| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 48% | +10% | $12,072,129 | +$3,803,720 | 5,891,430 | +46% | RTW Investments, LP | 11 Nov 2025 |
| ARMISTICE CAPITAL, LLC | 5% | -31% | $279,673 | -$99,410 | 136,486 | -26% | Armistice Capital, LLC | 30 Sep 2025 |
As of 30 Sep 2025, 19 institutional investors reported holding 2,806,601 shares of ALLURION TECHNOLOGIES, INC. - COMMON STOCK, $0.001 PAR VALUE (ALUR). This represents 103% of the company’s total 2,735,190 outstanding shares.
The largest institutional shareholders of ALLURION TECHNOLOGIES, INC. - COMMON STOCK, $0.001 PAR VALUE (ALUR) together control 103% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| RTW INVESTMENTS, LP | 93% | 2,542,603 | 0% | 0.06% | $5,212,336 |
| UBS Group AG | 2.2% | 59,136 | -5.9% | 0% | $121,229 |
| VANGUARD GROUP INC | 2.1% | 56,182 | +14% | 0% | $115,173 |
| Unisphere Establishment | 1.8% | 49,695 | 0% | 0% | $101,875 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4% | 39,602 | +0.21% | 0% | $81,191 |
| BlackRock, Inc. | 0.69% | 18,855 | 0% | 0% | $38,653 |
| STATE STREET CORP | 0.54% | 14,835 | 0% | 0% | $30,412 |
| XTX Topco Ltd | 0.45% | 12,226 | -35% | 0% | $25,063 |
| Centerpoint Advisors, LLC | 0.23% | 6,347 | 0% | 0% | $13,000 |
| LRI Investments, LLC | 0.18% | 5,000 | -39% | 0% | $10,250 |
| Tower Research Capital LLC (TRC) | 0.04% | 1,058 | -53% | 0% | $2,169 |
| OSAIC HOLDINGS, INC. | 0.03% | 790 | 0% | 0% | $1,714 |
| GROUP ONE TRADING LLC | 0.01% | 199 | 0% | 0% | $408 |
| BANK OF AMERICA CORP /DE/ | 0% | 40 | -2.4% | 0% | $82 |
| SBI Securities Co., Ltd. | 0% | 13 | +30% | 0% | $27 |
| Allworth Financial LP | 0% | 11 | 0% | 0% | $23 |
| JPMORGAN CHASE & CO | 0% | 4 | 0% | 0% | $8 |
| SIGNATUREFD, LLC | 0% | 3 | 0% | 0% | $6 |
| HARBOUR INVESTMENTS, INC. | 0% | 2 | 0% | 0% | $4 |
| RAYMOND JAMES FINANCIAL INC | 0% | 0 | -100% | $0 | |
| CITIGROUP INC | 0% | 0 | -100% | $0 | |
| Limestone Investment Advisors LP | 0.4% | 10,950 | 0% | $296 |