Moore Capital Management’s Masimo MASI Stock Holding History

Moore Capital Management’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 Q1	$1.78M	Buy	+10,020	New	+$1.57M	0.04%	305
2022 Q2	–	Sell	-11,826	Closed	-$1.72M	–	762
2022 Q1	$1.72M	Sell	11,826 -78,005	-87%	-$15M	0.04%	390
2021 Q4	$26.3M	Buy	+89,831	New	+$25.6M	0.52%	35
2021 Q3	–	Sell	-67,819	Closed	-$16.4M	–	844
2021 Q2	$16.4M	Sell	67,819 -18,731	-22%	-$4.27M	0.23%	92
2021 Q1	$19.9M	Buy	+86,550	New	+$21.7M	0.25%	76

Other funds holding MASI

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

PCM

Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return

PCM

Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

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

Moore Capital Management's MASI Position: Q1 2026 in Review

Moore Capital Management opened a new position in Masimo (MASI) in Q1 2026: 10,020 shares worth $1.78M. The stake represents 0.04% of the portfolio and ranks #305 among its holdings. This is a return to the name: Moore Capital Management previously reported a position in MASI as recently as Q1 2022.

Moore Capital Management first reported a position in MASI in Q1 2021 and has held it in 5 quarters since. The position peaked at $26.3M in Q4 2021. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

Moore Capital Management held 10,020 shares of Masimo worth $1.78M as of Q1 2026.
Masimo was a new Moore Capital Management position in Q1 2026.
Masimo made up 0.04% of Moore Capital Management's portfolio in Q1 2026, its #305 holding.
Moore Capital Management first reported a position in Masimo in Q1 2021 and has held it in 5 quarters since.
Moore Capital Management's Masimo position peaked at $26.3M in Q4 2021.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

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