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.
| 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 | WOLFF WIESE MAGANA LLC | $42 | 20 | Hold |
| 17 | OSAIC HOLDINGS, INC. | $42 | 20 | New |
| 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 |
Source: SEC Form 13F filings · as of 2026-06-30