OSIS icon

OSI Systems

352 hedge funds and large institutions have $4.8B invested in OSI Systems in 2025 Q4 according to their latest regulatory filings, with 60 funds opening new positions, 131 increasing their positions, 108 reducing their positions, and 45 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

3% more capital invested

Capital invested by funds: $4.66B → $4.8B (+$140M)

0.35% less ownership

Funds ownership: 111.11%110.76% (-0.35%)

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

Holders
352
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
$10.5M
Puts
$8.65M
Net Calls
Net Calls Change

Top Buyers

1 +$148M
2 +$50M
3 +$23.2M
4
Invesco
Invesco
Georgia
+$19.3M
5
BlackRock
BlackRock
New York
+$15.1M

Top Sellers

1 -$64.7M
2 -$52.1M
3 -$15.5M
4
Brown Advisory
Brown Advisory
Maryland
-$15.3M
5
Two Sigma Investments
Two Sigma Investments
New York
-$14.7M
Name Holding Trade Value Shares
Change
Change in
Stake
OL
176
Odyssean LLC
Connecticut
$700K
Amundi
177
Amundi
France
$691K
I
178
InceptionR
California
$666K
ECM
179
Everence Capital Management
Indiana
$650K
Mariner
180
Mariner
Kansas
$643K
Pathstone Holdings
181
Pathstone Holdings
New Jersey
$613K
VI
182
Vestcor Inc
New Brunswick, Canada
$612K
QCM
183
Quantinno Capital Management
New York
$605K
MSRPS
184
Maryland State Retirement & Pension System
Maryland
$599K
Pictet Asset Management
185
Pictet Asset Management
Switzerland
$598K
SPS
186
Susquehanna Portfolio Strategies
Pennsylvania
$531K
A
187
AlphaQuest
New York
$527K
Public Employees Retirement Association of Colorado
188
Public Employees Retirement Association of Colorado
Colorado
$518K
AAS
189
Ameritas Advisory Services
Nebraska
$514K
PFA
190
Pure Financial Advisors
California
$512K
SI
191
Severin Investments
Missouri
$495K
Bank of Montreal
192
Bank of Montreal
Ontario, Canada
$490K
MOACM
193
Mutual of America Capital Management
New York
$465K
II
194
Inspire Investing
Idaho
$464K
Russell Investments Group
195
Russell Investments Group
United Kingdom
$462K
Los Angeles Capital Management
196
Los Angeles Capital Management
California
$441K
GCM
197
Graham Capital Management
Connecticut
$440K
ATPW
198
Ashton Thomas Private Wealth
Arizona
$439K
RWP
199
RWA Wealth Partners
Massachusetts
$434K
GRP
200
Global Retirement Partners
California
$430K