InceptionR’s Masimo MASI Stock Holding History

InceptionR’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	-2,202	Closed	-$286K	–	794
2025 Q4	$286K	Buy	+2,202	New	+$315K	0.08%	439
2025 Q2	–	Sell	-3,583	Closed	-$597K	–	770
2025 Q1	$597K	Buy	3,583 +791	+28%	+$137K	0.18%	233
2024 Q4	$462K	Buy	2,792 +337	+14%	+$53.2K	0.1%	351
2024 Q3	$327K	Buy	+2,455	New	+$285K	0.08%	433
2023 Q4	–	Sell	-3,029	Closed	-$266K	–	467
2023 Q3	$266K	Buy	+3,029	New	+$353K	0.15%	289
2023 Q2	–	Sell	-8,864	Closed	-$1.64M	–	547
2023 Q1	$1.64M	Buy	+8,864	New	+$1.5M	0.52%	36

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

InceptionR's MASI Position: Q1 2026 in Review

InceptionR sold out of Masimo (MASI) in Q1 2026, closing a stake of 2,202 shares — an estimated $286K sold.

InceptionR first reported a position in MASI in Q1 2023 and held it in 6 quarters. The position peaked at $1.64M in Q1 2023. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

InceptionR reported no remaining Masimo position as of Q1 2026 after selling out during the quarter.
InceptionR sold 2,202 Masimo shares in Q1 2026, an estimated $286K.
InceptionR first reported a position in Masimo in Q1 2023 and held it in 6 quarters.
InceptionR's Masimo position peaked at $1.64M in Q1 2023.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on InceptionR's 13F filing for Q1 2026, filed 14 May 2026.