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Inspire Medical Systems
INSP

328 hedge funds and large institutions have $6.84B invested in Inspire Medical Systems in 2024 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 124 increasing their positions, 109 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

14% more repeat investments, than reductions

Existing positions increased: 124 | Existing positions reduced: 109

8% more capital invested

Capital invested by funds: $6.35B → $6.84B (+$490M)

1.82% more ownership

Funds ownership: 105.68% → 107.5% (+1.8%)

4% less funds holding

Funds holding: 343 → 328 (-15)

18% less funds holding in top 10

Funds holding in top 10: 11 → 9 (-2)

20% less call options, than puts

Call options by funds: $130M | Put options by funds: $162M

20% less first-time investments, than exits

New positions opened: 43 | Existing positions closed: 54

Holders
328
Holders Change
-15
Holders Change %
-4.37%
% of All Funds
4.72%
Holding in Top 10
9
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-18.18%
% of All Funds
0.13%
New
43
Increased
124
Reduced
109
Closed
54
Calls
$130M
Puts
$162M
Net Calls
-$31.6M
Net Calls Change
-$4.74M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$231M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$102M
3
American Century Companies
American Century Companies
Missouri
+$65.7M
4
Artisan Partners
Artisan Partners
Wisconsin
+$59M
5
Baillie Gifford & Co
Baillie Gifford & Co
United Kingdom
+$46.6M

Top Sellers

1
SPC
Slate Path Capital
New York
-$59.8M
2
Marshall Wace
Marshall Wace
United Kingdom
-$50.4M
3
FCM
Farallon Capital Management
California
-$44.7M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
-$41.3M
5
Morgan Stanley
Morgan Stanley
New York
-$41.3M
Name Holding Trade Value Shares
Change 		Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$953M +$231M +1,180,221 +36%
Vanguard Group
2
Vanguard Group
Pennsylvania
$621M -$7.66M -39,065 -1%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$419M +$102M +522,392 +37%
BlackRock
4
BlackRock
New York
$406M +$17.8M +90,812 +5%
Baillie Gifford & Co
5
Baillie Gifford & Co
United Kingdom
$315M +$46.6M +237,734 +19%
WA
6
Wasatch Advisors
Utah
$237M +$1.08M +5,522 +0.5%
William Blair Investment Management
7
William Blair Investment Management
Illinois
$163M -$9.83M -50,136 -6%
FCM
8
Frontier Capital Management
Massachusetts
$147M -$11.2M -57,306 -8%
CIP
9
Champlain Investment Partners
Vermont
$138M -$1.35M -6,910 -1%
FCM
10
Farallon Capital Management
California
$135M -$44.7M -228,242 -27%
JP Morgan Chase
11
JP Morgan Chase
New York
$133M -$2.69M -13,731 -2%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$128M +$38.6M +197,097 +49%
Macquarie Group
13
Macquarie Group
Australia
$120M +$3.9M +19,910 +4%
Westfield Capital Management
14
Westfield Capital Management
Massachusetts
$116M -$1.44M -7,325 -1%
State Street
15
State Street
Massachusetts
$114M -$195K -993 -0.2%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$99.3M +$3.43M +17,506 +4%
T. Rowe Price Associates
17
T. Rowe Price Associates
Maryland
$98.8M +$30.8M +156,893 +52%
Federated Hermes
18
Federated Hermes
Pennsylvania
$97.3M -$13.3K -68 -0%
Ameriprise
19
Ameriprise
Minnesota
$92.7M -$11.7M -59,827 -12%
EP
20
Eversept Partners
New York
$90.4M +$13.6M +69,583 +20%
American Century Companies
21
American Century Companies
Missouri
$72.7M +$65.7M +335,074 +10,148%
Franklin Resources
22
Franklin Resources
California
$66.6M -$40M -204,083 -40%
Artisan Partners
23
Artisan Partners
Wisconsin
$64.7M +$59M +301,174 New
CS
24
Credit Suisse
Switzerland
$63.8M -$11.6M -58,975 -17%
Norges Bank
25
Norges Bank
Norway
$59M +$6.49M +33,096 +14%
1
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INSP Hedge Fund Activity: Q1 2024 in Review

328 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q1 2024, worth a combined $6.84B — up 7.7% from $6.35B a quarter earlier.

Sellers outnumbered buyers: 54 funds closed out of INSP and 43 opened new positions — a net loss of 11 holders — while 109 trimmed existing stakes and 124 added.

The largest buyer was Fidelity Investments, adding an estimated $231M. The largest seller was Slate Path Capital, exiting entirely with an estimated $59.8M sold.

  • 328 institutional investors held Inspire Medical Systems (INSP) as of Q1 2024, down from 343 in Q4 2023.
  • Funds reported $6.84B of Inspire Medical Systems stock for Q1 2024, up 7.7% quarter-over-quarter.
  • 43 funds opened new Inspire Medical Systems positions in Q1 2024 and 54 closed out, a net change of -11 holders.
  • The largest Inspire Medical Systems buyer in Q1 2024 was Fidelity Investments, an estimated $231M added.
  • The largest Inspire Medical Systems seller in Q1 2024 was Slate Path Capital, an estimated $59.8M sold.

Based on aggregated 13F filings for Q1 2024.