Who Owns CASTOR MARITIME INC (CTRM)? -- Institutional Holders (2026-06-30)

27 institutions reported holding $1.1M of CASTOR MARITIME INC (CTRM) in SEC 13F filings for 2026-06-30. Largest institutional holders: TOWERVIEW LLC ($504,000), RENAISSANCE TECHNOLOGIES LLC ($136,116), CITADEL ADVISORS LLC ($96,056), GROUP ONE TRADING LLC ($76,015), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($57,387). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	TOWERVIEW LLC	$504,000	240,000	Hold
2	RENAISSANCE TECHNOLOGIES LLC	$136,116	64,817	Trimmed
3	CITADEL ADVISORS LLC	$96,056	45,960	Added
4	GROUP ONE TRADING LLC	$76,015	36,371	Trimmed
5	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$57,387	27,458	Added
6	NewEdge Advisors, LLC	$46,016	21,912	New
7	GOLDMAN SACHS GROUP INC	$44,524	21,202	Added
8	Apriem Advisors	$39,900	19,000	Hold
9	Centiva Capital, LP	$25,598	12,248	Added
10	SIMPLEX TRADING, LLC	$18,711	8,910	Trimmed
11	TD Waterhouse Canada Inc.	$5,886	2,800	New
12	MORGAN STANLEY	$533	254	Hold
13	SBI Securities Co., Ltd.	$212	101	Hold
14	JONES FINANCIAL COMPANIES LLLP	$53	25	New
15	Allworth Financial LP	$42	20	Hold
16	OSAIC HOLDINGS, INC.	$42	20	New
17	WOLFF WIESE MAGANA LLC	$42	20	Hold
18	Caitong International Asset Management Co., Ltd	$34	16	Added
19	Farther Finance Advisors, LLC	$32	15	Hold
20	Parallel Advisors, LLC	$21	10	Hold
21	Federation des caisses Desjardins du Quebec	$21	10	Hold
22	GILL CAPITAL PARTNERS, LLC	$13	6	Hold
23	Cape Investment Advisory, Inc.	$8	4	New
24	Russell Investments Group, Ltd.	$2	1	Hold
25	Steward Partners Investment Advisory, LLC	$2	1	New

来源：SEC 13F 申报文件 · 截至 2026-06-30