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OSI Systems
OSIS

Overview Fund Activity

331 hedge funds and large institutions have $4.19B invested in OSI Systems in 2025 Q2 according to their latest regulatory filings, with 62 funds opening new positions, 116 increasing their positions, 119 reducing their positions, and 26 closing their positions.

Holders
331
Holders Change
+26
Holders Change %
+8.52%
% of All Funds
4.44%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.07%
New
62
Increased
116
Reduced
119
Closed
26
Calls
$42.5M
Puts
$7.89M
Net Calls
+$34.7M
Net Calls Change
-$1.95M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$50.5M
2
DCM
2
Driehaus Capital Management
Illinois
$23.1M
3
Invesco
3
Invesco
Georgia
$71.8M
4
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$16.8M
5
Citadel Advisors
5
Citadel Advisors
Florida
$13.6M

Top Sellers

1
UBS AM
1
UBS AM
Illinois
$129M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$237M
3
SCM
3
SG Capital Management
Illinois
$12.1M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$101M
5
CCMG
5
Clark Capital Management Group
Pennsylvania
$56.5M
Name Market Value Shares Shares
Change 		Shares
Change %
Assenagon Asset Management
101
Assenagon Asset Management
Luxembourg
$3.29M 14,638 -391 -3%
MHP
102
Manatuck Hill Partners
Connecticut
$3.22M 14,300 -3,600 -20%
Deutsche Bank
103
Deutsche Bank
Germany
$3.12M 13,894 -3,822 -22%
MML Investors Services
104
MML Investors Services
Massachusetts
$3.09M 13,736 +916 +7%
LCM
105
Legato Capital Management
California
$3.05M 13,584 -2,630 -16%
Norges Bank
106
Norges Bank
Norway
$3.02M 13,450 +13,450 New
WB
107
WesBanco Bank
West Virginia
$3.02M 13,427 – –
Canada Life
108
Canada Life
Manitoba, Canada
$3.01M 13,385 -511 -4%
New York State Teachers Retirement System (NYSTRS)
109
New York State Teachers Retirement System (NYSTRS)
New York
$2.9M 12,903 +100 +0.8%
State of Wisconsin Investment Board
110
State of Wisconsin Investment Board
Wisconsin
$2.85M 12,681 -1,544 -11%
D.E. Shaw & Co
111
D.E. Shaw & Co
New York
$2.81M 12,499 -200 -2%
LS
112
Livforsakringsbolaget Skandia
Sweden
$2.63M 11,700 +2,100 +22%
Thrivent Financial for Lutherans
113
Thrivent Financial for Lutherans
Minnesota
$2.58M 11,481 +6 +0.1%
Prudential Financial
114
Prudential Financial
New Jersey
$2.53M 16,322 +1,016 +7%
SC
115
Skylands Capital
Wisconsin
$2.53M 11,250 -4,691 -29%
Wolverine Trading
116
Wolverine Trading
Illinois
$2.35M 10,470 +2,515 +32%
CL
117
CSS LLC
Illinois
$2.32M 10,296 +820 +9%
QT
118
Quantbot Technologies
New York
$2.31M 10,253 +10,253 New
Cetera Investment Advisers
119
Cetera Investment Advisers
Illinois
$2.28M 10,138 -766 -7%
Raymond James Financial
120
Raymond James Financial
Florida
$2.21M 9,824 -1,119 -10%
RFA
121
Register Financial Advisors
Georgia
$2.19M 9,720 -3,025 -24%
CIA
122
Cascade Investment Advisors
Oregon
$2.16M 9,588 -975 -9%
MIM
123
MetLife Investment Management
New Jersey
$2.14M 9,509 +242 +3%
Stifel Financial
124
Stifel Financial
Missouri
$2.14M 9,500 +106 +1%
Franklin Resources
125
Franklin Resources
California
$2.13M 9,469 -55 -0.6%
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5
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