WS Management’s Micron Technology MU Stock Holding History

WS 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 Q1	–	Sell	-260,000	Closed	-$74.2M	–	58
2025 Q4	$74.2M	Buy	260,000 +160,000	+160%	+$36.7M	6.08%	6
2025 Q3	$16.7M	Sell	100,000 -100,000	-50%	-$12.8M	1.82%	18
2025 Q2	$24.6M	Buy	+200,000	New	+$18.7M	3.41%	10
2025 Q1	–	Sell	-200,000	Closed	-$16.8M	–	52
2024 Q4	$16.8M	Buy	200,000 +120,000	+150%	+$12.2M	1.56%	18
2024 Q3	$8.3M	Buy	+80,000	New	+$8.37M	0.58%	33
2024 Q2	–	Sell	-330,000	Closed	-$38.9M	–	58
2024 Q1	$38.9M	Buy	330,000 +230,000	+230%	+$20.8M	2.45%	12
2023 Q4	$8.53M	Buy	+100,000	New	+$7.43M	0.51%	40
2023 Q3	–	Sell	-130,000	Closed	-$8.2M	–	74
2023 Q2	$8.2M	Sell	130,000 -270,000	-68%	-$17.4M	0.69%	38
2023 Q1	$24.1M	Buy	400,000 +100,000	+33%	+$5.86M	2.55%	10
2022 Q4	$15M	Sell	300,000 -150,000	-33%	-$8.21M	1.29%	18
2022 Q3	$22.5M	Buy	450,000 +300,000	+200%	+$17.4M	2.05%	13
2022 Q2	$8.29M	Sell	150,000 -100,000	-40%	-$6.79M	0.67%	36
2022 Q1	$19.5M	Sell	250,000 -3,976,400	-94%	-$339M	0.95%	15
2021 Q4	$394M	Buy	+4,226,400	New	+$330M	31.34%	1
2021 Q3	–	Sell	-250,000	Closed	-$21.2M	–	76
2021 Q2	$21.2M	Buy	+250,000	New	+$21.1M	2.1%	11
2021 Q1	–	Sell	-200,000	Closed	-$15M	–	71
2020 Q4	$15M	Buy	200,000 +120,000	+150%	+$7.24M	1.56%	15
2020 Q3	$3.76M	Sell	80,000 -20,000	-20%	-$968K	0.41%	44
2020 Q2	$5.15M	Sell	100,000 -350,000	-78%	-$16.5M	0.63%	34
2020 Q1	$18.9M	Buy	+450,000	New	+$23.4M	2.07%	12
2019 Q3	–	Sell	-150,000	Closed	-$5.79M	–	69
2019 Q2	$5.79M	Sell	150,000 -150,000	-50%	-$5.72M	0.38%	47
2019 Q1	$12.4M	Buy	300,000 +200,000	+200%	+$7.73M	0.75%	29
2018 Q4	$3.17M	Sell	100,000 -870,000	-90%	-$33M	0.15%	60
2018 Q3	$43.9M	Sell	970,000 -3,112,600	-76%	-$157M	1.44%	20
2018 Q2	$214M	Buy	4,082,600 +3,382,600	+483%	+$183M	6.04%	4
2018 Q1	$36.5M	Sell	700,000 -3,917,700	-85%	-$188M	0.96%	25
2017 Q4	$190M	Sell	4,617,700 -11,940,900	-72%	-$514M	5.58%	4
2017 Q3	$651M	Buy	16,558,600 +14,535,600	+719%	+$460M	16.23%	1
2017 Q2	$60.4M	Buy	2,023,000 +1,723,000	+574%	+$50.4M	2.25%	12
2017 Q1	$8.67M	Buy	+300,000	New	+$7.33M	0.34%	50
2015 Q4	–	Sell	-750,000	Closed	-$11.2M	–	86
2015 Q3	$11.2M	Sell	750,000 -1,650,000	-69%	-$28.4M	0.44%	45
2015 Q2	$45.2M	Buy	2,400,000 +2,175,900	+971%	+$58M	1.57%	16
2015 Q1	$6.08M	Buy	+224,100	New	+$6.7M	0.2%	59

Other funds holding MU

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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 Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

WS Management's MU Position: Q1 2026 in Review

WS Management reduced its Micron Technology (MU) stake by 42% in Q1 2026, selling an estimated $102M and leaving 360,000 shares worth $122M. The position accounts for 10.74% of the portfolio, ranked #1.

WS Management first reported a position in MU in Q2 2013 and has held it in 52 quarters since. The position peaked at $714M in Q1 2018. 2,989 funds tracked by Wall St. Rank hold MU as of Q1 2026.

WS Management held 360,000 shares of Micron Technology worth $122M as of Q1 2026.
WS Management sold 260,100 Micron Technology shares in Q1 2026, an estimated $102M.
Micron Technology made up 10.74% of WS Management's portfolio in Q1 2026, its #1 holding.
WS Management first reported a position in Micron Technology in Q2 2013 and has held it in 52 quarters since.
WS Management's Micron Technology position peaked at $714M in Q1 2018.
2,989 funds tracked by Wall St. Rank held Micron Technology as of Q1 2026.

Based on WS Management's 13F filing for Q1 2026, filed 15 May 2026.