CLRB
CELLECTAR BIOSCN (CLRB)
NASDAQ
$2.59-$0.005 (-0.19%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $24.5M
    Market Cap
  • -46.93%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
MARXE AUSTIN W & GREENHOUSE DAVID M
27.64%
2.2M
+2.2M (+100.00%)
Sep 30, 2014
WORTH VENTURE PARTNERS, LLC
4.21%
336,600
+294,964 (+87.63%)
Dec 31, 2022
BLACKROCK INC.
2.87%
228,930
+86,548 (+37.81%)
Jun 30, 2024
CVI HOLDINGS, LLC
2.08%
166,049
+166,049 (+100.00%)
Dec 31, 2022
QS INVESTORS, LLC
1.78%
142,400
+142,400 (+100.00%)
Jun 30, 2021
TWO SIGMA ADVISERS, LLC
1.47%
117,200
+57,400 (+48.98%)
Dec 31, 2021
BLEICHROEDER LP
1.25%
100,000
0 (0.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions25.6M (48.13%)
  • Mutual Funds23.9M (44.93%)
  • Insiders3.7M (6.94%)
  • Other0 (0.00%)

Insider Transactions

  • 6.94% (3.7M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $695.02
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Loren Stefan
Award
Jul 08, 2026
$0.00
15,000
$0.00
15,000
Chanan-Khan Asher
Award
Jul 07, 2026
$0.00
25,000
$0.00
25,000
Gu Andrew
Award
Jul 07, 2026
$0.00
25,000
$0.00
25,000
Swirsky Douglas J
Award
Jul 07, 2026
$0.00
37,500
$0.00
37,500
Longcor Jarrod
Chief Operating Officer
Award
Jul 07, 2026
$0.00
118,000
$0.00
118,000
NEIS JOHN
Sell
Dec 12, 2025
$731.99
198
$3.70
10
Kolean Chad J
Chief Financial Officer
Buy
Jul 02, 2025
$50.00
5,000
$0.01
5,000
Kolean Chad J
Chief Financial Officer
Buy
Jul 02, 2025
$24,950.00
5,000
$4.99
6,418
Longcor Jarrod
Chief Operating Officer
Award
Feb 14, 2025
$0.00
500,000
$0.00
500,000
CARUSO JAMES V
President and CEO
Award
Feb 14, 2025
$0.00
900,000
$0.00
900,000
Chanan-Khan Asher
Award
Feb 14, 2025
$0.00
60,000
$0.00
60,000
Kolean Chad J
Chief Financial Officer
Award
Feb 14, 2025
$0.00
290,000
$0.00
290,000
Swirsky Douglas J
Award
Feb 14, 2025
$0.00
90,000
$0.00
90,000
NEIS JOHN
Award
Feb 14, 2025
$0.00
60,000
$0.00
60,000
DRISCOLL FREDERICK W
Award
Feb 14, 2025
$0.00
60,000
$0.00
60,000
Longcor Jarrod
Chief Operating Officer
Buy
Jan 10, 2025
$8,400.00
30,000
$0.28
83,141