ACM
MASI

Aster Capital Management’s Masimo MASI Stock Holding History

Aster 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 		$48.8K Buy
293
+77
+36% +$12.1K 0.02% 439
2025
Q4 		$28.1K Buy
+216
New +$30.9K 0.01% 564
2025
Q2 		– Sell
-11,912
Closed -$2.25M – 1347
2025
Q1 		$2.25M Buy
+11,912
New +$2.07M 0.42% 48

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

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

Aster Capital Management increased its Masimo (MASI) stake by 36% in Q1 2026, buying an estimated $12.1K and bringing the position to 293 shares worth $48.8K. The position accounts for 0.02% of the portfolio, ranked #439.

Aster Capital Management first reported a position in MASI in Q1 2025 and has held it in 3 quarters since. The position peaked at $2.25M in Q1 2025. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Aster Capital Management held 293 shares of Masimo worth $48.8K as of Q1 2026.
  • Aster Capital Management bought 77 Masimo shares in Q1 2026, an estimated $12.1K.
  • Masimo made up 0.02% of Aster Capital Management's portfolio in Q1 2026, its #439 holding.
  • Aster Capital Management first reported a position in Masimo in Q1 2025 and has held it in 3 quarters since.
  • Aster Capital Management's Masimo position peaked at $2.25M in Q1 2025.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

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