CRM
MASI

Cramer Rosenthal McGlynn’s Masimo MASI Stock Holding History

Cramer Rosenthal McGlynn’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
Q4 		– Sell
-114,605
Closed -$16.9M – 97
2025
Q3 		$16.9M Buy
114,605
+19,666
+21% +$2.98M 1.05% 37
2025
Q2 		$16M Sell
94,939
-56,725
-37% -$9.06M 1.1% 34
2025
Q1 		$25.3M Sell
151,664
-71,153
-32% -$12.3M 1.82% 18
2024
Q4 		$36.8M Buy
222,817
+37,800
+20% +$5.97M 2.08% 7
2024
Q3 		$24.7M Buy
185,017
+166,936
+923% +$19.4M 1.37% 33
2024
Q2 		$2.28M Buy
+18,081
New +$2.38M 0.13% 96

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
PCM
Politan Capital Management New York $985M AUM 3.12% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
NCMU
NAYA Capital Management (UK) London, United Kingdom $1.18B AUM 13.14% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

Cramer Rosenthal McGlynn's MASI Position: Q4 2025 in Review

Cramer Rosenthal McGlynn sold out of Masimo (MASI) in Q4 2025, closing a stake of 114,605 shares — an estimated $16.9M sold.

Cramer Rosenthal McGlynn first reported a position in MASI in Q2 2024 and held it in 6 quarters. The position peaked at $36.8M in Q4 2024. 390 funds tracked by Wall St. Rank hold MASI as of Q4 2025.

  • Cramer Rosenthal McGlynn reported no remaining Masimo position as of Q4 2025 after selling out during the quarter.
  • Cramer Rosenthal McGlynn sold 114,605 Masimo shares in Q4 2025, an estimated $16.9M.
  • Cramer Rosenthal McGlynn first reported a position in Masimo in Q2 2024 and held it in 6 quarters.
  • Cramer Rosenthal McGlynn's Masimo position peaked at $36.8M in Q4 2024.
  • 390 funds tracked by Wall St. Rank held Masimo as of Q4 2025.

Based on Cramer Rosenthal McGlynn's 13F filing for Q4 2025, filed 13 Feb 2026.