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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 %
T. Rowe Price Investment Management
26
T. Rowe Price Investment Management
Maryland
$39.7M +$39.7M +204,205 New
Morgan Stanley
27
Morgan Stanley
New York
$36.5M -$12.5M -64,533 -26%
Northern Trust
28
Northern Trust
Illinois
$35M -$333K -1,711 -0.9%
Swedbank
29
Swedbank
Sweden
$25.3M +$15.5M +80,000 +160%
OAM
30
Ophir Asset Management
Australia
$24.4M -$5.52M -28,386 -18%
TAM
31
Thematics Asset Management
France
$24.3M -$4.51M -23,194 -16%
IECM
32
Intrinsic Edge Capital Management
Illinois
$21.1M -$81.8K -421 -0.4%
Goldman Sachs
33
Goldman Sachs
New York
$20.5M -$17.9M -92,325 -47%
Balyasny Asset Management
34
Balyasny Asset Management
Illinois
$20.5M +$18.9M +97,336 +1,232%
Bank of New York Mellon
35
Bank of New York Mellon
New York
$20.4M -$493K -2,537 -2%
Ameriprise
36
Ameriprise
Minnesota
$20.2M -$907K -4,665 -4%
OAM
37
Oberweis Asset Management
Illinois
$19.5M – – –
Principal Financial Group
38
Principal Financial Group
Iowa
$19.1M +$3.31M +17,018 +21%
Loomis, Sayles & Company
39
Loomis, Sayles & Company
Massachusetts
$18.7M +$18.7M +95,991 New
Boston Partners
40
Boston Partners
Massachusetts
$18.6M -$27.3M -141,455 -59%
Lord, Abbett & Co
41
Lord, Abbett & Co
New Jersey
$18M -$1.51M -7,782 -8%
Envestnet Asset Management
42
Envestnet Asset Management
Illinois
$16.4M +$22K +113 +0.1%
NL
43
Nuveen LLC
North Carolina
$15.5M +$15.5M +79,994 New
Mirae Asset Global ETFs Holdings
44
Mirae Asset Global ETFs Holdings
Hong Kong
$14.1M +$4.78M +24,575 +51%
NIP
45
Nicholas Investment Partners
California
$11.9M +$2.53M +13,006 +27%
BNP Paribas Financial Markets
46
BNP Paribas Financial Markets
France
$11.5M +$8.33M +42,875 +261%
PCA
47
Prospect Capital Advisors
California
$10.4M -$342K -1,760 -3%
Asset Management One
48
Asset Management One
Japan
$10.2M +$513K +2,642 +5%
Nordea Investment Management
49
Nordea Investment Management
Sweden
$10.2M +$30.9K +161 +0.3%
Squarepoint
50
Squarepoint
New York
$9.75M +$8.59M +44,215 +743%
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