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Inspire Medical Systems
INSP

407 hedge funds and large institutions have $9.11B invested in Inspire Medical Systems in 2023 Q2 according to their latest regulatory filings, with 87 funds opening new positions, 124 increasing their positions, 140 reducing their positions, and 51 closing their positions.

New
Increased
Maintained
Reduced
Closed

71% more first-time investments, than exits

New positions opened: 87 | Existing positions closed: 51

57% more funds holding in top 10

Funds holding in top 10: 7 → 11 (+4)

36% more capital invested

Capital invested by funds: $6.68B → $9.11B (+$2.43B)

9% more funds holding

Funds holding: 373 → 407 (+34)

5% more call options, than puts

Call options by funds: $76.8M | Put options by funds: $73.3M

2.59% less ownership

Funds ownership: 98.88% → 96.29% (-2.6%)

11% less repeat investments, than reductions

Existing positions increased: 124 | Existing positions reduced: 140

Holders
407
Holders Change
+34
Holders Change %
+9.12%
% of All Funds
6.39%
Holding in Top 10
11
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+57.14%
% of All Funds
0.17%
New
87
Increased
124
Reduced
140
Closed
51
Calls
$76.8M
Puts
$73.3M
Net Calls
+$3.46M
Net Calls Change
-$587K

Top Buyers

1
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$57.7M
2
VOYA Investment Management
VOYA Investment Management
Georgia
+$46.8M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$45.3M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
+$42.4M
5
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$40.3M

Top Sellers

1
BlackRock
BlackRock
New York
-$133M
2
Viking Global Investors
Viking Global Investors
Connecticut
-$81.1M
3
Envestnet Asset Management
Envestnet Asset Management
Illinois
-$60M
4
Northern Trust
Northern Trust
Illinois
-$50.7M
5
PAMP
Polar Asset Management Partners
Ontario, Canada
-$36.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
76
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$19.5M +$17.1M +60,000 New
TIM
77
Thornburg Investment Management
New Mexico
$18M +$6.24M +21,834 +65%
PVI
78
Pura Vida Investments
New York
$17.9M -$11.3M -39,722 -42%
CSS
79
Cubist Systematic Strategies
Connecticut
$17.8M -$20.9M -73,113 -57%
MPI
80
Mairs & Power Inc
Minnesota
$17.1M -$15.6M -54,698 -51%
California Public Employees Retirement System
81
California Public Employees Retirement System
California
$17.1M +$2.02M +7,053 +15%
Ensign Peak Advisors
82
Ensign Peak Advisors
Utah
$16.8M +$2.77M +9,703 +23%
PWAM
83
Park West Asset Management
California
$16.2M -$10.4M -36,500 -42%
Royal Bank of Canada
84
Royal Bank of Canada
Ontario, Canada
$16.1M +$9.53M +33,369 +206%
New York State Common Retirement Fund
85
New York State Common Retirement Fund
New York
$15.8M +$3.99M +13,980 +40%
Neuberger Berman Group
86
Neuberger Berman Group
New York
$15.3M +$7.66M +26,793 +132%
ACM
87
Aquatic Capital Management
Illinois
$15M +$12.2M +42,800 +1,223%
E
88
Ergoteles
New York
$14.2M +$12.1M +42,438 +3,227%
Barclays
89
Barclays
United Kingdom
$13M +$2.88M +10,088 +34%
Legal & General Group
90
Legal & General Group
United Kingdom
$12.9M +$1.48M +5,164 +15%
RhumbLine Advisers
91
RhumbLine Advisers
Massachusetts
$12.7M -$226K -791 -2%
Russell Investments Group
92
Russell Investments Group
United Kingdom
$12.6M +$1.05M +3,662 +10%
SBH
93
Segall Bryant & Hamill
Illinois
$12.6M +$51.1K +179 +0.5%
State of Wisconsin Investment Board
94
State of Wisconsin Investment Board
Wisconsin
$12.4M -$496K -1,737 -4%
Arrowstreet Capital
95
Arrowstreet Capital
Massachusetts
$12.4M +$7.51M +26,298 +221%
WCM Investment Management
96
WCM Investment Management
California
$12.3M +$11M +38,540 New
ECM
97
ExodusPoint Capital Management
New York
$12.2M +$10.8M +37,641 New
Dimensional Fund Advisors
98
Dimensional Fund Advisors
Texas
$11.5M +$1.6M +5,600 +19%
California State Teachers Retirement System (CalSTRS)
99
California State Teachers Retirement System (CalSTRS)
California
$11.5M -$212K -741 -2%
UBS Group
100
UBS Group
Switzerland
$11.1M -$4.03M -14,102 -29%
2 3
4
5 6

INSP Hedge Fund Activity: Q2 2023 in Review

407 of the 6,369 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q2 2023, worth a combined $9.11B — up 36% from $6.68B a quarter earlier.

Buyers outnumbered sellers: 87 funds opened new INSP positions and 51 closed out — a net gain of 36 holders — while 124 added to existing stakes and 140 trimmed.

The largest buyer was D.E. Shaw & Co, adding an estimated $57.7M. The largest seller was BlackRock, cutting an estimated $133M.

  • 407 institutional investors held Inspire Medical Systems (INSP) as of Q2 2023, up from 373 in Q1 2023.
  • Funds reported $9.11B of Inspire Medical Systems stock for Q2 2023, up 36% quarter-over-quarter.
  • 87 funds opened new Inspire Medical Systems positions in Q2 2023 and 51 closed out, a net change of +36 holders.
  • The largest Inspire Medical Systems buyer in Q2 2023 was D.E. Shaw & Co, an estimated $57.7M added.
  • The largest Inspire Medical Systems seller in Q2 2023 was BlackRock, an estimated $133M sold.

Based on aggregated 13F filings for Q2 2023.