Pinnacle Associates’s Masimo MASI Stock Holding History

Pinnacle Associates’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 Q1	$324K	Buy	1,824 +157	+9%	+$24.6K	﹤0.01%	773
2025 Q4	$217K	Buy	+1,667	New	+$239K	﹤0.01%	884

Other funds holding MASI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

PCM

Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return

PCM

Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Pinnacle Associates's MASI Position: Q1 2026 in Review

Pinnacle Associates increased its Masimo (MASI) stake by 9.4% in Q1 2026, buying an estimated $24.6K and bringing the position to 1,824 shares worth $324K. The position accounts for ﹤0.01% of the portfolio, ranked #773.

Pinnacle Associates first reported a position in MASI in Q4 2025 and has held it in 2 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

Pinnacle Associates held 1,824 shares of Masimo worth $324K as of Q1 2026.
Pinnacle Associates bought 157 Masimo shares in Q1 2026, an estimated $24.6K.
Masimo made up ﹤0.01% of Pinnacle Associates's portfolio in Q1 2026, its #773 holding.
Pinnacle Associates first reported a position in Masimo in Q4 2025 and has held it in 2 quarters since.
445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Pinnacle Associates's 13F filing for Q1 2026, filed 22 Apr 2026.