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, Q4 2025
Institutional positions in Allurion Technologies, Inc. as of Dec 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
- 27
- +7 vs. Q3 2025
- Shares held
- 6.82M
- +4.01M (+142.2%) vs. Q3 2025
- Total value
- $8.20M
- +$2.44M (+42.5%) vs. Q3 2025
- New holders
- 9
- 6 more added
- Sold out
- 2
- 3 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Allurion Technologies, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| RTW Investments, LP | 5,891,430 | $7.25M | 0.07% | +3,348,827+131.7% | Added |
| Lunt Capital Management, Inc. | 166,666 | $205.0K | 0.08% | +166,666 | New |
| Vanguard Group Inc | 88,650 | $109.0K | 0.00% | +32,468+57.8% | Added |
| Hudson Bay Capital Management LP | 59,880 | $87.1K | 0.00% | +59,880 | New |
| Empery Asset Management, LP | 59,881 | $73.7K | 0.06% | +59,881 | New |
| Heights Capital Management, Inc | 59,880 | $73.7K | 0.03% | +59,880 | New |
| Armistice Capital, LLC | 59,880 | $73.7K | 0.00% | +59,880 | New |
| L1 Global Manager Pty Ltd | 59,880 | $73.7K | 0.05% | +59,880 | New |
| Unisphere Establishment | 49,695 | $61.1K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 40,311 | $49.6K | 0.00% | +709+1.8% | Added |
| UBS Group AG | 29,865 | $36.7K | 0.00% | −29,271−49.5% | Reduced |
| State Street Corp | 26,135 | $32.1K | 0.00% | +11,300+76.2% | Added |
| BlackRock, Inc. | 18,855 | $23.2K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 14,821 | $18.2K | 0.00% | +14,821 | New |
| XTX Topco Ltd | 12,577 | $15.5K | 0.00% | +351+2.9% | Added |
| Centerpoint Advisors, LLC | 6,347 | $8.00K | 0.00% | 00.0% | Unchanged |
| LRI Investments, LLC | 5,000 | $6.15K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 162,000 | $3.24K | 0.00% | +162,000 | New |
| Advisor Group Holdings, Inc. | 504 | $619 | 0.00% | −286−36.2% | Reduced |
| Group One Trading, L.P. | 199 | $245 | 0.00% | 00.0% | Unchanged |
| Limestone Investment Advisors LP | 10,950 | $168 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 56 | $69 | 0.00% | +16+40.0% | Added |
| SBI Securities Co., Ltd. | 10 | $12 | 0.00% | −3−23.1% | Reduced |
| DV Equities, LLC | 6 | $7 | 0.00% | +6 | New |
| JPMorgan Chase & Co | 4 | $5 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 3 | $4 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 2 | $2 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,058−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −11−100.0% | Sold out |