Cellectar Biosciences Ownership | Who Owns Cellectar Biosciences?

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Cellectar Biosciences Ownership Summary

Cellectar Biosciences is owned by 7.33% institutional investors, 2.29% insiders, and 90.38% retail investors. Bleichroeder lp is the largest institutional shareholder, holding 2.36% of CLRB shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.33% of its assets in Cellectar Biosciences shares.

CLRB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cellectar Biosciences	7.33%	2.29%	90.38%
Sector	Healthcare Stocks	50.59%	12.40%	37.01%
Industry	Biotech Stocks	49.10%	12.14%	38.76%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Bleichroeder lp	100.00K	2.36%	$254.00K
Geode capital management	52.78K	1.24%	$134.06K
Sequoia financial advisors	18.85K	0.44%	$47.88K
Vanguard fiduciary trust	16.57K	0.39%	$42.09K
Riverview capital advisers	10.38K	0.24%	$50.05K
Ubs group	9.65K	0.23%	$24.50K
Blackrock funding, inc. /de	4.75K	0.11%	$12.05K
Morgan stanley	510.00	0.01%	$1.29K
Td waterhouse canada	63.00	0.00%	$154.00
Sbi securities	11.00	0.00%	$28.00

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bleichroeder lp	100.00K	0.04%	$254.00K
Riverview capital advisers	10.38K	0.02%	$50.05K
Sequoia financial advisors	18.85K	0.00%	$47.88K
Drw securities	-	-	-
Tower research capital llc (trc)	-	-	-
Vanguard personalized indexing management	-	-	-
Commonwealth equity services	-	-	-
Two sigma securities	-	-	-
Td waterhouse canada	63.00	-	$154.00
Bfsg	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
Geode capital management	52.78K	-	24.14K
Vanguard fiduciary trust	16.57K	-	16.57K
Ubs group	9.65K	-	7.05K
Td waterhouse canada	63.00	-	-
Us bancorp \de\	3.00	-	-

Top Sellers

Holder	Shares	% Assets	Change
Vanguard group	-	-	-1.72M
Squarepoint ops	-	-	-370.87K
Altium capital management lp	-	-	-215.00K
Simplex trading	-	-	-173.13K
Baader bank aktiengesellschaft	-	-	-172.94K

New Positions

Holder	Shares	% Assets	Change	Value
Vanguard fiduciary trust	16.57K	-	16.57K	$42.09K

Sold Out

Holder	Change
Fmr	-10.00
Allsquare wealth management	-18.00
Harbour investments	-50.00
Jpmorgan chase	-76.00
Enrich financial partners	-102.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	19	-5.00%	310,720	-10.41%	7	4.14%	6	-45.45%	3	200.00%
Dec 31, 2025	20	-9.09%	346,838	-16.76%	13	7.66%	11	-21.43%	1	-66.67%
Sep 30, 2025	1	-	120,497	4679.73%	7	30502.42%	1	-	-	-
Jun 30, 2025	1	-97.06%	2,521	-99.95%	-	0.12%	1	-93.33%	-	-100.00%
Mar 31, 2025	1	-96.88%	40,228	-99.21%	-	0.05%	-	-100.00%	1	-83.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	1.07M	2.33%	-
Vanguard Morn Total Stk Mkt Idx Investor	184.15K	2.30%	133.38K
Vanguard Total Stock Mkt Idx Inv	184.15K	2.30%	133.38K
Vanguard MStar Total Stk Mkt Idx Invest	184.15K	2.23%	-
Vanguard Institutional Extnd Mkt Idx Tr	143.22K	1.74%	-
Fidelity Extended Market Index	42.60K	0.53%	15.62K
Abante Quant Value FI	18.07K	0.23%	-
BlackRock Extended Equity Market K	72.26K	0.20%	-31.00
NT Ext Equity Mkt Idx Fd - L	6.94K	0.16%	-
iShares Micro-Cap ETF	73.44K	0.16%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 07, 2026	Longcor Jarrod	Chief Operating Officer	Buy	$25.00K
May 07, 2026	Longcor Jarrod	Chief Operating Officer	Buy	$75.00K
May 07, 2026	CARUSO JAMES V	Chief Executive Officer	Buy	$75.00K
May 07, 2026	CARUSO JAMES V	Chief Executive Officer	Buy	$25.00K
Dec 12, 2025	NEIS JOHN	-	Sell	$731.99

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	-
2026 Q2	4	-
2025 Q4	-	1
2025 Q3	6	-
2025 Q1	1	-

CLRB Ownership FAQ

Who Owns Cellectar Biosciences?

Cellectar Biosciences shareholders are primarily institutional investors at 7.33%, followed by 2.29% insiders and 90.38% retail investors. The average institutional ownership in Cellectar Biosciences's industry, Biotech Stocks , is 49.10%, which Cellectar Biosciences falls below.

Who owns the most shares of Cellectar Biosciences?

Cellectar Biosciences’s largest shareholders are Bleichroeder lp (100K shares, 2.36%), Geode capital management (52.78K shares, 1.24%), and Sequoia financial advisors (18.85K shares, 0.44%). Together, they hold 4.05% of Cellectar Biosciences’s total shares outstanding.

Does Blackrock own Cellectar Biosciences?

BlackRock is not among the top 10 institutional shareholders of Cellectar Biosciences.

Who is Cellectar Biosciences’s biggest shareholder by percentage of total assets invested?

Bleichroeder lp is Cellectar Biosciences’s biggest shareholder by percentage of total assets invested, with 0.04% of its assets in 100K Cellectar Biosciences shares, valued at 254K$.

Who is the top mutual fund holder of Cellectar Biosciences shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Cellectar Biosciences shares, with 2.33% of its total shares outstanding invested in 1.07M Cellectar Biosciences shares.

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