# CASTOR MARITIME INC COM COM

CASTOR MARITIME INC COM COM is a security (CUSIP Y1146L208) tracked across SEC portfolio filings. 24 institutional managers reported $871K on Form 13F as of 2026-06-30.

## Summary

- Issuer: CASTOR MARITIME INC COM
- Class: COM
- CUSIP: Y1146L208
- 13F holders: 24
- 13F value: $871K
- 13F period: 2026-06-30
- N-PORT fund positions: 0

## Top institutional holders (Form 13F)

_Showing 15 of 24 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| TOWERVIEW LLC | NEW YORK, NY | $504K | 240,000 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $137K | 73,869 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $69K | — |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $44K | — |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $39K | 21,081 |
| [Apriem Advisors](https://search.stillhousedata.com/firm/108188) | IRVINE, CA | $35K | 19,000 |
| [Centiva Capital, LP](https://search.stillhousedata.com/firm/286299) | New York, NY | $21K | 11,089 |
| [SIMPLEX TRADING, LLC](https://search.stillhousedata.com/firm/153585) | CHICAGO, IL | $11K | 5,878 |
| TD Waterhouse Canada Inc. | TORONTO, A6 | $6K | 2,800 |
| UBS Group AG | Zurich, V8 | $4K | 2,227 |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $1K | 671 |
| MORGAN STANLEY | NEW YORK, NY | $470 | 254 |
| SBI Securities Co., Ltd. | TOKYO, M0 | $212 | 101 |
| [WOLFF WIESE MAGANA LLC](https://search.stillhousedata.com/firm/157620) | CARSLBAD, CA | $42 | 20 |
| Allworth Financial LP | FOLSOM, CA | $37 | 20 |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/Y1146L208.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.