UOC
MU icon

UBS O'Connor’s Micron Technology MU Stock Holding History

UBS O'Connor’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
2025
Q3 		– Sell
-20,000
Closed -$2.46M – 395
2025
Q2 		$2.46M Buy
+20,000
New +$1.87M 0.07% 139
2024
Q4 		– Sell
-27,500
Closed -$2.85M – 522
2024
Q3 		$2.85M Buy
27,500
+22,500
+450% +$2.35M 0.07% 137
2024
Q2 		$658K Sell
5,000
-20,000
-80% -$2.52M 0.02% 349
2024
Q1 		$2.95M Sell
25,000
-65,000
-72% -$5.88M 0.08% 126
2023
Q4 		$7.68M Buy
+90,000
New +$6.69M 0.24% 47
2023
Q3 		– Sell
-30,000
Closed -$1.89M – 604
2023
Q2 		$1.89M Hold
30,000
– – 0.04% 306
2023
Q1 		$1.81M Buy
+30,000
New +$1.76M 0.04% 340
2019
Q1 		– Sell
-49,172
Closed -$1.56M – 261
2018
Q4 		$1.56M Buy
+49,172
New +$1.86M 0.06% 150
2017
Q3 		– Sell
-50,000
Closed -$1.49M – 407
2017
Q2 		$1.49M Buy
+50,000
New +$1.46M 0.02% 283
2016
Q4 		– Sell
-436,673
Closed -$7.76M – 445
2016
Q3 		$7.76M Buy
+436,673
New +$6.66M 0.12% 160
2015
Q4 		– Sell
-1,429,446
Closed -$21.4M – 506
2015
Q3 		$21.4M Sell
1,429,446
-596,652
-29% -$10.3M 0.2% 127
2015
Q2 		$38.2M Sell
2,026,098
-2,595,818
-56% -$69.2M 0.31% 88
2015
Q1 		$125M Buy
4,621,916
+2,192,384
+90% +$65.5M 1.21% 11
2014
Q4 		$85.1M Buy
2,429,532
+121,211
+5% +$4.01M 1.48% 13
2014
Q3 		$79.1M Buy
2,308,321
+281,317
+14% +$9.11M 1.37% 11
2014
Q2 		$66.8M Buy
2,027,004
+152,534
+8% +$4.16M 0.43% 13
2014
Q1 		$44.4M Buy
1,874,470
+934,702
+99% +$22.2M 0.84% 24
2013
Q4 		$20.4M Buy
+939,768
New +$18.3M 0.38% 97

Other funds holding MU

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

UBS O'Connor's MU Position: Q3 2025 in Review

UBS O'Connor sold out of Micron Technology (MU) in Q3 2025, closing a stake of 20,000 shares — an estimated $2.46M sold.

UBS O'Connor first reported a position in MU in Q4 2013 and held it in 18 quarters. The position peaked at $125M in Q1 2015. 2,096 funds tracked by Wall St. Rank hold MU as of Q3 2025.

  • UBS O'Connor reported no remaining Micron Technology position as of Q3 2025 after selling out during the quarter.
  • UBS O'Connor sold 20,000 Micron Technology shares in Q3 2025, an estimated $2.46M.
  • UBS O'Connor first reported a position in Micron Technology in Q4 2013 and held it in 18 quarters.
  • UBS O'Connor's Micron Technology position peaked at $125M in Q1 2015.
  • 2,096 funds tracked by Wall St. Rank held Micron Technology as of Q3 2025.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.