---
title: "C3is drops 3% in session after soaring 27% to $0.11 on institutional filings"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/295004585.md"
description: "C3is (CISS.US) fell over 3% in 5 minutes after rallying 27% to $0.11 as SEC filings show new stakes."
datetime: "2026-08-05T19:43:20.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/295004585.md)
  - [en](https://longbridge.com/en/news/295004585.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/295004585.md)
---

# C3is drops 3% in session after soaring 27% to $0.11 on institutional filings

C3is(CISS.US) 盘中 5 分钟内急跌超 3%，该股当日累计涨 27.13%，现报 0.112 美元。

SEC 文件显示，Alta Partners LLC 已建立 8.2% 的仓位，CVI Investments Inc.披露持有 9.9% 的股份。该股近期波动剧烈，08/05/2026 盘中一度大涨 62% 至 0.143 美元，随后回落。公司此前于 07/28/2026 完成 600 万美元的注册单位融资，附带可重置 F 类认股权证，行权价介于 0.26 美元至 0.52 美元之间。

### Related Stocks

- [CISS.US](https://longbridge.com/en/quote/CISS.US.md)

## Related News & Research

- [C3is Inc. Launches 1-for-40 Reverse Stock Split to Preserve Nasdaq Listing](https://longbridge.com/en/news/296143177.md)
- [C3is Raises $6 Million in Unit Offering Featuring Resettable Class F Warrants](https://longbridge.com/en/news/294112950.md)