Marshall Wace’s ChipMOS TECHNOLOGIES IMOS Stock Holding History

Marshall Wace’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
2026 Q2	$2.21M	Buy	34,423 +1,820	+6%	+$96.3K	﹤0.01%	1806
2026 Q1	$1.17M	Buy	+32,603	New	+$1.23M	﹤0.01%	2059
2023 Q2	–	Sell	-13,696	Closed	-$344K	–	2686
2023 Q1	$344K	Sell	13,696 -30,275	-69%	-$708K	﹤0.01%	2248
2022 Q4	$942K	Sell	43,971 -19,037	-30%	-$391K	﹤0.01%	2118
2022 Q3	$1.17M	Buy	+63,008	New	+$1.42M	﹤0.01%	2334
2021 Q4	–	Sell	-5,963	Closed	-$204K	–	4057
2021 Q3	$204K	Buy	+5,963	New	+$231K	﹤0.01%	2793
2017 Q1	–	Sell	-12,892	Closed	-$214K	–	515
2016 Q4	$214K	Sell	12,892 -45,221	-78%	-$865K	﹤0.01%	919
2016 Q3	$1.27M	Sell	58,113 -19,656	-25%	-$406K	0.01%	684
2016 Q2	$1.55M	Buy	77,769 +7,969	+11%	+$157K	0.01%	641
2016 Q1	$1.34M	Buy	+69,800	New	+$1.34M	0.01%	645
2014 Q3	–	Sell	-82,782	Closed	-$2.2M	–	949
2014 Q2	$2.2M	Sell	82,782 -86,917	-51%	-$2.19M	0.03%	384
2014 Q1	$4.13M	Buy	+169,699	New	+$3.88M	0.08%	255

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

Marshall Wace's IMOS Position: Q2 2026 in Review

Marshall Wace increased its ChipMOS TECHNOLOGIES (IMOS) stake by 5.6% in Q2 2026, buying an estimated $96.3K and bringing the position to 34,423 shares worth $2.21M. The position accounts for ﹤0.01% of the portfolio, ranked #1806.

Marshall Wace first reported a position in IMOS in Q1 2014 and has held it in 12 quarters since. The position peaked at $4.13M in Q1 2014. 92 funds tracked by Wall St. Rank hold IMOS as of Q2 2026.

Marshall Wace held 34,423 shares of ChipMOS TECHNOLOGIES worth $2.21M as of Q2 2026.
Marshall Wace bought 1,820 ChipMOS TECHNOLOGIES shares in Q2 2026, an estimated $96.3K.
ChipMOS TECHNOLOGIES made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1806 holding.
Marshall Wace first reported a position in ChipMOS TECHNOLOGIES in Q1 2014 and has held it in 12 quarters since.
Marshall Wace's ChipMOS TECHNOLOGIES position peaked at $4.13M in Q1 2014.
92 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.