HI
MASI

HBK Investments’s Masimo MASI Stock Holding History

HBK Investments’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
2023
Q4 		– Sell
-175,000
Closed -$15.3M – 252
2023
Q3 		$15.3M Buy
+175,000
New +$20.4M 0.08% 58

Other funds holding MASI

IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $20.6B AUM 34.61% 1-Year Est. Return

HBK Investments's MASI Position: Q2 2026 in Review

HBK Investments sold out of Masimo (MASI) in Q2 2026, closing a stake of 2,576,109 shares — an estimated $458M sold.

HBK Investments first reported a position in MASI in Q2 2014 and held it in 18 quarters. The position peaked at $458M in Q1 2026. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

  • HBK Investments reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
  • HBK Investments sold 2,576,109 Masimo shares in Q2 2026, an estimated $458M.
  • HBK Investments first reported a position in Masimo in Q2 2014 and held it in 18 quarters.
  • HBK Investments's Masimo position peaked at $458M in Q1 2026.
  • 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

Based on HBK Investments's 13F filing for Q2 2026, filed 14 Aug 2026.