QCM
MASI

Qsemble Capital Management’s Masimo MASI Stock Holding History

Qsemble Capital Management’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
-1,525
Closed -$257K – 543
2025
Q2 		$257K Buy
+1,525
New +$244K 0.02% 388
2024
Q4 		– Sell
-1,617
Closed -$216K – 470
2024
Q3 		$216K Sell
1,617
-1,154
-42% -$134K 0.04% 345
2024
Q2 		$349K Buy
2,771
+1,103
+66% +$145K 0.07% 335
2024
Q1 		$245K Buy
+1,668
New +$215K 0.05% 368
2023
Q4 		– Sell
-21,400
Closed -$1.88M – 429
2023
Q3 		$1.88M Buy
+21,400
New +$2.49M 0.35% 103

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
Vanguard Group
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
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
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

Qsemble Capital Management's MASI Position: Q3 2025 in Review

Qsemble Capital Management sold out of Masimo (MASI) in Q3 2025, closing a stake of 1,525 shares — an estimated $257K sold.

Qsemble Capital Management first reported a position in MASI in Q3 2023 and held it in 5 quarters. The position peaked at $1.88M in Q3 2023. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.

  • Qsemble Capital Management reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
  • Qsemble Capital Management sold 1,525 Masimo shares in Q3 2025, an estimated $257K.
  • Qsemble Capital Management first reported a position in Masimo in Q3 2023 and held it in 5 quarters.
  • Qsemble Capital Management's Masimo position peaked at $1.88M in Q3 2023.
  • 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.

Based on Qsemble Capital Management's 13F filing for Q3 2025, filed 13 Nov 2025.