Marshall Wace
IMOS

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
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
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
OSAM
O'Shaughnessy Asset Management Stamford, Connecticut $20.1B AUM 30.42% 1-Year Est. Return
VPIM
Vanguard Personalized Indexing Management Oakland, California $10.2B AUM 34.45% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
RG
Renaissance Group Covington, Kentucky $2.39B AUM 27.81% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Marshall Wace's IMOS Position: Q1 2026 in Review

Marshall Wace opened a new position in ChipMOS TECHNOLOGIES (IMOS) in Q1 2026: 32,603 shares worth $1.17M. The stake represents ﹤0.01% of the portfolio and ranks #2059 among its holdings. This is a return to the name: Marshall Wace previously reported a position in IMOS as recently as Q1 2023.

Marshall Wace first reported a position in IMOS in Q1 2014 and has held it in 11 quarters since. The position peaked at $4.13M in Q1 2014. 72 funds tracked by Wall St. Rank hold IMOS as of Q1 2026.

  • Marshall Wace held 32,603 shares of ChipMOS TECHNOLOGIES worth $1.17M as of Q1 2026.
  • ChipMOS TECHNOLOGIES was a new Marshall Wace position in Q1 2026.
  • ChipMOS TECHNOLOGIES made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2059 holding.
  • Marshall Wace first reported a position in ChipMOS TECHNOLOGIES in Q1 2014 and has held it in 11 quarters since.
  • Marshall Wace's ChipMOS TECHNOLOGIES position peaked at $4.13M in Q1 2014.
  • 72 funds tracked by Wall St. Rank held ChipMOS TECHNOLOGIES as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.