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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
Vanguard Group
1
Vanguard Group
Pennsylvania
$978M -$25.1M -87,890 -3%
BlackRock
2
BlackRock
New York
$590M -$133M -464,517 -20%
Invesco
3
Invesco
Georgia
$351M +$14.7M +51,542 +5%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$349M +$4.89M +17,128 +2%
Franklin Resources
5
Franklin Resources
California
$339M +$777K +2,720 +0.3%
William Blair Investment Management
6
William Blair Investment Management
Illinois
$271M -$151K -528 -0.1%
Macquarie Group
7
Macquarie Group
Australia
$185M -$7.93M -27,740 -5%
CIP
8
Champlain Investment Partners
Vermont
$184M -$25.8M -90,210 -14%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$184M -$5.71M -19,983 -3%
Westfield Capital Management
10
Westfield Capital Management
Massachusetts
$183M +$40.3M +141,019 +33%
State Street
11
State Street
Massachusetts
$167M -$33.2M -116,149 -18%
WA
12
Wasatch Advisors
Utah
$161M -$24.9M -87,319 -15%
GGHC
13
Gilder Gagnon Howe & Co
New York
$161M -$4.46M -15,620 -3%
FAM
14
Fred Alger Management
New York
$152M -$23.1M -80,776 -15%
Lord, Abbett & Co
15
Lord, Abbett & Co
New Jersey
$146M +$1.08M +3,771 +0.8%
D.E. Shaw & Co
16
D.E. Shaw & Co
New York
$136M +$57.7M +201,915 +93%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$134M -$35.2M -123,187 -23%
FCM
18
Frontier Capital Management
Massachusetts
$132M +$5.8M +20,312 +5%
Federated Hermes
19
Federated Hermes
Pennsylvania
$122M +$9.62M +33,654 +10%
BG
20
Bellevue Group
Switzerland
$116M -$5.73M -20,048 -5%
Allspring Global Investments
21
Allspring Global Investments
North Carolina
$116M -$17.6M -61,455 -15%
DCM
22
Driehaus Capital Management
Illinois
$115M +$4.08M +14,296 +4%
Ameriprise
23
Ameriprise
Minnesota
$109M +$1.95M +6,823 +2%
1832 Asset Management
24
1832 Asset Management
Ontario, Canada
$108M +$42.4M +148,400 +80%
FCM
25
Farallon Capital Management
California
$105M +$23M +80,500 +33%
1
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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.