Citius Oncology, Inc.
Ownership
Ownership Structure
Who owns Citius Oncology, Inc. (CTOR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 29.3% of the shares are freely tradable; institutional investors hold 15.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Armistice Capital, LLC | 8.69 | 9,188,855 | +64.6 | 03/31/2026 |
| Bank of America Corp | 3.63 | 3,835,160 | +1,792,030.8 | 03/31/2026 |
| Vanguard Capital Management, LLC | 0.51 | 534,824 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 0.25 | 264,733 | +20.3 | 03/31/2026 |
| Vanguard Fiduciary Trust Co | 0.12 | 121,910 | +0.0 | 03/31/2026 |
| IFP Advisors, LLC | 0.10 | 107,424 | +0.0 | 06/30/2026 |
| Citadel Advisors Llc | 0.09 | 90,586 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 0.35 | 370,100 | +0.0 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.17 | 176,225 | +0.0 | 07/31/2026 |
| Fidelity Extended Market Index | 0.09 | 98,013 | -0.2 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.