APTORUM GROUP LIMITED (APM)
Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.
5
Reporting holders
$74.2K
Reported value
0.0%
Held as options
-3
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | $45.7K | 58,461 | 0.00% | new | NEW |
| CITADEL ADVISORS LLC | $19.2K | 24,492 | 0.00% | 3q | -73.5%-$53.1K |
| CITIGROUP INC | $5.0K | 6,398 | 0.00% | new | NEW |
| OSAIC HOLDINGS, INC. | $4.3K | 5,500 | 0.00% | 6q | HELD |
| SBI Securities Co., Ltd. | $5 | 7 | 0.00% | 7q | HELD |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 5 | $74.2K | 94,858 | 2 | 0 | 1 | 0.0% |
| Q1 2026 | 8 | $124.6K | 156,494 | 3 | 0 | 2 | 0.0% |
| Q4 2025 | 7 | $163.7K | 154,450 | 5 | 0 | 0 | 0.0% |
| Q3 2025 | 3 | $11.4K | 5,785 | 0 | 0 | 1 | 0.0% |
| Q2 2025 | 4 | $40.0K | 43,951 | 0 | 2 | 1 | 0.0% |
| Q1 2025 | 8 | $79.2K | 94,287 | 4 | 2 | 2 | 0.0% |
| Q4 2024 | 4 | $133.7K | 47,754 | 1 | 0 | 2 | 0.0% |
| Q3 2024 | 2 | $99.7K | 55,622 | 0 | 1 | 0 | 0.0% |
| Q2 2024 | 4 | $333.2K | 75,807 | 2 | 2 | 0 | 0.0% |
| Q1 2024 | 5 | $615.5K | 64,858 | 2 | 1 | 1 | 0.0% |
| Q4 2023 | 3 | $116.7K | 49,045 | 1 | 2 | 0 | 0.0% |
| Q3 2023 | 4 | $100.4K | 43,248 | 2 | 1 | 1 | 0.0% |
| Q2 2023 | 3 | $127.2K | 46,287 | 0 | 2 | 1 | 0.0% |
| Q1 2023 | 4 | $117.7K | 45,979 | 4 | 0 | 0 | 0.0% |
| Q4 2022 | 5 | $101.1K | 183,848 | 0 | 0 | 4 | 0.0% |
| Q3 2022 | 12 | $992.0K | 863,217 | 3 | 4 | 3 | 0.0% |
| Q2 2022 | 9 | $804.0K | 587,256 | 2 | 6 | 0 | 0.0% |
| Q1 2022 | 8 | $956.0K | 572,534 | 3 | 4 | 1 | 0.0% |
| Q4 2021 | 9 | $1.3M | 836,505 | 2 | 5 | 0 | 0.0% |
| Q3 2021 | 8 | $1.4M | 526,864 | 1 | 4 | 2 | 0.0% |
| Q2 2021 | 11 | $1.8M | 564,462 | 5 | 2 | 1 | 0.0% |
| Q1 2021 | 8 | $600.0K | 201,356 | 2 | 1 | 4 | 0.0% |
| Q4 2020 | 8 | $428.0K | 173,759 | 5 | 3 | 0 | 0.0% |
| Q3 2020 | 5 | $234.0K | 87,034 | 5 | 0 | 0 | 0.0% |
| Q2 2020 | 1 | $48.0K | 12,753 | 1 | 0 | 0 | 0.0% |
| Q1 2020 | 3 | $139.0K | 37,872 | 1 | 1 | 1 | 0.0% |
| Q4 2019 | 3 | $17.0K | 1,076 | 0 | 0 | 3 | 0.0% |
| Q3 2019 | 3 | $44.0K | 2,686 | 1 | 2 | 0 | 0.0% |
| Q2 2019 | 4 | $299.0K | 11,903 | 2 | 0 | 2 | 0.0% |
| Q1 2019 | 2 | $36.0K | 2,698 | 1 | 1 | 0 | 0.0% |
| Q4 2018 | 1 | $22.0K | 1,472 | 0 | 0 | 0 | 0.0% |