RIL
MASI

Rothschild Investment LLC’s Masimo MASI Stock Holding History

Rothschild Investment LLC’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 		$108K Buy
606
+345
+132% +$54.1K 0.01% 856
2025
Q4 		$33.9K Buy
261
+259
+12,950% +$37.1K ﹤0.01% 1143
2025
Q3 		$295 Buy
2
+1
+100% +$151 ﹤0.01% 2942
2025
Q2 		$168 Hold
1
– – ﹤0.01% 2949
2025
Q1 		$167 Hold
1
– – ﹤0.01% 2886
2024
Q4 		$165 Hold
1
– – ﹤0.01% 2829
2024
Q3 		$133 Hold
1
– – ﹤0.01% 2799
2024
Q2 		$126 Hold
1
– – ﹤0.01% 2654
2024
Q1 		$147 Hold
1
– – ﹤0.01% 1923
2023
Q4 		$117 Buy
+1
New +$93 ﹤0.01% 1294

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

Rothschild Investment LLC's MASI Position: Q1 2026 in Review

Rothschild Investment LLC increased its Masimo (MASI) stake by 132% in Q1 2026, buying an estimated $54.1K and bringing the position to 606 shares worth $108K. The position accounts for 0.01% of the portfolio, ranked #856.

Rothschild Investment LLC first reported a position in MASI in Q4 2023 and has held it in 10 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Rothschild Investment LLC held 606 shares of Masimo worth $108K as of Q1 2026.
  • Rothschild Investment LLC bought 345 Masimo shares in Q1 2026, an estimated $54.1K.
  • Masimo made up 0.01% of Rothschild Investment LLC's portfolio in Q1 2026, its #856 holding.
  • Rothschild Investment LLC first reported a position in Masimo in Q4 2023 and has held it in 10 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Rothschild Investment LLC's 13F filing for Q1 2026, filed 7 May 2026.