PEAK6’s Masimo MASI Stock Holding History

PEAK6’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 Q1	–	Sell	-12,700	Closed	-$2.1M	–	3358
2024 Q4	$2.1M	Buy	+12,700	New	+$2.01M	﹤0.01%	1387

Other funds holding MASI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

PCM

Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return

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

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return

DCP

Durable Capital Partners Bethesda, Maryland $9.71B AUM 26.27% 1-Year Est. Return

PEAK6's MASI Position: Q1 2025 in Review

PEAK6 sold out of Masimo (MASI) in Q1 2025, closing a stake of 3,196 shares — an estimated $528K sold.

PEAK6 first reported a position in MASI in Q4 2024 and held it in 1 quarter. The position peaked at $528K in Q4 2024. 394 funds tracked by Wall St. Rank hold MASI as of Q1 2025.

PEAK6 reported no remaining Masimo position as of Q1 2025 after selling out during the quarter.
PEAK6 sold 3,196 Masimo shares in Q1 2025, an estimated $528K.
PEAK6 first reported a position in Masimo in Q4 2024 and held it in 1 quarter.
PEAK6's Masimo position peaked at $528K in Q4 2024.
394 funds tracked by Wall St. Rank held Masimo as of Q1 2025.

Based on PEAK6's 13F filing for Q1 2025, filed 14 May 2025.