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OLIN shares outstanding OLN

Diluted shares outstanding, averaged over each quarter, from 2009.

Latest quarter, to Jun 30, 2026
113.9M
On a year earlier
−0.9%
fewer shares

OLIN had 113.9M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.

That is 0.9% fewer than a year earlier, so each share owns a little more of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY2025113.7M−3%
FY2024117.4M−5%
FY2023123.5M−11%
FY2022138.4M−15%
FY2021163M+3%
FY2020158.2M+0%
FY2019158.1M−5%
FY2018166.9M−1%
FY2017169.4M+3%
FY2016165.2M−8%
FY2015180.3M+129%
FY201478.8M−2%
FY201380.3M−1%
FY201281.3M+1%
FY201180.8M+1%

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter by quarter

QuarterEndedShares outstandingOn a year earlier
Q2 FY26113.9M−1%
Q1 FY26113.8M−2%
Q4 FY25113.7M−3%
Q3 FY25115.1M−2%
Q2 FY25114.9M−4%
Q1 FY25116.6M−4%
Q4 FY24117.4M−5%
Q3 FY24116.9M−8%
Q2 FY24120.2M−8%
Q1 FY24121.9M−9%
Q4 FY23123.5M−11%
Q3 FY23127M−12%

What the shares outstanding tells you

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

More on OLIN

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.