# APTORUM GROUP LIMITED (APM)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/APM/

- Reporting holders: 5
- Reported value: $93.3K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $45.7K | 58,461 | 0.0% | 1 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $38.3K | 48,984 | 0.0% | 3 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $5.0K | 6,398 | 0.0% | 1 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $4.3K | 5,500 | 0.0% | 6 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $5 | 7 | 0.0% | 7 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 5 | $93.3K |
| Q1 2026 | 8 | $124.6K |
| Q4 2025 | 7 | $163.7K |
| Q3 2025 | 3 | $11.4K |
| Q2 2025 | 4 | $40.0K |
| Q1 2025 | 8 | $79.2K |
| Q4 2024 | 4 | $133.7K |
| Q3 2024 | 2 | $99.7K |
| Q2 2024 | 4 | $333.2K |
| Q1 2024 | 5 | $615.5K |
| Q4 2023 | 3 | $116.7K |
| Q3 2023 | 4 | $100.4K |