WPG Advisers’s Masimo MASI Stock Holding History

WPG Advisers’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 Q3	–	Sell	-15	Closed	-$2.52K	–	1476
2025 Q2	$2.52K	Hold	15	–	–	﹤0.01%	1066
2025 Q1	$2.5K	Sell	15 -6	-29%	-$1.04K	﹤0.01%	1070
2024 Q4	$3.47K	Buy	+21	New	+$3.32K	﹤0.01%	927

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

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

PCM

Politan Capital Management New York $985M AUM 3.12% 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

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

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

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

WPG Advisers's MASI Position: Q3 2025 in Review

WPG Advisers sold out of Masimo (MASI) in Q3 2025, closing a stake of 15 shares — an estimated $2.52K sold.

WPG Advisers first reported a position in MASI in Q4 2024 and held it in 3 quarters. The position peaked at $3.47K in Q4 2024. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.

WPG Advisers reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
WPG Advisers sold 15 Masimo shares in Q3 2025, an estimated $2.52K.
WPG Advisers first reported a position in Masimo in Q4 2024 and held it in 3 quarters.
WPG Advisers's Masimo position peaked at $3.47K in Q4 2024.
358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.

Based on WPG Advisers's 13F filing for Q3 2025, filed 29 Oct 2025.