Summit Trail Advisors’s Masimo MASI Stock Holding History

Summit Trail Advisors’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	-2,551	Closed	-$454K	–	1498
2026 Q1	$454K	Sell	2,551 -9,145	-78%	-$1.44M	0.01%	1191
2025 Q4	$1.52M	Buy	11,696 +7,971	+214%	+$1.14M	0.03%	579
2025 Q3	$550K	Sell	3,725 -3,435	-48%	-$520K	0.01%	1054
2025 Q2	$1.2M	Buy	+7,160	New	+$1.14M	0.02%	405
2018 Q1	–	Sell	-29	Closed	-$3K	–	1160
2017 Q4	$3K	Buy	+29	New	+$2.52K	﹤0.01%	1555

Other funds holding MASI

IFP Advisors Tampa, Florida $5.86B AUM 20.09% 1-Year Est. Return

Huntington National Bank Columbus, Ohio $20.6B AUM 34.61% 1-Year Est. Return

Summit Trail Advisors's MASI Position: Q2 2026 in Review

Summit Trail Advisors sold out of Masimo (MASI) in Q2 2026, closing a stake of 2,551 shares — an estimated $454K sold.

Summit Trail Advisors first reported a position in MASI in Q4 2017 and held it in 5 quarters. The position peaked at $1.52M in Q4 2025. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

Summit Trail Advisors reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
Summit Trail Advisors sold 2,551 Masimo shares in Q2 2026, an estimated $454K.
Summit Trail Advisors first reported a position in Masimo in Q4 2017 and held it in 5 quarters.
Summit Trail Advisors's Masimo position peaked at $1.52M in Q4 2025.
2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

Based on Summit Trail Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.