O'Connor Alternative Investments’s Masimo MASI Stock Holding History

O'Connor Alternative 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
2026 Q2	–	Sell	-412,903	Closed	-$73.4M	–	168
2026 Q1	$73.4M	Buy	+412,903	New	+$64.8M	3.85%	8

Other funds holding MASI

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

O'Connor Alternative Investments's MASI Position: Q2 2026 in Review

O'Connor Alternative Investments sold out of Masimo (MASI) in Q2 2026, closing a stake of 412,903 shares — an estimated $73.4M sold.

O'Connor Alternative Investments first reported a position in MASI in Q1 2026 and held it in 1 quarter. The position peaked at $73.4M in Q1 2026. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

O'Connor Alternative Investments reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
O'Connor Alternative Investments sold 412,903 Masimo shares in Q2 2026, an estimated $73.4M.
O'Connor Alternative Investments first reported a position in Masimo in Q1 2026 and held it in 1 quarter.
O'Connor Alternative Investments's Masimo position peaked at $73.4M in Q1 2026.
2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

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