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 | New | 115,584 | 122 | 0.0% | — | 1 | +115,584 | New | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 17,411 | 18 | 0.0% | — | 2 | +17,411 | New | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | New | 13,300 | 14 | 0.0% | — | 3 | +13,300 | New | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 5,501 | 5 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | New | 2,247 | 2 | 0.0% | — | 5 | +2,247 | New | Q4 2025 | Jan 29, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 400 | 0 | — | — | — | +400 | New | Q4 2025 | Feb 10, 2026 |
| CITIGROUP INC | History | Closed out | 0 | 0 | — | — | — | -277 | -100.0% | Q3 2025 | Nov 10, 2025 |
| SBI Securities Co., Ltd. | History | No change | 7 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |