AUL
MASI

AlphaGrep UK Ltd’s Masimo MASI Stock Holding History

AlphaGrep UK Ltd’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 		$391K Sell
2,199
-1,458
-40% -$229K 0.11% 368
2025
Q4 		$476K Buy
+3,657
New +$524K 0.16% 227

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 $4.68T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T 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

AlphaGrep UK Ltd's MASI Position: Q1 2026 in Review

AlphaGrep UK Ltd reduced its Masimo (MASI) stake by 40% in Q1 2026, selling an estimated $229K and leaving 2,199 shares worth $391K. The position accounts for 0.11% of the portfolio, ranked #368.

AlphaGrep UK Ltd first reported a position in MASI in Q4 2025 and has held it in 2 quarters since. The position peaked at $476K in Q4 2025. 447 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • AlphaGrep UK Ltd held 2,199 shares of Masimo worth $391K as of Q1 2026.
  • AlphaGrep UK Ltd sold 1,458 Masimo shares in Q1 2026, an estimated $229K.
  • Masimo made up 0.11% of AlphaGrep UK Ltd's portfolio in Q1 2026, its #368 holding.
  • AlphaGrep UK Ltd first reported a position in Masimo in Q4 2025 and has held it in 2 quarters since.
  • AlphaGrep UK Ltd's Masimo position peaked at $476K in Q4 2025.
  • 447 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on AlphaGrep UK Ltd's 13F filing for Q1 2026, filed 13 Aug 2026.