WAM
MASI

Wolverine Asset Management’s Masimo MASI Stock Holding History

Wolverine 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 		$809K Buy
+4,549
New +$714K 0.01% 824
2021
Q3 		– Sell
-39
Closed -$9K – 2201
2021
Q2 		$9K Sell
39
-2,970
-99% -$678K ﹤0.01% 2000
2021
Q1 		$691K Buy
3,009
+2,375
+375% +$597K 0.01% 781
2020
Q4 		$170K Buy
634
+384
+154% +$95.8K ﹤0.01% 1108
2020
Q3 		$59K Buy
+250
New +$56K ﹤0.01% 1230
2016
Q4 		– Sell
-1,971
Closed -$117K – 1249
2016
Q3 		$117K Buy
+1,971
New +$111K ﹤0.01% 955

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

Wolverine Asset Management's MASI Position: Q1 2026 in Review

Wolverine Asset Management opened a new position in Masimo (MASI) in Q1 2026: 4,549 shares worth $809K. The stake represents 0.01% of the portfolio and ranks #824 among its holdings. This is a return to the name: Wolverine Asset Management previously reported a position in MASI as recently as Q2 2021.

Wolverine Asset Management first reported a position in MASI in Q3 2016 and has held it in 6 quarters since. 445 funds tracked by Wall St. Rank hold MASI as of Q1 2026.

  • Wolverine Asset Management held 4,549 shares of Masimo worth $809K as of Q1 2026.
  • Masimo was a new Wolverine Asset Management position in Q1 2026.
  • Masimo made up 0.01% of Wolverine Asset Management's portfolio in Q1 2026, its #824 holding.
  • Wolverine Asset Management first reported a position in Masimo in Q3 2016 and has held it in 6 quarters since.
  • 445 funds tracked by Wall St. Rank held Masimo as of Q1 2026.

Based on Wolverine Asset Management's 13F filing for Q1 2026, filed 4 May 2026.