Holocene Advisors, LP Masimo Corp Transaction History

Holocene Advisors, LP

$38 Billion
Q2 2025

A detailed history of Holocene Advisors, LP transactions in Masimo Corp stock. As of the latest transaction made, Holocene Advisors, LP holds 1,243,607 shares of MASI stock, worth $187 Million. This represents 0.55% of its overall portfolio holdings.

Number of Shares

1,243,607

Previous 1,333,296 6.73%

Holding current value

$187 Million

Previous $222 Million 5.82%

% of portfolio

0.55%

Previous 0.7%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	SELL	$144.4 - $171.97 $13 Million - $15.4 Million	-89,689 Reduced 6.73%	1,243,607 $209 Million
Q1 2025 May 15, 2025	BUY	$163.55 - $190.63 $81.4 Million - $94.9 Million	497,636 Added 59.55%	1,333,296 $222 Million
Q4 2024 Feb 14, 2025	SELL	$132.43 - $177.7 $5.23 Million - $7.02 Million	-39,499 Reduced 4.51%	835,660 $138 Million
Q3 2024 Nov 14, 2024	SELL	$104.79 - $133.77 $17 Million - $21.7 Million	-162,291 Reduced 15.64%	875,159 $117 Million
Q2 2024 Aug 14, 2024	BUY	$115.24 - $144.91 $29.9 Million - $37.5 Million	259,036 Added 33.28%	1,037,450 $131 Million
Q1 2024 May 15, 2024	BUY	$109.17 - $146.85 $85 Million - $114 Million	778,414 New	778,414 $114 Million
Q1 2023 May 15, 2023	SELL	$146.03 - $184.54 $565,866 - $715,092	-3,875 Reduced 64.32%	2,150 $396,000
Q4 2022 Feb 14, 2023	SELL	$110.88 - $150.36 $1.11 Million - $1.5 Million	-10,005 Reduced 62.41%	6,025 $891,000
Q3 2022 Nov 14, 2022	SELL	$125.58 - $169.38 $3.48 Million - $4.69 Million	-27,704 Reduced 63.35%	16,030 $2.26 Million
Q2 2022 Aug 15, 2022	BUY	$112.97 - $151.71 $898,450 - $1.21 Million	7,953 Added 22.23%	43,734 $5.72 Million
Q1 2022 May 16, 2022	BUY	$135.71 - $284.87 $4.86 Million - $10.2 Million	35,781 New	35,781 $5.21 Million
Q4 2021 Feb 14, 2022	SELL	$266.41 - $303.29 $2.58 Million - $2.93 Million	-9,668 Closed	0 $0
Q3 2021 Nov 15, 2021	SELL	$249.0 - $285.24 $3.55 Million - $4.06 Million	-14,240 Reduced 59.56%	9,668 $2.62 Million
Q2 2021 Aug 16, 2021	BUY	$208.49 - $248.2 $3.1 Million - $3.7 Million	14,891 Added 165.14%	23,908 $5.8 Million
Q1 2021 May 17, 2021	BUY	$220.31 - $283.75 $1.99 Million - $2.56 Million	9,017 New	9,017 $2.07 Million
Q4 2018 Feb 14, 2019	SELL	$98.38 - $125.32 $210,533 - $268,184	-2,140 Closed	0 $0
Q3 2018 Nov 14, 2018	BUY	$97.19 - $124.54 $207,986 - $266,515	2,140 New	2,140 $267,000

Others Institutions Holding MASI

# of Institutions

418

Shares Held

48.2M

Call Options Held

58.5K

Put Options Held

58.6K

View Full List

About MASIMO CORP

Ticker MASI
Exchange NASDAQ
Sector Healthcare
Industry Medical Instruments & Supplies
Shares Outstandng 52,530,200
Market Cap $7.89B
Description
Masimo Corporation develops, manufactures, and markets noninvasive monitoring technologies and hospital automation solutions worldwide. The company offers masimo signal extraction technology (SET) pulse oximetry with measure-through motion and low perfusion pulse oximetry monitoring to address the primary limitations of conventional pulse oximet...

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Holocene Advisors, LP Masimo Corp Transaction History