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OSI Systems
OSIS

Overview Fund Activity

334 hedge funds and large institutions have $4.2B invested in OSI Systems in 2025 Q2 according to their latest regulatory filings, with 62 funds opening new positions, 117 increasing their positions, 120 reducing their positions, and 26 closing their positions.

Holders
334
Holders Change
+29
Holders Change %
+9.51%
% of All Funds
4.48%
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
117
Reduced
120
Closed
26
Calls
$56.3M
Puts
$14.4M
Net Calls
+$42M
Net Calls Change
+$5.36M

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 Holding Trade Value Shares
Change 		Shares
Change %
BF
326
BOK Financial
Oklahoma
$675 – – –
BGAI
327
Bruce G. Allen Investments
Colorado
$675 – – –
CT
328
Clearstead Trust
Maine
$675 +$675 +3 New
SIC
329
SJS Investment Consulting
Ohio
$450 -$225 -1 -33%
HNB
330
Huntington National Bank
Ohio
$450 – – –
HIA
331
HFM Investment Advisors
New Jersey
$450 +$450 +2 New
TFM
332
TFC Financial Management
Massachusetts
$225 – – –
RWM
333
Rialto Wealth Management
New York
$225 +$225 +1 New
PWM
334
Parkworth Wealth Management
California
$225 +$225 +1 New
OAM
335
Ophir Asset Management
Australia
– -$24.4M -125,426 Closed
Mirae Asset Global ETFs Holdings
336
Mirae Asset Global ETFs Holdings
Hong Kong
– -$14.1M -72,764 Closed
CF
337
Corebridge Financial
Texas
– -$1.61M -8,277 Closed
JF
338
Jump Financial
Illinois
– -$1.47M -7,558 Closed
SC
339
Scotia Capital
Ontario, Canada
– -$1.01M -5,190 Closed
SC
340
SummitTX Capital
Texas
– -$829K -4,265 Closed
PWM
341
Pinnacle Wealth Management
California
– -$636K -3,275 Closed
RAM
342
Resona Asset Management
Japan
– -$555K -2,854 Closed
Pathstone Holdings
343
Pathstone Holdings
New Jersey
– -$409K -2,102 Closed
HWM
344
Hohimer Wealth Management
Washington
– -$374K -1,927 Closed
WIA
345
World Investment Advisors
California
– -$365K -1,877 Closed
ET
346
Entropy Technologies
New York
– -$263K -1,352 Closed
GCM
347
Graham Capital Management
Connecticut
– -$248K -1,275 Closed
Mercer Global Advisors
348
Mercer Global Advisors
Colorado
– -$216K -1,113 Closed
OAM
349
Ostrum Asset Management
France
– -$85.3K -439 Closed
Canada Pension Plan Investment Board
350
Canada Pension Plan Investment Board
Ontario, Canada
– -$77.7K -400 Closed
11 12 13
14
15