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OSI Systems

368 hedge funds and large institutions have $5B invested in OSI Systems in 2026 Q1 according to their latest regulatory filings, with 50 funds opening new positions, 124 increasing their positions, 143 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed

52% more first-time investments, than exits

New positions opened: 50 | Existing positions closed: 33

3.65% more ownership

Funds ownership: 110.8%114.45% (+3.6%)

3% more funds holding

Funds holding: 358368 (+10)

4% more capital invested

Capital invested by funds: $4.8B → $5B (+$202M)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

13% less repeat investments, than reductions

Existing positions increased: 124 | Existing positions reduced: 143

69% less call options, than puts

Call options by funds: $14.3M | Put options by funds: $45.9M

Holders
368
Holders Change
+10
Holders Change %
+2.79%
% of All Funds
4.53%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
50
Increased
124
Reduced
143
Closed
33
Calls
$14.3M
Puts
$45.9M
Net Calls
-$31.6M
Net Calls Change
-$33.4M
Name Holding Trade Value Shares
Change
Change in
Stake
VanEck Associates
26
VanEck Associates
New York
$50M -$10.8M -38,915 -17%
JP Morgan Chase
27
JP Morgan Chase
New York
$45.7M +$2.14M +7,745 +5%
William Blair Investment Management
28
William Blair Investment Management
Illinois
$45.6M -$5.44M -19,659 -10%
Northern Trust
29
Northern Trust
Illinois
$45.4M -$125K -453 -0.3%
ClearBridge Investments
30
ClearBridge Investments
New York
$43.4M -$5.96M -21,548 -12%
NAMI
31
Nomura Asset Management International
Pennsylvania
$42.9M -$7.6M -27,478 -15%
UBS Group
32
UBS Group
Switzerland
$36.1M -$49.8M -180,275 -57%
DCM
33
Driehaus Capital Management
Illinois
$31.3M -$32.6M -117,805 -50%
Swedbank
34
Swedbank
Sweden
$31.3M +$2.03M +7,327 +7%
VFT
35
Vanguard Fiduciary Trust
Pennsylvania
$28.6M +$29.8M +107,652 New
OAM
36
Oberweis Asset Management
Illinois
$28.3M +$1.44M +5,193 +5%
Principal Financial Group
37
Principal Financial Group
Iowa
$27.2M +$1.82M +6,591 +7%
Envestnet Asset Management
38
Envestnet Asset Management
Illinois
$26.7M +$1.2M +4,336 +5%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$26.1M -$1.32M -4,762 -5%
BNP Paribas Financial Markets
40
BNP Paribas Financial Markets
France
$26M +$14.1M +50,824 +108%
Ameriprise
41
Ameriprise
Minnesota
$25M +$14.9M +53,992 +135%
Wellington Management Group
42
Wellington Management Group
Massachusetts
$24.9M +$12.1M +43,893 +88%
Boston Partners
43
Boston Partners
Massachusetts
$23M +$2.62M +9,471 +12%
Asset Management One
44
Asset Management One
Japan
$22.1M +$1.87M +6,763 +9%
Brown Advisory
45
Brown Advisory
Maryland
$20.8M -$20.3M -73,351 -48%
Goldman Sachs
46
Goldman Sachs
New York
$19.9M -$9.19M -33,257 -31%
New York State Common Retirement Fund
47
New York State Common Retirement Fund
New York
$19M +$15.2M +55,111 +336%
M
48
Mirova
France
$17.3M +$18M +65,007 New
N
49
Nuveen
North Carolina
$15.9M -$2.57M -9,313 -13%
Public Sector Pension Investment Board (PSP Investments)
50
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$14.7M +$39.3K +142 +0.3%