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MASI

Masimo

Delisted

MASI was delisted on the 9th of June, 2026.

178 hedge funds and large institutions have $1.09B invested in Masimo in 2014 Q2 according to their latest regulatory filings, with 36 funds opening new positions, 73 increasing their positions, 52 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

40% more repeat investments, than reductions

Existing positions increased: 73 | Existing positions reduced: 52

29% more first-time investments, than exits

New positions opened: 36 | Existing positions closed: 28

4% more funds holding

Funds holding: 171178 (+7)

17% less capital invested

Capital invested by funds: $1.33B → $1.09B (-$232M)

30% less call options, than puts

Call options by funds: $33K | Put options by funds: $47K

Holders
178
Holders Change
+7
Holders Change %
+4.09%
% of All Funds
5.11%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
36
Increased
73
Reduced
52
Closed
28
Calls
$33K
Puts
$47K
Net Calls
-$14K
Net Calls Change
+$351K
Name Holding Trade Value Shares
Change
Change in
Stake
AIG
101
American International Group
New York
$882K -$2.48M -100,091 -73%
BMCMI
102
Bryn Mawr Capital Management Inc
Pennsylvania
$878K +$645K +25,985 +232%
Tudor Investment Corp
103
Tudor Investment Corp
Connecticut
$873K +$310K +12,500 +51%
CEP
104
Chicago Equity Partners
Illinois
$872K +$917K +36,960 New
GCP
105
GSA Capital Partners
United Kingdom
$868K +$466K +18,805 +105%
AL
106
Airain Ltd
Guernsey
$850K +$199K +8,012 +29%
WG
107
Winton Group
United Kingdom
$837K +$880K +35,481 New
MAM
108
Martingale Asset Management
Massachusetts
$835K +$48.4K +1,950 +6%
OSAM
109
O'Shaughnessy Asset Management
Connecticut
$821K -$14.4K -579 -2%
WC
110
Weatherbie Capital
Massachusetts
$771K -$10.5M -424,251 -93%
JP Morgan Chase
111
JP Morgan Chase
New York
$762K +$472K +19,010 +143%
Manulife (Manufacturers Life Insurance)
112
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$732K -$1.99M -80,166 -72%
SCM
113
Stonebridge Capital Management
California
$729K +$209K +8,415 +37%
MC
114
Menta Capital
California
$706K +$742K +29,899 New
SCM
115
Stevens Capital Management
Pennsylvania
$679K +$713K +28,760 New
GC
116
Globeflex Capital
California
$670K +$704K +28,400 New
Nomura Holdings
117
Nomura Holdings
Japan
$661K +$424K +17,102 +159%
TC
118
TFS Capital
Pennsylvania
$661K +$695K +28,013 New
ProShare Advisors
119
ProShare Advisors
Maryland
$652K -$703K -28,340 -51%
MIU
120
Man Investments (UK)
United Kingdom
$628K +$660K +26,609 New
Marshall Wace
121
Marshall Wace
United Kingdom
$622K +$654K +26,364 New
LSERS
122
Louisiana State Employees Retirement System
Louisiana
$566K +$251K +10,100 +73%
CAN
123
Cetera Advisor Networks
California
$542K -$130K -5,223 -19%
HI
124
HBK Investments
Texas
$512K +$538K +21,700 New
Brown Advisory
125
Brown Advisory
Maryland
$510K -$78.6K -3,167 -13%

MASI Hedge Fund Activity: Q2 2014 in Review

178 of the 3,481 institutional investors tracked by Wall St. Rank reported a position in Masimo (MASI) for Q2 2014, worth a combined $1.09B — down 17% from $1.33B a quarter earlier.

Buyers outnumbered sellers: 36 funds opened new MASI positions and 28 closed out — a net gain of 8 holders — while 73 added to existing stakes and 52 trimmed.

The largest buyer was Norges Bank, adding an estimated $19.4M. The largest seller was Consonance Capital Management, exiting entirely with an estimated $29.7M sold.

  • 178 institutional investors held Masimo (MASI) as of Q2 2014, up from 171 in Q1 2014.
  • Funds reported $1.09B of Masimo stock for Q2 2014, down 17% quarter-over-quarter.
  • 36 funds opened new Masimo positions in Q2 2014 and 28 closed out, a net change of +8 holders.
  • The largest Masimo buyer in Q2 2014 was Norges Bank, an estimated $19.4M added.
  • The largest Masimo seller in Q2 2014 was Consonance Capital Management, an estimated $29.7M sold.

Based on aggregated 13F filings for Q2 2014.