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OSI Systems
OSIS

Overview Fund Activity

305 hedge funds and large institutions have $3.78B invested in OSI Systems in 2025 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 97 increasing their positions, 113 reducing their positions, and 47 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
305
Holders Change
+4
Holders Change %
+1.33%
% of All Funds
4.14%
Holding in Top 10
7
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+75%
% of All Funds
0.1%
New
56
Increased
97
Reduced
113
Closed
47
Calls
$50.3M
Puts
$13.7M
Net Calls
+$36.6M
Net Calls Change
-$2.98M

Top Buyers

1
UBS AM
1
UBS AM
Illinois
$171M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$232M
3
SCM
3
SG Capital Management
Illinois
$43.9M
4
T. Rowe Price Investment Management
4
T. Rowe Price Investment Management
Maryland
$39.7M
5
Bank of America
5
Bank of America
North Carolina
$57.7M

Top Sellers

1
Dimensional Fund Advisors
1
Dimensional Fund Advisors
Texas
$115M
2
Boston Partners
2
Boston Partners
Massachusetts
$18.6M
3
BlackRock
3
BlackRock
New York
$497M
4
Goldman Sachs
4
Goldman Sachs
New York
$20.5M
5
Morgan Stanley
5
Morgan Stanley
New York
$36.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
M&T Bank
326
M&T Bank
New York
– -$300K -1,793 Closed
CC
327
Corton Capital
Ontario, Canada
– -$281K -1,678 Closed
JG
328
Jain Global
New York
– -$268K -1,602 Closed
QC
329
Quantessence Capital
New York
– -$231K -1,381 Closed
Commonwealth Equity Services
330
Commonwealth Equity Services
Massachusetts
– -$222K -1,323 Closed
CAG
331
Csenge Advisory Group
Florida
– -$218K -1,300 Closed
LAM
332
Longboard Asset Management
Arizona
– -$202K -1,204 Closed
MAM
333
Martingale Asset Management
Massachusetts
– -$201K -1,200 Closed
CFGS
334
Concourse Financial Group Securities
Alabama
– -$58.1K -344 Closed
Simplex Trading
335
Simplex Trading
Illinois
– -$26K -159 Closed
ACM
336
Aster Capital Management
United Arab Emirates
– -$25.4K -152 Closed
BAM
337
Byrne Asset Management
New Jersey
– -$20.8K -124 Closed
RA
338
Rise Advisors
New York
– -$15.4K -92 Closed
AWM
339
Avior Wealth Management
Nebraska
– -$12.4K -74 Closed
AAP
340
Arax Advisory Partners
Colorado
– -$11.6K -69 Closed
CIA
341
Cape Investment Advisory
Georgia
– -$9.21K -55 Closed
VWM
342
Venturi Wealth Management
Texas
– -$7.2K -43 Closed
LFA
343
LGT Financial Advisors
Texas
– -$7.2K -43 Closed
GM
344
GeoWealth Management
Illinois
– -$5.02K -30 Closed
MCM
345
MAI Capital Management
Ohio
– -$4.19K -25 Closed
EC
346
Elequin Capital
New York
– -$4.19K -25 Closed
QL
347
Quarry LP
New York
– -$2.18K -13 Closed
VHAM
348
Van Hulzen Asset Management
California
– -$1.84K -11 Closed
NFSG
349
Newbridge Financial Services Group
Florida
– -$837 -5 Closed
DPW
350
DiNuzzo Private Wealth
Pennsylvania
– -$503 -3 Closed
11 12 13
14
15