Vanguard Portfolio Management
MASI

Vanguard Portfolio Management’s Masimo MASI Stock Holding History

Vanguard Portfolio 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
2026
Q2 		– Sell
-2,006,861
Closed -$357M – 3209
2026
Q1 		$357M Buy
+2,006,861
New +$315M 0.02% 804

Other funds holding MASI

IA
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

Vanguard Portfolio Management's MASI Position: Q2 2026 in Review

Vanguard Portfolio Management sold out of Masimo (MASI) in Q2 2026, closing a stake of 2,006,861 shares — an estimated $357M sold.

Vanguard Portfolio Management first reported a position in MASI in Q1 2026 and held it in 1 quarter. The position peaked at $357M in Q1 2026. 2 funds tracked by Wall St. Rank hold MASI as of Q2 2026.

  • Vanguard Portfolio Management reported no remaining Masimo position as of Q2 2026 after selling out during the quarter.
  • Vanguard Portfolio Management sold 2,006,861 Masimo shares in Q2 2026, an estimated $357M.
  • Vanguard Portfolio Management first reported a position in Masimo in Q1 2026 and held it in 1 quarter.
  • Vanguard Portfolio Management's Masimo position peaked at $357M in Q1 2026.
  • 2 funds tracked by Wall St. Rank held Masimo as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.