CELLECTAR BIOSCIENCES INC (CLRB) Institutional Ownership Changes & 13F Activity
CELLECTAR BIOSCIENCES INC (CLRB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Caligan Partners Lp, Stempoint Capital Lp, Silverarc Capital Management, Llc, Vanguard Capital Management Llc, and Balyasny Asset Management L.P..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, Llc | Buy | +219,998 | — | 219,998 | $611.59K | Q2 2026 | Aug 19, 2026 |
| Stonepine Capital Management, Llc | Buy | +104,550 | — | 104,550 | $290.65K | Q2 2026 | Aug 17, 2026 |
| Caligan Partners Lp | Buy | +469,998 | — | 469,998 | $1.31M | Q2 2026 | Aug 14, 2026 |
| Stempoint Capital Lp | Buy | +354,938 | — | 354,938 | $986.73K | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +220,000 | — | 220,000 | $611.60K | Q2 2026 | Aug 14, 2026 |
| Diadema Partners Lp | Buy | +138,341 | — | 138,341 | $384.59K | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Buy | +85,069 | — | 85,069 | $236.49K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +561 | — | 561 | $1.56K | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Buy | +6 | +600.0% | 7 | $18.00 | Q2 2026 | Aug 14, 2026 |
| Silverarc Capital Management, Llc | Buy | +321,728 | — | 321,728 | $894.40K | Q2 2026 | Aug 13, 2026 |
| Vanguard Capital Management Llc | Buy | +245,483 | +299.8% | 327,367 | $910.08K | Q2 2026 | Aug 13, 2026 |
| Bleichroeder Lp | Buy | +188,679 | +188.7% | 288,679 | $802.53K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +29,647 | +178.9% | 46,220 | $128.49K | Q2 2026 | Aug 13, 2026 |
| Acadian Asset Management Llc | Buy | +16,577 | — | 16,577 | $46.00K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +14,839 | — | 14,839 | $41.25K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -6,554 | -67.9% | 3,093 | $8.60K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Buy | +573 | +1.1% | 53,351 | $148.32K | Q2 2026 | Aug 12, 2026 |
| Empery Asset Management, Lp | Buy | +189,605 | — | 189,605 | $527.10K | Q2 2026 | Aug 11, 2026 |
| Persistent Asset Partners Ltd | Buy | +92,983 | — | 92,983 | $258.49K | Q2 2026 | Aug 07, 2026 |
| Blackrock, Inc. | Sell | -10 | -0.2% | 4,735 | $13.16K | Q2 2026 | Aug 07, 2026 |
| Sequoia Financial Advisors | Buy | +3,000 | +15.9% | 21,850 | $60.74K | Q2 2026 | Jul 17, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -793 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Fmr Llc | Sell | -10 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Vanguard Global Advisers, Llc | Sell | -563 | -100.0% | 0 | $0.00 | Q2 2026 | May 08, 2026 |
| Warberg Asset Management Llc | Sell | -13,900 | -100.0% | 0 | $0.00 | Q2 2026 | May 07, 2026 |
Frequently asked questions about CLRB activity
Which institutional owners are buying CLRB?
Institutional owners buying CLRB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in CLRB activity?
"Buy" means an investor increased their reported position in CLRB compared to the prior reporting period. This reflects growing exposure to CELLECTAR BIOSCIENCES INC (CLRB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in CLRB increasing?
Institutional interest in CLRB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.