Allurion Technologies, Inc.
ALUR- Exchange
- OTC
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001964979
No open-market purchases or sales by Allurion Technologies, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Other share classesALURW
13F holders, Q1 2026
Institutional positions in Allurion Technologies, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1
- −24 vs. Q4 2025
- Shares held
- 2
- −6.73M (−100.0%) vs. Q4 2025
- Total value
- $1
- −$8.09M (−100.0%) vs. Q4 2025
- New holders
- 0
- 0 more added
- Sold out
- 24
- 0 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALUR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 1 | $1 |
| Q4 2025 | 27 | $8.20M |
| Q3 2025 | 20 | $5.75M |
| Q2 2025 | 21 | $6.84M |
| Q1 2025 | 24 | $4.44M |
| Q4 2024 | 25 | $6.30M |
| Q3 2024 | 28 | $10.2M |
| Q2 2024 | 33 | $10.3M |
| Q1 2024 | 28 | $13.3M |
| Q4 2023 | 26 | $28.4M |
| Q3 2023 | 23 | $26.8M |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Allurion Technologies, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbour Investments, Inc. | 2 | $1 | 0.00% | 00.0% | Unchanged |
| RTW Investments, LP | 0 | $0 | 0.00% | −5,891,430−100.0% | Sold out |
| Lunt Capital Management, Inc. | 0 | $0 | 0.00% | −166,666−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −59,880−100.0% | Sold out |
| Empery Asset Management, LP | 0 | $0 | 0.00% | −59,881−100.0% | Sold out |
| Heights Capital Management, Inc | 0 | $0 | 0.00% | −59,880−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −59,880−100.0% | Sold out |
| L1 Global Manager Pty Ltd | 0 | $0 | 0.00% | −59,880−100.0% | Sold out |
| Unisphere Establishment | 0 | $0 | 0.00% | −49,695−100.0% | Sold out |
| Geode Capital Management, LLC | 0 | $0 | 0.00% | −40,311−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −29,865−100.0% | Sold out |
| State Street Corp | 0 | $0 | 0.00% | −26,135−100.0% | Sold out |
| BlackRock, Inc. | 0 | $0 | 0.00% | −18,855−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −14,821−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −12,577−100.0% | Sold out |
| Centerpoint Advisors, LLC | 0 | $0 | 0.00% | −6,347−100.0% | Sold out |
| LRI Investments, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −162,000−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −504−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −199−100.0% | Sold out |
| Limestone Investment Advisors LP | 0 | $0 | 0.00% | −10,950−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −56−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| DV Equities, LLC | – | – | – | – | Not filed |