SPA
MASI

Sherbrooke Park Advisers’s Masimo MASI Stock Holding History

Sherbrooke Park 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
Q4 		– Sell
-5,905
Closed -$871K – 413
2025
Q3 		$871K Buy
+5,905
New +$894K 0.41% 49
2024
Q3 		– Sell
-8,223
Closed -$1.04M – 1115
2024
Q2 		$1.04M Buy
+8,223
New +$1.08M 0.18% 166

Other funds holding MASI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
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
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
NCMU
NAYA Capital Management (UK) London, United Kingdom $1.18B AUM 13.14% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

Sherbrooke Park Advisers's MASI Position: Q4 2025 in Review

Sherbrooke Park Advisers sold out of Masimo (MASI) in Q4 2025, closing a stake of 5,905 shares — an estimated $871K sold.

Sherbrooke Park Advisers first reported a position in MASI in Q2 2024 and held it in 2 quarters. The position peaked at $1.04M in Q2 2024. 390 funds tracked by Wall St. Rank hold MASI as of Q4 2025.

  • Sherbrooke Park Advisers reported no remaining Masimo position as of Q4 2025 after selling out during the quarter.
  • Sherbrooke Park Advisers sold 5,905 Masimo shares in Q4 2025, an estimated $871K.
  • Sherbrooke Park Advisers first reported a position in Masimo in Q2 2024 and held it in 2 quarters.
  • Sherbrooke Park Advisers's Masimo position peaked at $1.04M in Q2 2024.
  • 390 funds tracked by Wall St. Rank held Masimo as of Q4 2025.

Based on Sherbrooke Park Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.