Companies: 10,795·Total market cap: $144.5T
AltC Acquisition Corp.

AltC Acquisition Corp.

ALCCNYSEFinancial Services
$18.23
+$3.06(+20.17%)
Market Cap$785709299
P/E Ratio
52W High$18.8
52W Low$10.27

AltC Acquisition Corp. (ALCC) Shares Outstanding — Overview

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

ALCC · shares outstanding · updated Jun 9, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
146.4M +47.96% YoY Change
FY · as of Dec 31, 2025 · Reported in USD
vs 98.9M in FY 2024
Diluted Shares Outstanding
146.4M
incl. options, RSUs, convertibles
Dilution Spread
+0.00%
Diluted vs Basic
YoY Change
+47.96%
year-over-year
Float (Free Float)
15.4M
publicly tradable shares
35.6% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-09

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+118.9%
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: 146.4M
146.4M
+47.96%
FY 2024
Diluted Shares: 98.9M
98.9M
+609.03%
FY 2023
Diluted Shares: 59.4M
13.9M
+0.00%
FY 2022
Diluted Shares: 64.0M
13.9M
-78.19%
FY 2021
Diluted Shares: 64.0M
64.0M
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Financial Services sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Financial Services sector.

#SymbolCompanyShares (Basic)vs ALCC
#1
Bank of America CorporationBAC
Bank of America Corporation
7.365B+>999%
#2
JPMorgan Chase & Co.JPM
JPMorgan Chase & Co.
2.789B+>999%
#3
Berkshire Hathaway Inc.BRK-B
Berkshire Hathaway Inc.
2.157B+>999%
#4
Visa Inc.V
Visa Inc.
1.942B+>999%
#5
Mastercard IncorporatedMA
Mastercard Incorporated
897.0M+512.9%
#6
AltC Acquisition Corp.ALCC
AltC Acquisition Corp.YOU
146.4M
#7
Berkshire Hathaway Inc.BRK-A
Berkshire Hathaway Inc.
1.4M-99.0%

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

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

AltC Acquisition Corp. (ALCC) 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, AltC Acquisition Corp. reports 146.4M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

AltC Acquisition Corp.'s basic shares outstanding (146.4M) represents currently issued shares. Diluted shares outstanding (146.4M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.00%.

Shares Outstanding vs. Float (Free Float)

AltC Acquisition Corp.'s float is 15.4M (35.6% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float15.4M(35.6%)
Outstanding43.1M

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

AltC Acquisition Corp. (ALCC) 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.

AltC Acquisition Corp. shares outstanding for the fiscal year ending December 31, 2025 were 146.4M, a 47.96% increase year-over-year. AltC Acquisition Corp. FY 2025 shares outstanding were 146.4M, a +47.96% increase from FY 2024.

AltC Acquisition Corp. is a leading company operating in the Financial Services 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.

Frequently asked questions

ALCC shares outstanding · 4 questions

As of December 31, 2025, AltC Acquisition Corp. (ALCC) has approximately 146.4M basic shares outstanding and 146.4M diluted shares outstanding. This represents a +47.96% year-over-year increase from FY 2024 (98.9M). The increase may reflect equity compensation issuances or secondary offerings.

ALCC shares outstandinghow many shares does ALCC haveALCC basic shares 2025ALCC diluted shares

Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · AltC Acquisition Corp. SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-09