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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
Amundi
176
Amundi
France
$861K
BA
177
Bridgewater Associates
Connecticut
$853K
TC
178
Truvestments Capital
Florida
$839K
NSIM
179
North Star Investment Management
Illinois
$823K
SG Americas Securities
180
SG Americas Securities
New York
$792K
HMS
181
Hanseatic Management Services
New Mexico
$788K
ZBNA
182
Zions Bancorporation, National Association
Utah
$780K
SW
183
SteelPeak Wealth
California
$768K
HighTower Advisors
184
HighTower Advisors
Illinois
$730K
GAM
185
Gotham Asset Management
New York
$702K
QCM
186
Quantinno Capital Management
New York
$693K
HSBC Holdings
187
HSBC Holdings
United Kingdom
$677K
Pictet Asset Management
188
Pictet Asset Management
Switzerland
$675K
Mariner
189
Mariner
Kansas
$652K
ProShare Advisors
190
ProShare Advisors
Maryland
$649K
SFI
191
Susquehanna Fundamental Investments
Pennsylvania
$638K
BIG
192
Brooklyn Investment Group
New York
$618K
ACM
193
Aquatic Capital Management
Illinois
$616K
CIAM
194
Caitong International Asset Management
Hong Kong
$608K
MSRPS
195
Maryland State Retirement & Pension System
Maryland
$598K
I
196
InceptionR
California
$582K
GC
197
Guidance Capital
Kentucky
$565K
SPS
198
Susquehanna Portfolio Strategies
Pennsylvania
$552K
Public Employees Retirement Association of Colorado
199
Public Employees Retirement Association of Colorado
Colorado
$539K
PFA
200
Pure Financial Advisors
California
$534K