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Inspire Medical Systems

316 hedge funds and large institutions have $2.31B invested in Inspire Medical Systems in 2025 Q3 according to their latest regulatory filings, with 65 funds opening new positions, 96 increasing their positions, 126 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed

less ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less first-time investments, than exits

New positions opened: | Existing positions closed:

47% less capital invested

Capital invested by funds: $4.39B → $2.31B (-$2.08B)

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

53% less call options, than puts

Call options by funds: $9.1M | Put options by funds: $19.4M

Holders
316
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$9.1M
Puts
$19.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MPI
76
Mairs & Power Inc
Minnesota
$4.86M
WAM
77
Weiss Asset Management
Massachusetts
$4.68M
RPAM
78
Rhenman & Partners Asset Management
Sweden
$4.53M
BG
79
Bellevue Group
Switzerland
$4.35M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
80
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$4.34M
Mitsubishi UFJ Trust & Banking
81
Mitsubishi UFJ Trust & Banking
Japan
$4.14M
Swiss National Bank
82
Swiss National Bank
Switzerland
$4.04M
RCW
83
Rheos Capital Works
Japan
$3.89M
New York State Common Retirement Fund
84
New York State Common Retirement Fund
New York
$3.73M
AAA
85
Affinity Asset Advisors
New York
$3.71M
AQR Capital Management
86
AQR Capital Management
Connecticut
$3.67M
N
87
Nuveen
North Carolina
$3.55M
TRSOTSOK
88
Teachers Retirement System of the State of Kentucky
Kentucky
$3.44M
HF
89
HRT Financial
New York
$3.39M
Macquarie Group
90
Macquarie Group
Australia
$3.21M
HSBC Holdings
91
HSBC Holdings
United Kingdom
$3.19M
Citigroup
92
Citigroup
New York
$3.14M
Bank of Montreal
93
Bank of Montreal
Ontario, Canada
$3.11M
QT
94
Quantbot Technologies
New York
$3.05M
KFO
95
Kopp Family Office
Minnesota
$3.01M
Canada Pension Plan Investment Board
96
Canada Pension Plan Investment Board
Ontario, Canada
$2.94M
PHK
97
Point72 Hong Kong
Hong Kong
$2.9M
Two Sigma Investments
98
Two Sigma Investments
New York
$2.76M
ACM
99
Aquatic Capital Management
Illinois
$2.75M
BAM
100
Bullseye Asset Management
Colorado
$2.68M