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Insulet

815 hedge funds and large institutions have $19.9B invested in Insulet in 2025 Q4 according to their latest regulatory filings, with 115 funds opening new positions, 325 increasing their positions, 263 reducing their positions, and 88 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

1% more funds holding

Funds holding: 809815 (+6)

5% less capital invested

Capital invested by funds: $21.1B → $19.9B (-$1.13B)

11% less call options, than puts

Call options by funds: $84.1M | Put options by funds: $94.8M

Holders
815
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$84.1M
Puts
$94.8M
Net Calls
Net Calls Change

Top Sellers

1 -$389M
2 -$148M
3 -$79.8M
4
Squarepoint
Squarepoint
New York
-$67.4M
5
MP
Munro Partners
Australia
-$62.8M
Name Holding Trade Value Shares
Change
Change in
Stake
Barclays
51
Barclays
United Kingdom
$64.2M
Aberdeen Group
52
Aberdeen Group
United Kingdom
$64.1M
Arrowstreet Capital
53
Arrowstreet Capital
Massachusetts
$62.1M
Robeco Institutional Asset Management
54
Robeco Institutional Asset Management
Netherlands
$61.3M
FGP
55
Freestone Grove Partners
California
$56.4M
Swiss National Bank
56
Swiss National Bank
Switzerland
$54.8M
BG
57
Bellevue Group
Switzerland
$53.1M
CC
58
Chicago Capital
Illinois
$51.8M
SEI Investments
59
SEI Investments
Pennsylvania
$51.4M
Capital World Investors
60
Capital World Investors
California
$47.8M
Parnassus Investments
61
Parnassus Investments
California
$47.4M
QCM
62
Quantinno Capital Management
New York
$47.3M
Sumitomo Mitsui Trust Group
63
Sumitomo Mitsui Trust Group
Japan
$45.8M
Nomura Asset Management
64
Nomura Asset Management
Japan
$45.4M
Assenagon Asset Management
65
Assenagon Asset Management
Luxembourg
$44.6M
RhumbLine Advisers
66
RhumbLine Advisers
Massachusetts
$44.3M
AAM
67
AMI Asset Management
California
$44.1M
SCM
68
Soleus Capital Management
Connecticut
$42.6M
PCH
69
Polar Capital Holdings
United Kingdom
$42.2M
Mitsubishi UFJ Asset Management
70
Mitsubishi UFJ Asset Management
Japan
$41.7M
William Blair Investment Management
71
William Blair Investment Management
Illinois
$41.4M
SIMG
72
Stephens Investment Management Group
Texas
$40.1M
PHP
73
Parkman Healthcare Partners
Connecticut
$40M
Los Angeles Capital Management
74
Los Angeles Capital Management
California
$39.3M
Universal-Beteiligungs- und Servicegesellschaft
75
Universal-Beteiligungs- und Servicegesellschaft
Germany
$39.1M