Allurion Technologies
ALUR
ALUR was delisted on the 6th of March, 2026.
27 hedge funds and large institutions have $8.2M invested in Allurion Technologies in 2025 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 6 increasing their positions, 3 reducing their positions, and 2 closing their positions.
350% more first-time investments, than exits
New positions opened: 9 | Existing positions closed: 2
100% more repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 3
42% more capital invested
Capital invested by funds: $5.75M → $8.2M (+$2.44M)
37.37% more ownership
Funds ownership: 36.3% → 73.67% (+37%)
35% more funds holding
Funds holding: 20 → 27 (+7)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
+$5.62M |
| 2 |
LCM
Lunt Capital Management
Holladay,
Utah
|
+$280K |
| 3 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
+$272K |
| 4 |
AC
Armistice Capital
New York
|
+$101K |
| 5 |
HCM
Heights Capital Management
San Francisco,
California
|
+$101K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
-$49.1K |
| 2 |
TRCT
Tower Research Capital (TRC)
New York
|
-$2.17K |
| 3 |
Osaic Holdings
Scottsdale,
Arizona
|
-$480 |
| 4 |
AF
Allworth Financial
Folsom,
California
|
-$23 |
| 5 |
SS
SBI Securities
Tokyo,
Japan
|
-$5 |
ALUR Hedge Fund Activity: Q4 2025 in Review
27 of the 8,227 institutional investors tracked by Wall St. Rank reported a position in Allurion Technologies (ALUR) for Q4 2025, worth a combined $8.2M — up 42% from $5.75M a quarter earlier.
Buyers outnumbered sellers: 9 funds opened new ALUR positions and 2 closed out — a net gain of 7 holders — while 6 added to existing stakes and 3 trimmed.
The largest buyer was RTW Investments, adding an estimated $5.62M. The largest seller was UBS Group, cutting an estimated $49.1K.
- 27 institutional investors held Allurion Technologies (ALUR) as of Q4 2025, up from 20 in Q3 2025.
- Funds reported $8.2M of Allurion Technologies stock for Q4 2025, up 42% quarter-over-quarter.
- 9 funds opened new Allurion Technologies positions in Q4 2025 and 2 closed out, a net change of +7 holders.
- The largest Allurion Technologies buyer in Q4 2025 was RTW Investments, an estimated $5.62M added.
- The largest Allurion Technologies seller in Q4 2025 was UBS Group, an estimated $49.1K sold.
Based on aggregated 13F filings for Q4 2025.