Companies: 10,795·Total market cap: $144.5T
ATS Corporation

ATS Corporation

ATSAFOTCIndustrials
$44.25
+$0.00(+0.00%)
Market Cap$4.1B
P/E Ratio
52W High$45.8
52W Low$25.66

ATS Corporation (ATSAF) Shares Outstanding — Overview

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

ATSAF · shares outstanding · updated Jun 9, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
91.8M -0.40% YoY Change
FY · as of Mar 31, 2023 · Reported in CAD
vs 92.2M in FY 2022
Diluted Shares Outstanding
92.2M
incl. options, RSUs, convertibles
Dilution Spread
+0.44%
Diluted vs Basic
YoY Change
-0.40%
year-over-year
Float (Free Float)
72.9M
publicly tradable shares
79.5% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-09

Shares Outstanding Growth Rate

3-Year CAGRdeclining
-0.1%
2020 → 2023
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 2023Latest
Diluted Shares: 92.2M
91.8M
-0.40%
FY 2022
Diluted Shares: 92.6M
92.2M
+0.01%
FY 2021
Diluted Shares: 92.4M
92.2M
+0.11%
FY 2020
Diluted Shares: 92.5M
92.1M
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 ATSAF
#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+730.1%
#4
Union Pacific CorporationUNP
Union Pacific Corporation
592.5M+545.2%
#5
Caterpillar Inc.CAT
Caterpillar Inc.
466.5M+408.0%
#6
Eaton Corporation plcETN
Eaton Corporation plc
388.2M+322.7%
#7
ATS CorporationATSAF
ATS CorporationYOU
91.8M

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

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

ATS Corporation (ATSAF) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of March 31, 2023, ATS Corporation reports 91.8M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

ATS Corporation's basic shares outstanding (91.8M) represents currently issued shares. Diluted shares outstanding (92.2M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.44%.

Shares Outstanding vs. Float (Free Float)

ATS Corporation's float is 72.9M (79.5% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float72.9M(79.5%)
Outstanding91.8M

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 · CAD

About shares outstanding & methodology

ATS Corporation (ATSAF) shares outstanding history from 2020 to 2023. 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.

ATS Corporation shares outstanding for the fiscal year ending March 31, 2023 were 91.8M, a 0.40% decline year-over-year. ATS Corporation FY 2023 shares outstanding were 91.8M, a -0.40% decline from FY 2022.

ATS Corporation 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.

Frequently asked questions

ATSAF shares outstanding · 4 questions

As of March 31, 2023, ATS Corporation (ATSAF) has approximately 91.8M basic shares outstanding and 92.2M diluted shares outstanding. This represents a -0.40% year-over-year change from FY 2022 (92.2M). ATS Corporation's declining share count is primarily driven by its share buyback program. For the complete historical data table, see the history table above.

ATSAF shares outstandinghow many shares does ATSAF haveATSAF basic shares 2023ATSAF diluted shares

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