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OSI Systems

369 hedge funds and large institutions have $5B invested in OSI Systems in 2026 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 124 increasing their positions, 143 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

more capital invested

Capital invested by funds: $ → $

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

13% less repeat investments, than reductions

Existing positions increased: 124 | Existing positions reduced: 143

69% less call options, than puts

Call options by funds: $14.3M | Put options by funds: $45.9M

Holders
369
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$14.3M
Puts
$45.9M
Net Calls
Net Calls Change

Top Sellers

1 -$49.8M
2 -$39M
3 -$32.6M
4
Brown Advisory
Brown Advisory
Maryland
-$20.3M
5
UBS AM
UBS AM
Illinois
-$18.7M
Name Holding Trade Value Shares
Change
Change in
Stake
HWM
251
HB Wealth Management
Georgia
$277K
DnB Asset Management
252
DnB Asset Management
Norway
$273K
VEA
253
Virtus ETF Advisers
New York
$261K
LIP
254
Liontrust Investment Partners
United Kingdom
$259K
ACM
255
Alessandra Capital Management
California
$256K
WS
256
Wedbush Securities
California
$255K
AF
257
Avanza Fonder
Sweden
$255K
CAG
258
Csenge Advisory Group
Florida
$252K
CAPTRUST Financial Advisors
259
CAPTRUST Financial Advisors
North Carolina
$249K
CIM
260
CIM Investment Management
Pennsylvania
$248K
AssetMark Inc
261
AssetMark Inc
California
$248K
BNA
262
BankChampaign, National Association
Illinois
$245K
P
263
&Partners
Tennessee
$243K
SOW
264
State of Wyoming
Wyoming
$236K
SFS
265
Sowell Financial Services
Arkansas
$233K
GLA
266
Great Lakes Advisors
Illinois
$227K
ECM
267
Evergreen Capital Management
Washington
$221K
VI
268
Vestcor Inc
New Brunswick, Canada
$220K
MCM
269
Massar Capital Management
Connecticut
$219K
SO
270
STRS Ohio
Ohio
$212K
RGF
271
Retirement Guys Formula
Ohio
$212K
PWPS
272
Pinnacle Wealth Planning Services
Ohio
$210K
CNC
273
Canandaigua National Corp
New York
$206K
TMC
274
Themes Management Co
Connecticut
$205K
FAM
275
Fred Alger Management
New York
$204K