QCM
MASI

Quantinno Capital Management’s Masimo MASI Stock Holding History

Quantinno Capital Management’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 		$4M Buy
22,501
+9,248
+70% +$1.45M 0.01% 1249
2025
Q4 		$1.72M Sell
13,253
-26,336
-67% -$3.77M ﹤0.01% 1434
2025
Q3 		$5.84M Sell
39,589
-80,794
-67% -$12.2M 0.02% 870
2025
Q2 		$20.3M Buy
120,383
+56,644
+89% +$9.05M 0.09% 255
2025
Q1 		$10.6M Buy
63,739
+59,749
+1,497% +$10.4M 0.07% 346
2024
Q4 		$660K Buy
3,990
+1,880
+89% +$297K 0.01% 1166
2024
Q3 		$281K Sell
2,110
-1,788
-46% -$207K ﹤0.01% 1284
2024
Q2 		$491K Buy
3,898
+238
+7% +$31.3K 0.01% 1033
2024
Q1 		$537K Buy
+3,660
New +$473K 0.01% 932
2023
Q3 		– Sell
-1,382
Closed -$227K – 1018
2023
Q2 		$227K Sell
1,382
-6,581
-83% -$1.15M 0.01% 844
2023
Q1 		$1.47M Buy
7,963
+5,244
+193% +$885K 0.1% 277
2022
Q4 		$402K Buy
2,719
+74
+3% +$10.2K 0.03% 595
2022
Q3 		$373K Buy
2,645
+6
+0.2% +$877 0.05% 439
2022
Q2 		$345K Sell
2,639
-329
-11% -$44K 0.05% 416
2022
Q1 		$432K Buy
2,968
+1,674
+129% +$321K 0.07% 338
2021
Q4 		$379K Sell
1,294
-548
-30% -$156K 0.07% 344
2021
Q3 		$499K Hold
1,842
– – 0.56% 55
2021
Q2 		$447K Buy
1,842
+761
+70% +$174K 0.51% 77
2021
Q1 		$248K Sell
1,081
-1,025
-49% -$257K 0.27% 202
2020
Q4 		$565K Sell
2,106
-654
-24% -$163K 0.44% 46
2020
Q3 		$652K Buy
2,760
+1,778
+181% +$399K 0.44% 4
2020
Q2 		$224K Sell
982
-1,502
-60% -$330K 0.22% 255
2020
Q1 		$440K Hold
2,484
– – 0.27% 170
2019
Q4 		$393K Sell
2,484
-761
-23% -$114K 0.25% 172
2019
Q3 		$483K Hold
3,245
– – 0.33% 100
2019
Q2 		$483K Hold
3,245
– – 0.28% 131
2019
Q1 		$449K Hold
3,245
– – 0.29% 147
2018
Q4 		$348K Buy
+3,245
New +$362K 0.28% 146

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

Quantinno Capital Management's MASI Position: Q1 2026 in Review

Quantinno Capital Management increased its Masimo (MASI) stake by 70% in Q1 2026, buying an estimated $1.45M and bringing the position to 22,501 shares worth $4M. The position accounts for 0.01% of the portfolio, ranked #1249.

Quantinno Capital Management first reported a position in MASI in Q4 2018 and has held it in 28 quarters since. The position peaked at $20.3M in Q2 2025. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Quantinno Capital Management held 22,501 shares of Masimo worth $4M as of Q1 2026.
  • Quantinno Capital Management bought 9,248 Masimo shares in Q1 2026, an estimated $1.45M.
  • Masimo made up 0.01% of Quantinno Capital Management's portfolio in Q1 2026, its #1249 holding.
  • Quantinno Capital Management first reported a position in Masimo in Q4 2018 and has held it in 28 quarters since.
  • Quantinno Capital Management's Masimo position peaked at $20.3M in Q2 2025.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Quantinno Capital Management's 13F filing for Q1 2026, filed 15 May 2026.