LMR Partners’s Masimo MASI Stock Holding History

LMR Partners’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	-16,300	Closed	-$2.9M	–	1680
2026 Q1	$2.9M	Buy	+16,300	New	+$2.56M	0.01%	783
2025 Q1	–	Sell	-42,448	Closed	-$7.02M	–	1540
2024 Q4	$7.02M	Buy	+42,448	New	+$6.7M	0.06%	313
2024 Q3	–	Sell	-40,354	Closed	-$5.08M	–	1429
2024 Q2	$5.08M	Buy	+40,354	New	+$5.31M	0.04%	325
2024 Q1	–	Sell	-6,768	Closed	-$793K	–	1250
2023 Q4	$793K	Buy	6,768 +2,297	+51%	+$214K	0.01%	605
2023 Q3	$392K	Buy	+4,471	New	+$520K	﹤0.01%	582
2020 Q2	–	Sell	-8,865	Closed	-$1.59M	–	631
2020 Q1	$1.59M	Buy	+8,865	New	+$1.52M	0.07%	109
2018 Q4	–	Sell	-3,372	Closed	-$420K	–	423
2018 Q3	$420K	Sell	3,372 -60,702	-95%	-$6.73M	0.03%	208
2018 Q2	$6.26M	Buy	+64,074	New	+$6.09M	0.32%	75

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

LMR Partners's MASI Position: Q2 2026 in Review

LMR Partners sold out of Masimo (MASI) in Q2 2026, closing a stake of 16,300 shares — an estimated $2.9M sold.

LMR Partners first reported a position in MASI in Q2 2018 and held it in 8 quarters. The position peaked at $7.02M in Q4 2024. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

LMR Partners reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
LMR Partners sold 16,300 Masimo shares in Q2 2026, an estimated $2.9M.
LMR Partners first reported a position in Masimo in Q2 2018 and held it in 8 quarters.
LMR Partners's Masimo position peaked at $7.02M in Q4 2024.
2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.