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Insulet

778 hedge funds and large institutions have $14.6B invested in Insulet in 2026 Q1 according to their latest regulatory filings, with 88 funds opening new positions, 321 increasing their positions, 266 reducing their positions, and 123 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

27% less capital invested

Capital invested by funds: $20B → $14.6B (-$5.4B)

28% less first-time investments, than exits

New positions opened: 88 | Existing positions closed: 123

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

Holders
778
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$35.7M
Puts
$14.7M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
PHP
76
Parkman Healthcare Partners
Connecticut
$32.9M
VGA
77
Vanguard Global Advisers
Pennsylvania
$32.4M
Citadel Advisors
78
Citadel Advisors
Florida
$32.2M
AAM
79
AMI Asset Management
California
$31.5M
A
80
AustralianSuper
Australia
$30.5M
Janus Henderson Group
81
Janus Henderson Group
United Kingdom
$30.4M
EP
82
Eversept Partners
New York
$30.1M
Canada Pension Plan Investment Board
83
Canada Pension Plan Investment Board
Ontario, Canada
$30.1M
TD Asset Management
84
TD Asset Management
Ontario, Canada
$29.5M
ZCI
85
Zevenbergen Capital Investments
Washington
$29.3M
William Blair Investment Management
86
William Blair Investment Management
Illinois
$29.2M
D.E. Shaw & Co
87
D.E. Shaw & Co
New York
$28M
Baird Financial Group
88
Baird Financial Group
Wisconsin
$28M
Russell Investments Group
89
Russell Investments Group
United Kingdom
$27.8M
Barclays
90
Barclays
United Kingdom
$27M
AllianceBernstein
91
AllianceBernstein
Tennessee
$26.8M
VAM
92
Vanguard Asset Management
$25.5M
Wells Fargo
93
Wells Fargo
California
$24.9M
SAM
94
SEB Asset Management
$24.7M
Envestnet Asset Management
95
Envestnet Asset Management
Illinois
$24M
William Blair & Company
96
William Blair & Company
Illinois
$23.6M
Hudson Bay Capital Management
97
Hudson Bay Capital Management
Connecticut
$23.1M
Wellington Management Group
98
Wellington Management Group
Massachusetts
$22.6M
Kayne Anderson Rudnick Investment Management
99
Kayne Anderson Rudnick Investment Management
California
$22.6M
TCG
100
Tremblant Capital Group
Florida
$22.5M