MGP
MASI

M&G plc’s Masimo MASI Stock Holding History

M&G plc’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 		$289K Hold
1,623
– – ﹤0.01% 353
2025
Q4 		$211K Hold
1,623
– – ﹤0.01% 363
2025
Q3 		$240K Hold
1,623
– – ﹤0.01% 344
2025
Q2 		$273K Buy
1,623
+13
+0.8% +$2.08K ﹤0.01% 381
2025
Q1 		$269K Hold
1,610
– – ﹤0.01% 400
2024
Q4 		$266K Sell
1,610
-1,443
-47% -$228K ﹤0.01% 406
2024
Q3 		$406K Sell
3,053
-187
-6% -$21.7K ﹤0.01% 395
2024
Q2 		$408K Buy
3,240
+149
+5% +$19.6K ﹤0.01% 379
2024
Q1 		$454K Buy
+3,091
New +$399K ﹤0.01% 353

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

M&G plc's MASI Position: Q1 2026 in Review

M&G plc held its Masimo (MASI) position steady in Q1 2026 at 1,623 shares worth $289K. The position accounts for ﹤0.01% of the portfolio, ranked #353.

M&G plc first reported a position in MASI in Q1 2024 and has held it in 9 quarters since. The position peaked at $454K in Q1 2024. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • M&G plc held 1,623 shares of Masimo worth $289K as of Q1 2026.
  • M&G plc left its Masimo share count unchanged in Q1 2026.
  • Masimo made up ﹤0.01% of M&G plc's portfolio in Q1 2026, its #353 holding.
  • M&G plc first reported a position in Masimo in Q1 2024 and has held it in 9 quarters since.
  • M&G plc's Masimo position peaked at $454K in Q1 2024.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on M&G plc's 13F filing for Q1 2026, filed 13 May 2026.