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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC | History | Reduced | 92,420 | 73 | 0.0% | 0.0% | 1 | -23,164 | -20.04% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 16,777 | 13 | 0.0% | — | 2 | +16,777 | New | Q1 2026 | May 15, 2026 |
| XTX Topco Ltd | History | New | 15,061 | 11 | 0.0% | — | 3 | +15,061 | New | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Reduced | 13,262 | 10 | 0.0% | 0.0% | 4 | -38 | -0.29% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 11,838 | 9 | 0.0% | — | 5 | +11,838 | New | Q1 2026 | May 14, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 5,500 | 4 | 0.0% | 0.0% | 6 | -1 | -0.02% | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Reduced | 1,629 | 1 | 0.0% | 0.0% | 7 | -618 | -27.5% | Q1 2026 | May 05, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -17,411 | -100.0% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | — | — | -400 | -100.0% | Q1 2026 | May 12, 2026 |
| SBI Securities Co., Ltd. | History | No change | 7 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |