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

27 institutions reported holding $1.1M of CASTOR MARITIME INC COM (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.

RankInstitutionValueSharesChange
1TOWERVIEW LLC$504,000240,000Hold
2RENAISSANCE TECHNOLOGIES LLC$136,11664,817Trimmed
3CITADEL ADVISORS LLC$96,05645,960Added
4GROUP ONE TRADING LLC$76,01536,371Trimmed
5SUSQUEHANNA INTERNATIONAL GROUP, LLP$57,38727,458Added
6NewEdge Advisors, LLC$46,01621,912New
7GOLDMAN SACHS GROUP INC$44,52421,202Added
8Apriem Advisors$39,90019,000Hold
9Centiva Capital, LP$25,59812,248Added
10SIMPLEX TRADING, LLC$18,7118,910Trimmed
11TD Waterhouse Canada Inc.$5,8862,800New
12MORGAN STANLEY$533254Hold
13SBI Securities Co., Ltd.$212101Hold
14JONES FINANCIAL COMPANIES LLLP$5325New
15Allworth Financial LP$4220Hold
16WOLFF WIESE MAGANA LLC$4220Hold
17OSAIC HOLDINGS, INC.$4220New
18Caitong International Asset Management Co., Ltd$3416Added
19Farther Finance Advisors, LLC$3215Hold
20Parallel Advisors, LLC$2110Hold
21Federation des caisses Desjardins du Quebec$2110Hold
22GILL CAPITAL PARTNERS, LLC$136Hold
23Cape Investment Advisory, Inc.$84New
24Russell Investments Group, Ltd.$21Hold
25Steward Partners Investment Advisory, LLC$21New

Source: SEC Form 13F filings · as of 2026-06-30