Inspire Medical Systems
INSP
252 hedge funds and large institutions have $5.91B invested in Inspire Medical Systems in 2021 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 86 increasing their positions, 98 reducing their positions, and 28 closing their positions.
22% more capital invested
Capital invested by funds: $4.83B → $5.91B (+$1.08B)
21% more first-time investments, than exits
New positions opened: 34 | Existing positions closed: 28
2% more funds holding
Funds holding: 247 → 252 (+5)
1.25% more ownership
Funds ownership: 91.85% → 93.1% (+1.2%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
12% less repeat investments, than reductions
Existing positions increased: 86 | Existing positions reduced: 98
33% less call options, than puts
Call options by funds: $17.4M | Put options by funds: $25.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
+$159M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
+$92.8M |
| 3 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
+$31.5M |
| 4 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
+$31M |
| 5 |
William Blair Investment Management
Chicago,
Illinois
|
+$28.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$41.4M |
| 2 |
Principal Financial Group
Des Moines,
Iowa
|
-$30.8M |
| 3 |
Balyasny Asset Management
Chicago,
Illinois
|
-$30.8M |
| 4 |
Millennium Management
New York
|
-$29.3M |
| 5 |
MWNA
Marshall Wace North America
New York
|
-$28M |
INSP Hedge Fund Activity: Q3 2021 in Review
252 of the 5,712 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q3 2021, worth a combined $5.91B — up 22% from $4.83B a quarter earlier.
Buyers outnumbered sellers: 34 funds opened new INSP positions and 28 closed out — a net gain of 6 holders — while 86 added to existing stakes and 98 trimmed.
The largest buyer was Macquarie Group, adding an estimated $159M. The largest seller was Citadel Advisors, cutting an estimated $41.4M.
- 252 institutional investors held Inspire Medical Systems (INSP) as of Q3 2021, up from 247 in Q2 2021.
- Funds reported $5.91B of Inspire Medical Systems stock for Q3 2021, up 22% quarter-over-quarter.
- 34 funds opened new Inspire Medical Systems positions in Q3 2021 and 28 closed out, a net change of +6 holders.
- The largest Inspire Medical Systems buyer in Q3 2021 was Macquarie Group, an estimated $159M added.
- The largest Inspire Medical Systems seller in Q3 2021 was Citadel Advisors, an estimated $41.4M sold.
Based on aggregated 13F filings for Q3 2021.