Institutional HoldersBeta
Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.
Share classes (cover page of the 10-Q filed 2026-08-14, as of 2026-08-14)
| Class | Listed | Shares outstanding | Held by 13F filers | % of class | Holders | CUSIP |
|---|---|---|---|---|---|---|
| Common stock | SXTP · NASDAQ | 3,516,988 | 349,321 | 9.9% | 8 | 83006G500 |
Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.
Top holders (5 of 5 · 83006G112)
change vs 2026-03-31| # | Filer | Shares / principal | % of class | Value | Change |
|---|---|---|---|---|---|
| 1 | Walleye Capital LLC | 200,481 | — | $6K | — |
| 2 | Clear Street Group Inc. | 145,969 | — | $4K | — |
| 3 | TORNO CAPITAL, LLC | 47,169 | — | $1K | -47,169 (-50.0%) |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 10,892 | — | $329 | -7,271 (-40.0%) |
| 5 | UBS Group AG | 647 | — | $20 | -55 (-7.8%) |
Exited since 2026-03-31 (3 filers; largest 3 shown)
| Mariner, LLC | −39,997 |
| TWO SIGMA SECURITIES, LLC | −22,693 |
| CITADEL ADVISORS LLC | −12,400 |
Large holders from 13D/13G (latest per reporting person, last 2 years)
Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.
| Reporting person | Form | Filed | Event | Shares | % of class |
|---|---|---|---|---|---|
| EASTON JEFF | SCHEDULE 13G | 2026-08-05 | 2026-07-31 | 191,571 | 5.45% |
| Lind Global Partners III LLC | SCHEDULE 13G | 2026-08-05 | 2026-07-31 | 191,571 | 5.45% |
| Lind Global Fund III LP | SCHEDULE 13G | 2026-08-05 | 2026-07-31 | 191,571 | 5.45% |
| Knight Therapeutics Inc. | SCHEDULE 13G | 2026-07-29 | 2026-07-22 | 658,629 | 19.85% |
| CVI Investments, Inc. | SCHEDULE 13G/A | 2026-05-15 | 2026-03-31 | 197,911 | 7% |
| Heights Capital Management, Inc. | SCHEDULE 13G/A | 2026-05-15 | 2026-03-31 | 197,911 | 7% |
| Daniel B. Asher | SCHEDULE 13G/A | 2026-05-13 | 2026-03-31 | 263,158 | 9.1% |
| Intracoastal Capital LLC | SCHEDULE 13G/A | 2026-05-13 | 2026-03-31 | 263,158 | 9.1% |
| Mitchell P. Kopin | SCHEDULE 13G/A | 2026-05-13 | 2026-03-31 | 263,158 | 9.1% |
| Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B | SCHEDULE 13G/A | 2025-11-13 | 2025-09-30 | 177,427 | 4.14% |
| Ayrton Capital LLC | SCHEDULE 13G/A | 2025-11-13 | 2025-09-30 | 177,427 | 4.14% |
| Waqas Khatri | SCHEDULE 13G/A | 2025-11-13 | 2025-09-30 | 177,427 | 4.14% |
| Orca Capital AG | SCHEDULE 13G/A | 2025-07-17 | 2025-07-15 | 166,229 | 4.9% |
| Armistice Capital, LLC | SCHEDULE 13G/A | 2025-05-15 | 2025-03-31 | 77,357 | 4.99% |
| Steven Boyd | SCHEDULE 13G/A | 2025-05-15 | 2025-03-31 | 77,357 | 4.99% |
Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.