Masimo Ownership | Who Owns Masimo?

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Masimo Ownership Summary

Masimo is owned by 93.23% institutional investors, 8.16% insiders. Blackrock is the largest institutional shareholder, holding 17.64% of MASI shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.85% of its assets in Masimo shares.

MASI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Masimo	93.23%	8.16%	-1.39%
Sector	Healthcare Stocks	46.80%	8.14%	45.06%
Industry	Medical Instruments & Supplies Stocks	56.03%	10.80%	33.17%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	9.35M	17.64%	$1.18B
Fmr	4.79M	9.03%	$602.72M
Vanguard group	4.74M	8.94%	$596.62M
Politan capital management lp	4.71M	8.90%	$593.78M
Rtw investments, lp	1.46M	2.76%	$184.17M
State street	1.43M	2.70%	$179.92M
Thrivent financial for lutherans	1.22M	2.30%	$153.31M
T. rowe price investment management	1.15M	2.18%	$145.38M
Westfield capital management co lp	1.13M	2.14%	$142.52M
Farallon capital management	1.12M	2.11%	$141.00M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ace management global	1.06M	39.24%	$133.61M
Politan capital management lp	4.71M	36.18%	$593.78M
Ensemble capital management	407.10K	3.99%	$51.27M
Lockerman financial group	14.40K	3.29%	$1.81M
Rtw investments, lp	1.46M	2.85%	$184.17M
Pura vida investments	25.00K	1.99%	$3.15M
Roubaix capital	24.84K	1.98%	$3.13M
Birchview capital, lp	15.28K	1.78%	$1.92M
Liontrust investment partners llp	808.69K	1.45%	$101.85M
Montanaro asset management	53.70K	1.26%	$6.76M

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	9.35M	0.03%	1.47M
Westfield capital management co lp	1.13M	0.70%	445.59K
Thrivent financial for lutherans	1.22M	0.31%	360.50K
Man group	291.79K	0.09%	291.79K
Holocene advisors, lp	1.04M	0.55%	259.04K

Top Sellers

Holder	Shares	% Assets	Change
Fmr	4.79M	0.04%	-2.19M
Capital research global investors	1.06M	0.03%	-1.21M
Massachusetts financial services co /ma/	721.73K	0.03%	-1.00M
Point72 asset management	-	-	-677.68K
Mig capital	-	-	-381.73K

New Positions

Holder	Shares	% Assets	Change	Value
Two sigma investments, lp	250.96K	0.07%	250.96K	$31.61M
Natixis	105.82K	0.08%	105.82K	$13.33M
Ing groep nv	99.00K	0.07%	99.00K	$12.47M
Caption management	70.30K	0.14%	70.30K	$8.85M
Corebridge financial	56.66K	0.04%	56.66K	$7.14M

Sold Out

Holder	Change
Amundi	-2.00
Pacific capital wealth advisors	-2.00
Financial synergies wealth advisors	-2.00
Corecap advisors	-3.00
Cva family office	-4.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2024	363	2.54%	49,413,792	-3.99%	93	0.98%	167	20.14%	110	-18.52%
Mar 31, 2024	354	-2.21%	51,465,670	2.48%	97	1.08%	139	-23.20%	135	14.41%
Dec 31, 2023	362	-4.99%	50,221,904	5.67%	95	1.17%	181	27.46%	118	-22.88%
Sep 30, 2023	381	-9.07%	47,528,532	3.76%	90	1.19%	142	-11.80%	153	-8.93%
Jun 30, 2023	419	-2.78%	45,807,973	2.03%	87	1.20%	161	-19.90%	168	19.15%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.53M	2.85%	-6.11K
iShares Core S&P Mid-Cap ETF	1.39M	2.60%	752.00
Fidelity Select Medical Tech and Devcs	1.22M	2.28%	69.44K
Vanguard Small Cap Index	1.21M	2.25%	2.35K
American Funds SMALLCAP World A	1.18M	2.20%	263.81K
Fidelity Select Health Care	1.06M	1.98%	86.63K
BlackRock Global Uncons Eq Z USD Acc	951.58K	1.78%	57.90K
BlackRock Mid-Cap Growth Equity Instl	813.23K	1.52%	-9.42K
T. Rowe Price Small-Cap Stock	687.63K	1.29%	165.09K
T. Rowe Price US Small-Cap Core Equity	687.63K	1.29%	163.06K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 26, 2024	REYNOLDS CRAIG B	-	Sell	$5.45M
May 25, 2023	KIANI JOE E	CEO and Chairman of the Board	Buy	$564.43K
May 25, 2023	KIANI JOE E	CEO and Chairman of the Board	Buy	$79.09K
May 25, 2023	KIANI JOE E	CEO and Chairman of the Board	Buy	$356.81K
Dec 15, 2022	KIANI JOE E	CEO and Chairman of the Board	Buy	$225.34K

Insider Transactions Trends

Date	Buy	Sell
2024 Q4	-	-
2024 Q3	-	-
2024 Q2	-	1
2024 Q1	-	-
2023 Q4	-	-

MASI Ownership FAQ

Who Owns Masimo?

Masimo shareholders are primarily institutional investors at 93.23%, followed by 8.16% insiders and -1.39% retail investors. The average institutional ownership in Masimo's industry, Medical Instruments & Supplies Stocks, is 56.03%, which Masimo exceeds.

Who owns the most shares of Masimo?

Masimo’s largest shareholders are Blackrock (9.35M shares, 17.64%), Fmr (4.79M shares, 9.03%), and Vanguard group (4.74M shares, 8.94%). Together, they hold 35.61% of Masimo’s total shares outstanding.

Does Blackrock own Masimo?

Yes, BlackRock owns 17.64% of Masimo, totaling 9.35M shares as of Jun 2024. This represents 0.03% of BlackRock's total assets, with a market value of 1.18B$. In the last quarter, BlackRock increased its holdings by 1.47M shares, a 18.66% change.

Who is Masimo’s biggest shareholder by percentage of total assets invested?

Ace management global is Masimo’s biggest shareholder by percentage of total assets invested, with 39.24% of its assets in 1.06M Masimo shares, valued at 133.61M$.

Who is the top mutual fund holder of Masimo shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Masimo shares, with 2.85% of its total shares outstanding invested in 1.53M Masimo shares.

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