Innospec Inc.

IOSPNASDAQBasic Materials● Active

$81.38

+$0.70(+0.87%)

Market Cap$2.0B

P/E Ratio—

52W High$92.14

52W Low$65.51

Avg Volume244K

Open$80.85

Beta0.91

Employees Ownership Insider Trades

Innospec Inc. (IOSP) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · IOSP · as of Feb 18, 2026

Latest filing snapshot

2,450

+0+0.00%vs prior year

Innospec Inc. (IOSP) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global

Total Employees

2,450

Change (1Y)

Growth % (1Y)

+0.00%

Revenue / Employee

$725.7K

Net Income / Employee

$47.6K

Market Cap

$2.0B

IOSP Employee Count

1998 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-02-18	2025-12-31	2,450	+0	+0.00%
2025-02-19	2024-12-31	2,450	+50	+2.08%
2024-02-14	2023-12-31	2,400	+300	+14.29%
2023-02-22	2022-12-31	2,100	+200	+10.53%
2022-02-16	2021-12-31	1,900	+0	+0.00%
2021-02-17	2020-12-31	1,900	-100	-5.00%
2020-02-19	2019-12-31	2,000	+0	+0.00%
2019-02-20	2018-12-31	2,000	+100	+5.26%
2018-02-15	2017-12-31	1,900	+100	+5.56%
2017-02-15	2016-12-31	1,800	+500	+38.46%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Chemicals - Specialty

#SymbolCompanyEmployeesMkt Cap

Quaker Chemical Corporation

4,400$2.5B #4

ARMN

Aris Mining Corporation

Allied Gold Corporation

2,252$3.2B

Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · IOSP peer comparison

About IOSP employees

IOSP Employees · Headcount

Innospec Inc. (IOSP) employee data is sourced from the annual SEC 10-K filing. As of 2025, Innospec Inc. had 2,450 full-time employees globally. Full-time employees only. Global consolidated headcount.

Innospec Inc. employs 2,450 full-time employees as of the latest filing within the Chemicals - Specialty industry. Revenue per employee stands at $725,714, reflecting the company's operational efficiency.

Innospec Inc.'s workforce increased by 0 (0.00%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

Innospec Inc.'s revenue per employee of $725,714 positions it among the notable performers in the Chemicals - Specialty sector for operational efficiency.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

IOSP Employees · 5 questions

As of the latest SEC 10-K filing (2025), Innospec Inc. had 2,450 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

Innospec Inc. employee counthow many employees does Innospec Inc. haveIOSP total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-18