Inspire Medical Systems
INSP
343 hedge funds and large institutions have $6.35B invested in Inspire Medical Systems in 2023 Q4 according to their latest regulatory filings, with 64 funds opening new positions, 120 increasing their positions, 121 reducing their positions, and 80 closing their positions.
57% more funds holding in top 10
Funds holding in top 10: 7 → 11 (+4)
12% more capital invested
Capital invested by funds: $5.65B → $6.35B (+$692M)
9.01% more ownership
Funds ownership: 96.66% → 105.68% (+9%)
1% less repeat investments, than reductions
Existing positions increased: 120 | Existing positions reduced: 121
6% less funds holding
Funds holding: 364 → 343 (-21)
20% less first-time investments, than exits
New positions opened: 64 | Existing positions closed: 80
25% less call options, than puts
Call options by funds: $78.6M | Put options by funds: $105M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Baillie Gifford & Co
Edinburgh,
United Kingdom
|
+$196M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$127M |
| 3 |
JP Morgan Chase
New York
|
+$86.2M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
+$73.4M |
| 5 |
FCM
Farallon Capital Management
San Francisco,
California
|
+$69.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$112M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
-$66.5M |
| 3 |
Millennium Management
New York
|
-$49.7M |
| 4 |
Franklin Resources
San Mateo,
California
|
-$44.6M |
| 5 |
Loomis, Sayles & Company
Boston,
Massachusetts
|
-$39.7M |
INSP Hedge Fund Activity: Q4 2023 in Review
343 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q4 2023, worth a combined $6.35B — up 12% from $5.65B a quarter earlier.
Sellers outnumbered buyers: 80 funds closed out of INSP and 64 opened new positions — a net loss of 16 holders — while 121 trimmed existing stakes and 120 added.
The largest buyer was Baillie Gifford & Co, adding an estimated $196M. The largest seller was 1832 Asset Management, exiting entirely with an estimated $112M sold.
- 343 institutional investors held Inspire Medical Systems (INSP) as of Q4 2023, down from 364 in Q3 2023.
- Funds reported $6.35B of Inspire Medical Systems stock for Q4 2023, up 12% quarter-over-quarter.
- 64 funds opened new Inspire Medical Systems positions in Q4 2023 and 80 closed out, a net change of -16 holders.
- The largest Inspire Medical Systems buyer in Q4 2023 was Baillie Gifford & Co, an estimated $196M added.
- The largest Inspire Medical Systems seller in Q4 2023 was 1832 Asset Management, an estimated $112M sold.
Based on aggregated 13F filings for Q4 2023.