Inogen
INGN
131 hedge funds and large institutions have $151M invested in Inogen in 2025 Q3 according to their latest regulatory filings, with 20 funds opening new positions, 47 increasing their positions, 48 reducing their positions, and 15 closing their positions.
19,300% more call options, than puts
Call options by funds: $194K | Put options by funds: $1K
33% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 15
9% more capital invested
Capital invested by funds: $138M → $151M (+$12.3M)
3% more funds holding
Funds holding: 127 → 131 (+4)
2% less repeat investments, than reductions
Existing positions increased: 47 | Existing positions reduced: 48
4.99% less ownership
Funds ownership: 73.25% → 68.26% (-5%)
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CA
CSM Advisors
Warrendale,
Pennsylvania
|
+$2.72M |
| 2 |
AC
Armistice Capital
New York
|
+$1.5M |
| 3 |
Nuveen
Charlotte,
North Carolina
|
+$1.33M |
| 4 |
Goldman Sachs
New York
|
+$1.31M |
| 5 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$1.28M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KLP
Kent Lake PR
Anasco,
Puerto Rico
|
-$4.2M |
| 2 |
DSCM
Divisadero Street Capital Management
Miami,
Florida
|
-$2.75M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$1.67M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
-$1.54M |
| 5 |
Renaissance Technologies
New York
|
-$1.01M |
INGN Hedge Fund Activity: Q3 2025 in Review
131 of the 7,641 institutional investors tracked by Wall St. Rank reported a position in Inogen (INGN) for Q3 2025, worth a combined $151M — up 8.9% from $138M a quarter earlier.
Buyers outnumbered sellers: 20 funds opened new INGN positions and 15 closed out — a net gain of 5 holders — while 47 added to existing stakes and 48 trimmed.
The largest buyer was CSM Advisors, opening a new position worth an estimated $2.72M. The largest seller was Kent Lake PR, cutting an estimated $4.2M.
- 131 institutional investors held Inogen (INGN) as of Q3 2025, up from 127 in Q2 2025.
- Funds reported $151M of Inogen stock for Q3 2025, up 8.9% quarter-over-quarter.
- 20 funds opened new Inogen positions in Q3 2025 and 15 closed out, a net change of +5 holders.
- The largest Inogen buyer in Q3 2025 was CSM Advisors, an estimated $2.72M added.
- The largest Inogen seller in Q3 2025 was Kent Lake PR, an estimated $4.2M sold.
Based on aggregated 13F filings for Q3 2025.