Calamos Advisors’s Micron Technology MU Stock Holding History

Calamos Advisors’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
2022 Q3	–	Sell	-116,000	Closed	-$6.41M	–	1317
2022 Q2	$6.41M	Buy	+116,000	New	+$7.88M	0.03%	629
2022 Q1	–	Sell	-135,700	Closed	-$12.6M	–	1203
2021 Q4	$12.6M	Buy	+135,700	New	+$10.6M	0.05%	420
2021 Q3	–	Sell	-397,500	Closed	-$33.8M	–	1026
2021 Q2	$33.8M	Buy	397,500 +43,500	+12%	+$3.67M	0.15%	174
2021 Q1	$31.2M	Sell	354,000 -572,000	-62%	-$48.5M	0.17%	146
2020 Q4	$69.6M	Buy	+926,000	New	+$55.8M	0.4%	48
2020 Q1	–	Sell	-721,500	Closed	-$38.8M	–	762
2019 Q4	$38.8M	Sell	721,500 -168,200	-19%	-$8.03M	0.19%	146
2019 Q3	$38.1M	Buy	889,700 +763,500	+605%	+$34.5M	0.21%	146
2019 Q2	$4.87M	Buy	+126,200	New	+$4.81M	0.03%	530
2015 Q3	–	Sell	-4,485	Closed	-$202K	–	706
2015 Q2	$202K	Hold	4,485	–	–	﹤0.01%	670
2015 Q1	$2.12M	Buy	+4,485	New	+$134K	0.01%	488
2014 Q4	–	Sell	-17,305	Closed	-$20M	–	672
2014 Q3	$20M	Hold	17,305	–	–	0.13%	185
2014 Q2	$18M	Buy	+17,305	New	+$472K	0.11%	190

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

Calamos Advisors's MU Position: Q1 2026 in Review

Calamos Advisors reduced its Micron Technology (MU) stake by 19% in Q1 2026, selling an estimated $30M and leaving 322,206 shares worth $109M. The position accounts for 0.39% of the portfolio, ranked #42.

Calamos Advisors first reported a position in MU in Q4 2013 and has held it in 50 quarters since. The position peaked at $114M in Q4 2025. 2,990 funds tracked by Wall St. Rank hold MU as of Q1 2026.

Calamos Advisors held 322,206 shares of Micron Technology worth $109M as of Q1 2026.
Calamos Advisors sold 76,542 Micron Technology shares in Q1 2026, an estimated $30M.
Micron Technology made up 0.39% of Calamos Advisors's portfolio in Q1 2026, its #42 holding.
Calamos Advisors first reported a position in Micron Technology in Q4 2013 and has held it in 50 quarters since.
Calamos Advisors's Micron Technology position peaked at $114M in Q4 2025.
2,990 funds tracked by Wall St. Rank held Micron Technology as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.