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OSI Systems
OSIS
OSIS
358 hedge funds and large institutions have $4.8B invested in OSI Systems in 2025 Q4 according to their latest regulatory filings, with 63 funds opening new positions, 132 increasing their positions, 108 reducing their positions, and 45 closing their positions.
New
Increased
Maintained
Reduced
Closed
40% more first-time investments, than exits
New positions opened: 63 | Existing positions closed: 45
22% more repeat investments, than reductions
Existing positions increased: 132 | Existing positions reduced: 108
21% more call options, than puts
Call options by funds: $10.5M | Put options by funds: $8.65M
3% more funds holding
Funds holding: 349 → 358 (+9)
3% more capital invested
Capital invested by funds: $4.66B → $4.8B (+$141M)
0.31% less ownership
Funds ownership: 111.11% → 110.8% (-0.31%)
40% less funds holding in top 10
Funds holding in top 10: 5 → 3 (-2)
Holders
358
Holders Change
+9
Holders Change %
+2.58%
% of All Funds
4.36%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
63
Increased
132
Reduced
108
Closed
45
Calls
$10.5M
Puts
$8.65M
Net Calls
+$1.81M
Net Calls Change
-$4.63M
Top Buyers
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$148M |
| 2 |
William Blair Investment Management
Chicago,
Illinois
|
+$50M |
| 3 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$23.2M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$19.3M |
| 5 |
BlackRock
New York
|
+$15.1M |
Top Sellers
| 1 |
Janus Henderson Group
London,
United Kingdom
|
-$64.7M |
| 2 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$52.1M |
| 3 |
ClearBridge Investments
New York
|
-$15.5M |
| 4 |
Brown Advisory
Baltimore,
Maryland
|
-$15.3M |
| 5 |
Two Sigma Investments
New York
|
-$14.7M |
