Hudson Bay Capital Management
MASI

Hudson Bay Capital Management’s Masimo MASI Stock Holding History

Hudson Bay 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
Q2 		– Sell
-330,679
Closed -$58.8M – 1551
2026
Q1 		$58.8M Buy
+330,679
New +$51.9M 0.2% 89
2023
Q4 		– Sell
-142,524
Closed -$12.5M – 826
2023
Q3 		$12.5M Buy
+142,524
New +$16.6M 0.1% 134

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

Hudson Bay Capital Management's MASI Position: Q2 2026 in Review

Hudson Bay Capital Management sold out of Masimo (MASI) in Q2 2026, closing a stake of 330,679 shares — an estimated $58.8M sold.

Hudson Bay Capital Management first reported a position in MASI in Q3 2023 and held it in 2 quarters. The position peaked at $58.8M in Q1 2026. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

  • Hudson Bay Capital Management reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
  • Hudson Bay Capital Management sold 330,679 Masimo shares in Q2 2026, an estimated $58.8M.
  • Hudson Bay Capital Management first reported a position in Masimo in Q3 2023 and held it in 2 quarters.
  • Hudson Bay Capital Management's Masimo position peaked at $58.8M in Q1 2026.
  • 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

Based on Hudson Bay Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.