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Masimo
MASI

Overview Fund Activity

338 hedge funds and large institutions have $3.65B invested in Masimo in 2017 Q4 according to their latest regulatory filings, with 53 funds opening new positions, 101 increasing their positions, 131 reducing their positions, and 34 closing their positions.

Holders
338
Holders Change
+15
Holders Change %
+4.64%
% of All Funds
7.68%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
53
Increased
101
Reduced
131
Closed
34
Calls
$4.76M
Puts
$6.06M
Net Calls
-$1.29M
Net Calls Change
+$1.33M

Top Buyers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$58M
2
Westfield Capital Management
2
Westfield Capital Management
Massachusetts
$41.4M
3
MWNA
3
Marshall Wace North America
New York
$21.6M
4
CIP
4
Champlain Investment Partners
Vermont
$16.8M
5
CWAM
5
Columbia Wanger Asset Management
Illinois
$103M

Top Sellers

1
Acadian Asset Management
1
Acadian Asset Management
Massachusetts
$89.4M
2
NFA
2
Nationwide Fund Advisors
Ohio
$0
3
Two Sigma Advisers
3
Two Sigma Advisers
New York
$18.2M
4
NI
4
Numeric Investors
Massachusetts
$15.8M
5
Robeco Institutional Asset Management
5
Robeco Institutional Asset Management
Netherlands
$77M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$615M 7,247,465 -178,773 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$419M 4,939,543 -70,830 -1%
State Street
3
State Street
Massachusetts
$140M 1,645,263 +53,523 +3%
CWAM
4
Columbia Wanger Asset Management
Illinois
$103M 1,213,569 +190,992 +19%
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$89.4M 1,053,682 -523,867 -33%
Bank of New York Mellon
6
Bank of New York Mellon
New York
$87.9M 1,037,092 -37,556 -3%
Arrowstreet Capital
7
Arrowstreet Capital
Massachusetts
$84.6M 997,073 -114,440 -10%
Robeco Institutional Asset Management
8
Robeco Institutional Asset Management
Netherlands
$77M 907,396 -187,735 -17%
JIM
9
Jupiter Investment Management
United Kingdom
$74.7M 881,000 +72,512 +9%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$65.4M 771,460 -79,774 -9%
Prudential Financial
11
Prudential Financial
New Jersey
$64.4M 759,875 +74,607 +11%
Northern Trust
12
Northern Trust
Illinois
$62.3M 734,955 -29,660 -4%
Point72 Asset Management
13
Point72 Asset Management
Connecticut
$58M 684,025 +684,025 New
Geode Capital Management
14
Geode Capital Management
Massachusetts
$52.4M 618,119 -36,067 -6%
Norges Bank
15
Norges Bank
Norway
$50.9M 599,715 -57,315 -9%
American Century Companies
16
American Century Companies
Missouri
$49.8M 587,070 +110,107 +23%
Renaissance Technologies
17
Renaissance Technologies
New York
$46.8M 552,100 -131,300 -19%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$43.2M 509,580 -117,351 -19%
Morgan Stanley
19
Morgan Stanley
New York
$42.5M 501,450 +116,653 +30%
T. Rowe Price Associates
20
T. Rowe Price Associates
Maryland
$41.9M 494,409 -2,664 -0.5%
Westfield Capital Management
21
Westfield Capital Management
Massachusetts
$41.4M 488,468 +262,489 +116%
Schroder Investment Management Group
22
Schroder Investment Management Group
United Kingdom
$39.7M 468,020 +129,905 +38%
Janus Henderson Group
23
Janus Henderson Group
United Kingdom
$37.6M 443,165 +83,711 +23%
VOYA Investment Management
24
VOYA Investment Management
Georgia
$35.2M 415,214 +5,413 +1%
Victory Capital Management
25
Victory Capital Management
Texas
$34.8M 410,400 +109,470 +36%
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