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Matthew Hamilton Rosenberg’s Micron Technology MU Stock Holding History

Matthew Hamilton Rosenberg’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
Q3 		$1.34M Buy
1,257
+53
+4% +$50.3K 0.24% 51
2026
Q2 		$1.39M Hold
1,204
– – 0.26% 45
2026
Q1 		$407K Hold
1,204
– – 0.08% 112
2025
Q4 		$344K Buy
1,204
+18
+2% +$4.13K 0.07% 128
2025
Q3 		$198K Hold
1,186
– – 0.04% 207
2025
Q2 		$146K Sell
1,186
-101
-8% -$9.43K 0.03% 255
2025
Q1 		$112K Hold
1,287
– – 0.03% 294
2024
Q4 		$108K Buy
1,287
+101
+9% +$10.3K 0.03% 300
2024
Q3 		$123K Hold
1,186
– – 0.03% 278
2024
Q2 		$156K Hold
1,186
– – 0.05% 217
2024
Q1 		$147K Buy
1,186
+4
+0.3% +$362 0.04% 243
2023
Q4 		$101K Hold
1,182
– – 0.03% 306
2023
Q3 		$80.4K Hold
1,182
– – 0.03% 333
2023
Q2 		$74.6K Sell
1,182
-785
-40% -$50.5K 0.03% 360
2023
Q1 		$119K Hold
1,967
– – 0.04% 279
2022
Q4 		$98.3K Sell
1,967
-231
-11% -$12.6K 0.03% 308
2022
Q3 		$110K Hold
2,198
– – 0.04% 266
2022
Q2 		$118K Buy
2,198
+138
+7% +$9.37K 0.04% 266
2022
Q1 		$160K Buy
2,060
+93
+5% +$7.93K 0.06% 232
2021
Q4 		$183K Sell
1,967
-135
-6% -$10.5K 0.07% 198
2021
Q3 		$149K Buy
2,102
+1,082
+106% +$81.2K 0.06% 219
2021
Q2 		$87K Hold
1,020
– – 0.05% 282
2021
Q1 		$90K Hold
1,020
– – 0.05% 265
2020
Q4 		$77K Hold
1,020
– – 0.05% 267
2020
Q3 		$48K Hold
1,020
– – 0.04% 314
2020
Q2 		$53K Hold
1,020
– – 0.04% 297
2020
Q1 		$43K Buy
+1,020
New +$53K 0.04% 280

Other funds holding MU

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $161B AUM 86.05% 1-Year Est. Return

Matthew Hamilton Rosenberg's MU Position: Q3 2026 in Review

Matthew Hamilton Rosenberg increased its Micron Technology (MU) stake by 4.4% in Q3 2026, buying an estimated $50.3K and bringing the position to 1,257 shares worth $1.34M. The position accounts for 0.24% of the portfolio, ranked #51.

Matthew Hamilton Rosenberg first reported a position in MU in Q1 2020 and has held it in 27 quarters since. The position peaked at $1.39M in Q2 2026. 3,500 funds tracked by Wall St. Rank hold MU as of Q3 2026.

  • Matthew Hamilton Rosenberg held 1,257 shares of Micron Technology worth $1.34M as of Q3 2026.
  • Matthew Hamilton Rosenberg bought 53 Micron Technology shares in Q3 2026, an estimated $50.3K.
  • Micron Technology made up 0.24% of Matthew Hamilton Rosenberg's portfolio in Q3 2026, its #51 holding.
  • Matthew Hamilton Rosenberg first reported a position in Micron Technology in Q1 2020 and has held it in 27 quarters since.
  • Matthew Hamilton Rosenberg's Micron Technology position peaked at $1.39M in Q2 2026.
  • 3,500 funds tracked by Wall St. Rank held Micron Technology as of Q3 2026.

Based on Matthew Hamilton Rosenberg's 13F filing for Q3 2026, filed 5 Oct 2026.