# C3IS INC (CISSXXXX)

> Institutional ownership reported to the SEC as of Q4 2024, from Form 13F filings. Source: https://holderbook.com/stocks/CISSXXXX/

- Reporting holders: 6
- Reported value: $253.4K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [TOWERVIEW LLC](https://holderbook.com/funds/1166573-towerview-llc/) | $185.5K | 325,000 | 0.1% | 3 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $28.1K | 49,206 | 0.0% | 3 |
| [ACADIAN ASSET MANAGEMENT LLC](https://holderbook.com/funds/916542-acadian-asset-management-llc/) | $23.0K | 40,633 | 0.0% | 3 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $16.8K | 29,423 | 0.0% | 1 |
| [Estabrook Capital Management](https://holderbook.com/funds/1344717-estabrook-capital-management/) | $11 | 19 | 0.0% | 3 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $1 | 1 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q4 2024 | 6 | $253.4K |
| Q3 2024 | 6 | $251.1K |
| Q2 2024 | 7 | $435.8K |