Spirax Group plc

SPX · Industrials

About Spirax Group plc (SPX)

Spirax Group plc is a Specialty Industrial Machinery company operating in the Industrials sector.

SPX trades on the London Stock Exchange and is classified as a large-cap stock .

Sector
Industrials
Industry
Specialty Industrial Machinery

Key Statistics

Current Price
£7,475.00
Market Cap
£5.52B
52-Week High
£8,050.00
52-Week Low
£5,950.00
Sector
Industrials
Industry
Specialty Industrial Machinery

£1,000 Invested in Spirax Group plc (SPX)

1 Year
£1,049
+5%
3 Years
£892
+-11%
5 Years
£466
+-53%
10 Years
£1,708
+71%
Since IPO
£37,251
+3625%

How much would £1,000 invested in SPX be worth today?

What would £1,000 invested in SPX 1 year ago be worth today?

A £1,000 investment in Spirax Group plc (SPX) in 2025 would be worth £1,049 as of November 2026, representing a +4.9% total return.

What would £1,000 invested in SPX 3 years ago be worth today?

A £1,000 investment in Spirax Group plc (SPX) in 2023 would be worth £892 as of November 2026, representing a -10.8% total return.

What would £1,000 invested in SPX 5 years ago be worth today?

A £1,000 investment in Spirax Group plc (SPX) in 2021 would be worth £466 as of November 2026, representing a -53.4% total return.

What would £1,000 invested in SPX 10 years ago be worth today?

A £1,000 investment in Spirax Group plc (SPX) in 2016 would be worth £1,708 as of November 2026, representing a +70.8% total return.

What would £1,000 invested in SPX at IPO be worth today?

A £1,000 investment in Spirax Group plc (SPX) at IPO would be worth £37,251 as of November 2026, representing a +3625.1% total return.

Monthly Returns Heatmap

Avg Monthly Return
+1.05%
Positive Months
277
60% of 459
Negative Months
179
39% of 459
Data Period
38+ years
459 months
Best Performers
Best month ever: Oct 1998 (+28.8%)
Best month on avg: March (+3.8%)
Worst Performers
Worst month ever: Sep 2001 (-29.4%)
Worst month on avg: September (-1.4%)

Over the past 38+ years (459 months), Spirax Group plc (SPX) has averaged a monthly return of +1.05% with a median return of +1.36%. The stock had 277 positive months (60%) and 179 negative months (39%). The best month in SPX's history was October 1998 with a +28.8% return, while the worst was September 2001 at -29.4%. Historically, March tends to be the strongest month (averaging +3.8%), and September the weakest (-1.4%).

SPX's longest winning streak was 9 consecutive months of gains, while its longest losing streak was 5 consecutive months of losses. The best full year was 2010 with a cumulative return of +47.8%, and the worst was 2024 at -38.3%.

Annual Returns

Over 38 years of trading history, Spirax Group plc (SPX) has delivered an average annual return of +12.54% with a median return of +12.20%. The compound annual growth rate (CAGR) is +10.03%. The stock posted gains in 26 years (68%) and losses in 12 years (32%).

SPX's best year was 2010 with a +56.01% gain, while the worst was 2024 at -34.73%. The longest streak of consecutive positive years was 7, and the longest losing streak was 4 years. SPX achieved double-digit gains (10%+) in 22 years. It suffered double-digit losses in 7 years.

Avg Return
+12.54%
Best Year
2010 (+56.01%)
Worst Year
2024 (-34.73%)
Positive Years
26/38
Year Return Start End
2026 +9.63% £6,818.42 £7,475.00
2025 -0.48% £6,851.57 £6,818.42
2024 -34.73% £10,497.69 £6,851.57
2023 -1.02% £10,606.07 £10,497.69
2022 -33.86% £16,034.60 £10,606.07
2021 +42.11% £11,283.09 £16,034.60
2020 +27.07% £8,879.57 £11,283.09
2019 +42.49% £6,231.89 £8,879.57
2018 +11.05% £5,611.82 £6,231.89
2017 +34.34% £4,177.30 £5,611.82
2016 +27.47% £3,277.13 £4,177.30
2015 +10.14% £2,975.56 £3,277.13
2014 -3.79% £3,092.85 £2,975.56
2013 +27.06% £2,434.09 £3,092.85
2012 +21.12% £2,009.70 £2,434.09
2011 -3.12% £2,074.40 £2,009.70
2010 +56.01% £1,329.69 £2,074.40
2009 +36.61% £973.31 £1,329.69
2008 +3.45% £940.86 £973.31
2007 -12.18% £1,071.31 £940.86
2006 +13.34% £945.18 £1,071.31
2005 +36.33% £693.28 £945.18
2004 +19.95% £577.98 £693.28
2003 +30.49% £442.94 £577.98
2002 +10.16% £402.10 £442.94
2001 +6.26% £378.40 £402.10
2000 -20.05% £473.30 £378.40
1999 -14.86% £555.93 £473.30
1998 -9.61% £615.02 £555.93
1997 -14.46% £718.96 £615.02
1996 +13.41% £633.98 £718.96
1995 +32.03% £480.17 £633.98
1994 +32.37% £362.74 £480.17
1993 +9.07% £332.58 £362.74
1992 +36.35% £243.91 £332.58
1991 +33.48% £182.73 £243.91
1990 -30.79% £264.03 £182.73
1989 +33.72% £197.45 £264.03

Frequently Asked Questions: SPX

What sector is SPX in? ▼

SPX operates in the Industrials sector, specifically in the Specialty Industrial Machinery industry.

How has SPX performed historically? ▼

Over 38 years of trading history, SPX has posted gains in 26 years (68% of the time). The best year was 2010 with a +56.0% return. Past performance does not guarantee future results.

How can I invest in SPX? ▼

You can invest in SPX through any brokerage account that offers access to the London Stock Exchange. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold SPX.

Last updated: 11/1/2026