Amundi
MASI

Amundi’s Masimo MASI Stock Holding History

Amundi’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
2026
Q1 		$43.2M Buy
243,143
+199,283
+454% +$31.3M 0.01% 624
2025
Q4 		$5.7M Sell
43,860
-41,034
-48% -$5.88M ﹤0.01% 1009
2025
Q3 		$12.6M Buy
84,894
+43,311
+104% +$6.56M ﹤0.01% 821
2025
Q2 		$7.12M Buy
41,583
+416
+1% +$66.4K ﹤0.01% 871
2025
Q1 		$6.27M Sell
41,167
-70,314
-63% -$12.2M ﹤0.01% 917
2024
Q4 		$18.8M Buy
111,481
+87,446
+364% +$13.8M 0.01% 733
2024
Q3 		$3.36M Buy
+24,035
New +$2.79M ﹤0.01% 1052
2024
Q2 		– Sell
-2
Closed -$272 – 1997
2024
Q1 		$272 Sell
2
-6,404
-100% -$827K ﹤0.01% 1995
2023
Q4 		$727K Sell
6,406
-765
-11% -$71.3K ﹤0.01% 1375
2023
Q3 		$555K Sell
7,171
-50,150
-87% -$5.84M ﹤0.01% 1396
2023
Q2 		$9.23M Sell
57,321
-14,108
-20% -$2.46M ﹤0.01% 863
2023
Q1 		$13.1M Sell
71,429
-43,079
-38% -$7.27M 0.01% 786
2022
Q4 		$18M Buy
114,508
+8,938
+8% +$1.23M 0.01% 725
2022
Q3 		$15.4M Buy
105,570
+6,066
+6% +$886K 0.01% 745
2022
Q2 		$12.5M Sell
99,504
-3,493
-3% -$467K 0.01% 721
2022
Q1 		$15.2M Sell
102,997
-1,069
-1% -$205K 0.01% 731
2021
Q4 		$24.7M Buy
104,066
+4,638
+5% +$1.32M 0.02% 630
2021
Q3 		$26.9M Buy
99,428
+3,341
+3% +$906K 0.02% 606
2021
Q2 		$23.3M Buy
+96,087
New +$21.9M 0.02% 639

Other funds holding MASI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PCM
Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return
PCM
Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Amundi's MASI Position: Q1 2026 in Review

Amundi increased its Masimo (MASI) stake by 454% in Q1 2026, buying an estimated $31.3M and bringing the position to 243,143 shares worth $43.2M. The position accounts for 0.01% of the portfolio, ranked #624.

Amundi first reported a position in MASI in Q2 2021 and has held it in 19 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Amundi held 243,143 shares of Masimo worth $43.2M as of Q1 2026.
  • Amundi bought 199,283 Masimo shares in Q1 2026, an estimated $31.3M.
  • Masimo made up 0.01% of Amundi's portfolio in Q1 2026, its #624 holding.
  • Amundi first reported a position in Masimo in Q2 2021 and has held it in 19 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Amundi's 13F filing for Q1 2026, filed 18 May 2026.