Investors Portfolio Services’s Masimo MASI Stock Holding History

Investors Portfolio Services’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	–	Sell	-1	Closed	-$82	–	736
2025 Q4	$82	Buy	+1	New	+$143	﹤0.01%	399

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

Investors Portfolio Services's MASI Position: Q1 2026 in Review

Investors Portfolio Services sold out of Masimo (MASI) in Q1 2026, closing a stake of 1 share — an estimated $82 sold.

Investors Portfolio Services first reported a position in MASI in Q4 2025 and held it in 1 quarter. The position peaked at $82 in Q4 2025. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

Investors Portfolio Services reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
Investors Portfolio Services sold 1 Masimo share in Q1 2026, an estimated $82.
Investors Portfolio Services first reported a position in Masimo in Q4 2025 and held it in 1 quarter.
Investors Portfolio Services's Masimo position peaked at $82 in Q4 2025.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Investors Portfolio Services's 13F filing for Q1 2026, filed 14 May 2026.