Companies: 10,795·Total market cap: $144.5T
A.M. Castle & Co.

A.M. Castle & Co.

CTAMOTCIndustrials
$0.05
+$0.00(+0.00%)
Market Cap$362757
P/E Ratio—
52W High$0.0501
52W Low$0.03
Shares OutstandingFinancialsRevenue

A.M. Castle & Co. (CTAM) Shares Outstanding — Overview

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

CTAM · shares outstanding · updated Jun 9, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
7.3M▲ +346.33% YoY Change
FY · as of Dec 31, 2020 · Reported in USD
vs 1.6M in FY 2019
Diluted Shares Outstanding
7.3M
incl. options, RSUs, convertibles
Dilution Spread
+0.00%
Diluted vs Basic
YoY Change
+346.33%
year-over-year
Float (Free Float)
155,510
publicly tradable shares
2.1% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-09

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+35.9%
2017 → 2020
5-Year CAGRincreasing
+25.4%
2015 → 2020
10-Year CAGRincreasing
+12.4%
2010 → 2020
ⓘ

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 2020Latest
Diluted Shares: 7.3M
7.3M
+346.33%
FY 2019
Diluted Shares: 1.6M
1.6M
+0.00%
FY 2018
Diluted Shares: 1.6M
1.6M
-43.71%
FY 2017
Diluted Shares: 2.9M
2.9M
+0.00%
FY 2016
Diluted Shares: 2.9M
2.9M
+23.24%
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 CTAM
#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
A.M. Castle & Co.CTAM
A.M. Castle & Co.YOU
7.3M—

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

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

A.M. Castle & Co. (CTAM) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2020, A.M. Castle & Co. reports 7.3M basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

A.M. Castle & Co.'s basic shares outstanding (7.3M) represents currently issued shares. Diluted shares outstanding (7.3M) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.00%.

Shares Outstanding vs. Float (Free Float)

A.M. Castle & Co.'s float is 155,510 (2.1% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float155,510(2.1%)
Outstanding7.3M

ⓘ 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

A.M. Castle & Co. (CTAM) shares outstanding history from 2001 to 2020. 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.

A.M. Castle & Co. shares outstanding for the fiscal year ending December 31, 2020 were 7.3M, a 346.33% increase year-over-year. A.M. Castle & Co. FY 2020 shares outstanding were 7.3M, a +346.33% increase from FY 2019.

A.M. Castle & Co. is a leading company operating in the Industrials sector. The company's share count trajectory — with a 10-year CAGR of +12.4% — 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

CTAM shares outstanding · 4 questions

As of December 31, 2020, A.M. Castle & Co. (CTAM) has approximately 7.3M basic shares outstanding and 7.3M diluted shares outstanding. This represents a +346.33% year-over-year increase from FY 2019 (1.6M). The increase may reflect equity compensation issuances or secondary offerings.

CTAM shares outstandinghow many shares does CTAM haveCTAM basic shares 2020CTAM diluted shares

▸ Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · A.M. Castle & Co. SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-09