UBS Group’s Masimo MASI Stock Holding History

UBS Group’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
2025 Q2	–	Sell	-20,000	Closed	-$3.33M	–	10605
2025 Q1	$3.33M	Buy	+20,000	New	+$3.47M	﹤0.01%	4213
2023 Q4	–	Sell	-18,600	Closed	-$1.63M	–	9655
2023 Q3	$1.63M	Buy	+18,600	New	+$2.16M	﹤0.01%	3641

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

UBS Group's MASI Position: Q1 2026 in Review

UBS Group reduced its Masimo (MASI) stake by 22% in Q1 2026, selling an estimated $20.6M and leaving 468,257 shares worth $83.3M. The position accounts for 0.01% of the portfolio, ranked #1197.

UBS Group first reported a position in MASI in Q4 2014 and has held it in 46 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

UBS Group held 468,257 shares of Masimo worth $83.3M as of Q1 2026.
UBS Group sold 131,017 Masimo shares in Q1 2026, an estimated $20.6M.
Masimo made up 0.01% of UBS Group's portfolio in Q1 2026, its #1197 holding.
UBS Group first reported a position in Masimo in Q4 2014 and has held it in 46 quarters since.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.