Simplex Trading
IMOS

Simplex Trading’s ChipMOS TECHNOLOGIES IMOS Stock Holding History

Simplex Trading’s Portfolio IMOS Stock Details IMOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-159
Closed -$2K – 9484
2025
Q2 		$2K Buy
+159
New +$2.81K ﹤0.01% 8141
2022
Q4 		– Sell
-314
Closed -$5K – 9728
2022
Q3 		$5K Buy
+314
New +$7.09K ﹤0.01% 8774
2022
Q2 		– Sell
-4,715
Closed -$167K – 10453
2022
Q1 		$167K Buy
4,715
+4,614
+4,568% +$161K ﹤0.01% 5415
2021
Q4 		$3K Sell
101
-335
-77% -$11.1K ﹤0.01% 9829
2021
Q3 		$15K Hold
436
– – ﹤0.01% 8661
2021
Q2 		$14K Buy
436
+336
+336% +$11.1K ﹤0.01% 8870
2021
Q1 		$3K Buy
+100
New +$2.68K ﹤0.01% 8371
2018
Q2 		– Sell
-335
Closed -$6K – 7590
2018
Q1 		$6K Sell
335
-365
-52% -$7.46K ﹤0.01% 4481
2017
Q4 		$14K Sell
700
-2,086
-75% -$47K ﹤0.01% 3629
2017
Q3 		$63K Buy
2,786
+1,691
+154% +$37.5K ﹤0.01% 2089
2017
Q2 		$25K Buy
+1,095
New +$24.4K ﹤0.01% 3085
2016
Q3 		– Sell
-13,356
Closed -$276K – 6091
2016
Q2 		$266K Buy
+13,356
New +$263K 0.02% 829
2016
Q1 		– Sell
-20,449
Closed -$393K – 5883
2015
Q4 		$446K Buy
20,449
+9,445
+86% +$192K 0.03% 474
2015
Q3 		$199K Buy
11,004
+3,524
+47% +$69.6K 0.01% 922
2015
Q2 		$180K Buy
7,480
+7,209
+2,660% +$185K 0.02% 852
2015
Q1 		$7K Sell
271
-2,588
-91% -$67.3K ﹤0.01% 3223
2014
Q4 		$73K Buy
+2,859
New +$68.4K 0.01% 1123

Other funds holding IMOS

Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 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
VPIM
Vanguard Personalized Indexing Management Oakland, California $10.2B AUM 34.45% 1-Year Est. Return
RG
Renaissance Group Covington, Kentucky $2.39B AUM 27.81% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
RhumbLine Advisers
RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Simplex Trading's IMOS Position: Q3 2025 in Review

Simplex Trading sold out of ChipMOS TECHNOLOGIES (IMOS) in Q3 2025, closing a stake of 159 shares — an estimated $2K sold.

Simplex Trading first reported a position in IMOS in Q4 2014 and held it in 17 quarters. The position peaked at $446K in Q4 2015. 51 funds tracked by Wall St. Rank hold IMOS as of Q3 2025.

  • Simplex Trading reported no remaining ChipMOS TECHNOLOGIES position as of Q3 2025 after selling out during the quarter.
  • Simplex Trading sold 159 ChipMOS TECHNOLOGIES shares in Q3 2025, an estimated $2K.
  • Simplex Trading first reported a position in ChipMOS TECHNOLOGIES in Q4 2014 and held it in 17 quarters.
  • Simplex Trading's ChipMOS TECHNOLOGIES position peaked at $446K in Q4 2015.
  • 51 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q3 2025.

Based on Simplex Trading's 13F filing for Q3 2025, filed 12 Nov 2025.