iSAM Funds (UK)’s Masimo MASI Stock Holding History

iSAM Funds (UK)’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	-1,762	Closed	-$229K	–	389
2025 Q4	$229K	Buy	1,762 +1,063	+152%	+$152K	0.08%	270
2025 Q3	$103K	Buy	+699	New	+$106K	0.02%	491

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

iSAM Funds (UK)'s MASI Position: Q1 2026 in Review

iSAM Funds (UK) sold out of Masimo (MASI) in Q1 2026, closing a stake of 1,762 shares — an estimated $229K sold.

iSAM Funds (UK) first reported a position in MASI in Q3 2025 and held it in 2 quarters. The position peaked at $229K in Q4 2025. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

iSAM Funds (UK) reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
iSAM Funds (UK) sold 1,762 Masimo shares in Q1 2026, an estimated $229K.
iSAM Funds (UK) first reported a position in Masimo in Q3 2025 and held it in 2 quarters.
iSAM Funds (UK)'s Masimo position peaked at $229K in Q4 2025.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on iSAM Funds (UK)'s 13F filing for Q1 2026, filed 13 May 2026.