Redmile Group’s Masimo MASI Stock Holding History

Redmile 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	-26,062	Closed	-$4.34M	–	55
2025 Q1	$4.34M	Buy	+26,062	New	+$4.52M	0.41%	39

Other funds holding MASI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

PCM

Politan Capital Management New York $255M AUM 62.37% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Redmile Group's MASI Position: Q2 2025 in Review

Redmile Group sold out of Masimo (MASI) in Q2 2025, closing a stake of 26,062 shares — an estimated $4.34M sold.

Redmile Group first reported a position in MASI in Q1 2025 and held it in 1 quarter. The position peaked at $4.34M in Q1 2025. 378 funds tracked by Wall St. Rank hold MASI as of Q2 2025.

Redmile Group reported no remaining Masimo position as of Q2 2025 after selling out during the quarter.
Redmile Group sold 26,062 Masimo shares in Q2 2025, an estimated $4.34M.
Redmile Group first reported a position in Masimo in Q1 2025 and held it in 1 quarter.
Redmile Group's Masimo position peaked at $4.34M in Q1 2025.
378 funds tracked by Wall St. Rank held Masimo as of Q2 2025.

Based on Redmile Group's 13F filing for Q2 2025, filed 14 Aug 2025.