Optiver Holding
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Optiver Holding’s Micron Technology MU Stock Holding History

Optiver Holding’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
Q2 		$8.69B Buy
7,530,100
+2,617,300
+53% +$1.96B 2.34% 9
2026
Q1 		$1.66B Buy
4,912,800
+2,582,500
+111% +$1.01B 0.57% 21
2025
Q4 		$665M Buy
2,330,300
+849,600
+57% +$195M 0.25% 40
2025
Q3 		$248M Sell
1,480,700
-554,100
-27% -$70.9M 0.1% 58
2025
Q2 		$251M Sell
2,034,800
-155,000
-7% -$14.5M 0.12% 54
2025
Q1 		$190M Buy
2,189,800
+160,600
+8% +$15.4M 0.11% 49
2024
Q4 		$171M Buy
2,029,200
+366,100
+22% +$37.2M 0.09% 55
2024
Q3 		$172M Sell
1,663,100
-492,200
-23% -$51.5M 0.09% 57
2024
Q2 		$283M Buy
2,155,300
+491,000
+30% +$61.9M 0.15% 45
2024
Q1 		$196M Sell
1,664,300
-416,000
-20% -$37.7M 0.11% 58
2023
Q4 		$178M Sell
2,080,300
-13,600
-0.6% -$1.01M 0.11% 57
2023
Q3 		$142M Sell
2,093,900
-304,100
-13% -$20.4M 0.1% 63
2023
Q2 		$151M Sell
2,398,000
-210,800
-8% -$13.5M 0.11% 54
2023
Q1 		$157M Buy
2,608,800
+162,300
+7% +$9.51M 0.12% 56
2022
Q4 		$122M Sell
2,446,500
-184,100
-7% -$10.1M 0.13% 73
2022
Q3 		$132M Buy
2,630,600
+277,000
+12% +$16.1M 0.11% 52
2022
Q2 		$130M Buy
2,353,600
+703,000
+43% +$47.7M 0.14% 49
2022
Q1 		$129M Buy
1,650,600
+1,333,100
+420% +$114M 0.12% 45
2021
Q4 		$22.6M Hold
317,500
– – 0.02% 131
2021
Q3 		$22.6M Buy
+317,500
New +$23.8M 0.02% 105

Other funds holding MU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Optiver Holding's MU Position: Q2 2026 in Review

Optiver Holding increased its Micron Technology (MU) stake by 19% in Q2 2026, buying an estimated $84.2M and bringing the position to 696,131 shares worth $804M. The position accounts for 0.22% of the portfolio, ranked #50.

Optiver Holding first reported a position in MU in Q3 2021 and has held it in 18 quarters since. 3,902 funds tracked by Wall St. Rank hold MU as of Q2 2026.

  • Optiver Holding held 696,131 shares of Micron Technology worth $804M as of Q2 2026.
  • Optiver Holding bought 112,295 Micron Technology shares in Q2 2026, an estimated $84.2M.
  • Micron Technology made up 0.22% of Optiver Holding's portfolio in Q2 2026, its #50 holding.
  • Optiver Holding first reported a position in Micron Technology in Q3 2021 and has held it in 18 quarters since.
  • 3,902 funds tracked by Wall St. Rank held Micron Technology as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.