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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
Lazard Asset Management
101
Lazard Asset Management
New York
$11.1M -$1.07M -3,731 -10%
NCGI
102
Next Century Growth Investors
Minnesota
$10.7M +$568K +1,987 +6%
NHAS
103
Novo Holdings A/S
Denmark
$10.6M -$7.86M -27,500 -46%
Two Sigma Investments
104
Two Sigma Investments
New York
$10.5M +$7.39M +25,850 +398%
CM
105
Castleark Management
Illinois
$10.5M -$2.07M -7,260 -18%
State Board of Administration of Florida Retirement System
106
State Board of Administration of Florida Retirement System
Florida
$10.4M +$6.81M +23,840 +293%
BA
107
Bridgewater Associates
Connecticut
$10.2M -$1.03M -3,594 -10%
Canada Pension Plan Investment Board
108
Canada Pension Plan Investment Board
Ontario, Canada
$10.1M -$1.69M -5,900 -16%
AI
109
Axiom Investors
Connecticut
$10M -$1.22M -4,287 -12%
ORI
110
Oak Ridge Investments
Illinois
$9.71M -$702K -2,458 -8%
Jane Street
111
Jane Street
New York
$9.65M -$20.1M -70,237 -70%
Allianz Asset Management
112
Allianz Asset Management
Germany
$9.63M +$3.04M +10,634 +56%
SFI
113
Susquehanna Fundamental Investments
Pennsylvania
$9.53M -$114K -400 -1%
Jacobs Levy Equity Management
114
Jacobs Levy Equity Management
New Jersey
$9.46M -$418K -1,464 -5%
LCG
115
Lisanti Capital Growth
New York
$9.4M +$4.88M +17,090 +144%
Ohio Public Employees Retirement System (OPERS)
116
Ohio Public Employees Retirement System (OPERS)
Ohio
$9.4M +$3.13M +10,968 +61%
Mitsubishi UFJ Trust & Banking
117
Mitsubishi UFJ Trust & Banking
Japan
$9.01M +$7.93M +27,740 New
MGIM
118
M&G Investment Management
United Kingdom
$8.84M +$241K +843 +3%
Two Sigma Advisers
119
Two Sigma Advisers
New York
$8.44M +$6.74M +23,600 +983%
SO
120
STRS Ohio
Ohio
$8.32M -$2.16M -7,562 -23%
GIP
121
Granite Investment Partners
California
$8.25M -$28.4M -99,530 -80%
PAMP
122
Polar Asset Management Partners
Ontario, Canada
$7.95M -$36.9M -129,020 -84%
SAM
123
Sectoral Asset Management
Quebec, Canada
$7.79M -$1,000K -3,500 -13%
TCM
124
Tekla Capital Management
Massachusetts
$7.15M +$6.29M +22,018 New
CC
125
Centiva Capital
New York
$6.97M +$6.14M +21,480 New
3 4
5
6 7

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.