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Masimo
MASI

Overview Fund Activity

413 hedge funds and large institutions have $7.56B invested in Masimo in 2023 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 112 increasing their positions, 171 reducing their positions, and 58 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
413
Holders Change
-12
Holders Change %
-2.82%
% of All Funds
6.51%
Holding in Top 10
6
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-45.45%
% of All Funds
0.09%
New
46
Increased
112
Reduced
171
Closed
58
Calls
$31.2M
Puts
$6.42M
Net Calls
+$24.8M
Net Calls Change
+$6.31M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.18B
2
Westfield Capital Management
2
Westfield Capital Management
Massachusetts
$157M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$799M
4
BlackRock
4
BlackRock
New York
$1.01B
5
First Trust Advisors
5
First Trust Advisors
Illinois
$29.5M

Top Sellers

1
FCM
1
Farallon Capital Management
California
$60.5M
2
Millennium Management
2
Millennium Management
New York
$36M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$8.55M
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$33.6M
5
Citadel Advisors
5
Citadel Advisors
Florida
$6.51M
Name Holding Trade Value Shares
Change 		Shares
Change %
TSS
276
Two Sigma Securities
New York
$346K +$346K +2,103 New
Cambridge Investment Research Advisors
277
Cambridge Investment Research Advisors
Iowa
$342K -$346K -2,107 -50%
DTL
278
Dynamic Technology Lab
Singapore
$340K +$340K +2,065 New
FRM
279
Fox Run Management
Connecticut
$340K +$340K +2,066 New
MAG
280
Millrace Asset Group
Pennsylvania
$327K -$1.54M -9,327 -82%
YMRC
281
Yorktown Management & Research Company
Virginia
$321K – – –
ESCM
282
Echo Street Capital Management
New York
$321K +$321K +1,949 New
Aviva
283
Aviva
United Kingdom
$305K +$494 +3 +0.2%
O
284
Ossiam
France
$305K +$176K +1,067 +136%
II
285
Inspire Investing
Idaho
$297K +$13K +79 +5%
API
286
Advisor Partners II
California
$296K -$7.9K -48 -3%
JCM
287
Janney Capital Management
Pennsylvania
$291K -$2.96K -18 -1%
Commonwealth Equity Services
288
Commonwealth Equity Services
Massachusetts
$290K -$30.5K -185 -10%
CC
289
Centiva Capital
New York
$289K +$20.9K +127 +8%
Twin Tree Management
290
Twin Tree Management
Texas
$283K -$307K -1,866 -52%
TI
291
Tidal Investments
Wisconsin
$281K -$1.34M -8,124 -83%
BC
292
Barrett & Company
Rhode Island
$280K – – –
CAPTRUST Financial Advisors
293
CAPTRUST Financial Advisors
North Carolina
$272K +$2.96K +18 +1%
M&T Bank
294
M&T Bank
New York
$269K -$22.8K -139 -8%
P
295
Pitcairn
Pennsylvania
$264K -$4.77K -29 -2%
MWM
296
Mission Wealth Management
California
$263K +$263K +1,600 New
Mackenzie Financial
297
Mackenzie Financial
Ontario, Canada
$258K – – –
Jane Street
298
Jane Street
New York
$248K -$1.59M -9,691 -87%
WG
299
Winton Group
United Kingdom
$248K -$327K -1,990 -57%
PA
300
Profund Advisors
Maryland
$247K -$30.6K -186 -11%
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12
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