LNWWM
MASI

Laird Norton Wetherby Wealth Management’s Masimo MASI Stock Holding History

Laird Norton Wetherby Wealth Management’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
2025
Q3 		$679K Buy
4,603
+46
+1% +$6.96K 0.03% 479
2025
Q2 		$767K Buy
+4,557
New +$728K 0.03% 438

Other funds holding MASI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PCM
Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

Laird Norton Wetherby Wealth Management's MASI Position: Q3 2025 in Review

Laird Norton Wetherby Wealth Management increased its Masimo (MASI) stake by 1% in Q3 2025, buying an estimated $6.96K and bringing the position to 4,603 shares worth $679K. The position accounts for 0.03% of the portfolio, ranked #479.

Laird Norton Wetherby Wealth Management first reported a position in MASI in Q2 2025 and has held it in 2 quarters since. The position peaked at $767K in Q2 2025. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.

  • Laird Norton Wetherby Wealth Management held 4,603 shares of Masimo worth $679K as of Q3 2025.
  • Laird Norton Wetherby Wealth Management bought 46 Masimo shares in Q3 2025, an estimated $6.96K.
  • Masimo made up 0.03% of Laird Norton Wetherby Wealth Management's portfolio in Q3 2025, its #479 holding.
  • Laird Norton Wetherby Wealth Management first reported a position in Masimo in Q2 2025 and has held it in 2 quarters since.
  • Laird Norton Wetherby Wealth Management's Masimo position peaked at $767K in Q2 2025.
  • 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.

Based on Laird Norton Wetherby Wealth Management's 13F filing for Q3 2025, filed 14 Nov 2025.