Allurion Technologies Inc.
13F holders, Q4 2025 (December 31)27holders +7
6new positions
2sold out
$1.20avg. 13F price*
At the end of Q4 2025, 27 institutions reported holding Allurion Technologies Inc. in their 13F filings, up 7 from Q3 2025. 6 opened new positions and 2 sold out. The largest holders were RTW Investments, LP ($7.2M), Lunt Capital Management, Inc. ($205K) and Vanguard Group Inc. ($109K).
- Company
- Allurion Technologies Inc.
- CUSIP
- 02008G201
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $461K |
| Exits | 2 | $2K |
All 13F filers, Q3 2025 → Q4 2025: 3,916,798 shares bought and 30,629 shares sold, net +3,886,169 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 27 holders
| RTW Investments, LP | 0.07% | Add +131.7% | 5,891,430 | $7.2M |
| Lunt Capital Management, Inc. | 0.08% | New | 166,666 | $205K |
| Vanguard Group Inc. | 0.00% | Add +57.8% | 88,650 | $109K |
| Hudson Bay Capital Management LP | 0.00% | New | 59,880 | $87K |
| Empery Asset Management, LP | 0.07% | — | 59,881 | $74K |
| L1 Global Manager Pty Ltd | 0.05% | — | 59,880 | $74K |
| Heights Capital Management, Inc. | 0.03% | New | 59,880 | $74K |
| Armistice Capital, LLC | 0.00% | New | 59,880 | $74K |
| Unisphere Establishment | 0.00% | No change | 49,695 | $61K |
| Geode Capital Management, LLC | 0.00% | Add +1.8% | 40,311 | $50K |
| UBS Group AG | 0.00% | Reduce -49.5% | 29,865 | $37K |
| State Street Corp. | 0.00% | Add +76.2% | 26,135 | $32K |
| BlackRock, Inc. | 0.00% | No change | 18,855 | $23K |
| Northern Trust Corp. | 0.00% | New | 14,821 | $18K |
| XTX Topco Ltd | 0.00% | Add +2.9% | 12,577 | $15K |
| Centerpoint Advisors, LLC | 0.00% | No change | 6,347 | $8K |
| LRI Investments, LLC | 0.00% | No change | 5,000 | $6K |
| Toronto Dominion Bank | 0.00% | New | 162,000 | $3K |
| Osaic Holdings, Inc. | 0.00% | Reduce -36.2% | 504 | $619 |
| Group One Trading LLC | 0.00% | No change | 199 | $245 |
| Limestone Investment Advisors LP | 0.00% | No change | 10,950 | $168 |
| Bank of America Corp. | 0.00% | Add +40.0% | 56 | $69 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -23.1% | 10 | $12 |
| DV Equities, LLC | 0.00% | — | 6 | $7 |
| JPMorgan Chase & Co. | 0.00% | No change | 4 | $5 |
| Signaturefd, LLC | 0.00% | No change | 3 | $4 |
| Harbour Investments, Inc. | 0.00% | No change | 2 | $2 |
"% of holder's portfolio" is ALLURION TECHNOLOGIES INC's weight in each manager's 13F, not the share of Allurion Technologies Inc. the manager owns.