GCIA
MASI

Gabelli & Co Investment Advisers’s Masimo MASI Stock Holding History

Gabelli & Co Investment Advisers’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 		$15.8M Buy
+88,650
New +$13.9M 2.34% 11

Other funds holding MASI

BlackRock
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
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
HI
HBK Investments Dallas, Texas $9.85B AUM 55.6% 1-Year Est. Return
Massachusetts Financial Services
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
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Gabelli & Co Investment Advisers's MASI Position: Q1 2026 in Review

Gabelli & Co Investment Advisers opened a new position in Masimo (MASI) in Q1 2026: 88,650 shares worth $15.8M. The stake represents 2.34% of the portfolio and ranks #11 among its holdings.

445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Gabelli & Co Investment Advisers held 88,650 shares of Masimo worth $15.8M as of Q1 2026.
  • Masimo was a new Gabelli & Co Investment Advisers position in Q1 2026.
  • Masimo made up 2.34% of Gabelli & Co Investment Advisers's portfolio in Q1 2026, its #11 holding.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Gabelli & Co Investment Advisers's 13F filing for Q1 2026, filed 14 May 2026.