Inspire Medical Systems
INSP
356 hedge funds and large institutions have $4.39B invested in Inspire Medical Systems in 2025 Q2 according to their latest regulatory filings, with 48 funds opening new positions, 131 increasing their positions, 140 reducing their positions, and 52 closing their positions.
0.6% less ownership
Funds ownership: 115.19% → 114.59% (-0.6%)
6% less repeat investments, than reductions
Existing positions increased: 131 | Existing positions reduced: 140
8% less first-time investments, than exits
New positions opened: 48 | Existing positions closed: 52
8% less call options, than puts
Call options by funds: $15.4M | Put options by funds: $16.7M
2% less funds holding
Funds holding: 363 → 356 (-7)
20% less capital invested
Capital invested by funds: $5.49B → $4.39B (-$1.1B)
67% less funds holding in top 10
Funds holding in top 10: 6 → 2 (-4)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DIG
Dragoneer Investment Group
San Francisco,
California
|
+$153M |
| 2 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$37.7M |
| 3 |
Man Group
London,
United Kingdom
|
+$36.3M |
| 4 |
B
Braidwell
Stamford,
Connecticut
|
+$31.9M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$21.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
-$76.2M |
| 2 |
UBS AM
Chicago,
Illinois
|
-$73.2M |
| 3 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$38.7M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
-$37.1M |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
-$33.1M |
INSP Hedge Fund Activity: Q2 2025 in Review
356 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q2 2025, worth a combined $4.39B — down 20% from $5.49B a quarter earlier.
Sellers outnumbered buyers: 52 funds closed out of INSP and 48 opened new positions — a net loss of 4 holders — while 140 trimmed existing stakes and 131 added.
The largest buyer was Dragoneer Investment Group, adding an estimated $153M. The largest seller was Invesco, cutting an estimated $76.2M.
- 356 institutional investors held Inspire Medical Systems (INSP) as of Q2 2025, down from 363 in Q1 2025.
- Funds reported $4.39B of Inspire Medical Systems stock for Q2 2025, down 20% quarter-over-quarter.
- 48 funds opened new Inspire Medical Systems positions in Q2 2025 and 52 closed out, a net change of -4 holders.
- The largest Inspire Medical Systems buyer in Q2 2025 was Dragoneer Investment Group, an estimated $153M added.
- The largest Inspire Medical Systems seller in Q2 2025 was Invesco, an estimated $76.2M sold.
Based on aggregated 13F filings for Q2 2025.