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 2025
Institutional positions in Allurion Technologies, Inc. as of Mar 31, 2025. 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
- 24
- −1 vs. Q4 2024
- Shares held
- 1.39M
- +808.3K (+137.9%) vs. Q4 2024Converted for a 1-for-25 split
- Total value
- $4.44M
- −$1.86M (−29.5%) vs. Q4 2024
- New holders
- 9
- 8 more added
- Sold out
- 10
- 3 more reduced
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Allurion Technologies, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbour Investments, Inc. | 2 | $6 | 0.00% | −0−10.7% | ReducedConverted for a 1-for-25 split |
| SBI Securities Co., Ltd. | 2 | $6 | 0.00% | +1+138.1% | AddedConverted for a 1-for-25 split |
| Signaturefd, LLC | 3 | $10 | 0.00% | −0−9.6% | ReducedConverted for a 1-for-25 split |
| FMR LLC | 8 | $26 | 0.00% | −3−25.7% | ReducedConverted for a 1-for-25 split |
| Allworth Financial LP | 11 | $26 | 0.00% | +11 | New |
| Barclays PLC | 9 | $29 | 0.00% | +9 | New |
| Parallel Advisors, LLC | 10 | $32 | 0.00% | 00.0% | UnchangedConverted for a 1-for-25 split |
| Bank of America Corp | 37 | $119 | 0.00% | +20+112.2% | AddedConverted for a 1-for-25 split |
| Morgan Stanley | 53 | $170 | 0.00% | +53 | New |
| JPMorgan Chase & Co | 61 | $196 | 0.00% | +52+606.0% | AddedConverted for a 1-for-25 split |
| Caas Capital Management LP | 10,950 | $318 | 0.00% | +10,950 | New |
| Group One Trading, L.P. | 199 | $639 | 0.00% | 00.0% | UnchangedConverted for a 1-for-25 split |
| Advisor Group Holdings, Inc. | 790 | $2.54K | 0.00% | +786+19,650.0% | AddedConverted for a 1-for-25 split |
| Tower Research Capital LLC (TRC) | 2,257 | $7.25K | 0.00% | +2,257 | New |
| Centerpoint Advisors, LLC | 3,318 | $11.0K | 0.00% | +3,318 | New |
| XTX Topco Ltd | 13,037 | $41.8K | 0.00% | +13,037 | New |
| BlackRock, Inc. | 20,423 | $65.6K | 0.00% | 00.0% | UnchangedConverted for a 1-for-25 split |
| Sabby Management, LLC | 27,890 | $89.5K | 0.38% | +27,890 | New |
| Geode Capital Management, LLC | 40,894 | $131.3K | 0.00% | +21,062+106.2% | AddedConverted for a 1-for-25 split |
| HRT Financial LP | 42,724 | $137.0K | 0.00% | +42,724 | New |
| Vanguard Group Inc | 49,366 | $158.5K | 0.00% | +1,337+2.8% | AddedConverted for a 1-for-25 split |
| Unisphere Establishment | 49,695 | $159.5K | 0.00% | 00.0% | UnchangedConverted for a 1-for-25 split |
| UBS Group AG | 82,535 | $264.9K | 0.00% | +77,873+1,670.3% | AddedConverted for a 1-for-25 split |
| RTW Investments, LP | 1,050,063 | $3.37M | 0.05% | +932,161+790.6% | AddedConverted for a 1-for-25 split |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −301,096−100.0% | Sold outConverted for a 1-for-25 split |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −9,045−100.0% | Sold outConverted for a 1-for-25 split |
| State Street Corp | 0 | $0 | 0.00% | −4,821−100.0% | Sold outConverted for a 1-for-25 split |
| Northern Trust Corp | 0 | $0 | 0.00% | −3,059−100.0% | Sold outConverted for a 1-for-25 split |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold outConverted for a 1-for-25 split |
| Colony Group, LLC | 0 | $0 | 0.00% | −1,402−100.0% | Sold outConverted for a 1-for-25 split |
| Bank of Montreal | 0 | $0 | 0.00% | −1,280−100.0% | Sold outConverted for a 1-for-25 split |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −779−100.0% | Sold outConverted for a 1-for-25 split |
| Yale University | 0 | $0 | 0.00% | −490−100.0% | Sold outConverted for a 1-for-25 split |
| Royal Bank of Canada | 0 | $0 | 0.00% | −178−100.0% | Sold outConverted for a 1-for-25 split |