CLRB · Cellectar Biosciences, Inc.

$2.59 +0.00 (+0.00%) At close · Aug 21

Market Cap

$24.48M

9.45M

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.

Quarter:

Holders: 29

Total Value: $9,061,730

Total Shares: 3,259,621

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 29 13F filers · Δ vs Mar 31, 2026

Top Holder

14.4%

−17.8 pts

Top 5

54.1%

−32.8 pts

Top 10

86.0%

−13.6 pts

HHI

848

Broadly held−1,279

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +10

Institutional value: +1048.2%

Shares held: +949.1%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega VANGUARD CAPITAL MANAGEMENT LLC	+245,483	327,367
Small Bleichroeder LP	+188,679	288,679
Mega VANGUARD FIDUCIARY TRUST CO	+29,647	46,220
Mid Sequoia Financial Advisors, LLC	+3,000	21,850
Mega GEODE CAPITAL MANAGEMENT, LLC	+573	53,351

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds	Open
Mega UBS Group AG	−6,554	3,093
Mega BlackRock, Inc.	−10	4,735

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Caligan Partners LP	469,998	$1,306,594
Small STEMPOINT CAPITAL LP	354,938	$986,727
Small SILVERARC CAPITAL MANAGEMENT, LLC	321,728	$894,403
Mega Jupiter Topco LLC	274,156	$762,153
Large Balyasny Asset Management L.P.	220,000	$611,600

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small Warberg Asset Management LLC	13,900	$35,306
Mid Tower Research Capital LLC (TRC)	793	$2,014
Mega Vanguard Global Advisers, LLC	563	$1,430
Mega FMR LLC	10	$25

Filter: New 14 Increased 6 Reduced 2 Sold out 4 Unchanged 7

Showing 29 of 29

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Caligan Partners LP

$1,306,594

14.42%

469,998

STEMPOINT CAPITAL LP

$986,727

10.89%

354,938

VANGUARD CAPITAL MANAGEMENT LLC

$910,080

10.04%

327,367

SILVERARC CAPITAL MANAGEMENT, LLC

$894,403

9.87%

321,728

Bleichroeder LP

$802,527

8.86%

288,679

Jupiter Topco LLC

$762,153

8.41%

274,156

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

Manager	Shares	Value (USD)	% of position	Discretion
JANUS HENDERSON INVESTORS US LLC	274,156	$762,153	100.0%	Defined

Balyasny Asset Management L.P.

$611,600

6.75%

220,000

Nantahala Capital Management, LLC

$611,594

6.75%

219,998

Empery Asset Management, LP

$527,101

5.82%

189,605

DIADEMA PARTNERS LP

$384,587

4.24%

138,341

Stonepine Capital Management, LLC

$290,649

3.21%

104,550

Persistent Asset Partners Ltd

$258,492

2.85%

92,983

BOOTHBAY FUND MANAGEMENT, LLC

$236,491

2.61%

85,069

GEODE CAPITAL MANAGEMENT, LLC

$148,315

1.64%

53,351

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	3,043	$8,459	5.7%	Defined
Held directly	50,308	$139,856	94.3%	Defined

VANGUARD FIDUCIARY TRUST CO

$128,491

1.42%

46,220

Sequoia Financial Advisors, LLC

$60,743

0.67%

21,850

ACADIAN ASSET MANAGEMENT LLC

$46,084

0.51%

16,577

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	16,577	$46,084	100.0%	Defined

NORTHERN TRUST CORP

$41,252

0.46%

14,839

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	14,839	$41,252	100.0%	Defined

Riverview Capital Advisers, LLC

$28,867

0.32%

10,384

BlackRock, Inc.

$13,163

0.15%

4,735

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

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	4,735	$13,163	100.0%	Sole

UBS Group AG

$8,596

0.09%

3,093

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	33	$91	1.1%	Defined
UBS AG	2,865	$7,964	92.6%	Defined
UBS Switzerland AG	1	$2	0.0%	Defined
UBS Securities LLC	194	$539	6.3%	Defined

BARCLAYS PLC

$1,559

0.02%

561

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	561	$1,559	100.0%	Defined

MORGAN STANLEY

$1,417

0.02%

510

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

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY SMITH BARNEY LLC	510	$1,417	100.0%	Defined

TD Waterhouse Canada Inc.

$175

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	63	$175	100.0%	Defined

SBI Securities Co., Ltd.

$30

0.00%

OSAIC HOLDINGS, INC.

$19

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	7	$19	100.0%	Defined

US BANCORP \DE\

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
US BANK NATIONAL ASSOCIATION	3	$8	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

0.00%

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

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	3	$8	100.0%	Sole

DANSKE BANK A/S

0.00%

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)	793	$2,014	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
STRATEGIC ADVISERS LLC	10	$25	100.0%	Defined

Key facts CIK 1279704 CUSIP 15117F880 13F (30d) 33 filings 27 filers Visit website Investor relations