Shares Out (Basic)

24.64M

Quarterly · Period ending: Jun 30, 2026

IOSP Shares Out (Basic)

Latest reported24.64Mperiod endingJun 30, 2026

IOSP Quarterly Shares Out (Basic) (29.43M → 24.64M)

Quarterly shares out (basic)

High-resolution chart · PNG

IOSP shares out (basic) history

Quarterly. Dates are reporting period ends; fiscal years can differ from calendar years.

Innospec Inc Shares Out (Basic) — Quarterly
Period ending	Shares Out (Basic)
Jun 30, 2026	24,644,000
Mar 31, 2026	24,776,000
Dec 31, 2025	24,778,000
Sep 30, 2025	24,834,000
Jun 30, 2025	24,937,000
Mar 31, 2025	24,970,000
Dec 31, 2024	24,949,000
Sep 30, 2024	24,941,000
Jun 30, 2024	24,937,000
Mar 31, 2024	24,893,000
Dec 31, 2023	24,872,000
Sep 30, 2023	24,866,000
Jun 30, 2023	24,868,000
Mar 31, 2023	24,801,000
Dec 31, 2022	24,766,000
Sep 30, 2022	24,786,000
Jun 30, 2022	24,805,000
Mar 31, 2022	24,791,000
Dec 31, 2021	24,716,000
Sep 30, 2021	24,643,000
Jun 30, 2021	24,628,000
Mar 31, 2021	24,601,000
Dec 31, 2020	24,586,000
Sep 30, 2020	24,570,000
Jun 30, 2020	24,506,172
Mar 31, 2020	24,529,000
Dec 31, 2019	24,502,000
Sep 30, 2019	24,491,000
Jun 30, 2019	24,483,000
Mar 31, 2019	24,437,000
Dec 31, 2018	24,424,000
Sep 30, 2018	24,419,000
Jun 30, 2018	24,409,000
Mar 31, 2018	24,369,000
Dec 31, 2017	24,234,000
Sep 30, 2017	24,137,000
Jun 30, 2017	24,133,000
Mar 31, 2017	24,087,000
Dec 31, 2016	24,026,000
Sep 30, 2016	23,977,000
Jun 30, 2016	23,973,000
Mar 31, 2016	24,019,000
Dec 31, 2015	24,093,000
Sep 30, 2015	24,121,000
Jun 30, 2015	24,202,000
Mar 31, 2015	24,301,000
Dec 31, 2014	24,384,000
Sep 30, 2014	24,420,000
Jun 30, 2014	24,401,000
Mar 31, 2014	24,362,000
Dec 31, 2013	24,050,000
Sep 30, 2013	23,621,000
Jun 30, 2013	23,528,000
Mar 31, 2013	23,404,000
Dec 31, 2012	23,304,000
Sep 30, 2012	23,240,000
Jun 30, 2012	23,147,000
Mar 31, 2012	23,055,000
Dec 31, 2011	23,178,000
Sep 30, 2011	23,711,000
Jun 30, 2011	23,726,000
Mar 31, 2011	23,655,000
Dec 31, 2010	23,753,000
Sep 30, 2010	23,805,000
Jun 30, 2010	23,781,000
Mar 31, 2010	23,682,000
Dec 31, 2009	23,663,000
Sep 30, 2009	23,663,000
Jun 30, 2009	23,639,000
Mar 31, 2009	23,603,000
Dec 31, 2008	23,598,000
Sep 30, 2008	23,596,000
Jun 30, 2008	23,505,000
Mar 31, 2008	23,680,000
Dec 31, 2007	23,680,000
Sep 30, 2007	24,007,000
Jun 30, 2007	24,002,000
Mar 31, 2007	23,795,000
Dec 31, 2006	23,728,000
Sep 30, 2006	23,799,000
Jun 30, 2006	24,382,000
Mar 31, 2006	24,658,000
Dec 31, 2005	24,658,000
Sep 30, 2005	24,718,000
Jun 30, 2005	24,778,000
Mar 31, 2005	24,770,000
Dec 31, 2004	24,708,000
Sep 30, 2004	24,890,000
Jun 30, 2004	24,810,000
Mar 31, 2004	24,352,000
Dec 31, 2003	24,065,871
Sep 30, 2003	23,884,000
Jun 30, 2003	23,812,000
Mar 31, 2003	23,650,000
Dec 31, 2002	23,650,000
Sep 30, 2002	23,702,000
Jun 30, 2002	23,646,000
Mar 31, 2002	23,132,000
Dec 31, 2001	23,132,000
Sep 30, 2001	23,478,000