Cellectar Biosciences (CLRB)
Develops targeted radiotherapeutics for cancer through a phospholipid drug conjugate platform.
$2.21
vs last close−0.02 (−1.08%)
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13F · 13D/G · Form 4
| Institutions | 40.80% | 3.26M shares | |
|---|---|---|---|
| 29 holders · as of Jun 30, 2026 | |||
| Insiders | 0.59% | 47.2K shares | |
| 4 holders · as of May 11, 2026 | |||
| Strategic holders | 9.99% | 798.4K shares | |
| 1 holder · as of Jun 5, 2026 | |||
| Other | 48.62% | 3.88M shares | |
| remainder | |||
7.99M company shares as of Aug 26, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Two share counts disagree (9.45M in the company's Sep 23, 2026 report, 7.99M elsewhere); stakes use the report.
13F, as of Jun 30, 2026
29 holders · 3.26M shares · 14 new positions · 20 increased · 2 reduced · 4 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Caligan Partners LP | 470.0K | 5.88% | +470.0Knew | Aug 14, 2026 |
| Stempoint Capital LP | 354.9K | 4.44% | +354.9Knew | Aug 14, 2026 |
| Vanguard Capital Management LLC | 327.4K | 4.10% | +245.5K | Aug 13, 2026 |
| Silverarc Capital Management, LLC | 321.7K | 4.03% | +321.7Knew | Aug 13, 2026 |
| Bleichroeder LP | 288.7K | 3.61% | +188.7K | Aug 13, 2026 |
| Jupiter Topco LLC | 274.2K | 3.43% | +274.2Knew | Aug 14, 2026 |
| Balyasny Asset Management L.P. | 220.0K | 2.75% | +220.0Knew | Aug 14, 2026 |
| Nantahala Capital Management, LLC | 220.0K | 2.75% | +220.0Knew | Aug 19, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Balyasny Asset Management L.P. | 9.99% | 798.4K | 13G | Aug 14, 2026 |
| SilverArc Capital Management, LLC | 9.99% | 851.3K | 13G | Aug 14, 2026 |
| Bleichroeder LP | 9.99% | 808.3K | 13G | Aug 13, 2026 |
| Empery Asset Management, LP | 9.99% | 864.1K | 13G | Aug 4, 2026 |
| Janus Henderson Group PLC | 9.99% | 798.4K | 13G | Jun 5, 2026 |
| StemPoint Capital LP | 9.90% | 845.7K | 13G | Aug 14, 2026 |
| Stonepine Capital Management, LLC | 9.90% | 863.3K | 13G | May 11, 2026 |
| Lytton Laurence W | 8.80% | 13G | Feb 13, 2025 | |
| Caligan Partners LP | 5.90% | 470.0K | 13G | Aug 14, 2026 |
| Nantahala Capital Management, LLC | 5.73% | 13G | Feb 14, 2025 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| May 7, 2026 | James V. Carusodirector, officer: Chief Executive Officer | Purchase · 2 lots | 34,720 | $2.88 | 56,394 |
| May 7, 2026 | Jarrod Longcorofficer: Chief Operating Officer | Purchase · 2 lots | 34,720 | $2.88 | 56,600 |
| Dec 12, 2025 | John Neisdirector | Sale | 198 | $3.70 | 10 |
House and Senate disclosures
Not reported.