Steve Schonfeld’s Masimo MASI Stock Holding History
Bought
Maintained
Sold
Other funds holding MASI
Steve Schonfeld's MASI Position: Q2 2026 in Review
Steve Schonfeld sold out of Masimo (MASI) in Q2 2026, closing a stake of 117,297 shares — an estimated $20.9M sold.
Steve Schonfeld first reported a position in MASI in Q4 2016 and held it in 25 quarters. The position peaked at $34.5M in Q4 2025. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.
- Steve Schonfeld reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
- Steve Schonfeld sold 117,297 Masimo shares in Q2 2026, an estimated $20.9M.
- Steve Schonfeld first reported a position in Masimo in Q4 2016 and held it in 25 quarters.
- Steve Schonfeld's Masimo position peaked at $34.5M in Q4 2025.
- 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.
Based on Schonfeld Strategic Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.