CTOR
Citius Oncology, Inc.Company with tickers: CTOR
CIK
1851484
CUSIP
17331Y109
Shares Outstanding
92,981,204
13F Activity (30d)
13 filings
13 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 14
Total Value: $8,833,644
Total Shares: 14,247,824
Institutional Ownership Trend
Holder Concentration
Across 14 13F filers · Δ vs Dec 31, 2025Top Holder
64.5%
−16.9 pts
Top 5
97.9%
+1.8 pts
Top 10
99.8%
+0.7 pts
HHI
4,903
Highly concentrated
−1,813
Quarterly Activity
vs Dec 31, 2025
New
3
Increased
7
Decreased
1
Sold Out
7
Unchanged
3
Holder count:
-4
Institutional value:
+28.7%
Shares held:
+107.7%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega BANK OF AMERICA CORP /DE/ | +3,834,946 | 3,835,160 | |
| Mid ARMISTICE CAPITAL, LLC | +3,604,775 | 9,188,855 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +44,686 | 264,733 | |
| Mega BlackRock, Inc. | +25,110 | 47,454 | |
| Mid IFP Advisors, Inc | +20,000 | 107,424 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large OSAIC HOLDINGS, INC. | −1,300 | 10,125 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 534,824 | $331,590 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 121,910 | $75,584 | |
| Small Caitong International Asset Management Co., Ltd | 1 | $0 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 596,997 | $596,997 | |
| Large OMERS ADMINISTRATION Corp | 104,500 | $104,500 | |
| Mid XTX Topco Ltd | 73,992 | $73,992 | |
| Mega TWO SIGMA INVESTMENTS, LP | 23,515 | $23,515 | |
| Small TWO SIGMA SECURITIES, LLC | 13,360 | $13,360 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid ARMISTICE CAPITAL, LLC | $5,697,090 | 64.49% | 9,188,855 | Shares | Sole | 2026-05-15 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $2,377,799 | 26.92% | 3,835,160 | Shares | Defined | 2026-05-18 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $331,590 | 3.75% | 534,824 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $164,134 | 1.86% | 264,733 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $75,584 | 0.86% | 121,910 | Shares | Defined | 2026-05-08 | ||||
| Mid IFP Advisors, Inc | $66,602 | 0.75% | 107,424 | Shares | Sole | 2026-04-13 | ||||
| Mega BlackRock, Inc. | $29,421 | 0.33% | 47,454 | Shares | Sole | 2026-05-13 | ||||
| Mega NORTHERN TRUST CORP Bank | $28,362 | 0.32% | 45,746 | Shares | Defined | 2026-05-14 | ||||
| Mega STATE STREET CORP | $26,598 | 0.30% | 42,900 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $22,840 | 0.26% | 36,840 | Shares | Defined | 2026-05-05 | ||||
| Mid Arkadios Wealth Advisors | $7,232 | 0.08% | 11,666 | Shares | Sole | 2026-05-18 | ||||
| Large OSAIC HOLDINGS, INC. | $6,277 | 0.07% | 10,125 | Shares | Defined | 2026-05-15 | ||||
| Mega ROYAL BANK OF CANADA Bank | $115 | 0.00% | 186 | Shares | Defined | 2026-05-15 | ||||
| Small Caitong International Asset Management Co., Ltd | $0 | 0.00% | 1 | Shares | Sole | 2026-05-11 | ||||
| No holders match your search. | ||||||||||