FMP
MASI

Financial Management Professionals’s Masimo MASI Stock Holding History

Financial Management Professionals’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
Closed -$168 – 1017
2025
Q2 		$168 Buy
+1
New +$160 ﹤0.01% 986
2023
Q3 		– Sell
-2
Closed – – 980
2023
Q2 		$0 Hold
2
– – ﹤0.01% 1033
2023
Q1 		$0 Hold
2
– – ﹤0.01% 1083
2022
Q4 		$0 Hold
2
– – ﹤0.01% 1016
2022
Q3 		$0 Buy
2
+1
+100% +$146 ﹤0.01% 1036
2022
Q2 		$0 Buy
+1
New +$134 ﹤0.01% 1048
2022
Q1 		– Sell
-5
Closed -$1K – 1102
2021
Q4 		$1K Buy
5
+2
+67% +$570 ﹤0.01% 854
2021
Q3 		$1K Buy
+3
New +$813 ﹤0.01% 838
2017
Q2 		– Sell
-120
Closed -$11K – 277
2017
Q1 		$11K Buy
+120
New +$9.88K 0.01% 164

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

Financial Management Professionals's MASI Position: Q3 2025 in Review

Financial Management Professionals sold out of Masimo (MASI) in Q3 2025, closing a stake of 1 share — an estimated $168 sold.

Financial Management Professionals first reported a position in MASI in Q1 2017 and held it in 9 quarters. The position peaked at $11K in Q1 2017. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.

  • Financial Management Professionals reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
  • Financial Management Professionals sold 1 Masimo share in Q3 2025, an estimated $168.
  • Financial Management Professionals first reported a position in Masimo in Q1 2017 and held it in 9 quarters.
  • Financial Management Professionals's Masimo position peaked at $11K in Q1 2017.
  • 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.

Based on Financial Management Professionals's 13F filing for Q3 2025, filed 15 Oct 2025.