Cellectar Biosciences
CLRB • NASDAQ
Cellectar Biosciences is a biotechnology company in the healthcare sector on NASDAQ, led by James V. Caruso, with a market cap of $15.3M. As of Q3 2025, 9% of shares are held by 20 institutional investors, with Bleichroeder LP as the largest holder at 3.13%.
President, Chief Executive Officer and DirectorJames V. Caruso
Market Cap$15.3M
Biotechnology
Healthcare
Employees20.0
Websitecellectar.com
Country
United States of America
Overview
Overview of institutional ownership in CLRB as of Q3 2025 with a market cap of $17.9M
All Institutions
- Institutions
- 20
- Value Held
- $1.7M
- Shares Held
- 296.2K
- Avg Position
- $82.5K
- Median Position
- $16.3K
Hedge Funds
- Hedge Funds
- 3
- Value Held
- $803.2K
- Shares Held
- 143.4K
- Avg Position
- $267.7K
- Median Position
- $139.4K
Ownership Breakdown
Based on market cap of $17.9M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in CLRB as of Q3 2025
| Institution | Position Value |
|---|---|
 Bleichroeder LP Hedge Fund•Value | $560.0K 0.11% of portfolio |
 VANGUARD GROUP INC Institution | $365.0K 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $139.4K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $139.4K 0.00% of portfolio |
D DRW Securities, LLC Institution | $118.2K 0.01% of portfolio |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $103.7K 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $73.0K 0.00% of portfolio |
 Sequoia Financial Advisors, LLC RIA/Wealth | $60.4K 0.00% of portfolio |
 Riverview Capital Advisers, LLC RIA/Wealth | $50.1K 0.02% of portfolio |
B BlackRock, Inc. Institution | $26.6K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for CLRB in Q3 2025
- Traded
- +$1.1M
- Buyers
- 14
- Sellers
- 7
- Total Bought
- +$1.2M
- Total Sold
- −$107.3K
- Avg Position
- $68.8K
Biggest Buyers
| Institution | Net Bought |
|---|---|
Bleichroeder LP Hedge Fund•Value | +$560.0K +100.0K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$139.4K +24.9K shares |
D DRW Securities, LLC Institution | +$118.2K +21.1K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$103.7K +18.5K shares |
DIMENSIONAL FUND ADVISORS LP Long Only Manager | +$73.0K +13.0K shares |
Sequoia Financial Advisors, LLC RIA/Wealth | +$60.4K +10.8K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$58.5K +10.5K shares |
VANGUARD GROUP INC Institution | +$49.4K +8.8K shares |
T Tower Research Capital LLC Institution | +$5.0K +895.0 shares |
 BANK OF AMERICA CORP /DE/ Institution | +$140.7 +25.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
H HRT FINANCIAL LLC Institution | −$89.4K −12.6K shares |
 UBS Group AG Institution | −$15.2K −2.7K shares |
S SIMPLEX TRADING, LLC Institution | −$1.0K −238.0 shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | −$946.0 −133.0 shares |
Riverview Capital Advisers, LLC RIA/Wealth | −$559.1 −116.0 shares |
G GROUP ONE TRADING, L.P. Institution | −$185.1 −33.0 shares |
 HARBOUR INVESTMENTS, INC. RIA/Wealth | −$7.0 −1.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited CLRB in Q3 2025
- New Positions
- 2
- New Value
- $678.2K
- Exited Positions
- 4
- Exited Value
- $91.4K
New Positions
| Institution | Position Value |
|---|---|
Bleichroeder LP Hedge Fund•Value | $560.0K 100.0K shares |
D DRW Securities, LLC Institution | $118.2K 21.1K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
H HRT FINANCIAL LLC Institution | $89.4K 12.6K shares |
S SIMPLEX TRADING, LLC Institution | $1.0K 238.0 shares |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | $946.0 133.0 shares |
HARBOUR INVESTMENTS, INC. RIA/Wealth | $7.0 1.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in CLRB as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with CLRB as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Bleichroeder LP Hedge Fund•Value | 0.11% $560.0K |
Riverview Capital Advisers, LLC RIA/Wealth | 0.02% $50.1K |
D DRW Securities, LLC Institution | 0.01% $118.2K |
Sequoia Financial Advisors, LLC RIA/Wealth | 0.00% $60.4K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $139.4K |
T Tower Research Capital LLC Institution | 0.00% $6.1K |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | 0.00% $103.7K |
DIMENSIONAL FUND ADVISORS LP Long Only Manager | 0.00% $73.0K |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | 0.00% $139.4K |
VANGUARD GROUP INC Institution | 0.00% $365.0K |
Hedge Fund Spotlight
Discover hedge funds investing in CLRB
CITADEL ADVISORS LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerKenneth Cordele Griffin
- Portfolio Value
- $122.08B
- Positions
- 5,531
- Last Reported
- Q3 2025
Sector Allocation
Position in Cellectar Biosciences
- Market Value
- $103.7K
- Shares Held
- 18.5K
- Portfolio Weight
- 0.00%
- Owned Since
- 2021-Q4
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $2.1B | 1.68% | |
Semiconductors Technology | $1.8B | 1.50% | |
Internet Content & Information Communication Services | $1.4B | 1.18% |
