CTOR · Citius Oncology, Inc. · Holdings

$0.87 +0.02 (+2.61%)

Market Cap

$94.92M

92.98M

Volume · Oct 7 21.19K Avg daily vol (3M) 98.03K

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.

Use institutional holdings through the 13F API or MCP →

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.

Quarter:

Holders: 19

Total Value: $9,194,420

Total Shares: 14,145,277

Institutional Ownership Trend

15 quarters

Holder Concentration

Across 19 13F filers · Δ vs Mar 31, 2026

Top Holder

61.5%

−2.9 pts

Top 5

96.6%

−1.3 pts

Top 10

99.5%

−0.3 pts

HHI

4,548

Highly concentrated−355

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +5

Institutional value: +4.1%

Shares held: -0.7%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds	Open
Mega UBS Group AG	+297,779	334,619
Mega VANGUARD CAPITAL MANAGEMENT LLC	+11,501	546,325

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid ARMISTICE CAPITAL, LLC	−483,266	8,705,589
Mega GEODE CAPITAL MANAGEMENT, LLC	−19,326	245,407
Large OSAIC HOLDINGS, INC.	−9,125	1,000

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega CITADEL ADVISORS LLC	90,586	$58,880
Mid Virtu Financial LLC	21,877	$14,220
Mid XTX Topco Ltd	20,638	$13,414
Mid Tower Research Capital LLC (TRC)	13,816	$8,980
Mega WELLS FARGO & COMPANY/MN	500	$325

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Mega BlackRock, Inc.	47,454	$29,421
Mega ROYAL BANK OF CANADA	186	$115

Filter: New 7 Increased 2 Reduced 3 Sold out 2 Unchanged 7

Showing 19 of 19

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

ARMISTICE CAPITAL, LLC

$5,658,632

61.54%

8,705,589

BANK OF AMERICA CORP /DE/

$2,492,854

27.11%

3,835,160

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BOFA SECURITIES, INC.	3,835,160	$2,492,854	100.0%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$355,111

3.86%

546,325

UBS Group AG

$217,501

2.37%

334,619

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	313,683	$203,893	93.7%	Defined
UBS Switzerland AG	19,600	$12,740	5.9%	Defined
UBS Securities LLC	1,336	$868	0.4%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$159,513

1.73%

245,407

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	42,798	$27,818	17.4%	Defined
Held directly	202,609	$131,695	82.6%	Defined

VANGUARD FIDUCIARY TRUST CO

$79,241

0.86%

121,910

IFP Advisors, Inc

$69,825

0.76%

107,424

CITADEL ADVISORS LLC

$58,880

0.64%

90,586

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	90,586	$58,880	100.0%	Defined

NORTHERN TRUST CORP

$29,734

0.32%

45,746

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	45,746	$29,734	100.0%	Defined

STATE STREET CORP

$27,885

0.30%

42,900

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	42,900	$27,885	100.0%	Defined

Virtu Financial LLC

$14,220

0.15%

21,877

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	21,877	$14,220	100.0%	Defined

XTX Topco Ltd

$13,414

0.15%

20,638

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	20,638	$13,414	100.0%	Defined

Tower Research Capital LLC (TRC)

$8,980

0.10%

13,816

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	13,816	$8,980	100.0%	Defined

Arkadios Wealth Advisors

$7,582

0.08%

11,666

OSAIC HOLDINGS, INC.

$650

0.01%

1,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	1,000	$650	100.0%	Defined

WELLS FARGO & COMPANY/MN

$325

0.00%

500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	500	$325	100.0%	Defined

BARCLAYS PLC

$58

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	90	$58	100.0%	Defined

MORGAN STANLEY

$14

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	23	$14	100.0%	Defined

Caitong International Asset Management Co., Ltd

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	2,491	$1,544	5.2%	Sole
BlackRock Fund Advisors	44,963	$27,877	94.8%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	186	$115	100.0%	Defined

Key facts CIK 1851484 CUSIP 17331Y109 13F (30d) 1 filings 1 filers Visit website