Niki BiosolutionsNIKI
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 8 institutions reported holding Niki Biosolutions Inc. (NIKI) in their 13F filings, up 1 from Q4 2025. 3 opened new positions and 2 sold out. The largest holders were Citadel Advisors ($74K), Susquehanna International Group, LLP ($13K) and XTX Topco Ltd ($12K). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Niki Biosolutions Inc.
- Filed as
- APTORUM GROUP LIMITED (Q1 2026)
- CUSIP
- G6096M122
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $35K |
| Exits | 2 | $19K |
All 13F filers, Q4 2025 → Q1 2026: 43,676 shares bought and 41,632 shares sold, net +2,044 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 8 holders
| Citadel Advisors | 0.00% | Reduce -20.0% | 92,420 | $74K |
| Susquehanna International Group, LLP | 0.00% | New | 16,777 | $13K |
| XTX Topco Ltd | 0.00% | New | 15,061 | $12K |
| Morgan Stanley | 0.00% | Reduce -0.3% | 13,262 | $11K |
| Renaissance Technologies | 0.00% | New | 11,838 | $9K |
| Osaic Holdings, Inc. | 0.00% | Reduce -0.0% | 5,500 | $4K |
| UBS Group AG | 0.00% | Reduce -27.5% | 1,629 | $1K |
| SBI Securities Co., Ltd. | 0.00% | No change | 7 | $6 |
"% of holder's portfolio" is NIKI's weight in each manager's 13F, not the share of Niki Biosolutions Inc. the manager owns.