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OSI Systems
OSIS

Overview Fund Activity

334 hedge funds and large institutions have $4.2B invested in OSI Systems in 2025 Q2 according to their latest regulatory filings, with 62 funds opening new positions, 117 increasing their positions, 120 reducing their positions, and 26 closing their positions.

Holders
334
Holders Change
+29
Holders Change %
+9.51%
% of All Funds
4.48%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.07%
New
62
Increased
117
Reduced
120
Closed
26
Calls
$56.3M
Puts
$14.4M
Net Calls
+$42M
Net Calls Change
+$5.36M

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$50.5M
2
DCM
2
Driehaus Capital Management
Illinois
$23.1M
3
Invesco
3
Invesco
Georgia
$71.8M
4
Royal Bank of Canada
4
Royal Bank of Canada
Ontario, Canada
$16.8M
5
Citadel Advisors
5
Citadel Advisors
Florida
$13.6M

Top Sellers

1
UBS AM
1
UBS AM
Illinois
$129M
2
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$237M
3
SCM
3
SG Capital Management
Illinois
$12.1M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$101M
5
CCMG
5
Clark Capital Management Group
Pennsylvania
$56.5M
Name Holding Trade Value Shares
Change 		Shares
Change %
IFU
251
iSAM Funds (UK)
United Kingdom
$222K +$222K +989 New
CIM
252
CIM Investment Management
Pennsylvania
$214K +$214K +951 New
TC
253
TradeLink Capital
Illinois
$205K -$310K -1,378 -60%
US Bancorp
254
US Bancorp
Minnesota
$195K -$16.9K -75 -8%
SO
255
STRS Ohio
Ohio
$180K +$67.5K +300 +60%
GRP
256
Global Retirement Partners
California
$176K +$176K +784 New
CIBC Private Wealth Group
257
CIBC Private Wealth Group
Georgia
$170K +$5.85K +26 +4%
RMC
258
Resources Management Corp
Connecticut
$157K – – –
CA
259
Clearstead Advisors
Ohio
$130K +$17.1K +76 +15%
CTC
260
Central Trust Company
Missouri
$118K – – –
SPIA
261
Steward Partners Investment Advisory
New York
$105K -$18.7K -83 -15%
KBC Group
262
KBC Group
Belgium
$94K -$63.9K -283 -40%
AssetMark Inc
263
AssetMark Inc
California
$93.3K +$29K +129 +45%
PFBT
264
Parkside Financial Bank & Trust
Missouri
$81.4K +$2.02K +9 +3%
WSFS
265
Wilmington Savings Fund Society
Delaware
$70.2K -$6.52K -29 -9%
GI
266
GAMMA Investing
California
$62.5K +$26.5K +118 +74%
QL
267
Quarry LP
New York
$58.7K +$58.7K +261 New
SAM
268
Smartleaf Asset Management
Massachusetts
$57.1K +$4.48K +20 +9%
UFF
269
USA Financial Formulas
Michigan
$55.3K +$55.3K +246 New
VIS
270
Vega Investment Solutions
France
$52.4K -$46.3K -206 -47%
VEA
271
Virtus ETF Advisers
New York
$49.2K – – –
Nisa Investment Advisors
272
Nisa Investment Advisors
Missouri
$44.7K +$1.12K +5 +3%
Ohio Public Employees Retirement System (OPERS)
273
Ohio Public Employees Retirement System (OPERS)
Ohio
$44.5K -$7.2K -32 -14%
PAS
274
Point72 Asia (Singapore)
Singapore
$43.7K +$43.7K +194 New
BNP Paribas Asset Management
275
BNP Paribas Asset Management
France
$36K +$36K +158 New
9 10
11
12 13