Ray Dalio
MASI

Ray Dalio’s Masimo MASI Stock Holding History

Ray Dalio’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 		$338K Buy
1,899
+280
+17% +$43.9K ﹤0.01% 940
2025
Q4 		$211K Sell
1,619
-95
-6% -$13.6K ﹤0.01% 1035
2025
Q3 		$253K Buy
1,714
+69
+4% +$10.4K ﹤0.01% 982
2025
Q2 		$277K Sell
1,645
-473
-22% -$75.5K ﹤0.01% 563
2025
Q1 		$353K Sell
2,118
-9,273
-81% -$1.61M ﹤0.01% 599
2024
Q4 		$1.88M Buy
11,391
+3,774
+50% +$596K 0.01% 445
2024
Q3 		$1.02M Sell
7,617
-2,845
-27% -$330K 0.01% 600
2024
Q2 		$1.32M Sell
10,462
-3,425
-25% -$451K 0.01% 615
2024
Q1 		$2.04M Sell
13,887
-31,839
-70% -$4.11M 0.01% 495
2023
Q4 		$5.36M Sell
45,726
-7,442
-14% -$694K 0.03% 356
2023
Q3 		$4.66M Sell
53,168
-2,511
-5% -$292K 0.03% 373
2023
Q2 		$9.16M Sell
55,679
-5,771
-9% -$1M 0.06% 213
2023
Q1 		$11.3M Buy
61,450
+882
+1% +$149K 0.07% 195
2022
Q4 		$8.96M Sell
60,568
-18,066
-23% -$2.49M 0.05% 264
2022
Q3 		$11.1M Sell
78,634
-33,739
-30% -$4.93M 0.06% 237
2022
Q2 		$14.7M Buy
112,373
+35,276
+46% +$4.72M 0.06% 257
2022
Q1 		$11.2M Buy
77,097
+20,261
+36% +$3.89M 0.05% 280
2021
Q4 		$16.6M Buy
56,836
+83
+0.1% +$23.6K 0.1% 139
2021
Q3 		$15.4M Sell
56,753
-6,847
-11% -$1.86M 0.08% 150
2021
Q2 		$15.4M Buy
63,600
+25,147
+65% +$5.74M 0.1% 159
2021
Q1 		$8.83M Buy
38,453
+7,073
+23% +$1.78M 0.08% 172
2020
Q4 		$8.42M Buy
31,380
+18,149
+137% +$4.53M 0.07% 144
2020
Q3 		$3.12M Buy
+13,231
New +$2.97M 0.04% 197

Other funds holding MASI

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $315B AUM 27.84% 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 $3.37T AUM 44.26% 1-Year Est. Return

Ray Dalio's MASI Position: Q1 2026 in Review

Ray Dalio increased its Masimo (MASI) stake by 17% in Q1 2026, buying an estimated $43.9K and bringing the position to 1,899 shares worth $338K. The position accounts for ﹤0.01% of the portfolio, ranked #940.

Ray Dalio first reported a position in MASI in Q3 2020 and has held it in 23 quarters since. The position peaked at $16.6M in Q4 2021. 446 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Ray Dalio held 1,899 shares of Masimo worth $338K as of Q1 2026.
  • Ray Dalio bought 280 Masimo shares in Q1 2026, an estimated $43.9K.
  • Masimo made up ﹤0.01% of Ray Dalio's portfolio in Q1 2026, its #940 holding.
  • Ray Dalio first reported a position in Masimo in Q3 2020 and has held it in 23 quarters since.
  • Ray Dalio's Masimo position peaked at $16.6M in Q4 2021.
  • 446 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Bridgewater Associates's 13F filing for Q1 2026, filed 15 May 2026.