CASTOR MARITIME INC
CUSIP Y1146L208
Castor Maritime Inc has 17 institutional holders in Filings Flow’s 13F database, together reporting 134.3K shares worth $248,374 as of Q1 2026. The largest reported holders are Towerview LLC, Renaissance Technologies LLC, and Citadel Advisors LLC.
Institutional Holders
17
Q1 2026
Reported Value
$248,374
Ticker
unmapped
private placement or foreign
Quarters Tracked
9
Ownership Trend
Institutional holders
Total reported value
Holders
··Mixed quarters
| Manager | % of Portfolio | Value | Shares | Quarter |
|---|---|---|---|---|
| TOWERVIEW LLC$155M AUM | 0.36% | $496,800 | 240.0K | Q4 2025OLDER |
| RENAISSANCE TECHNOLOGIES LLC$63.9B AUM | 0.00% | $136,658 | 73.9K | Q1 2026 |
| CITADEL ADVISORS LLC$618.5B AUM | 0.00% | $68,635 | 37.1K | Q1 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM | 0.00% | $43,845 | 23.7K | Q1 2026 |
| GOLDMAN SACHS GROUP INC$870.9B AUM | 0.00% | $39,000 | 21.1K | Q1 2026 |
| JANE STREET GROUP, LLC$777.2B AUM | 0.00% | $37,049 | 17.9K | Q4 2025OLDER |
| TWO SIGMA SECURITIES, LLC$861M AUM | 0.00% | $35,805 | 17.3K | Q4 2025OLDER |
| Apriem Advisors$1.0B AUM | 0.00% | $35,150 | 19.0K | Q1 2026 |
| Virtu Financial LLC$2.4B AUM | 0.00% | $25,000 | 11.9K | Q4 2025OLDER |
| WOLVERINE TRADING, LLC$138.7B AUM | 0.00% | $21,715 | 10.1K | Q2 2025OLDER |
| Centiva Capital, LP$13.6B AUM | 0.00% | $20,515 | 11.1K | Q1 2026 |
| SIMPLEX TRADING, LLC$149.1B AUM | 0.00% | $10,874 | 5.9K | Q1 2026 |
| Founders Capital Management$205M AUM | 0.00% | $5,824 | 2.8K | Q3 2025OLDER |
| Garton & Associates Financial Advisors LLC$122M AUM | 0.00% | $4,140 | 2.0K | Q4 2025OLDER |
| UBS Group AG$666.3B AUM | 0.00% | $4,120 | 2.2K | Q1 2026 |
| GROUP ONE TRADING LLC$52.2B AUM | 0.00% | $1,241 | 671 | Q1 2026 |
| Larson Financial Group LLC$3.1B AUM | 0.00% | $499 | 240 | Q3 2025OLDER |
| MORGAN STANLEY$1.67T AUM | 0.00% | $470 | 254 | Q1 2026 |
| Tower Research Capital LLC (TRC)$3.8B AUM | 0.00% | $253 | 122 | Q4 2025OLDER |
| SBI Securities Co., Ltd.$3.6B AUM | 0.00% | $187 | 101 | Q1 2026 |
| Strategic Investment Solutions, Inc. /IL$437M AUM | 0.00% | $43 | 20 | Q2 2025OLDER |
| WOLFF WIESE MAGANA LLC$181M AUM | 0.00% | $37 | 20 | Q1 2026 |
| Allworth Financial LP$24.7B AUM | 0.00% | $37 | 20 | Q1 2026 |
| Farther Finance Advisors, LLC$10.6B AUM | 0.00% | $27 | 15 | Q1 2026 |
| Iron Horse Wealth Management, LLC$339M AUM | 0.00% | $24 | 11 | Q2 2025OLDER |
| Parallel Advisors, LLC$5.6B AUM | 0.00% | $19 | 10 | Q1 2026 |
| Federation des caisses Desjardins du Quebec$27.8B AUM | 0.00% | $19 | 10 | Q1 2026 |
| JONES FINANCIAL COMPANIES LLLP$208.1B AUM | 0.00% | $12 | 6 | Q4 2025OLDER |
| GILL CAPITAL PARTNERS, LLC$348M AUM | 0.00% | $11 | 6 | Q1 2026 |
| Cape Investment Advisory, Inc.$301M AUM | 0.00% | $8 | 4 | Q4 2025OLDER |
| Caitong International Asset Management Co., Ltd$541M AUM | 0.00% | $7 | 4 | Q1 2026 |
| Navalign, LLC$396M AUM | 0.00% | $2 | 1 | Q4 2025OLDER |
| Russell Investments Group, Ltd.$93.1B AUM | 0.00% | $2 | 1 | Q1 2026 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM | — | $0 | 0 | Q2 2025OLDER |
Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.