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Inspire Medical Systems
INSP

364 hedge funds and large institutions have $5.65B invested in Inspire Medical Systems in 2023 Q3 according to their latest regulatory filings, with 49 funds opening new positions, 145 increasing their positions, 120 reducing their positions, and 88 closing their positions.

New
Increased
Maintained
Reduced
Closed

21% more repeat investments, than reductions

Existing positions increased: 145 | Existing positions reduced: 120

0.38% more ownership

Funds ownership: 96.29% → 96.66% (+0.38%)

11% less funds holding

Funds holding: 407 → 364 (-43)

36% less funds holding in top 10

Funds holding in top 10: 11 → 7 (-4)

38% less capital invested

Capital invested by funds: $9.11B → $5.65B (-$3.46B)

44% less first-time investments, than exits

New positions opened: 49 | Existing positions closed: 88

51% less call options, than puts

Call options by funds: $68.4M | Put options by funds: $141M

Holders
364
Holders Change
-43
Holders Change %
-10.57%
% of All Funds
5.78%
Holding in Top 10
7
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-36.36%
% of All Funds
0.11%
New
49
Increased
145
Reduced
120
Closed
88
Calls
$68.4M
Puts
$141M
Net Calls
-$72.5M
Net Calls Change
-$76M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
+$352M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
+$165M
3
WA
Wasatch Advisors
Utah
+$121M
4
Wellington Management Group
Wellington Management Group
Massachusetts
+$104M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
+$57.9M

Top Sellers

1
Invesco
Invesco
Georgia
-$225M
2
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
-$87.9M
3
BG
Bellevue Group
Switzerland
-$72.3M
4
Citadel Advisors
Citadel Advisors
Florida
-$68.3M
5
Marshall Wace
Marshall Wace
United Kingdom
-$67.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$598M -$366K -1,453 -0%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$490M +$352M +1,397,510 +130%
BlackRock
3
BlackRock
New York
$376M +$19.6M +77,802 +4%
WA
4
Wasatch Advisors
Utah
$194M +$121M +481,320 +97%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$194M +$104M +411,480 +73%
Point72 Asset Management
6
Point72 Asset Management
Connecticut
$175M +$165M +653,742 +285%
Franklin Resources
7
Franklin Resources
California
$157M -$64.5M -255,761 -24%
Westfield Capital Management
8
Westfield Capital Management
Massachusetts
$145M +$42.6M +168,733 +30%
William Blair Investment Management
9
William Blair Investment Management
Illinois
$138M -$35.8M -142,017 -17%
Macquarie Group
10
Macquarie Group
Australia
$120M +$8.14M +32,279 +6%
1832 Asset Management
11
1832 Asset Management
Ontario, Canada
$112M +$57.9M +229,500 +69%
State Street
12
State Street
Massachusetts
$104M +$2.47M +9,812 +2%
Federated Hermes
13
Federated Hermes
Pennsylvania
$98.5M +$30.2M +119,846 +32%
CIP
14
Champlain Investment Partners
Vermont
$93.2M -$24.4M -96,570 -17%
GGHC
15
Gilder Gagnon Howe & Co
New York
$91.9M -$8.31M -32,959 -7%
FCM
16
Farallon Capital Management
California
$84.6M +$26M +103,000 +32%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$84.2M +$2.7M +10,725 +3%
FAM
18
Fred Alger Management
New York
$80.5M -$15.6M -61,916 -13%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$74.2M +$32.3M +128,078 +52%
SPPAM
20
Summit Partners Public Asset Management
Massachusetts
$73.1M +$21.8M +86,458 +31%
FCM
21
Frontier Capital Management
Massachusetts
$71.8M -$11.4M -45,195 -11%
CS
22
Credit Suisse
Switzerland
$69.1M +$17M +67,515 +24%
Ameriprise
23
Ameriprise
Minnesota
$66.2M -$201K -797 -0.2%
Millennium Management
24
Millennium Management
New York
$63.4M +$13.9M +55,263 +21%
Renaissance Technologies
25
Renaissance Technologies
New York
$62.6M +$14.7M +58,300 +23%
1
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INSP Hedge Fund Activity: Q3 2023 in Review

364 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q3 2023, worth a combined $5.65B — down 38% from $9.11B a quarter earlier.

Sellers outnumbered buyers: 88 funds closed out of INSP and 49 opened new positions — a net loss of 39 holders — while 120 trimmed existing stakes and 145 added.

The largest buyer was Fidelity Investments, adding an estimated $352M. The largest seller was Invesco, cutting an estimated $225M.

  • 364 institutional investors held Inspire Medical Systems (INSP) as of Q3 2023, down from 407 in Q2 2023.
  • Funds reported $5.65B of Inspire Medical Systems stock for Q3 2023, down 38% quarter-over-quarter.
  • 49 funds opened new Inspire Medical Systems positions in Q3 2023 and 88 closed out, a net change of -39 holders.
  • The largest Inspire Medical Systems buyer in Q3 2023 was Fidelity Investments, an estimated $352M added.
  • The largest Inspire Medical Systems seller in Q3 2023 was Invesco, an estimated $225M sold.

Based on aggregated 13F filings for Q3 2023.