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Inspire Medical Systems

103 hedge funds and large institutions have $628M invested in Inspire Medical Systems in 2018 Q4 according to their latest regulatory filings, with 29 funds opening new positions, 45 increasing their positions, 15 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 13 (+2)

200% more repeat investments, than reductions

Existing positions increased: 45 | Existing positions reduced: 15

123% more first-time investments, than exits

New positions opened: 29 | Existing positions closed: 13

61% more capital invested

Capital invested by funds: $390M → $628M (+$239M)

21.62% more ownership

Funds ownership: 43.37%64.98% (+22%)

18% more funds holding

Funds holding: 87103 (+16)

Holders
103
Holders Change
+16
Holders Change %
+18.39%
% of All Funds
2.3%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.07%
New
29
Increased
45
Reduced
15
Closed
13
Calls
$3.88M
Puts
Net Calls
+$3.88M
Net Calls Change
+$3.87M
Name Holding Trade Value Shares
Change
Change in
Stake
GGHC
26
Gilder Gagnon Howe & Co
New York
$6.11M -$293K -6,901 -5%
PC
27
Pier Capital
Connecticut
$5.92M -$1.42M -33,299 -19%
ACM
28
Atika Capital Management
New York
$5.7M +$366K +8,600 +7%
Geode Capital Management
29
Geode Capital Management
Massachusetts
$5.67M +$2.26M +53,223 +66%
Massachusetts Financial Services
30
Massachusetts Financial Services
Massachusetts
$5.39M +$112K +2,632 +2%
KCM
31
Kornitzer Capital Management
Kansas
$5.33M +$5.36M +126,100 New
CM
32
Castleark Management
Illinois
$5.17M +$5.2M +122,255 New
Citadel Advisors
33
Citadel Advisors
Florida
$4.96M -$3.11M -73,256 -38%
MIM
34
Monashee Investment Management
Massachusetts
$4.31M +$4.34M +102,000 New
JP Morgan Chase
35
JP Morgan Chase
New York
$4.08M +$3.93M +92,468 +2,194%
American Century Companies
36
American Century Companies
Missouri
$4.08M -$175K -4,115 -4%
BG
37
Bellevue Group
Switzerland
$3.91M +$81.6K +1,920 +2%
LCM
38
Laurion Capital Management
New York
$3.47M +$3.49M +82,200 New
Wellington Management Group
39
Wellington Management Group
Massachusetts
$3.35M +$770K +18,114 +30%
Jennison Associates
40
Jennison Associates
New York
$3.17M -$633K -14,899 -17%
OCM
41
Osterweis Capital Management
California
$2.94M -$1.76M -41,360 -37%
EI
42
EAM Investors
California
$2.82M -$1.27M -29,789 -31%
Charles Schwab
43
Charles Schwab
California
$2.81M +$969K +22,789 +52%
Bank of New York Mellon
44
Bank of New York Mellon
New York
$2.71M +$459K +10,786 +20%
D.E. Shaw & Co
45
D.E. Shaw & Co
New York
$2.52M +$1.12M +26,325 +79%
Dimensional Fund Advisors
46
Dimensional Fund Advisors
Texas
$2.36M +$2.37M +55,840 New
PCM
47
Pentwater Capital Management
Florida
$2.11M +$1.91M +45,000 +900%
CCI
48
Columbus Circle Investors
$1.99M +$149K +3,494 +8%
Barclays
49
Barclays
United Kingdom
$1.91M +$1.67M +39,229 +662%
Goldman Sachs
50
Goldman Sachs
New York
$1.77M -$287K -6,751 -14%

INSP Hedge Fund Activity: Q4 2018 in Review

103 of the 4,488 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q4 2018, worth a combined $628M — up 61% from $390M a quarter earlier.

Buyers outnumbered sellers: 29 funds opened new INSP positions and 13 closed out — a net gain of 16 holders — while 45 added to existing stakes and 15 trimmed.

The largest buyer was T. Rowe Price Associates, opening a new position worth an estimated $26.1M. The largest seller was OrbiMed, cutting an estimated $26.1M.

  • 103 institutional investors held Inspire Medical Systems (INSP) as of Q4 2018, up from 87 in Q3 2018.
  • Funds reported $628M of Inspire Medical Systems stock for Q4 2018, up 61% quarter-over-quarter.
  • 29 funds opened new Inspire Medical Systems positions in Q4 2018 and 13 closed out, a net change of +16 holders.
  • The largest Inspire Medical Systems buyer in Q4 2018 was T. Rowe Price Associates, an estimated $26.1M added.
  • The largest Inspire Medical Systems seller in Q4 2018 was OrbiMed, an estimated $26.1M sold.

Based on aggregated 13F filings for Q4 2018.