FCM
MASI

Farallon Capital Management’s Masimo MASI Stock Holding History

Farallon 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
Q1 		– Sell
-397,000
Closed -$65.6M – 157
2024
Q4 		$65.6M Sell
397,000
-861,563
-68% -$136M 0.29% 55
2024
Q3 		$168M Buy
1,258,563
+139,000
+12% +$16.1M 0.74% 46
2024
Q2 		$141M Sell
1,119,563
-370,000
-25% -$48.7M 0.61% 45
2024
Q1 		$219M Buy
1,489,563
+177,914
+14% +$23M 0.93% 31
2023
Q4 		$154M Buy
1,311,649
+1,084,000
+476% +$101M 0.7% 38
2023
Q3 		$20M Sell
227,649
-140,000
-38% -$16.3M 0.09% 74
2023
Q2 		$60.5M Sell
367,649
-264,000
-42% -$46M 0.3% 63
2023
Q1 		$117M Sell
631,649
-126,851
-17% -$21.4M 0.64% 47
2022
Q4 		$112M Buy
758,500
+181,500
+31% +$25M 0.66% 47
2022
Q3 		$81.4M Buy
577,000
+382,000
+196% +$55.8M 0.45% 59
2022
Q2 		$25.5M Buy
+195,000
New +$26.1M 0.14% 89

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
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $41.5B AUM 42.97% 1-Year Est. Return
DCP
Durable Capital Partners Bethesda, Maryland $9.71B AUM 26.27% 1-Year Est. Return

Farallon Capital Management's MASI Position: Q1 2025 in Review

Farallon Capital Management sold out of Masimo (MASI) in Q1 2025, closing a stake of 397,000 shares — an estimated $65.6M sold.

Farallon Capital Management first reported a position in MASI in Q2 2022 and held it in 11 quarters. The position peaked at $219M in Q1 2024. 394 funds tracked by Wall St. Rank hold MASI as of Q1 2025.

  • Farallon Capital Management reported no remaining Masimo position as of Q1 2025 after selling out during the quarter.
  • Farallon Capital Management sold 397,000 Masimo shares in Q1 2025, an estimated $65.6M.
  • Farallon Capital Management first reported a position in Masimo in Q2 2022 and held it in 11 quarters.
  • Farallon Capital Management's Masimo position peaked at $219M in Q1 2024.
  • 394 funds tracked by Wall St. Rank held Masimo as of Q1 2025.

Based on Farallon Capital Management's 13F filing for Q1 2025, filed 15 May 2025.