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 New York $72.6B AUM 54.88% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

OSAM

O'Shaughnessy Asset Management Stamford, Connecticut $21.7B AUM 41.93% 1-Year Est. Return

XY Capital Central, Hong Kong $104M AUM 8% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Personalized Indexing Management Oakland, California $12.2B AUM 47.93% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Simplex Trading's IMOS Position: Q2 2026 in Review

Simplex Trading opened a new position in ChipMOS TECHNOLOGIES (IMOS) in Q2 2026: 428 shares worth $27.5K. The stake represents ﹤0.01% of the portfolio and ranks #6826 among its holdings. This is a return to the name: Simplex Trading previously reported a position in IMOS as recently as Q2 2025.

Simplex Trading first reported a position in IMOS in Q4 2014 and has held it in 18 quarters since. The position peaked at $446K in Q4 2015. 92 funds tracked by Wall St. Rank hold IMOS as of Q2 2026.

Simplex Trading held 428 shares of ChipMOS TECHNOLOGIES worth $27.5K as of Q2 2026.
ChipMOS TECHNOLOGIES was a new Simplex Trading position in Q2 2026.
ChipMOS TECHNOLOGIES made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #6826 holding.
Simplex Trading first reported a position in ChipMOS TECHNOLOGIES in Q4 2014 and has held it in 18 quarters since.
Simplex Trading's ChipMOS TECHNOLOGIES position peaked at $446K in Q4 2015.
92 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.