Aptorum Group Ltd - APM
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | History | New | 58,461 | 45 | 0.0% | — | 1 | +58,461 | New | Q2 2026 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 24,492 | 19 | 0.0% | 0.0% | 2 | -67,928 | -73.5% | Q2 2026 | Sep 02, 2026 |
| CITIGROUP INC | History | New | 6,398 | 5 | 0.0% | — | 3 | +6,398 | New | Q2 2026 | Aug 03, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 5,500 | 4 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -16,777 | -100.0% | Q2 2026 | Aug 14, 2026 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -15,061 | -100.0% | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | Closed out | 0 | 0 | — | 0.0% | — | -13,262 | -100.0% | Q2 2026 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,838 | -100.0% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -1,629 | -100.0% | Q2 2026 | Aug 13, 2026 |
| SBI Securities Co., Ltd. | History | No change | 7 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Jul 22, 2026 |