TSS
MASI

Two Sigma Securities’s Masimo MASI Stock Holding History

Two Sigma Securities’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
2024
Q2 		– Sell
-3,600
Closed -$529K – 3384
2024
Q1 		$529K Sell
3,600
-7,500
-68% -$968K 0.01% 1534
2023
Q4 		$1.3M Buy
11,100
+6,400
+136% +$597K 0.01% 904
2023
Q3 		$412K Buy
+4,700
New +$547K ﹤0.01% 1680

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

Two Sigma Securities's MASI Position: Q1 2026 in Review

Two Sigma Securities reduced its Masimo (MASI) stake by 31% in Q1 2026, selling an estimated $131K and leaving 1,875 shares worth $334K. The position accounts for 0.04% of the portfolio, ranked #705.

Two Sigma Securities first reported a position in MASI in Q1 2017 and has held it in 9 quarters since. The position peaked at $994K in Q3 2023. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Two Sigma Securities held 1,875 shares of Masimo worth $334K as of Q1 2026.
  • Two Sigma Securities sold 836 Masimo shares in Q1 2026, an estimated $131K.
  • Masimo made up 0.04% of Two Sigma Securities's portfolio in Q1 2026, its #705 holding.
  • Two Sigma Securities first reported a position in Masimo in Q1 2017 and has held it in 9 quarters since.
  • Two Sigma Securities's Masimo position peaked at $994K in Q3 2023.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.