Westfield Capital Management
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Westfield Capital Management’s Micron Technology MU Stock Holding History

Westfield Capital Management’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 		$263M Buy
228,203
+127,769
+127% +$95.8M 0.86% 17
2026
Q1 		$33.9M Buy
+100,434
New +$39.3M 0.14% 162
2024
Q4 		– Sell
-394,380
Closed -$40.9M – 262
2024
Q3 		$40.9M Buy
+394,380
New +$41.2M 0.18% 147
2021
Q4 		– Sell
-820,053
Closed -$58.2M – 256
2021
Q3 		$58.2M Sell
820,053
-29,817
-4% -$2.24M 0.35% 106
2021
Q2 		$72.2M Buy
+849,870
New +$71.7M 0.43% 86
2021
Q1 		– Sell
-717,918
Closed -$54M – 267
2020
Q4 		$54M Buy
+717,918
New +$43.3M 0.32% 110
2020
Q2 		– Sell
-684,891
Closed -$28.8M – 247
2020
Q1 		$28.8M Buy
+684,891
New +$35.6M 0.25% 118
2019
Q3 		– Sell
-1,418,588
Closed -$54.7M – 247
2019
Q2 		$54.7M Buy
+1,418,588
New +$54.1M 0.41% 85
2019
Q1 		– Sell
-1,913,272
Closed -$60.7M – 269
2018
Q4 		$60.7M Buy
1,913,272
+698,977
+58% +$26.5M 0.52% 72
2018
Q3 		$54.9M Buy
1,214,295
+271,872
+29% +$13.7M 0.39% 86
2018
Q2 		$49.4M Sell
942,423
-176,746
-16% -$9.56M 0.37% 92
2018
Q1 		$58.4M Sell
1,119,169
-365,674
-25% -$17.5M 0.45% 80
2017
Q4 		$61.1M Sell
1,484,843
-344,092
-19% -$14.8M 0.47% 81
2017
Q3 		$71.9M Buy
1,828,935
+386,019
+27% +$12.2M 0.55% 61
2017
Q2 		$43.1M Buy
1,442,916
+880,646
+157% +$25.8M 0.37% 98
2017
Q1 		$16.3M Buy
+562,270
New +$13.7M 0.14% 191
2015
Q2 		– Sell
-747,215
Closed -$20.3M – 301
2015
Q1 		$20.3M Sell
747,215
-889,736
-54% -$26.6M 0.12% 209
2014
Q4 		$57.3M Buy
+1,636,951
New +$54.2M 0.34% 101

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

Westfield Capital Management's MU Position: Q2 2026 in Review

Westfield Capital Management increased its Micron Technology (MU) stake by 127% in Q2 2026, buying an estimated $95.8M and bringing the position to 228,203 shares worth $263M. The position accounts for 0.86% of the portfolio, ranked #17.

Westfield Capital Management first reported a position in MU in Q4 2014 and has held it in 18 quarters since. 3,896 funds tracked by Wall St. Rank hold MU as of Q2 2026.

  • Westfield Capital Management held 228,203 shares of Micron Technology worth $263M as of Q2 2026.
  • Westfield Capital Management bought 127,769 Micron Technology shares in Q2 2026, an estimated $95.8M.
  • Micron Technology made up 0.86% of Westfield Capital Management's portfolio in Q2 2026, its #17 holding.
  • Westfield Capital Management first reported a position in Micron Technology in Q4 2014 and has held it in 18 quarters since.
  • 3,896 funds tracked by Wall St. Rank held Micron Technology as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.