Marshall Wace
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Marshall Wace’s STMicroelectronics STM Stock Holding History

Marshall Wace’s Portfolio STM Stock Details STM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$77.8M Buy
2,251,593
+604,288
+37% +$18.9M 0.08% 233
2025
Q4 		$42.7M Buy
+1,647,305
New +$42.3M 0.04% 386
2025
Q2 		– Sell
-133,685
Closed -$2.94M – 3152
2025
Q1 		$2.94M Sell
133,685
-192,926
-59% -$4.74M ﹤0.01% 1298
2024
Q4 		$8.16M Buy
326,611
+171,541
+111% +$4.55M 0.01% 870
2024
Q3 		$4.61M Buy
+155,070
New +$5.12M 0.01% 1023
2024
Q2 		– Sell
-868,284
Closed -$37.5M – 2940
2024
Q1 		$37.5M Buy
+868,284
New +$39.2M 0.06% 316
2023
Q1 		– Sell
-1,240,088
Closed -$44.1M – 3080
2022
Q4 		$44.1M Buy
+1,240,088
New +$43.7M 0.1% 224
2021
Q3 		– Sell
-251,638
Closed -$9.15M – 3411
2021
Q2 		$9.15M Buy
+251,638
New +$9.41M 0.04% 523
2021
Q1 		– Sell
-40,270
Closed -$1.5M – 2837
2020
Q4 		$1.5M Buy
+40,270
New +$1.43M 0.01% 1053
2020
Q1 		– Sell
-1,754
Closed -$47K – 2042
2019
Q4 		$47K Buy
+1,754
New +$41.5K ﹤0.01% 1550
2019
Q2 		– Sell
-5,335
Closed -$79K – 1820
2019
Q1 		$79K Sell
5,335
-1,392,381
-100% -$21.6M ﹤0.01% 1474
2018
Q4 		$19.4M Buy
+1,397,716
New +$20.9M 0.2% 118
2018
Q3 		– Sell
-135,839
Closed -$3M – 1276
2018
Q2 		$3M Buy
+135,839
New +$3.16M 0.05% 370

Other funds holding STM

VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
SPC
Slate Path Capital New York $6.73B AUM 95.97% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Marshall Wace's STM Position: Q1 2026 in Review

Marshall Wace increased its STMicroelectronics (STM) stake by 37% in Q1 2026, buying an estimated $18.9M and bringing the position to 2,251,593 shares worth $77.8M. The position accounts for 0.08% of the portfolio, ranked #233.

Marshall Wace first reported a position in STM in Q2 2018 and has held it in 13 quarters since. 392 funds tracked by Wall St. Rank hold STM as of Q1 2026.

  • Marshall Wace held 2,251,593 shares of STMicroelectronics worth $77.8M as of Q1 2026.
  • Marshall Wace bought 604,288 STMicroelectronics shares in Q1 2026, an estimated $18.9M.
  • STMicroelectronics made up 0.08% of Marshall Wace's portfolio in Q1 2026, its #233 holding.
  • Marshall Wace first reported a position in STMicroelectronics in Q2 2018 and has held it in 13 quarters since.
  • 392 funds tracked by Wall St. Rank held STMicroelectronics as of Q1 2026.

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