$CLRB

$1.21 +$0.00 (0.0%) Close

$CLRB Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 9.5M shares outstanding

Who owns CLRB?

By type of holder

Institutions 34.5% Insiders 0.4% Everyone else 65.1%

Concentration Top 10 holders own 29.7%

Caligan Partners LP 5.0% · Stempoint Capital LP 3.8%

Institutional ownership

34.5%

+31.2 pts vs last qtr

Institutional holders

+10 vs last qtr

Net shares bought

+2.9M

by institutions in Q2 2026

New / sold out

14 / 4

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Caligan Partners LP NEW +470.0K
Stempoint Capital LP NEW +354.9K

Biggest sellers in Q2 2026

Warberg Asset Management LLC SOLD OUT −13.9K
UBS Group AG −6.6K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Cellectar Biosciences Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2024–FY2025

+110.7%

+110.67% a year

Each share's claim on the business

−52.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $6.54M

over 2 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years13% 3–5 years0% 1–3 years0% Under 1 year86%

Quarterly turnover

481.6%

of institutional shares changed hands

Top 10 managers, median time held

0 quarters

Super Investors

Investment managers reporting CLRB on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
CP Caligan Partners LP	470.0K	4.97%	NEW	Q2 '26	0.1%
Shares held by quarter Peak holding470.0K (Q2'26) Change over 8 quarters+470.0K Share of the company4.970% Caligan Partners LP's full portfolio →
SC Stempoint Capital LP	354.9K	3.76%	NEW	Q2 '26	0.2%
Shares held by quarter Peak holding354.9K (Q2'26) Change over 8 quarters+354.9K Share of the company3.760% Stempoint Capital LP's full portfolio →

Caligan Partners LP

470.0K

% of company

4.97%

Change vs last qtr

NEW

Held since

Q2 '26

Stempoint Capital LP

354.9K

% of company

3.76%

Change vs last qtr

NEW

Held since

Q2 '26

27 more super investors behind a free account

See every manager holding Cellectar Biosciences Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting CLRB on Form N-PORT; together they hold 4.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$512K	184.1K	1.95%	0.00%	June 30, 2026
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$398K	143.2K	1.52%	0.00%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$512K

% of company

1.95%

% of the fund

0.00%

As of

June 30, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$398K

% of company

1.52%

% of the fund

0.00%

As of

June 30, 2026

5 more funds behind a free account

See every fund holding Cellectar Biosciences Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
LJ Longcor Jarrod Insider	20.5K	0.22%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.220% Longcor Jarrod's insider activity →
CJ Caruso James V Insider	20.3K	0.21%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.210% Caruso James V's insider activity →

Longcor Jarrod

Insider

20.5K

% of company

0.22%

Change vs last qtr

—

Held since

—

Caruso James V

Insider

20.3K

% of company

0.21%

Change vs last qtr

—

Held since

—

2 more holders behind a free account

See every insider and 5%+ holder of Cellectar Biosciences Inc.

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