Calamos Advisors’s Masimo MASI Stock Holding History

Calamos Advisors’s Portfolio MASI Stock Details MASI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-1,511	Closed	-$269K	–	1147
2026 Q1	$269K	Buy	+1,511	New	+$237K	﹤0.01%	1065
2025 Q3	–	Sell	-5,617	Closed	-$945K	–	970
2025 Q2	$945K	Sell	5,617 -17,832	-76%	-$2.85M	﹤0.01%	699
2025 Q1	$3.91M	Buy	23,449 +7,169	+44%	+$1.24M	0.02%	545
2024 Q4	$2.69M	Buy	+16,280	New	+$2.57M	0.01%	577
2021 Q1	–	Sell	-3,759	Closed	-$1.01M	–	939
2020 Q4	$1.01M	Buy	3,759 +1,233	+49%	+$307K	0.01%	685
2020 Q3	$596K	Sell	2,526 -978	-28%	-$219K	﹤0.01%	677
2020 Q2	$799K	Buy	+3,504	New	+$769K	0.01%	653

Other funds holding MASI

IFP Advisors Tampa, Florida $5.86B AUM 20.09% 1-Year Est. Return

Huntington National Bank Columbus, Ohio $20.6B AUM 34.61% 1-Year Est. Return

Calamos Advisors's MASI Position: Q2 2026 in Review

Calamos Advisors sold out of Masimo (MASI) in Q2 2026, closing a stake of 1,511 shares — an estimated $269K sold.

Calamos Advisors first reported a position in MASI in Q2 2020 and held it in 7 quarters. The position peaked at $3.91M in Q1 2025. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

Calamos Advisors reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
Calamos Advisors sold 1,511 Masimo shares in Q2 2026, an estimated $269K.
Calamos Advisors first reported a position in Masimo in Q2 2020 and held it in 7 quarters.
Calamos Advisors's Masimo position peaked at $3.91M in Q1 2025.
2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.