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Insulet

796 hedge funds and large institutions have $20.9B invested in Insulet in 2025 Q3 according to their latest regulatory filings, with 108 funds opening new positions, 331 increasing their positions, 239 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

3.12% less ownership

Funds ownership: 99.47%96.35% (-3.1%)

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

48% less call options, than puts

Call options by funds: $98.5M | Put options by funds: $191M

Holders
796
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$98.5M
Puts
$191M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Millennium Management
51
Millennium Management
New York
$62M
Barclays
52
Barclays
United Kingdom
$59.6M
Wellington Management Group
53
Wellington Management Group
Massachusetts
$58.5M
HSBC Holdings
54
HSBC Holdings
United Kingdom
$56.8M
CC
55
Chicago Capital
Illinois
$55.4M
AQR Capital Management
56
AQR Capital Management
Connecticut
$53.9M
Prudential Financial
57
Prudential Financial
New Jersey
$52.1M
Capital World Investors
58
Capital World Investors
California
$51.9M
Kayne Anderson Rudnick Investment Management
59
Kayne Anderson Rudnick Investment Management
California
$51.6M
Sumitomo Mitsui Trust Group
60
Sumitomo Mitsui Trust Group
Japan
$50.3M
AAM
61
AMI Asset Management
California
$49.1M
Wells Fargo
62
Wells Fargo
California
$48.5M
Aberdeen Group
63
Aberdeen Group
United Kingdom
$47.8M
RhumbLine Advisers
64
RhumbLine Advisers
Massachusetts
$47.1M
Parnassus Investments
65
Parnassus Investments
California
$46.5M
Baird Financial Group
66
Baird Financial Group
Wisconsin
$44.3M
William Blair & Company
67
William Blair & Company
Illinois
$44.3M
SEI Investments
68
SEI Investments
Pennsylvania
$44.1M
SIMG
69
Stephens Investment Management Group
Texas
$43.5M
Mitsubishi UFJ Asset Management
70
Mitsubishi UFJ Asset Management
Japan
$43M
CI Investments Inc
71
CI Investments Inc
Ontario, Canada
$42.5M
Envestnet Asset Management
72
Envestnet Asset Management
Illinois
$42M
Assenagon Asset Management
73
Assenagon Asset Management
Luxembourg
$40.8M
Los Angeles Capital Management
74
Los Angeles Capital Management
California
$39.2M
Universal-Beteiligungs- und Servicegesellschaft
75
Universal-Beteiligungs- und Servicegesellschaft
Germany
$38.6M