CLRBNasdaqPharmaceutical PreparationsFiscal year ends December 31
Cellectar Biosciences, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$1.12−0.02 (-1.75%)
Close on Oct 19, 2026
- Market cap
- $13.70M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
36.8%
3M of 9M shares
Institutional holders
29
14 new, 4 sold out
Net institutional buying
3M
In Q2 2026
Insider trades, 12 months
2 buys · 1 sales
Net bought $49.26K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Empery Asset Management, LP | 864,090 | 9.99% | 13G (passive) | Jun 30, 2026 |
| Stonepine GP, LLC | 863,277 | 9.90% | 13G (passive) | May 4, 2026 |
| Devesh Gandhi | 851,285 | 9.99% | 13G (passive) | Jun 30, 2026 |
| Michelle Ross | 845,740 | 9.90% | 13G (passive) | Jun 30, 2026 |
| Bleichroeder Holdings LLC | 808,300 | 9.99% | 13G (passive) | Jun 30, 2026 |
| Janus Henderson Group PLC | 798,382 | 9.99% | 13G (passive) | May 29, 2026 |
| Dmitry Balyasny | 798,382 | 9.99% | 13G (passive) | Jun 30, 2026 |
| Salamon Steven A J | 7,472,745 | 9.90% | 13G (passive) amendment | Dec 31, 2024 |
| Johnson David Edward | 469,998 | 5.90% | 13G (passive) | Jun 30, 2026 |
| Nantahala Capital Management, LLC | 2,507,125 | 5.73% | 13G (passive) amendment | Dec 31, 2024 |
| Aharon Gil | 247,715 | 5.50% | 13G (passive) amendment | Dec 31, 2025 |
| Andrew Gundlach | 200,000 | 6.08% | 13G (passive) | Sep 30, 2025 |
| ADAR1 Partners, LP | 1,824,063 | 6.21% | 13G (passive) | Jan 23, 2024 |
| Rockledge Capital Corporation | 1,307,049 | 9.68% | 13G (passive) amendment | Dec 31, 2023 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of CLRB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Caligan Partners LP | 469,998 | 4.97% | $1.31M | New | 0.06% |
| Nantahala Capital Management, LLC | 439,996 | 4.66% | $1.22M | New | 0.02% |
| Stempoint Capital LP | 354,938 | 3.76% | $986.73K | New | 0.17% |
| Vanguard Capital Management LLC | 327,367 | 3.46% | $910.08K | +245,483 | 0.00% |
| Silverarc Capital Management, LLC | 321,728 | 3.40% | $894.40K | New | 0.09% |
| Bleichroeder LP | 288,679 | 3.05% | $802.53K | +188,679 | 0.14% |
| Jupiter Topco LLC | 274,156 | 2.90% | $759.41K | New | 0.00% |
| Balyasny Asset Management L.P. | 220,000 | 2.33% | $611.60K | New | 0.00% |
| Empery Asset Management, LP | 189,605 | 2.01% | $527.10K | New | 0.61% |
| Diadema Partners LP | 138,341 | 1.46% | $384.59K | New | 0.05% |
| Stonepine Capital Management, LLC | 104,550 | 1.11% | $290.65K | New | 0.16% |
| Persistent Asset Partners Ltd | 92,983 | 0.98% | $258.49K | New | 0.08% |
| Boothbay Fund Management, LLC | 85,069 | 0.90% | $236.49K | New | 0.00% |
| Geode Capital Management, LLC | 53,351 | 0.56% | $148.32K | +573 | 0.00% |
| Vanguard Fiduciary Trust Co | 46,220 | 0.49% | $128.49K | +29,647 | 0.00% |
| Sequoia Financial Advisors, LLC | 21,850 | 0.23% | $60.74K | +3,000 | 0.00% |
| Acadian Asset Management LLC | 16,577 | 0.18% | $46 | New | 0.00% |
| Northern Trust Corp | 14,839 | 0.16% | $41.25K | New | 0.00% |
| Riverview Capital Advisers, LLC | 10,384 | 0.11% | $50.05K | – | 0.01% |
| BlackRock, Inc. | 4,735 | 0.05% | $13.16K | −10 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 29 | 3M | 36.8% | 14 / 6 | 2 / 4 | 3M | 0M |
| Q1 2026 | 19 | 0M | 3.3% | 4 / 2 | 3 / 4 | 0M | 0M |
| Q4 2025 | 20 | 0M | 3.7% | 4 / 7 | 1 / 5 | 0M | 0M |
| Q3 2025 | 21 | 0M | 3.1% | 6 / 7 | 3 / 4 | 0M | 0M |
| Q2 2025 | 19 | 0M | 1.1% | 19 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of CLRB | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 184,145 | 1.95% | $511.92K | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 143,222 | 1.52% | $398.16K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 26,977 | 0.29% | $84.71K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 5,641 | 0.06% | $17.71K | 0.00% | May 31, 2026 |
| Fidelity Total Market Index Fund | 2,064 | 0.02% | $6.48K | 0.00% | May 31, 2026 |
| Fidelity Nasdaq Composite Index Fund | 200 | 0.00% | $628 | 0.00% | May 31, 2026 |
| Blackstone Alternative Multi-Strategy Fund | 1 | 0.00% | $3 | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| James V. Caruso | President & CEO, Director | 20,318 | 0.21% | Jul 8, 2026 |
| Jarrod Longcor | Chief Operating Officer | 20,451 | 0.22% | Jul 8, 2026 |
| Chad J. Kolean | CFO | 6,418 | 0.07% | Jul 8, 2026 |
| John Neis | Director | 10 | 0.00% | Jul 8, 2026 |
| Asher Chanan-Khan | Director | – | – | Jul 8, 2026 |
| Andrew Gu | Director | – | – | Jul 8, 2026 |
| Frederick W. Driscoll | Director | 19,417 | 0.21% | Jul 8, 2026 |
| Douglas J. Swirsky | Director | 25,000 | 0.26% | Jul 8, 2026 |
| Stefan Loren | – | – | – | Jul 10, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Jarrod Longcor Chief Operating Officer | May 7, 2026 | Buy | +8,680 | $2.88 | $25.00K | 20,451 |
| James V. Caruso Chief Executive Officer, Director | May 7, 2026 | Buy | +8,680 | $2.88 | $25.00K | 20,318 |
| John Neis Director | Dec 12, 2025 | Sale | −198 | $3.70 | $733 | 10 |
| James V. Caruso Chief Executive Officer, Director | Jul 2, 2025 | Buy | +10,000 | $4.99 | $49.90K | 11,638 |
| Jarrod Longcor Chief Operating Officer | Jul 2, 2025 | Buy | +10,000 | $4.99 | $49.90K | 12,768 |
| Chad J. Kolean Chief Financial Officer | Jul 2, 2025 | Buy | +5,000 | $4.99 | $24.95K | 6,418 |
| Jarrod Longcor Chief Operating Officer | Jan 10, 2025 | Buy | +30,000 | $0.28 | $8.40K | 83,141 |
| Darrell Shane Lea Chief Commercial Officer | Dec 8, 2023 | Award | +39,599 | – | – | 39,599 |
| James V. Caruso President and CEO, Director | Dec 8, 2023 | Award | +40,596 | – | – | 49,236 |
| Chad J. Kolean Chief Financial Officer | Dec 8, 2023 | Award | +42,554 | – | – | 42,578 |
| Andrei Shustov Senior Vice President, Medical | Dec 8, 2023 | Award | +47,856 | – | – | 55,038 |
| Jarrod Longcor Chief Operating Officer | Dec 8, 2023 | Award | +42,927 | – | – | 53,141 |
| Douglas J. Swirsky Director | Sep 14, 2021 | Buy | +25,000 | $1.04 | $26.00K | 25,000 |
| Frederick W. Driscoll Director | Sep 3, 2021 | Buy | +19,417 | $1.04 | $20.19K | 19,417 |
| James V. Caruso President and CEO, Director | Mar 4, 2021 | Buy | +5,100 | $1.70 | $8.67K | 86,401 |
| Jarrod Longcor Chief Business Officer | Dec 28, 2020 | Buy | +29,630 | $1.35 | $40.00K | 102,148 |
| James V. Caruso President and CEO, Director | Dec 28, 2020 | Buy | +37,037 | $1.35 | $50.00K | 81,301 |
| Dov Elefant Chief Financial Officer | Dec 28, 2020 | Buy | +7,407 | $1.35 | $10.00K | 11,755 |
| Dov Elefant Chief Financial Officer | Jun 5, 2020 | Buy | +4,348 | $1.15 | $5.00K | 4,348 |
| Jarrod Longcor Chief Business Officer | Jun 5, 2020 | Buy | +65,218 | $1.15 | $75.00K | 72,518 |
| James V. Caruso President and CEO, Director | Jun 5, 2020 | Buy | +21,740 | $1.15 | $25.00K | 44,264 |
| Stephen A. Hill Director | Jun 4, 2020 | Buy | +18,000 | $1.08 | $19.44K | 18,000 |
| James V. Caruso President and CEO, Director | Feb 3, 2020 | Award | +100,000 | $2.71 | $271.00K | 100,000 |
| Dov Elefant Chief Financial Officer | Feb 3, 2020 | Award | +10,000 | $2.71 | $27.10K | 10,000 |
| Jarrod Longcor Chief Business Officer | Feb 3, 2020 | Award | +40,000 | $2.71 | $108.40K | 40,000 |
| Jarrod Longcor Chief Business Officer | Feb 28, 2019 | Buy | +100 | $2.00 | $200 | 7,300 |
| James V. Caruso President and CEO, Director | Nov 30, 2018 | Buy | +1,000 | $2.28 | $2.28K | 22,354 |
| Stephen A. Hill Director | Nov 29, 2018 | Sale | −939 | $2.21 | $2.08K | 53 |
| Stephen A. Hill Director | Nov 29, 2018 | Sale | −53 | $2.21 | $117 | 0 |
| Jarrod Longcor Chief Business Officer | Aug 16, 2018 | Buy | +500 | $2.71 | $1.36K | 7,200 |
| Jarrod Longcor Chief Business Officer | Mar 13, 2018 | Sale(10b5-1 plan) | −13,000 | $1.18 | $15.34K | 67,000 |
| James V. Caruso President and CEO, Director | Mar 12, 2018 | Sale(10b5-1 plan) | −34,000 | $1.20 | $40.80K | 213,548 |
| John Neis Director | Nov 14, 2017 | Sale | −5,214 | $1.49 | $7.77K | 626,103 |
| James V. Caruso President and CEO, Director | Apr 18, 2017 | Award | +200,000 | – | – | 247,548 |
| Jarrod Longcor Sr. VP of Corp Dev & Ops | Apr 18, 2017 | Award | +80,000 | – | – | 80,000 |
| Chad J. Kolean VP, Chief Financial Officer | Apr 18, 2017 | Award | +80,000 | – | – | 80,000 |
| John E. Friend II VP, Chief Medical Officer | Apr 17, 2017 | Award | +100,000 | – | – | 100,000 |
| John Neis Director | Nov 29, 2016 | Buy | +333,333 | $1.49 | $496.67K | 631,317 |
| Richard Hertzberg – | Oct 31, 2016 | Sale | −21,000 | $2.03 | $42.63K | 280,000 |
| Richard Hertzberg – | Apr 21, 2016 | Buy | +3,758 | $1.90 | $7.14K | 301,000 |
| James V. Caruso President and CEO, Director | Apr 20, 2016 | Buy | +46,948 | $2.12 | $99.53K | 47,548 |
| Paul L. Berns Director | Apr 20, 2016 | Buy | +117,371 | $2.12 | $248.83K | 117,371 |
| John Neis Director | Apr 20, 2016 | Buy | +234,742 | $2.12 | $497.65K | 297,984 |
| Stephen A. Hill Director | Apr 20, 2016 | Buy | +9,390 | $2.12 | $19.91K | 9,920 |
| Richard Hertzberg – | Apr 15, 2016 | Buy | +234,742 | $2.12 | $497.65K | 297,242 |
| AWM Investment Company, Inc. 10% owner | Dec 31, 2015 | Sale | −35,253 | $0.70 | $24.68K | 0 |
| AWM Investment Company, Inc. 10% owner | Dec 30, 2015 | Sale | −64,747 | $0.69 | $44.68K | 35,253 |
| AWM Investment Company, Inc. 10% owner | Dec 29, 2015 | Sale | −82,847 | $0.69 | $57.16K | 100,000 |
| Richard Hertzberg 10% owner | Dec 28, 2015 | Buy | +75,000 | $0.72 | $54.00K | 75,000 |
| AWM Investment Company, Inc. 10% owner | Dec 28, 2015 | Sale | −150,975 | $0.69 | $104.17K | 182,847 |
| Richard Hertzberg 10% owner | Dec 24, 2015 | Buy | +50,000 | $0.79 | $39.50K | 50,000 |
| AWM Investment Company, Inc. 10% owner | Dec 24, 2015 | Sale | −216,991 | $0.76 | $164.91K | 333,822 |
| Richard Hertzberg 10% owner | Dec 22, 2015 | Buy | +5,000 | $0.91 | $4.55K | 5,000 |
| AWM Investment Company, Inc. 10% owner | Dec 22, 2015 | Sale | −7,938 | $0.90 | $7.14K | 550,813 |
| AWM Investment Company, Inc. 10% owner | Dec 21, 2015 | Sale | −20,621 | $0.92 | $18.97K | 558,751 |
| AWM Investment Company, Inc. 10% owner | Dec 18, 2015 | Sale | −7,000 | $0.90 | $6.30K | 579,372 |
| AWM Investment Company, Inc. 10% owner | Dec 17, 2015 | Sale | −18,240 | $0.88 | $16.05K | 586,372 |
| Richard Hertzberg 10% owner | Dec 16, 2015 | Buy | +19,592 | $0.91 | $17.83K | 19,592 |
| AWM Investment Company, Inc. 10% owner | Dec 16, 2015 | Sale | −52,985 | $0.86 | $45.57K | 604,612 |
| AWM Investment Company, Inc. 10% owner | Dec 15, 2015 | Sale | −44,965 | $0.82 | $36.87K | 657,597 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.