Cellectar BiosciencesCLRB

13F holders, Q1 2026 (March 31)
19holders −1
1new positions
4sold out
$2.62avg. 13F price*

At the end of Q1 2026, 19 institutions reported holding Cellectar Biosciences Inc. (CLRB) in their 13F filings, down 1 from Q4 2025. 1 opened new positions and 4 sold out. The largest holders were Bleichroeder LP ($254K), Vanguard Capital Management LLC ($208K) and Geode Capital Management, LLC ($134K).

Company
Cellectar Biosciences Inc.
CUSIP
15117F880
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q2 2025: 19Q2 2025Q3 2025: 21Q3 2025Q4 2025: 20Q4 2025Q1 2026: 19Q1 2026Q2 2026: 29Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions1$25
Exits4$206K

All 13F filers, Q4 2025 → Q1 2026: 31,201 shares bought and 77,219 shares sold, net −46,018 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 19 holders

Bleichroeder LP 0.04% No change 100,000 $254K
Vanguard Capital Management LLC 0.00% — 81,884 $208K
Geode Capital Management, LLC 0.00% Add +84.3% 52,778 $134K
Riverview Capital Advisers, LLC 0.02% No change 10,384 $50K
Sequoia Financial Advisors, LLC 0.00% Reduce -25.6% 18,850 $48K
Vanguard Fiduciary Trust Co. 0.00% — 16,573 $42K
Warberg Asset Management LLC 0.07% No change 13,900 $35K
UBS Group AG 0.00% Add +271.3% 9,647 $25K
BlackRock, Inc. 0.00% No change 4,745 $12K
Tower Research Capital LLC (TRC) 0.00% Reduce -56.7% 793 $2K
Vanguard Global Advisers, LLC 0.00% — 563 $1K
Morgan Stanley 0.00% No change 510 $1K
TD Waterhouse Canada Inc. 0.00% No change 63 $154
SBI Securities Co., Ltd. 0.00% No change 11 $28
FMR LLC 0.00% New 10 $25
US Bancorp \de 0.00% No change 3 $8
Jones Financial Companies LLLP 0.00% No change 3 $8
Danske Bank A/S 0.00% No change 2 $5
Osaic Holdings, Inc. 0.00% Reduce -85.7% 1 $2

"% of holder's portfolio" is CLRB's weight in each manager's 13F, not the share of Cellectar Biosciences Inc. the manager owns.