HRCM
MASI

Hawk Ridge Capital Management’s Masimo MASI Stock Holding History

Hawk Ridge Capital 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 		– Sell
-148,685
Closed -$25M – 52
2025
Q2 		$25M Buy
+148,685
New +$23.7M 1.04% 32
2024
Q1 		– Sell
-342,528
Closed -$40.1M – 46
2023
Q4 		$40.1M Sell
342,528
-225,237
-40% -$21M 2.3% 22
2023
Q3 		$49.8M Buy
567,765
+314,763
+124% +$36.6M 2.45% 20
2023
Q2 		$41.6M Buy
253,002
+67,781
+37% +$11.8M 2.21% 22
2023
Q1 		$34.2M Sell
185,221
-6,900
-4% -$1.16M 1.94% 25
2022
Q4 		$28.4M Buy
192,121
+12,813
+7% +$1.76M 1.92% 24
2022
Q3 		$25.3M Buy
+179,308
New +$26.2M 1.59% 25

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

Hawk Ridge Capital Management's MASI Position: Q3 2025 in Review

Hawk Ridge Capital Management sold out of Masimo (MASI) in Q3 2025, closing a stake of 148,685 shares — an estimated $25M sold.

Hawk Ridge Capital Management first reported a position in MASI in Q3 2022 and held it in 7 quarters. The position peaked at $49.8M in Q3 2023. 358 funds tracked by Wall St. Rank hold MASI as of Q3 2025.

  • Hawk Ridge Capital Management reported no remaining Masimo position as of Q3 2025 after selling out during the quarter.
  • Hawk Ridge Capital Management sold 148,685 Masimo shares in Q3 2025, an estimated $25M.
  • Hawk Ridge Capital Management first reported a position in Masimo in Q3 2022 and held it in 7 quarters.
  • Hawk Ridge Capital Management's Masimo position peaked at $49.8M in Q3 2023.
  • 358 funds tracked by Wall St. Rank held Masimo as of Q3 2025.

Based on Hawk Ridge Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.