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Masimo
MASI

Overview Fund Activity

373 hedge funds and large institutions have $9.67B invested in Masimo in 2025 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 126 increasing their positions, 136 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
373
Holders Change
-19
Holders Change %
-4.85%
% of All Funds
5%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
43
Increased
126
Reduced
136
Closed
58
Calls
$10.1M
Puts
$3.87M
Net Calls
+$6.21M
Net Calls Change
+$4.58M

Top Buyers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$139M
2
Viking Global Investors
Viking Global Investors
Connecticut
+$129M
3
BlackRock
BlackRock
New York
+$107M
4
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$85.7M
5
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$84.5M

Top Sellers

1
Artisan Partners
Artisan Partners
Wisconsin
-$49.8M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
-$49M
3
Capital Research Global Investors
Capital Research Global Investors
California
-$33.7M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$30.3M
5
Millennium Management
Millennium Management
New York
-$22M
Name Holding Trade Value Shares
Change 		Shares
Change %
RA
201
RFG Advisory
Alabama
$654K -$487K -2,893 -43%
Prudential Financial
202
Prudential Financial
New Jersey
$651K +$115K +682 +21%
VI
203
Vestcor Inc
New Brunswick, Canada
$643K – – –
VCP
204
Verus Capital Partners
Arizona
$614K – – –
AG
205
Algert Global
California
$601K -$630K -3,740 -51%
BC
206
Bridgefront Capital
Texas
$600K +$150K +894 +33%
Truist Financial
207
Truist Financial
North Carolina
$595K +$57.2K +340 +11%
BHCM
208
Brevan Howard Capital Management
Jersey
$586K -$2.11M -12,533 -78%
SAM
209
Securian Asset Management
Minnesota
$577K – – –
OFG
210
Oxford Financial Group
Indiana
$577K – – –
AWM
211
Avior Wealth Management
Nebraska
$575K +$73.3K +436 +15%
ETC
212
Exchange Traded Concepts
Oklahoma
$562K -$33.8K -201 -6%
Wellington Management Group
213
Wellington Management Group
Massachusetts
$549K +$331K +1,969 +152%
Assenagon Asset Management
214
Assenagon Asset Management
Luxembourg
$509K -$228K -1,354 -31%
CGH
215
Crossmark Global Holdings
Texas
$498K -$36.2K -215 -7%
EC
216
EntryPoint Capital
New York
$477K -$426K -2,534 -47%
MCC
217
Malaga Cove Capital
California
$475K -$13.5K -80 -3%
M&T Bank
218
M&T Bank
New York
$464K +$96.7K +575 +26%
1WA
219
180 Wealth Advisors
Washington
$457K -$7.23K -43 -2%
BCM
220
Buckhead Capital Management
Georgia
$446K – – –
AV
221
Alamea Verwaltungs
New Jersey
$432K +$101K +603 +31%
WAS
222
Wesleyan Assurance Society
United Kingdom
$429K – – –
KIA
223
KCM Investment Advisors
California
$423K – – –
URS
224
Utah Retirement Systems
Utah
$401K +$13.8K +82 +4%
Wealth Enhancement Advisory Services
225
Wealth Enhancement Advisory Services
Minnesota
$397K -$5.7K -34 -1%
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