Marshall Wace
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Marshall Wace’s Micron Technology MU Stock Holding History

Marshall Wace’s Portfolio MU Stock Details MU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$24.6M Sell
72,700
-236,900
-77% -$92.8M 0.02% 627
2025
Q4 		$88.4M Sell
309,600
-50,000
-14% -$11.5M 0.08% 195
2025
Q3 		$60.2M Buy
359,600
+145,000
+68% +$18.6M 0.06% 274
2025
Q2 		$26.4M Buy
214,600
+40,000
+23% +$3.74M 0.03% 485
2025
Q1 		$15.2M Buy
174,600
+7,200
+4% +$692K 0.02% 612
2024
Q4 		$14.1M Sell
167,400
-113,800
-40% -$11.6M 0.02% 668
2024
Q3 		$29.2M Buy
281,200
+187,100
+199% +$19.6M 0.04% 403
2024
Q2 		$12.4M Buy
94,100
+51,600
+121% +$6.5M 0.02% 643
2024
Q1 		$5.3M Buy
42,500
+42,000
+8,400% +$3.8M 0.01% 978
2023
Q4 		$42.7K Buy
+500
New +$37.1K ﹤0.01% 2081
2023
Q3 		– Sell
-343,300
Closed -$21.7M – 2513
2023
Q2 		$21.7M Buy
343,300
+265,500
+341% +$17.1M 0.04% 455
2023
Q1 		$4.69M Sell
77,800
-159,400
-67% -$9.34M 0.01% 1031
2022
Q4 		$11.9M Buy
237,200
+136,000
+134% +$7.44M 0.03% 717
2022
Q3 		$5.07M Buy
101,200
+97,800
+2,876% +$5.67M 0.01% 1358
2022
Q2 		$189K Buy
3,400
+3,200
+1,600% +$217K ﹤0.01% 3182
2022
Q1 		$16K Sell
200
-804,600
-100% -$68.6M ﹤0.01% 3265
2021
Q4 		$75M Buy
804,800
+602,900
+299% +$47.1M 0.14% 137
2021
Q3 		$14.3M Sell
201,900
-2,100
-1% -$158K 0.06% 374
2021
Q2 		$17.3M Buy
204,000
+127,200
+166% +$10.7M 0.08% 276
2021
Q1 		$6.77M Buy
+76,800
New +$6.52M 0.03% 661

Other funds holding MU

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Marshall Wace's MU Position: Q1 2026 in Review

Marshall Wace increased its Micron Technology (MU) stake by 25% in Q1 2026, buying an estimated $70.1M and bringing the position to 901,436 shares worth $305M. The position accounts for 0.3% of the portfolio, ranked #43.

Marshall Wace first reported a position in MU in Q2 2013 and has held it in 45 quarters since. The position peaked at $507M in Q4 2021. 2,990 funds tracked by Wall St. Rank hold MU as of Q1 2026.

  • Marshall Wace held 901,436 shares of Micron Technology worth $305M as of Q1 2026.
  • Marshall Wace bought 179,020 Micron Technology shares in Q1 2026, an estimated $70.1M.
  • Micron Technology made up 0.3% of Marshall Wace's portfolio in Q1 2026, its #43 holding.
  • Marshall Wace first reported a position in Micron Technology in Q2 2013 and has held it in 45 quarters since.
  • Marshall Wace's Micron Technology position peaked at $507M in Q4 2021.
  • 2,990 funds tracked by Wall St. Rank held Micron Technology as of Q1 2026.

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