VCP ScannerFree US Stock Screener & Financial AnalysisFree US Stock Screener

Innospec Inc. (IOSP) Total Return Calculator with Dividends Reinvested

Innospec Inc.

Popular:

The total return for Innospec Inc. (IOSP) stock is -14.22% over the past 12 months. So far it's up 1.82% this year. The 5-year total return is -17.50%, meaning $10,000 invested in IOSP stock 5 years ago would be worth $8,250 today. Total return includes price appreciation plus reinvesting any dividends paid out.

If you invested $10,000 in IOSP 1 year ago, it would be worth $8,623 today — you'd have lost $1,377 with dividends reinvested.

With Dividends Reinvested$8,623-13.77%

Price Only (No DRIP)$8,439-15.61%

Dividend Boost+$1842 payments · +1.84% extra

Period2025-05-07 → 2026-05-06

Price

Total Return (DRIP)

Dividends

S&P 500

If You Invested $10,000 in IOSP

1Y$8,578-$1,422 (-14.2%)-14.2% CAGR

3Y$8,371-$1,629 (-16.3%)-5.8% CAGR

5Y$8,250-$1,750 (-17.5%)-3.8% CAGR

10Y$18,378+$8,378 (+83.8%)6.3% CAGR

15Y$27,239+$17,239 (+172.4%)6.9% CAGR

20Y$70,914+$60,914 (+609.1%)10.3% CAGR

30Y$55,744+$45,744 (+457.4%)5.9% CAGR

Dividend Reinvestment History (2)▲ Hide

Ex-Date	Dividend	Reinvest Price	Shares Added
2025-05-20	$0.84	$88.33	+0.009510
2025-11-18	$0.87	$71.15	+0.012344

Loading IOSP total return...

As of 2026-05-07

Returns at a Glance

Period	Total Return	CAGR	Price Only	Div. Contrib.	$10K →
YTD	+1.82%	—	+1.82%	—	$10,182
1Y	-14.22%	-14.22%	-16.07%	+1.85 pp	$8,578
3Y	-16.29%	-5.75%	-21.04%	+4.75 pp	$8,371
5Y	-17.50%	-3.78%	-24.42%	+6.92 pp	$8,250
10Y	+83.78%	6.27%	+60.08%	+23.70 pp	$18,378
15Y	+172.39%	6.91%	+127.90%	+44.48 pp	$27,239
20Y	+609.14%	10.29%	+491.55%	+117.59 pp	$70,914
30Y	+457.44%	5.89%	+363.71%	+93.73 pp	$55,744

Risk & Highlights

Best Year+177.80%2006

Worst Year-65.64%2008

Max Drawdown-29.45%2025-05-08 → 2026-03-20

Annual Returns

Year	Total Return	Price Return	Div.	S&P 500	vs S&P
2026YTD	+0.39%	+0.39%	—	+0.41%	-0.0pp
2025	-27.30%	-28.89%	+1.6pp	+16.64%	-43.9pp
2024	-8.64%	-9.91%	+1.3pp	+24.00%	-32.6pp
2023	+20.39%	+19.03%	+1.4pp	+24.81%	-4.4pp
2022	+11.22%	+9.86%	+1.4pp	-19.95%	+31.2pp

IOSP underperformed the S&P 500 by 45.54pp over the past year (-14.22% vs +31.32%).

Loading summary...

IOSP Peers' Total Return

Accurate peer set · 10 comparable names

Name	Mkt Cap	30D Rtn	YTD Total Rtn	1Y Total Rtn	Div Contrib	3Y Total Rtn	5Y Total Rtn	10Y Total Rtn
IOSPInnospec Inc.	$1.9B	+7.5%	+1.8%	-14.2%	+1.8pp	-16.3%	-17.5%	+83.8%
HWKNHawkins, Inc.	$3.5B	+11.8%	+15.2%	+40.5%	+0.6pp	+319.1%	+398.2%	+790.6%
BCPCBalchem Corporation	$5.2B	-4.8%	+4.8%	-0.8%	+0.6pp	+28.0%	+24.4%	+162.8%
ITICInvestors Title Company	$444M	+5.6%	-4.4%	+2.4%	+4.4pp	+86.1%	+58.6%	+251.4%
KWRQuaker Chemical Corporation	$2.5B	+17.8%	+2.8%	+44.4%	+2.0pp	-30.6%	-36.2%	+81.8%
CBTCabot Corporation	$4.3B	+10.8%	+23.6%	+16.2%	+2.5pp	+24.1%	+43.8%	+115.6%
ASIXAdvanSix Inc.	$835M	+2.2%	+47.0%	+13.8%	+2.8pp	-22.2%	-11.5%	+67.5%
ALBAlbemarle Corporation	$22.7B	+11.3%	+34.1%	+237.9%	+2.8pp	+6.2%	+31.2%	+202.4%
ECLEcolab Inc.	$74.4B	-1.4%	+0.6%	+5.4%	+1.1pp	+56.7%	+20.3%	+142.1%
IFFInternational Flavors & Fragrances Inc.	$21.2B	+15.5%	+22.5%	+6.7%	+2.0pp	-8.4%	-34.9%	-7.7%
TROXTronox Holdings plc	$1.6B	+9.6%	+138.4%	+96.0%	+5.2pp	-10.1%	-47.9%	+104.7%

Compare:IOSP vs HWKN IOSP vs BCPC IOSP vs ITIC IOSP vs HWKN vs BCPC

About IOSP Dividend Returns

Innospec Inc. (IOSP) is a dividend-paying stock. When dividends are reinvested through a DRIP (Dividend Reinvestment Plan), they purchase additional shares, which then generate their own dividends—creating a compounding effect that can significantly boost long-term returns.

How We Calculate Total Return

Our total return calculator simulates dividend reinvestment (DRIP) by assuming each dividend payment is used to purchase additional shares at the closing price on the ex-dividend date. This methodology provides an accurate representation of how a dividend reinvestment plan would perform.

Frequently Asked Questions

Q1What is the total return of IOSP over the past year?

Innospec Inc. (IOSP) delivered a total return of -14.22% over the past year when dividends are reinvested. The price-only return was -16.07%, meaning dividends contributed an additional 1.85 percentage points to total returns.

Q2How much would $10,000 invested in IOSP be worth today?

A $10,000 investment in Innospec Inc. one year ago would be worth $8,578 today with dividends reinvested (DRIP). Without reinvesting dividends, the same investment would be worth $8,393. Dividend reinvestment added $185 to the portfolio value.

Q3Does IOSP pay dividends?

Yes, Innospec Inc. (IOSP) pays dividends. In the last year, IOSP paid approximately $1.70 per share in dividends (2.18% yield). Reinvesting these dividends through a DRIP can significantly boost long-term returns — over 20+ years, dividend compounding can account for 30–50% of total returns for dividend-paying stocks.

Q4Did IOSP beat the S&P 500?

No, Innospec Inc. (IOSP) underperformed the S&P 500 by 45.54 percentage points over the past year. IOSP delivered a total return of -14.22%, compared to the S&P 500's 31.32%. This means a passive S&P 500 index fund outperformed IOSP by 45.54pp during this period.

Q5What is IOSP's worst drawdown?

Innospec Inc. (IOSP) experienced a maximum drawdown of -29.45% over the past year, declining from its peak on 2025-05-08 to its trough on 2026-03-20. The stock has not yet fully recovered to its prior peak. Maximum drawdown measures the worst peak-to-trough decline and is an important risk metric for investors.

Q6What is IOSP's long-term total return over 10, 20, or 30 years?

Here are Innospec Inc. (IOSP)'s long-term returns with dividends reinvested. Over 10 years, the total return is 83.8% (6.3% CAGR) — $10,000 would have grown to $18,378. Over 20 years: 609.1% total return (10.3% CAGR) — $10,000 → $70,914. Over 30 years: 457.4% total return (5.9% CAGR) — $10,000 → $55,744. Long-term investors benefit from compounding: dividends buy additional shares, which generate their own dividends, creating an exponential growth effect.

Q7What was IOSP's best and worst year?

Innospec Inc.'s best calendar year was 2006 with a total return of 177.8%. Its worst year was 2008 with a total return of -65.6%. This range shows the volatility investors should expect — the difference between the best and worst year is 243.4 percentage points.