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
2023
Q3 		– Sell
-400
Closed -$9K – 9169
2023
Q2 		$9K Buy
+400
New +$10K ﹤0.01% 7493
2022
Q2 		– Sell
-100
Closed -$3K – 10452
2022
Q1 		$3K Buy
+100
New +$3.48K ﹤0.01% 9707
2017
Q4 		– Sell
-20
Closed -$1K – 6287
2017
Q3 		$1K Buy
+20
New +$443 ﹤0.01% 5448
2017
Q2 		– Sell
-172
Closed -$28K – 6410
2017
Q1 		$28K Buy
+172
New +$3.24K ﹤0.01% 2914
2016
Q4 		– Sell
-333
Closed -$17K – 6140
2016
Q3 		$17K Buy
333
+240
+258% +$4.96K ﹤0.01% 3127
2016
Q2 		$5K Sell
93
-32
-26% -$629 ﹤0.01% 4245
2016
Q1 		$5K Buy
125
+64
+105% +$1.23K ﹤0.01% 4083
2015
Q4 		$15K Sell
61
-32
-34% -$651 ﹤0.01% 2944
2015
Q3 		$9K Buy
+93
New +$1.84K ﹤0.01% 3541
2015
Q2 		– Sell
-160
Closed -$8K – 5473
2015
Q1 		$8K Buy
+160
New +$4.16K ﹤0.01% 3118

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.