Allurion Technologies
ALUR
ALUR was delisted on the 6th of March, 2026.
21 hedge funds and large institutions have $6.84M invested in Allurion Technologies in 2025 Q2 according to their latest regulatory filings, with 4 funds opening new positions, 6 increasing their positions, 4 reducing their positions, and 6 closing their positions.
54% more capital invested
Capital invested by funds: $4.44M → $6.84M (+$2.4M)
50% more repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 4
14.36% more ownership
Funds ownership: 23.39% → 37.76% (+14%)
13% less funds holding
Funds holding: 24 → 21 (-3)
33% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 6
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
+$3.87M |
| 2 |
State Street
Boston,
Massachusetts
|
+$38.4K |
| 3 |
LI
LRI Investments
Palm Beach Gardens,
Florida
|
+$21.2K |
| 4 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$14.6K |
| 5 |
CA
Centerpoint Advisors
Needham,
Massachusetts
|
+$7.84K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HF
HRT Financial
New York
|
-$137K |
| 2 |
SM
Sabby Management
Miami Beach,
Florida
|
-$89.5K |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$51K |
| 4 |
BlackRock
New York
|
-$4.06K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
-$3.56K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
26
Barclays
London,
United Kingdom
| – | -$29 | -9 | Closed |
|
27
Fidelity Investments
Boston,
Massachusetts
| – | -$26 | -8 | Closed |
|
ALUR Hedge Fund Activity: Q2 2025 in Review
21 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Allurion Technologies (ALUR) for Q2 2025, worth a combined $6.84M — up 54% from $4.44M a quarter earlier.
Sellers outnumbered buyers: 6 funds closed out of ALUR and 4 opened new positions — a net loss of 2 holders — while 4 trimmed existing stakes and 6 added.
The largest buyer was RTW Investments, adding an estimated $3.87M. The largest seller was HRT Financial, exiting entirely with an estimated $137K sold.
- 21 institutional investors held Allurion Technologies (ALUR) as of Q2 2025, down from 24 in Q1 2025.
- Funds reported $6.84M of Allurion Technologies stock for Q2 2025, up 54% quarter-over-quarter.
- 4 funds opened new Allurion Technologies positions in Q2 2025 and 6 closed out, a net change of -2 holders.
- The largest Allurion Technologies buyer in Q2 2025 was RTW Investments, an estimated $3.87M added.
- The largest Allurion Technologies seller in Q2 2025 was HRT Financial, an estimated $137K sold.
Based on aggregated 13F filings for Q2 2025.