Parallax Volatility Advisers
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Parallax Volatility Advisers’s Amkor Technology AMKR Stock Holding History

Parallax Volatility Advisers’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
-81,507
Closed -$1.47M – 1547
2025
Q1 		$1.47M Buy
81,507
+51,678
+173% +$1.17M ﹤0.01% 951
2024
Q4 		$766K Buy
+29,829
New +$821K ﹤0.01% 1408
2020
Q4 		– Sell
-22,684
Closed -$254K – 2290
2020
Q3 		$254K Buy
+22,684
New +$281K ﹤0.01% 2461
2019
Q2 		– Sell
-5,671
Closed -$48K – 2511
2019
Q1 		$48K Buy
+5,671
New +$46.9K ﹤0.01% 2295
2018
Q4 		– Sell
-4,133
Closed -$31K – 2875
2018
Q3 		$31K Sell
4,133
-2,056
-33% -$17.5K ﹤0.01% 2009
2018
Q2 		$53K Buy
6,189
+3,743
+153% +$34.1K ﹤0.01% 1574
2018
Q1 		$25K Sell
2,446
-19,646
-89% -$204K ﹤0.01% 1686
2017
Q4 		$222K Buy
22,092
+21,449
+3,336% +$230K ﹤0.01% 2196
2017
Q3 		$7K Buy
+643
New +$6.16K ﹤0.01% 1769
2017
Q1 		– Sell
-370
Closed -$3.82K – 3502
2016
Q4 		$4K Sell
370
-43,347
-99% -$462K ﹤0.01% 2862
2016
Q3 		$425K Buy
43,717
+11,231
+35% +$90K ﹤0.01% 1551
2016
Q2 		$187K Buy
+32,486
New +$190K ﹤0.01% 1811
2015
Q2 		– Sell
-321
Closed -$3K – 3547
2015
Q1 		$3K Buy
+321
New +$2.61K ﹤0.01% 4172
2014
Q4 		– Sell
-12,263
Closed -$84.9K – 4975
2014
Q3 		$103K Buy
12,263
+550
+5% +$5.43K ﹤0.01% 2870
2014
Q2 		$131K Buy
+11,713
New +$108K ﹤0.01% 2308

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

Parallax Volatility Advisers's AMKR Position: Q2 2025 in Review

Parallax Volatility Advisers sold out of Amkor Technology (AMKR) in Q2 2025, closing a stake of 81,507 shares — an estimated $1.47M sold.

Parallax Volatility Advisers first reported a position in AMKR in Q2 2014 and held it in 15 quarters. The position peaked at $1.47M in Q1 2025. 348 funds tracked by Wall St. Rank hold AMKR as of Q2 2025.

  • Parallax Volatility Advisers reported no remaining Amkor Technology position as of Q2 2025 after selling out during the quarter.
  • Parallax Volatility Advisers sold 81,507 Amkor Technology shares in Q2 2025, an estimated $1.47M.
  • Parallax Volatility Advisers first reported a position in Amkor Technology in Q2 2014 and held it in 15 quarters.
  • Parallax Volatility Advisers's Amkor Technology position peaked at $1.47M in Q1 2025.
  • 348 funds tracked by Wall St. Rank held Amkor Technology as of Q2 2025.

Based on Parallax Volatility Advisers's 13F filing for Q2 2025, filed 14 Aug 2025.