Latest Period
Q1 2026
Security Snapshot
Cellectar Biosciences, Inc. - Common Stock (CLRB) Institutional Ownership
CUSIP: 15117F880
13F Institutional Holders and Ownership History from Q2 2025 to Q1 2026
Institutions Reporting
18
Shares (Excl. Options)
300,336
Price
$2.54
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- Security type / class
- Equity / Common Stock
- Symbol
- CLRB on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 300,336
- Total 13F value
- $762,852
- Portfolio coverage rank
- 0%
- Share change
- -46,018
- Value change
- -$145,445
- Number of holders
- 18
- Shares outstanding
- 7,991,812
- SEC-reported price per share
- $3.14
- Insider filing price
- $3.14
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CLRB - Cellectar Biosciences, Inc. - Common Stock is tracked under CUSIP 15117F880.
- 18 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 19 to 18 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $992,540 to $762,852.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 18 institutions filings for Q1 2026.
Security key
15117F880
Latest holder period
Q1 2026
13F holders
18
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
CLRB full holder history
Cellectar Biosciences, Inc. SEC filings
Cellectar Biosciences, Inc. company facts
Cellectar Biosciences, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 15117F880:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
CLRB
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC | 10% | $2,347,243 | 798,382 | JANUS HENDERSON GROUP PLC | 29 May 2026 | |||
| Hexstone Capital LLC | 4.9% | -12% | $553,293 | +$169,293 | 216,130 | +44% | Hexstone Capital LLC | 31 Dec 2025 |
| Bleichroeder LP | 4.6% | -24% | $760,000 | 200,000 | 0% | Bleichroeder LP | 31 Dec 2025 | |
| INTRACOASTAL CAPITAL, LLC | 5% | 140,101 | Mitchell P. Kopin | 01 Jul 2025 | ||||
| LYTTON LAURENCE W | 1.6% | $250,788 | 51,391 | LYTTON LAURENCE W | 30 Jun 2025 | |||
| Nantahala Capital Management, LLC | 0.06% | $5,412 | 1,109 | Nantahala Capital Management, LLC | 30 Jun 2025 |
As of 31 Mar 2026, 18 institutional investors reported holding 300,336 shares of Cellectar Biosciences, Inc. - Common Stock (CLRB). This represents 3.8% of the company’s total 7,991,812 outstanding shares.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
4
Latest
Q1 2026
Rows shown
1-4 of 4