AlphaQuest’s Masimo MASI Stock Holding History

AlphaQuest’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	-151	Closed	-$19.6K	–	1182
2025 Q4	$19.6K	Buy	+151	New	+$21.6K	﹤0.01%	2096
2024 Q4	–	Sell	-2,115	Closed	-$282K	–	1897
2024 Q3	$282K	Buy	2,115 +2,090	+8,360%	+$243K	0.03%	922
2024 Q2	$3.15K	Buy	25 +15	+150%	+$1.98K	﹤0.01%	1351
2024 Q1	$1.47K	Buy	+10	New	+$1.29K	﹤0.01%	1125

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

AlphaQuest's MASI Position: Q1 2026 in Review

AlphaQuest sold out of Masimo (MASI) in Q1 2026, closing a stake of 151 shares — an estimated $19.6K sold.

AlphaQuest first reported a position in MASI in Q1 2024 and held it in 4 quarters. The position peaked at $282K in Q3 2024. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

AlphaQuest reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
AlphaQuest sold 151 Masimo shares in Q1 2026, an estimated $19.6K.
AlphaQuest first reported a position in Masimo in Q1 2024 and held it in 4 quarters.
AlphaQuest's Masimo position peaked at $282K in Q3 2024.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.