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Inspire Medical Systems

301 hedge funds and large institutions have $1.8B invested in Inspire Medical Systems in 2026 Q1 according to their latest regulatory filings, with 59 funds opening new positions, 119 increasing their positions, 100 reducing their positions, and 91 closing their positions.

New
Increased
Maintained
Reduced
Closed

19% more repeat investments, than reductions

Existing positions increased: 119 | Existing positions reduced: 100

4.5% more ownership

Funds ownership: 116.62%121.12% (+4.5%)

12% less funds holding

Funds holding: 342301 (-41)

35% less first-time investments, than exits

New positions opened: 59 | Existing positions closed: 91

42% less capital invested

Capital invested by funds: $3.12B → $1.8B (-$1.33B)

71% less call options, than puts

Call options by funds: $4.94M | Put options by funds: $17M

Holders
301
Holders Change
-41
Holders Change %
-11.99%
% of All Funds
3.71%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
59
Increased
119
Reduced
100
Closed
91
Calls
$4.94M
Puts
$17M
Net Calls
-$12.1M
Net Calls Change
-$6.76M
Name Holding Trade Value Shares
Change
Change in
Stake
RCM
26
RA Capital Management
Massachusetts
$16.8M +$12.9M +183,699 +129%
BNP Paribas Financial Markets
27
BNP Paribas Financial Markets
France
$16.5M -$9.45M -135,052 -30%
AQR Capital Management
28
AQR Capital Management
Connecticut
$15.9M +$19.7M +281,622 +1,042%
JFG
29
Jefferies Financial Group
New York
$15.8M -$81.6K -1,165 -0.4%
BAMCO Inc
30
BAMCO Inc
New York
$15.4M -$2.73M -39,016 -12%
Amundi
31
Amundi
France
$13.2M -$7.55M -107,792 -30%
Royal Bank of Canada
32
Royal Bank of Canada
Ontario, Canada
$13M +$16.9M +241,987 +2,203%
Dimensional Fund Advisors
33
Dimensional Fund Advisors
Texas
$12.1M -$7.47M -106,727 -31%
Susquehanna International Group
34
Susquehanna International Group
Pennsylvania
$10.9M +$11.3M +162,076 +334%
Acadian Asset Management
35
Acadian Asset Management
Massachusetts
$10.8M +$13M +186,071 +795%
Northern Trust
36
Northern Trust
Illinois
$10.2M -$29.6K -423 -0.2%
Bank of America
37
Bank of America
North Carolina
$9.6M -$1.68M -24,057 -11%
Charles Schwab
38
Charles Schwab
California
$9.46M -$756K -10,804 -6%
Cerity Partners
39
Cerity Partners
New York
$9.36M +$12.7M +181,426 New
T. Rowe Price Associates
40
T. Rowe Price Associates
Maryland
$9.35M -$8.88M -126,858 -41%
BA
41
Bridgewater Associates
Connecticut
$8.95M +$7.13M +101,806 +142%
VFT
42
Vanguard Fiduciary Trust
Pennsylvania
$8.65M +$11.7M +167,700 New
Tudor Investment Corp
43
Tudor Investment Corp
Connecticut
$8.63M +$3.8M +54,345 +48%
Canada Pension Plan Investment Board
44
Canada Pension Plan Investment Board
Ontario, Canada
$8.46M +$4.1M +58,600 +56%
CIP
45
Champlain Investment Partners
Vermont
$8.2M -$3.09M -44,109 -22%
YIH
46
Y-Intercept (HK)
Hong Kong
$8.16M +$6.14M +87,639 +124%
Balyasny Asset Management
47
Balyasny Asset Management
Illinois
$7.83M -$2.48M -35,370 -19%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$7.67M -$4.69M -67,016 -31%
Ameriprise
49
Ameriprise
Minnesota
$7.4M +$3.65M +52,174 +57%
LP
50
Longaeva Partners
Illinois
$7.16M +$9.71M +138,761 New