Companies: 10,795·Total market cap: $144.5T
ASP Isotopes Inc. Common Stock

ASP Isotopes Inc. Common Stock

ASPINASDAQBasic Materials● Active
$6.83
+$0.12(+1.79%)
Market Cap$567556335
P/E Ratio
52W High$14.49
52W Low$3.92

ASP Isotopes Inc. Common Stock (ASPI) Shares Outstanding — Overview

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

ASPI · shares outstanding · updated Jun 8, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
83.0M +49.11% YoY Change
FY · as of Dec 31, 2025 · Reported in USD
vs 55.7M in FY 2024
Diluted Shares Outstanding
83.0M
incl. options, RSUs, convertibles
Dilution Spread
+0.00%
Diluted vs Basic
YoY Change
+49.11%
year-over-year
Float (Free Float)
67.1M
publicly tradable shares
80.8% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-08

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+32.2%
2022 → 2025
5-Year CAGRincreasing
+19.3%
2019 → 2025
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: 83.0M
83.0M
+49.11%
FY 2024
Diluted Shares: 55.7M
55.7M
+68.36%
FY 2023
Diluted Shares: 33.1M
33.1M
-7.91%
FY 2022
Diluted Shares: 35.9M
35.9M
+4.51%
FY 2021
Diluted Shares: 34.4M
34.4M
+0.00%
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Basic Materials sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Basic Materials sector.

#SymbolCompanyShares (Basic)vs ASPI
#1
BHP Group LimitedBHP
BHP Group Limited
2.537B+>999%
#2
Rio Tinto GroupRIO
Rio Tinto Group
1.624B+>999%
#3
Freeport-McMoRan Inc.FCX
Freeport-McMoRan Inc.
1.443B+>999%
#4
Newmont CorporationNEM
Newmont Corporation
1.106B+>999%
#5
Southern Copper CorporationSCCO
Southern Copper Corporation
838.2M+909.7%
#6
Linde plcLIN
Linde plc
466.2M+461.7%
#7
ASP Isotopes Inc. Common StockASPI
ASP Isotopes Inc. Common StockYOU
83.0M

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

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

ASP Isotopes Inc. Common Stock (ASPI) 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, ASP Isotopes Inc. Common Stock reports 83.0M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

ASP Isotopes Inc. Common Stock's basic shares outstanding (83.0M) represents currently issued shares. Diluted shares outstanding (83.0M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.00%.

Shares Outstanding vs. Float (Free Float)

ASP Isotopes Inc. Common Stock's float is 67.1M (80.8% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float67.1M(80.8%)
Outstanding83.1M

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

ASP Isotopes Inc. Common Stock (ASPI) shares outstanding history from 2019 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.

ASP Isotopes Inc. Common Stock shares outstanding for the fiscal year ending December 31, 2025 were 83.0M, a 49.11% increase year-over-year. ASP Isotopes Inc. Common Stock FY 2025 shares outstanding were 83.0M, a +49.11% increase from FY 2024.

ASP Isotopes Inc. Common Stock is a leading company operating in the Basic Materials 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

ASPI shares outstanding · 4 questions

As of December 31, 2025, ASP Isotopes Inc. Common Stock (ASPI) has approximately 83.0M basic shares outstanding and 83.0M diluted shares outstanding. This represents a +49.11% year-over-year increase from FY 2024 (55.7M). The increase may reflect equity compensation issuances or secondary offerings.

ASPI shares outstandinghow many shares does ASPI haveASPI basic shares 2025ASPI diluted shares

Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · ASP Isotopes Inc. Common Stock SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-08