| 4 | SILVERARC CAPITAL MANAGEMENT, LLC | 322K | $894K | — | 2.630% | 0.09% |
| 5 | Bleichroeder LP | 289K | $803K | +188.7% | 2.360% | 0.14% |
| 6 | Jupiter Topco LLC | 274K | $759K | — | 2.241% | 0.00% |
| 7 | BALYASNY ASSET MANAGEMENT L.P. | 220K | $612K | — | 1.799% | 0.00% |
| 8 | Nantahala Capital Management, LLC | 220K | $612K | — | 1.799% | 0.01% |
| 9 | Empery Asset Management, LP | 190K | $527K | — | 1.550% | 0.61% |
| 10 | DIADEMA PARTNERS LP | 138K | $385K | — | 1.131% | 0.05% |
| 11 | Stonepine Capital Management, LLC | 105K | $291K | — | 0.855% | 0.07% |
| 12 | Persistent Asset Partners Ltd | 93K | $258K | — | 0.760% | 0.08% |
| 13 | BOOTHBAY FUND MANAGEMENT, LLC | 85K | $236K | — | 0.696% | 0.00% |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 53K | $148K | +1.1% | 0.436% | 0.00% |
| 15 | VANGUARD FIDUCIARY TRUST CO | 46K | $128K | +178.9% | 0.378% | 0.00% |
| 16 | Sequoia Financial Advisors, LLC | 22K | $61K | +15.9% | 0.179% | 0.00% |
| 17 | Riverview Capital Advisers, LLC | 10K | $50K | 0.0% | 0.085% | 0.01% |
| 18 | NORTHERN TRUST CORP | 15K | $41K | — | 0.121% | 0.00% |
| 19 | BlackRock, Inc. | 5K | $13K | -0.2% | 0.039% | 0.00% |
| 20 | UBS Group AG | 3K | $9K | -67.9% | 0.025% | 0.00% |
| 21 | BARCLAYS PLC | 561 | $2K | — | 0.005% | 0.00% |
| 22 | MORGAN STANLEY | 510 | $1K | 0.0% | 0.004% | 0.00% |
| 23 | TD Waterhouse Canada Inc. | 63 | $178 | 0.0% | 0.001% | 0.00% |
| 24 | ACADIAN ASSET MANAGEMENT LLC | 17K | $46 | — | 0.136% | 0.00% |
| 25 | SBI Securities Co., Ltd. | 11 | $31 | 0.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CLRB — a direct measure of their conviction.
| 0.01% |
| 5.60 pp |
| $0M |
| 100% |
| Q2 2021 | 44 | 2.2% | 5.61% | +4.92 pp | $245M | +504% |
| Q1 2021 | 45 | — | 0.69% | — | $41M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
13 institutions opened new positions in CLRB during Q2 2026, while 4 fully exited. 11 added to existing positions and 1 trimmed.
CLRB institutional ownership rose by 21.71 percentage points quarter-over-quarter, with a net change of +10 holders.
The top 10 institutions account for 86.3% of all reported 13F value in CLRB, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Cellectar Biosciences, Inc. (CLRB) Institutional Ownership