% +$116K 0.02% 485
2014
Q1 		$195K Hold
28,400
– – 0.01% 571
2013
Q4 		$174K Buy
+28,400
New +$151K 0.01% 576

Other funds holding AMKR

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SIM
SW Investment Management Telluride, Colorado $451M AUM 79.06% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return

CSS LLC's AMKR Position: Q2 2025 in Review

CSS LLC sold out of Amkor Technology (AMKR) in Q2 2025, closing a stake of 19,093 shares — an estimated $345K sold.

CSS LLC first reported a position in AMKR in Q4 2013 and held it in 8 quarters. The position peaked at $458K in Q2 2014. 348 funds tracked by Wall St. Rank hold AMKR as of Q2 2025.

  • CSS LLC reported no remaining Amkor Technology position as of Q2 2025 after selling out during the quarter.
  • CSS LLC sold 19,093 Amkor Technology shares in Q2 2025, an estimated $345K.
  • CSS LLC first reported a position in Amkor Technology in Q4 2013 and held it in 8 quarters.
  • CSS LLC's Amkor Technology position peaked at $458K in Q2 2014.
  • 348 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2025.

Based on CSS LLC's 13F filing for Q2 2025, filed 14 Aug 2025.