TMAM
MASI

Tokio Marine Asset Management’s Masimo MASI Stock Holding History

Tokio Marine Asset 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
Q1 		$5.23M Buy
+29,400
New +$4.61M 0.19% 91
2023
Q3 		– Sell
-1,395
Closed -$230K – 565
2023
Q2 		$230K Buy
1,395
+93
+7% +$16.2K 0.01% 536
2023
Q1 		$240K Buy
+1,302
New +$220K 0.02% 516
2022
Q1 		– Sell
-768
Closed -$225K – 516
2021
Q4 		$225K Buy
+768
New +$219K 0.02% 470

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

Tokio Marine Asset Management's MASI Position: Q1 2026 in Review

Tokio Marine Asset Management opened a new position in Masimo (MASI) in Q1 2026: 29,400 shares worth $5.23M. The stake represents 0.19% of the portfolio and ranks #91 among its holdings. This is a return to the name: Tokio Marine Asset Management previously reported a position in MASI as recently as Q2 2023.

Tokio Marine Asset Management first reported a position in MASI in Q4 2021 and has held it in 4 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Tokio Marine Asset Management held 29,400 shares of Masimo worth $5.23M as of Q1 2026.
  • Masimo was a new Tokio Marine Asset Management position in Q1 2026.
  • Masimo made up 0.19% of Tokio Marine Asset Management's portfolio in Q1 2026, its #91 holding.
  • Tokio Marine Asset Management first reported a position in Masimo in Q4 2021 and has held it in 4 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Tokio Marine Asset Management's 13F filing for Q1 2026, filed 13 May 2026.