AG
MASI

Algert Global’s Masimo MASI Stock Holding History

Algert Global’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
-3,570
Closed -$601K – 1256
2025
Q2 		$601K Sell
3,570
-3,740
-51% -$597K 0.01% 896
2025
Q1 		$1.22M Buy
+7,310
New +$1.27M 0.03% 730
2024
Q4 		– Sell
-19,139
Closed -$2.55M – 1263
2024
Q3 		$2.55M Buy
19,139
+5,260
+38% +$610K 0.07% 480
2024
Q2 		$1.75M Buy
+13,879
New +$1.83M 0.06% 509
2024
Q1 		– Sell
-3,270
Closed -$383K – 1185
2023
Q4 		$383K Buy
+3,270
New +$305K 0.02% 889
2023
Q3 		– Sell
-2,168
Closed -$357K – 1191
2023
Q2 		$357K Buy
+2,168
New +$377K 0.02% 877
2023
Q1 		– Sell
-10,094
Closed -$1.49M – 1240
2022
Q4 		$1.49M Sell
10,094
-10,592
-51% -$1.46M 0.08% 406
2022
Q3 		$2.92M Sell
20,686
-10,630
-34% -$1.55M 0.18% 160
2022
Q2 		$4.09M Sell
31,316
-5,521
-15% -$739K 0.31% 41
2022
Q1 		$5.36M Buy
36,837
+31,847
+638% +$6.11M 0.35% 27
2021
Q4 		$1.46M Buy
+4,990
New +$1.42M 0.18% 154
2020
Q2 		– Sell
-2,014
Closed -$357K – 467
2020
Q1 		$357K Hold
2,014
– – 0.15% 216
2019
Q4 		$318K Buy
+2,014
New +$303K 0.1% 255
2016
Q4 		– Sell
-53,889
Closed -$3.21M – 382
2016
Q3 		$3.21M Buy
53,889
+19,813
+58% +$1.12M 0.93% 8
2016
Q2 		$1.79M Buy
+34,076
New +$1.6M 0.73% 20

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

Algert Global's MASI Position: Q3 2025 in Review

Algert Global sold out of Masimo (MASI) in Q3 2025, closing a stake of 3,570 shares — an estimated $601K sold.

Algert Global first reported a position in MASI in Q2 2016 and held it in 15 quarters. The position peaked at $5.36M in Q1 2022. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.

  • Algert Global reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
  • Algert Global sold 3,570 Masimo shares in Q3 2025, an estimated $601K.
  • Algert Global first reported a position in Masimo in Q2 2016 and held it in 15 quarters.
  • Algert Global's Masimo position peaked at $5.36M in Q1 2022.
  • 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.

Based on Algert Global's 13F filing for Q3 2025, filed 14 Nov 2025.