CLRB Institutional Ownership & Shareholders
CELLECTAR BIOSCIENCES INC (CLRB) is currently held by 29 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $8.32M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Caligan Partners Lp is currently the largest disclosed institutional shareholder of CLRB tracked by InsiderSet, reporting ownership valued at approximately $1.31M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $573,397.56, representing an estimated loss of -56.12% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 88% of the total disclosed CLRB value among the investors covered in this analysis. Major shareholders include Caligan Partners Lp, Stempoint Capital Lp, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in CELLECTAR BIOSCIENCES INC (CLRB).
This page ranks the largest institutional CLRB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
29
Total Reported Value
$8.32M
Largest Holder
Caligan Partners Lp
Largest Position
$1.31M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
38
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Caligan Partners Lp | 0.06% | 469,998 | $1,306,594 | $573,398 | -$733,196 | -56.12% | |
| Stempoint Capital Lp | 0.17% | 354,938 | $986,728 | $433,024 | -$553,704 | -56.12% | |
| Vanguard Capital Management Llc | 0.00% | 327,367 | $910,080 | $399,388 | -$510,692 | -56.12% | |
| Silverarc Capital Management, Llc | 0.10% | 321,728 | $894,404 | $392,508 | -$501,896 | -56.12% | |
| Bleichroeder Lp | 0.14% | 288,679 | $802,528 | $352,188 | -$450,340 | -56.12% | |
| Balyasny Asset Management L.P. | 0.00% | 220,000 | $611,600 | $268,400 | -$343,200 | -56.12% | |
| Nantahala Capital Management, Llc | 0.04% | 219,998 | $611,594 | $268,398 | -$343,196 | -56.12% | |
| Empery Asset Management, Lp | 0.61% | 189,605 | $527,102 | $231,318 | -$295,784 | -56.12% | |
| Diadema Partners Lp | 0.14% | 138,341 | $384,588 | $168,776 | -$215,812 | -56.12% | |
| Stonepine Capital Management, Llc | 0.22% | 104,550 | $290,649 | $127,551 | -$163,098 | -56.12% | |
| Persistent Asset Partners Ltd | 0.08% | 92,983 | $258,493 | $113,439 | -$145,054 | -56.12% | |
| Boothbay Fund Management, Llc | 0.00% | 85,069 | $236,492 | $103,784 | -$132,708 | -56.12% | |
| Geode Capital Management, Llc | 0.00% | 53,351 | $148,323 | $65,088 | -$83,235 | -56.12% | |
| Vanguard Fiduciary Trust Co | 0.00% | 46,220 | $128,492 | $56,388 | -$72,104 | -56.12% | |
| Sequoia Financial Advisors | 0.00% | 21,850 | $60,743 | $26,657 | -$34,086 | -56.12% | |
| Riverview Capital Advisers, Llc | 0.01% | 10,384 | $50,051 | $12,668 | -$37,383 | -74.69% | |
| Acadian Asset Management Llc | 0.00% | 16,577 | $46,000 | $20,224 | -$25,776 | -56.03% | |
| Northern Trust Corp | 0.00% | 14,839 | $41,252 | $18,104 | -$23,148 | -56.11% | |
| Blackrock, Inc. | 0.00% | 4,735 | $13,163 | $5,777 | -$7,386 | -56.11% | |
| Ubs Group Ag | 0.00% | 3,093 | $8,599 | $3,773 | -$4,826 | -56.12% | |
| Barclays Plc | 0.00% | 561 | $1,560 | $684 | -$876 | -56.13% | |
| Morgan Stanley | 0.00% | 510 | $1,418 | $622 | -$796 | -56.12% | |
| Td Waterhouse Canada Inc. | 0.00% | 63 | $117 | $77 | -$40 | -34.31% | |
| Osaic Holdings, Inc. | 0.00% | 7 | $18 | $9 | -$9 | -52.56% | |
| Sbi Securities Co., Ltd. | 0.00% | 6 | $11 | $7 | -$4 | -33.45% | |
| Jones Financial Companies Lllp | 0.00% | 3 | $8 | $4 | -$4 | -54.25% | |
| Us Bancorp \De\ | 0.00% | 3 | $8 | $4 | -$4 | -54.25% | |
| Danske Bank A/S | 0.00% | 2 | $6 | $2 | -$4 | -59.33% | |
| Key Financial Inc | 0.00% | 3 | $6 | $4 | -$2 | -39.00% |
Frequently asked questions about CLRB
Who are the largest institutional holders of CLRB?
The largest institutional holders of CLRB reported in the latest SEC Form 13F filings include Caligan Partners Lp, Stempoint Capital Lp, Vanguard Capital Management Llc, Silverarc Capital Management, Llc, and Bleichroeder Lp. InsiderSet ranks institutional holders by their latest reported CLRB position.
What is CLRB institutional ownership?
This page tracks CLRB positions reported by institutional investment managers through SEC Form 13F. CELLECTAR BIOSCIENCES INC (CLRB) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own CLRB?
InsiderSet currently tracks 29 institutional managers reporting CLRB holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of CLRB shareholders.
How much CLRB stock do institutions own?
Institutional investment managers disclosed approximately $8.32M in CLRB holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was CLRB institutional ownership last updated?
The latest CLRB institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional CLRB holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its CLRB position after the reporting date.
Are institutions buying or selling CLRB?
Institutional buying and selling can be analyzed by comparing CLRB positions across consecutive 13F reporting periods. InsiderSet's CLRB Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View CLRB ownership changes.
How has CLRB institutional ownership changed over time?
InsiderSet tracks CLRB institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.