OSI Systems
OSIS
309 hedge funds and large institutions have $3.79B invested in OSI Systems in 2025 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 97 increasing their positions, 117 reducing their positions, and 47 closing their positions.
267% more call options, than puts
Call options by funds: $50.3M | Put options by funds: $13.7M
75% more funds holding in top 10
Funds holding in top 10: 4 → 7 (+3)
25% more capital invested
Capital invested by funds: $3.03B → $3.79B (+$755M)
15% more first-time investments, than exits
New positions opened: 54 | Existing positions closed: 47
7.68% more ownership
Funds ownership: 108.33% → 116% (+7.7%)
1% more funds holding
Funds holding: 306 → 309 (+3)
17% less repeat investments, than reductions
Existing positions increased: 97 | Existing positions reduced: 117
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS AM
Chicago,
Illinois
|
+$103M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$66.2M |
| 3 |
SCM
SG Capital Management
Chicago,
Illinois
|
+$43M |
| 4 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$38.9M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$38.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dimensional Fund Advisors
Austin,
Texas
|
-$30.4M |
| 2 |
Boston Partners
Boston,
Massachusetts
|
-$26.9M |
| 3 |
BlackRock
New York
|
-$23.5M |
| 4 |
Goldman Sachs
New York
|
-$17.6M |
| 5 |
Morgan Stanley
New York
|
-$12.3M |
OSIS Hedge Fund Activity: Q1 2025 in Review
309 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in OSI Systems (OSIS) for Q1 2025, worth a combined $3.79B — up 25% from $3.03B a quarter earlier.
Buyers outnumbered sellers: 54 funds opened new OSIS positions and 47 closed out — a net gain of 7 holders — while 97 added to existing stakes and 117 trimmed.
The largest buyer was UBS AM, adding an estimated $103M. The largest seller was Dimensional Fund Advisors, cutting an estimated $30.4M.
- 309 institutional investors held OSI Systems (OSIS) as of Q1 2025, up from 306 in Q4 2024.
- Funds reported $3.79B of OSI Systems stock for Q1 2025, up 25% quarter-over-quarter.
- 54 funds opened new OSI Systems positions in Q1 2025 and 47 closed out, a net change of +7 holders.
- The largest OSI Systems buyer in Q1 2025 was UBS AM, an estimated $103M added.
- The largest OSI Systems seller in Q1 2025 was Dimensional Fund Advisors, an estimated $30.4M sold.
Based on aggregated 13F filings for Q1 2025.