Companies: 10,795·Total market cap: $144.5T
Altra Industrial Motion Corp.

Altra Industrial Motion Corp.

AIMCNASDAQIndustrials
$61.98
+$0.00(+0.00%)
Market Cap$4.1B
P/E Ratio
52W High$62.01
52W Low$32.18
Overview

Altra Industrial Motion Corp. (AIMC) Shares Outstanding — Overview

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

AIMC · shares outstanding · updated Jun 9, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
65.1M +0.46% YoY Change
FY · as of Dec 31, 2022 · Reported in USD
vs 64.8M in FY 2021
Diluted Shares Outstanding
65.4M
incl. options, RSUs, convertibles
Dilution Spread
+0.46%
Diluted vs Basic
YoY Change
+0.46%
year-over-year
Float (Free Float)
64.7M
publicly tradable shares
99.0% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-09

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+0.4%
2019 → 2022
5-Year CAGRincreasing
+17.6%
2017 → 2022
10-Year CAGRincreasing
+9.3%
2012 → 2022

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 2022Latest
Diluted Shares: 65.4M
65.1M
+0.46%
FY 2021
Diluted Shares: 65.4M
64.8M
+0.31%
FY 2020
Diluted Shares: 64.6M
64.6M
+0.47%
FY 2019
Diluted Shares: 64.5M
64.3M
+67.54%
FY 2018
Diluted Shares: 38.4M
38.4M
+32.58%
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 AIMC
#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+810.1%
#5
Caterpillar Inc.CAT
Caterpillar Inc.
466.5M+616.6%
#6
Deere & CompanyDE
Deere & Company
270.9M+316.1%
#7
Altra Industrial Motion Corp.AIMC
Altra Industrial Motion Corp.YOU
65.1M

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

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

Altra Industrial Motion Corp. (AIMC) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2022, Altra Industrial Motion Corp. reports 65.1M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

Altra Industrial Motion Corp.'s basic shares outstanding (65.1M) represents currently issued shares. Diluted shares outstanding (65.4M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.46%.

Shares Outstanding vs. Float (Free Float)

Altra Industrial Motion Corp.'s float is 64.7M (99.0% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float64.7M(99.0%)
Outstanding65.4M

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

Altra Industrial Motion Corp. (AIMC) shares outstanding history from 2004 to 2022. 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.

Altra Industrial Motion Corp. shares outstanding for the fiscal year ending December 31, 2022 were 65.1M, a 0.46% increase year-over-year. Altra Industrial Motion Corp. FY 2022 shares outstanding were 65.1M, a +0.46% increase from FY 2021.

Altra Industrial Motion Corp. is a leading company operating in the Industrials sector. The company's share count trajectory — with a 10-year CAGR of +9.3% — 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

AIMC shares outstanding · 4 questions

As of December 31, 2022, Altra Industrial Motion Corp. (AIMC) has approximately 65.1M basic shares outstanding and 65.4M diluted shares outstanding. This represents a +0.46% year-over-year increase from FY 2021 (64.8M). The increase may reflect equity compensation issuances or secondary offerings.

AIMC shares outstandinghow many shares does AIMC haveAIMC basic shares 2022AIMC diluted shares

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