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Insulet

717 hedge funds and large institutions have $18.7B invested in Insulet in 2025 Q1 according to their latest regulatory filings, with 94 funds opening new positions, 298 increasing their positions, 226 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

96% more first-time investments, than exits

New positions opened: 94 | Existing positions closed: 48

32% more repeat investments, than reductions

Existing positions increased: 298 | Existing positions reduced: 226

5% more funds holding

Funds holding: 682717 (+35)

1% more capital invested

Capital invested by funds: $18.4B → $18.7B (+$236M)

0.42% more ownership

Funds ownership: 100.53%100.96% (+0.42%)

0% more funds holding in top 10

Funds holding in top 10: 55 (0)

32% less call options, than puts

Call options by funds: $103M | Put options by funds: $150M

Holders
717
Holders Change
+35
Holders Change %
+5.13%
% of All Funds
9.62%
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.07%
New
94
Increased
298
Reduced
226
Closed
48
Calls
$103M
Puts
$150M
Net Calls
-$47.5M
Net Calls Change
+$6.76M
Name Holding Trade Value Shares
Change
Change in
Stake
William Blair & Company
51
William Blair & Company
Illinois
$46.6M -$1.63M -6,006 -3%
CC
52
Chicago Capital
Illinois
$45M +$681K +2,516 +1%
AAM
53
AMI Asset Management
California
$44.9M -$1.68M -6,219 -4%
HSBC Holdings
54
HSBC Holdings
United Kingdom
$44.6M +$687K +2,537 +2%
Capital World Investors
55
Capital World Investors
California
$44.1M -$812 -3 -0%
Aberdeen Group
56
Aberdeen Group
United Kingdom
$43.9M -$3.76M -13,892 -8%
TIM
57
Thornburg Investment Management
New Mexico
$43.3M +$4.46M +16,470 New
Sumitomo Mitsui Trust Group
58
Sumitomo Mitsui Trust Group
Japan
$41.9M -$4.87K -18 -0%
Renaissance Technologies
59
Renaissance Technologies
New York
$41.8M +$54.1K +200 +0.1%
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$40.1M +$2.74M +10,135 +7%
OCBV
61
Ownership Capital B.V.
Netherlands
$40M -$7.73M -28,579 -16%
Nomura Asset Management
62
Nomura Asset Management
Japan
$39.3M +$1.16M +4,272 +3%
Envestnet Asset Management
63
Envestnet Asset Management
Illinois
$38.9M -$10.9M -40,369 -21%
Wells Fargo
64
Wells Fargo
California
$38.7M -$1.87M -6,915 -4%
DCM
65
Driehaus Capital Management
Illinois
$38.3M +$12.4M +45,916 +46%
Citadel Advisors
66
Citadel Advisors
Florida
$37.8M -$158M -585,155 -80%
Allianz Asset Management
67
Allianz Asset Management
Germany
$36.5M +$6.79M +25,095 +22%
PHP
68
Parkman Healthcare Partners
Connecticut
$34.3M +$1.29M +4,753 +4%
BNP Paribas Financial Markets
69
BNP Paribas Financial Markets
France
$34M +$318K +1,175 +0.9%
Barclays
70
Barclays
United Kingdom
$33.1M -$1.64M -6,061 -5%
Mitsubishi UFJ Asset Management
71
Mitsubishi UFJ Asset Management
Japan
$32.8M +$3.61M +13,335 +12%
BIAS
72
Beacon Investment Advisory Services
New Jersey
$32M -$7.82M -28,889 -19%
PAMP
73
Polar Asset Management Partners
Ontario, Canada
$32M -$25.9M -95,838 -44%
SIMG
74
Stephens Investment Management Group
Texas
$31.4M +$11.8M +43,750 +58%
California Public Employees Retirement System
75
California Public Employees Retirement System
California
$31.1M +$1.74M +6,414 +6%