Massachusetts Financial Services CO Masimo Corp Transaction History

Massachusetts Financial Services CO

$296 Billion
Q2 2025

A detailed history of Massachusetts Financial Services CO transactions in Masimo Corp stock. As of the latest transaction made, Massachusetts Financial Services CO holds 2,470,393 shares of MASI stock, worth $371 Million. This represents 0.14% of its overall portfolio holdings.

Number of Shares

2,470,393

Previous 1,967,838 25.54%

Holding current value

$371 Million

Previous $328 Million 26.76%

% of portfolio

0.14%

Previous 0.12%

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 08, 2025	BUY	$144.4 - $171.97 $72.6 Million - $86.4 Million	502,555 Added 25.54%	2,470,393 $416 Million
Q1 2025 May 02, 2025	BUY	$163.55 - $190.63 $38.1 Million - $44.4 Million	232,671 Added 13.41%	1,967,838 $328 Million
Q4 2024 Feb 12, 2025	BUY	$132.43 - $177.7 $125 Million - $168 Million	943,001 Added 119.04%	1,735,167 $287 Million
Q3 2024 Nov 12, 2024	BUY	$104.79 - $133.77 $7.38 Million - $9.42 Million	70,440 Added 9.76%	792,166 $106 Million
Q2 2024 Aug 09, 2024	SELL	$115.24 - $144.91 $115 Million - $145 Million	-1,000,059 Reduced 58.08%	721,726 $90.9 Million
Q1 2024 May 14, 2024	BUY	$109.17 - $146.85 $12.5 Million - $16.8 Million	114,475 Added 7.12%	1,721,785 $253 Million
Q4 2023 Feb 08, 2024	BUY	$76.73 - $120.62 $7.2 Million - $11.3 Million	93,861 Added 6.2%	1,607,310 $188 Million
Q3 2023 Nov 08, 2023	BUY	$84.17 - $161.17 $127 Million - $244 Million	1,513,449 New	1,513,449 $133 Million
Q1 2022 May 11, 2022	SELL	$135.71 - $284.87 $116 Million - $244 Million	-855,583 Closed	0 $0
Q4 2021 Feb 10, 2022	BUY	$266.41 - $303.29 $2.62 Million - $2.99 Million	9,847 Added 1.16%	855,583 $250 Million
Q3 2021 Nov 10, 2021	SELL	$249.0 - $285.24 $2.02 Million - $2.32 Million	-8,128 Reduced 0.95%	845,736 $229 Million
Q2 2021 Aug 13, 2021	SELL	$208.49 - $248.2 $30.5 Million - $36.4 Million	-146,488 Reduced 14.64%	853,864 $207 Million
Q1 2021 May 13, 2021	SELL	$220.31 - $283.75 $533,150 - $686,675	-2,420 Reduced 0.24%	1,000,352 $230 Million
Q4 2020 Feb 12, 2021	SELL	$223.82 - $271.35 $6.64 Million - $8.05 Million	-29,671 Reduced 2.87%	1,002,772 $269 Million
Q3 2020 Nov 12, 2020	SELL	$209.49 - $246.81 $3.85 Million - $4.54 Million	-18,392 Reduced 1.75%	1,032,443 $244 Million
Q2 2020 Aug 11, 2020	SELL	$178.49 - $250.39 $11.7 Million - $16.5 Million	-65,819 Reduced 5.89%	1,050,835 $240 Million
Q1 2020 May 14, 2020	SELL	$148.38 - $186.78 $31.8 Million - $40 Million	-213,978 Reduced 16.08%	1,116,654 $198 Million
Q4 2019 Feb 13, 2020	BUY	$140.81 - $159.49 $37 Million - $41.9 Million	262,920 Added 24.62%	1,330,632 $210 Million
Q3 2019 Nov 05, 2019	BUY	$145.61 - $159.87 $13.3 Million - $14.5 Million	91,010 Added 9.32%	1,067,712 $159 Million
Q2 2019 Aug 14, 2019	BUY	$122.29 - $148.82 $88.5 Million - $108 Million	723,914 Added 286.37%	976,702 $145 Million
Q1 2019 May 13, 2019	BUY	$102.78 - $138.28 $5.22 Million - $7.02 Million	50,750 Added 25.12%	252,788 $35 Million
Q4 2018 Feb 08, 2019	SELL	$98.38 - $125.32 $2.2 Million - $2.81 Million	-22,403 Reduced 9.98%	202,038 $21.7 Million
Q3 2018 Oct 25, 2018	SELL	$97.19 - $124.54 $3,304 - $4,234	-34 Reduced 0.02%	224,441 $28 Million
Q2 2018 Jul 30, 2018	BUY	$83.88 - $102.21 $9.5 Million - $11.6 Million	113,248 Added 101.82%	224,475 $21.9 Million
Q1 2018 May 04, 2018	BUY	$82.06 - $95.19 $9.13 Million - $10.6 Million	111,227 New	111,227 $9.78 Million
Q3 2017 Nov 14, 2017	SELL	$81.79 - $96.62 $8.19 Million - $9.67 Million	-100,115 Closed	0 $0
Q2 2017 Aug 14, 2017	BUY	N/A	100,115	100,115 $9.13 Million

Others Institutions Holding MASI

# of Institutions

419

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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Massachusetts Financial Services CO Masimo Corp Transaction History