Laurion Capital Management’s Masimo MASI Stock Holding History

Laurion 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
2023 Q4	–	Sell	-2,644	Closed	-$232K	–	551
2023 Q3	$232K	Buy	+2,644	New	+$308K	﹤0.01%	421
2019 Q4	–	Sell	-7,100	Closed	-$1.06M	–	1086
2019 Q3	$1.06M	Buy	+7,100	New	+$1.08M	0.01%	631
2019 Q2	–	Sell	-21,106	Closed	-$2.92M	–	1069
2019 Q1	$2.92M	Buy	+21,106	New	+$2.65M	0.04%	278
2018 Q1	–	Sell	-23,822	Closed	-$2.02M	–	1528
2017 Q4	$2.02M	Sell	23,822 -4,608	-16%	-$400K	0.01%	778
2017 Q3	$2.46M	Buy	28,430 +17,138	+152%	+$1.52M	0.01%	711
2017 Q2	$1.03M	Buy	+11,292	New	+$1.04M	0.01%	1020
2016 Q1	–	Sell	-4,931	Closed	-$205K	–	954
2015 Q4	$205K	Buy	+4,931	New	+$201K	﹤0.01%	818

Other funds holding MASI

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

FCM

Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Laurion Capital Management's MASI Position: Q4 2023 in Review

Laurion Capital Management sold out of Masimo (MASI) in Q4 2023, closing a stake of 2,644 shares — an estimated $232K sold.

Laurion Capital Management first reported a position in MASI in Q4 2015 and held it in 7 quarters. The position peaked at $2.92M in Q1 2019. 342 funds tracked by Wall St. Rank hold MASI as of Q4 2023.

Laurion Capital Management reported no remaining Masimo position as of Q4 2023 after selling out during the quarter.
Laurion Capital Management sold 2,644 Masimo shares in Q4 2023, an estimated $232K.
Laurion Capital Management first reported a position in Masimo in Q4 2015 and held it in 7 quarters.
Laurion Capital Management's Masimo position peaked at $2.92M in Q1 2019.
342 funds tracked by Wall St. Rank held Masimo as of Q4 2023.

Based on Laurion Capital Management's 13F filing for Q4 2023, filed 14 Feb 2024.