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OSI Systems
OSIS

Overview Fund Activity

331 hedge funds and large institutions have $4.19B invested in OSI Systems in 2025 Q2 according to their latest regulatory filings, with 62 funds opening new positions, 116 increasing their positions, 119 reducing their positions, and 26 closing their positions.

Holders
331
Holders Change
+26
Holders Change %
+8.52%
% of All Funds
4.44%
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
116
Reduced
119
Closed
26
Calls
$42.5M
Puts
$7.89M
Net Calls
+$34.7M
Net Calls Change
-$1.95M

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 Market Value Shares Shares
Change 		Shares
Change %
BNP Paribas Financial Markets
51
BNP Paribas Financial Markets
France
$11.8M 52,685 -6,617 -11%
Asset Management One
52
Asset Management One
Japan
$11.8M 52,548 – –
NIP
53
Nicholas Investment Partners
California
$11.5M 51,228 -10,077 -16%
TAM
54
Telemark Asset Management
Massachusetts
$11.2M 50,000 – –
Squarepoint
55
Squarepoint
New York
$11.1M 49,568 -595 -1%
Jane Street
56
Jane Street
New York
$10.8M 48,178 +44,643 +1,263%
IECM
57
Intrinsic Edge Capital Management
Illinois
$10.3M 45,855 -62,536 -58%
RhumbLine Advisers
58
RhumbLine Advisers
Massachusetts
$10.3M 45,755 +521 +1%
Legal & General Group
59
Legal & General Group
United Kingdom
$10M 44,587 +1,144 +3%
PP
60
PDT Partners
New York
$9.47M 42,104 +15,108 +56%
First Trust Advisors
61
First Trust Advisors
Illinois
$8.81M 39,198 -8,474 -18%
AI
62
Axiom Investors
Connecticut
$8.45M 37,578 -674 -2%
Ameriprise
63
Ameriprise
Minnesota
$8.31M 36,949 -66,900 -64%
Barclays
64
Barclays
United Kingdom
$8.11M 36,050 +9,696 +37%
Hotchkis & Wiley Capital Management
65
Hotchkis & Wiley Capital Management
California
$7.8M 34,700 +2,410 +7%
BCC
66
Bridge City Capital
Oregon
$7.62M 33,882 -9,581 -22%
GIA
67
GHP Investment Advisors
Colorado
$7.22M 32,126 +498 +2%
Point72 Asset Management
68
Point72 Asset Management
Connecticut
$7.21M 32,046 +13,996 +78%
Swiss National Bank
69
Swiss National Bank
Switzerland
$6.86M 30,500 -300 -1%
Osaic Holdings
70
Osaic Holdings
Arizona
$6.48M 32,634 +26,325 +417%
Two Sigma Investments
71
Two Sigma Investments
New York
$6.4M 28,448 +28,448 New
TC
72
TwinBeech Capital
New York
$6.24M 27,760 +27,760 New
MAP
73
Moody Aldrich Partners
Massachusetts
$5.9M 26,245 -4,267 -14%
HF
74
HRT Financial
New York
$5.78M 25,716 +10,905 +74%
EI
75
EAM Investors
California
$5.72M 25,442 +990 +4%
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3
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