34 institutions reported holding $2 of ALLURION TECHNOLOGIES INC (ALUR.WS) in SEC 13F filings for 2026-03-31. Largest institutional holders: LONGFELLOW INVESTMENT MANAGEMENT CO LLC ($2), Bracebridge Capital, LLC ($0), Anson Funds Management LP ($0), HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ($0), Investors Research Corp ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | LONGFELLOW INVESTMENT MANAGEMENT CO LLC | $2 | 77 | Hold |
| 2 | Bracebridge Capital, LLC | $0 | 0 | Exited |
| 3 | Anson Funds Management LP | $0 | 0 | Exited |
| 4 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $0 | 0 | Exited |
| 5 | Investors Research Corp | $0 | 6 | Hold |
| 6 | OSAIC HOLDINGS, INC. | $0 | 0 | Exited |
| 7 | PUBLIC INVESTMENT FUND | $0 | 0 | Exited |
| 8 | Royal Bank of Canada | $0 | 0 | Exited |
| 9 | OMERS ADMINISTRATION Corp | $0 | 0 | Exited |
| 10 | Calamos Advisors LLC | $0 | 0 | Exited |
| 11 | WOLVERINE ASSET MANAGEMENT LLC | $0 | 0 | Exited |
| 12 | TENOR CAPITAL MANAGEMENT Co., L.P. | $0 | 0 | Exited |
| 13 | MOORE CAPITAL MANAGEMENT, LP | $0 | 0 | Exited |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $0 | 0 | Exited |
| 15 | Saba Capital Management, L.P. | $0 | 0 | Exited |
| 16 | Vestcor Inc | $0 | 0 | Exited |
| 17 | LMR Partners LLP | $0 | 0 | Exited |
| 18 | SkyView Investment Advisors, LLC | $0 | 0 | Exited |
| 19 | HARBOUR INVESTMENTS, INC. | $0 | 6 | New |
| 20 | CITIGROUP INC | $0 | 0 | Exited |
| 21 | LITTLEJOHN & CO LLC | $0 | 0 | Exited |
| 22 | ARISTEIA CAPITAL, L.L.C. | $0 | 0 | Exited |
| 23 | MILLENNIUM MANAGEMENT LLC | $0 | 0 | Exited |
| 24 | TWO SIGMA SECURITIES, LLC | $0 | 0 | Exited |
| 25 | Davidson Kempner Capital Management LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31