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Masimo
MASI

Overview Fund Activity

362 hedge funds and large institutions have $8.5B invested in Masimo in 2024 Q4 according to their latest regulatory filings, with 63 funds opening new positions, 117 increasing their positions, 115 reducing their positions, and 50 closing their positions.

Holders
362
Holders Change
+5
Holders Change %
+1.4%
% of All Funds
4.82%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
63
Increased
117
Reduced
115
Closed
50
Calls
$21.3M
Puts
$12.6M
Net Calls
+$8.76M
Net Calls Change
-$29M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.34B
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$406M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$287M
4
AllianceBernstein
4
AllianceBernstein
Tennessee
$157M
5
Millennium Management
5
Millennium Management
New York
$67.5M

Top Sellers

1
AMG
1
Ace Management Global
Brazil
$7.88M
2
FCM
2
Farallon Capital Management
California
$65.6M
3
RI
3
RTW Investments
New York
$113M
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$127M
5
Man Group
5
Man Group
United Kingdom
$10.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
201
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$593K 3,587 -27,313 -88%
Mariner
202
Mariner
Kansas
$572K 3,459 +321 +10%
AQR Capital Management
203
AQR Capital Management
Connecticut
$569K 3,442 -12,774 -79%
OFG
204
Oxford Financial Group
Indiana
$567K 3,430 -16 -0.5%
Truist Financial
205
Truist Financial
North Carolina
$560K 3,385 -510 -13%
SPC
206
Sigma Planning Corp
Michigan
$556K 3,365 +600 +22%
Lido Advisors
207
Lido Advisors
California
$555K 3,356 +3,356 New
Janney Montgomery Scott
208
Janney Montgomery Scott
Pennsylvania
$554K 3,352 -346 -9%
SAM
209
Securian Asset Management
Minnesota
$551K 3,333 -100 -3%
AWM
210
Avior Wealth Management
Nebraska
$542K 3,279 -2,452 -43%
FC
211
Farringdon Capital
United Kingdom
$532K 3,217 +3,217 New
PEAK6
212
PEAK6
Illinois
$528K 3,196 +3,196 New
CGH
213
Crossmark Global Holdings
Texas
$522K 3,160 -88 -3%
VAS
214
Vestmark Advisory Solutions
Massachusetts
$510K 3,085 +1,043 +51%
DCM
215
DAFNA Capital Management
California
$496K 3,000 – –
MCC
216
Malaga Cove Capital
California
$493K 2,984 -21 -0.7%
Franklin Resources
217
Franklin Resources
California
$484K 2,925 +1,242 +74%
AWM
218
AE Wealth Management
Kansas
$471K 2,852 +872 +44%
I
219
InceptionR
California
$462K 2,792 +337 +14%
1WA
220
180 Wealth Advisors
Washington
$455K 2,753 -29 -1%
M&T Bank
221
M&T Bank
New York
$440K 2,660 +124 +5%
BCM
222
Buckhead Capital Management
Georgia
$438K 2,650 – –
TRCT
223
Tower Research Capital (TRC)
New York
$428K 2,588 +1,515 +141%
NSAM
224
North Star Asset Management
Wisconsin
$424K 2,565 -6 -0.2%
WAS
225
Wesleyan Assurance Society
United Kingdom
$421K 2,550 – –
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9
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