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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
Citadel Advisors
26
Citadel Advisors
Florida
$104M +$4.13M +14,460 +5%
T. Rowe Price Associates
27
T. Rowe Price Associates
Maryland
$103M +$6.84M +23,925 +8%
SPPAM
28
Summit Partners Public Asset Management
Massachusetts
$91.6M -$3.78M -13,220 -4%
CS
29
Credit Suisse
Switzerland
$91.2M -$1.59M -5,571 -2%
VOYA Investment Management
30
VOYA Investment Management
Georgia
$90.3M +$46.8M +163,818 +143%
Marshall Wace
31
Marshall Wace
United Kingdom
$89.9M +$34M +119,058 +75%
PCH
32
Polar Capital Holdings
United Kingdom
$86.1M -$991K -3,468 -1%
Millennium Management
33
Millennium Management
New York
$85.8M +$32.1M +112,357 +74%
Renaissance Technologies
34
Renaissance Technologies
New York
$83.5M +$13.2M +46,100 +22%
Loomis, Sayles & Company
35
Loomis, Sayles & Company
Massachusetts
$81.7M -$9.95M -34,824 -12%
Charles Schwab
36
Charles Schwab
California
$80.6M -$17M -59,653 -19%
Bank of New York Mellon
37
Bank of New York Mellon
New York
$79.8M -$8.09M -28,329 -10%
BAMCO Inc
38
BAMCO Inc
New York
$79.5M -$6.91M -24,200 -9%
Norges Bank
39
Norges Bank
Norway
$77.1M -$2.85M -9,982 -4%
Point72 Asset Management
40
Point72 Asset Management
Connecticut
$74.5M +$16.9M +59,022 +35%
Goldman Sachs
41
Goldman Sachs
New York
$62.6M +$16.6M +58,202 +43%
Morgan Stanley
42
Morgan Stanley
New York
$61.8M +$2.57M +8,991 +5%
Susquehanna International Group
43
Susquehanna International Group
Pennsylvania
$60.9M +$45.3M +158,390 +544%
Amundi
44
Amundi
France
$55.6M +$15.1M +52,787 +44%
Thrivent Financial for Lutherans
45
Thrivent Financial for Lutherans
Minnesota
$53.4M +$757K +2,651 +2%
KeyBank National Association
46
KeyBank National Association
Ohio
$52.4M -$214K -750 -0.5%
JP Morgan Chase
47
JP Morgan Chase
New York
$50.7M -$10.9M -38,188 -20%
Adage Capital Partners
48
Adage Capital Partners
Massachusetts
$50.1M +$12.3M +43,082 +39%
Northern Trust
49
Northern Trust
Illinois
$47.3M -$50.7M -177,326 -55%
ACM
50
Atika Capital Management
New York
$45.5M -$343K -1,200 -0.8%
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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.