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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
BlackRock
1
BlackRock
New York
$672M -$8.92M -32,279 -1%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$522M +$85.6M +309,658 +19%
VPM
3
Vanguard Portfolio Management
Pennsylvania
$332M +$346M +1,249,748 New
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$205M +$5.46M +19,747 +3%
VCM
5
Vanguard Capital Management
Pennsylvania
$186M +$193M +699,253 New
Mawer Investment Management
6
Mawer Investment Management
Alberta, Canada
$176M -$39M -140,968 -18%
State Street
7
State Street
Massachusetts
$176M +$1.1M +3,967 +0.6%
Capital International Investors
8
Capital International Investors
California
$164M -$15.2M -54,864 -8%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$117M +$8.23M +29,760 +7%
UBS AM
10
UBS AM
Illinois
$114M -$18.7M -67,691 -14%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$105M -$3.17M -11,464 -3%
Invesco
12
Invesco
Georgia
$99.1M -$14.4M -51,923 -12%
HRCM
13
Hood River Capital Management
Florida
$98.8M -$2.02M -7,300 -2%
Neuberger Berman Group
14
Neuberger Berman Group
New York
$80.7M +$866K +3,131 +1%
CCMG
15
Clark Capital Management Group
Pennsylvania
$71.8M +$1.19M +4,306 +2%
CCM
16
Channing Capital Management
Illinois
$70.9M +$73.8M +266,884 New
Bank of America
17
Bank of America
North Carolina
$70.7M -$5.5M -19,878 -7%
T. Rowe Price Associates
18
T. Rowe Price Associates
Maryland
$68.9M +$1.24M +4,483 +2%
Primecap Management
19
Primecap Management
California
$65M -$6.37M -23,050 -9%
Mirae Asset Global ETFs Holdings
20
Mirae Asset Global ETFs Holdings
Hong Kong
$61.6M +$19.2M +69,393 +43%
SFM
21
Systematic Financial Management
New Jersey
$58.2M -$3.87M -14,011 -6%
Morgan Stanley
22
Morgan Stanley
New York
$55.9M -$3.46M -12,527 -6%
Charles Schwab
23
Charles Schwab
California
$53.4M -$289K -1,047 -0.5%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$50.8M -$4.42M -15,979 -8%
NPIC
25
Neumeier Poma Investment Counsel
California
$50.8M -$1.21M -4,365 -2%