Companies: 10,795·Total market cap: $144.5T
C3is Inc.

C3is Inc.

CISSNASDAQIndustrials● Active
$2.12
$-0.02(-0.93%)
Market Cap$374029
P/E Ratio—
52W High$831.6
52W Low$1.9
Shares OutstandingFinancialsRevenue

C3is Inc. (CISS) Shares Outstanding — Overview

Basic and diluted weighted average shares, YoY change, float context, and historical trend from SEC filings and FMP.

CISS · shares outstanding · updated Jun 10, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
12,852▲ +472.47% YoY Change
FY · as of Dec 31, 2025 · Reported in USD
vs 2,245 in FY 2024
Diluted Shares Outstanding
50,007
incl. options, RSUs, convertibles
Dilution Spread
+289.10%
Diluted vs Basic
YoY Change
+472.47%
year-over-year
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-10

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+849.8%
2022 → 2025
5-Year CAGR—
—
—
10-Year CAGR—
—
—
ⓘ

Negative CAGR typically indicates share buyback or retirement activity. Interpret alongside Splits and Financials tabs. Splits / Financials

Shares outstanding history

↓ Decrease — typically buyback / retirement
↑ Increase — issuance / equity compensation
Latest
* most recent reported · FMP /income-statement · weightedAverageShsOut

Annual shares outstanding by year

FY 2025Latest
Diluted Shares: 50,007
12,852
+472.47%
FY 2024
Diluted Shares: 2,245
2,245
+5292.75%
FY 2023
Diluted Shares: 41.63
41.63
+177.53%
FY 2022
Diluted Shares: 15
15
+2.29%
FY 2021
Diluted Shares: 14.664
14.664
—
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Industrials sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Industrials sector.

#SymbolCompanyShares (Basic)vs CISS
#1
RTX CorporationRTX
RTX Corporation
1.341B+>999%
#2
GE AerospaceGE
GE Aerospace
1.067B+>999%
#3
The Boeing CompanyBA
The Boeing Company
762.3M+>999%
#4
Union Pacific CorporationUNP
Union Pacific Corporation
592.5M+>999%
#5
Caterpillar Inc.CAT
Caterpillar Inc.
466.5M+>999%
#6
Eaton Corporation plcETN
Eaton Corporation plc
388.2M+>999%
#7
C3is Inc.CISS
C3is Inc.YOU
12,852—

/company-screener · per-peer /income-statement · cache 86400s

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

C3is Inc. (CISS) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2025, C3is Inc. reports 12,852 basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

C3is Inc.'s basic shares outstanding (12,852) represents currently issued shares. Diluted shares outstanding (50,007) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +289.10%.

Shares Outstanding vs. Float (Free Float)

C3is Inc.'s float is — (— of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

ⓘ Float data from /shares-float reflects the most recent SEC filing period-end. The weighted average shares (from /income-statement) may differ — this is a normal reporting window difference, not a data error.

FMP /income-statement · /shares-float · SEC EDGAR · USD

About shares outstanding & methodology

C3is Inc. (CISS) shares outstanding history from 2021 to 2025. Shares outstanding can be defined as the total number of shares held by all shareholders — including institutional investors, retail investors, and company insiders — assuming conversion of all convertible debt, securities, warrants, and options. This metric excludes the company's treasury shares.

C3is Inc. shares outstanding for the fiscal year ending December 31, 2025 were 12,852, a 472.47% increase year-over-year. C3is Inc. FY 2025 shares outstanding were 12,852, a +472.47% increase from FY 2024.

C3is Inc. is a leading company operating in the Industrials sector. The company's share count trajectory — with a 10-year CAGR of — — is a key signal for investors evaluating capital return policy, EPS accretion, and long-term shareholder value creation.

Figures tie to SEC 10-K/10-Q income statement disclosures and FMP /income-statement · /shares-float where noted.
Market capSplitsEarningsFinancials (Income)Cash on handFree cash flowNet incomePrice history

Frequently asked questions

CISS shares outstanding · 4 questions

As of December 31, 2025, C3is Inc. (CISS) has approximately 12,852 basic shares outstanding and 50,007 diluted shares outstanding. This represents a +472.47% year-over-year increase from FY 2024 (2,245). The increase may reflect equity compensation issuances or secondary offerings.

CISS shares outstandinghow many shares does CISS haveCISS basic shares 2025CISS diluted shares

▸ Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · C3is Inc. SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-10