CLRB
CELLECTAR BIOSCN (CLRB)
NASDAQ
$2.60-$0.004 (-0.15%)
Price as of Jun 03, 2026 7:41 PM EDT
  • $25.1M
    Market Cap
  • -81.23%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
MARXE AUSTIN W & GREENHOUSE DAVID M
69.18%
2.2M
+2.2M (+100.00%)
Sep 30, 2014
WORTH VENTURE PARTNERS, LLC
10.54%
336,600
+294,964 (+87.63%)
Dec 31, 2022
BLACKROCK INC.
7.17%
228,930
+86,548 (+37.81%)
Jun 30, 2024
CVI HOLDINGS, LLC
5.20%
166,049
+166,049 (+100.00%)
Dec 31, 2022
QS INVESTORS, LLC
4.46%
142,400
+142,400 (+100.00%)
Jun 30, 2021
TWO SIGMA ADVISERS, LLC
3.67%
117,200
+57,400 (+48.98%)
Dec 31, 2021
BLEICHROEDER LP
3.13%
100,000
0 (0.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions25.6M (49.50%)
  • Mutual Funds22.7M (43.87%)
  • Insiders3.4M (6.63%)
  • Other0 (0.00%)

Insider Transactions

  • 6.63% (3.4M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $41,077.39
    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
Longcor Jarrod
Chief Operating Officer
Buy
May 07, 2026
$260.40
26,040
$0.01
36,149
Longcor Jarrod
Chief Operating Officer
Buy
May 07, 2026
$24,998.40
8,680
$2.88
20,451
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
Swirsky Douglas J
Award
Jun 14, 2024
$0.00
90,000
$0.00
90,000
DRISCOLL FREDERICK W
Award
Jun 14, 2024
$0.00
60,000
$0.00
60,000
Chanan-Khan Asher
Award
Jun 14, 2024
$0.00
60,000
$0.00
60,000
Loren Stefan
Award
Jun 14, 2024
$0.00
60,000
$0.00
60,000
Lea Darrell Shane
Chief Commercial Officer
Award
Jun 14, 2024
$0.00
260,000
$0.00
260,000
Longcor Jarrod
Chief Operating Officer
Award
Jun 14, 2024
$0.00
500,000
$0.00
500,000
Kolean Chad J
Chief Financial Officer
Award
Jun 14, 2024
$0.00
290,000
$0.00
290,000
Shustov Andrei
Senior Vice President, Medical
Award
Jun 14, 2024
$0.00
260,000
$0.00
260,000
NEIS JOHN
Award
Jun 14, 2024
$0.00
60,000
$0.00
60,000
CARUSO JAMES V
President and CEO
Award
Jun 14, 2024
$0.00
900,000
$0.00
900,000