---
title: "C3is plunges 32% during regular trading after early surge on institutional stake disclosures"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294988478.md"
description: "C3is dropped 32% to $0.12 in regular trading after surging 57% premarket on SEC filings showing new institutional stakes."
datetime: "2026-08-05T15:30:49.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294988478.md)
  - [en](https://longbridge.com/en/news/294988478.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294988478.md)
generator: "portal-rs"
---

# C3is plunges 32% during regular trading after early surge on institutional stake disclosures

C3is(CISS.US) 盘中出现 5 分钟内急跌超 3% 及急跌超 5% 信号，当日累跌**32.92%**，现报**0.1171 美元**。

消息面上，SEC 文件显示 Alta Partners LLC 已购入 C3is 约**8.2%**仓位，CVI Investments Inc.亦披露持有**9.9%**股份。受此提振，该股盘前一度涨超**57%**，盘中交投活跃，成交量达超**5 亿股**，随后出现快速回落。

### 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)

---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**