ALLURION TECHNOLOGIES INC
COMMON STOCK · CUSIP 02008G201
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q4 2024 | 1 |
| Q1 2025 | 25 |
| Q2 2025 | 22 |
| Q3 2025 | 20 |
| Q4 2025 | 27 |
| Q1 2026 | 1 |
| Q2 2026 | 0 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2025 | 24 | 1 |
| Q2 2025 | 10 | 10 |
| Q3 2025 | 5 | 7 |
| Q4 2025 | 12 | 6 |
| Q1 2026 | 0 | 24 |
| Q2 2026 | 0 | 1 |
Biggest buyers
| None |
Biggest sellers
| HARBOUR INVESTMENTS, INC. | Sold out | -2 |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| RTW INVESTMENTS, LP 13D · may seek influence -8.7 pts · filed 2026-03-02 | 39.4% |
Fell to 5% or below in the last year: ARMISTICE CAPITAL, LLC (5.0%, 2025-11-14)
Holders, Q2 2026
| Manager | Shares | Change |
|---|