My Portfolio: Year In Review 2025

02 January 2026
By Maynard Paton

This post provides a ‘year in review’ of all my portfolio holdings.

I recap how each business performed during 2025 as well as provide a few remarks about their attractions, drawbacks and valuations. I have accompanied every write-up with a ShareScope chart to show how each company has progressed over the longer term.

I undertook the same review process at the start of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 20222023, 2024 and 2025.

I have now decided to stop blogging about my shares and I trust you find this final annual review informative.

Maynard Paton

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My Portfolio: Year In Review 2024

03 January 2025
By Maynard Paton

Happy New Year!

I trust you enjoyed the festive break and are now ready to battle the market for another twelve months!

This post provides a ‘year in review’ of my current holdings. I recap how each business performed during 2024 as well as provide a few remarks about their attractions, drawbacks and valuations.

These reviews are very useful to write, not least because they help ensure I am still invested for the right reasons. I also hope the reviews help me avoid disappointing returns during the year ahead! I undertook the same review process at the start of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and 2024.

My portfolio gained 22.4% during 2024 and this other post explains that performance in more detail.

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TRISTEL: Record FY 2024 Discloses Impressive 32% UK Growth As Sudden US ‘Purchasing Bureaucracy’ Explains Leadership Change, Boilerplate LTIP Seeks Only 5.5% EPS CAGR And P/E Drops To Lowest Since 2018

23 December 2024
By Maynard Paton

FY 2024 results summary for Tristel (TSTL):

  • A record FY, showcasing revenue up 16%, profit up 32% and the dividend up 29%, with impressive 32% UK growth based upon 9% greater volumes and 23% higher pricing through a new NHS agreement.
  • The retirement of the previous chief executive now makes sense after “purchasing bureaucracy” suddenly beset North American progress, which left TSTL alarmingly “a year behind” schedule after US partner Parker Laboratories proved ineffective with sales.
  • The new chief executive has still to publish his financial targets, although the board has already re-committed to 5%-plus annual dividend growth while a new ‘boilerplate’ LTIP depressingly seeks only a 5.5% adjusted EPS CAGR to vest.  
  • The high-margin, cash-rich, low-tax accounts generally remain in good shape, but are let down by regular restatements alongside stagnant employee productivity that may be due to a 25% margin target limiting additional investment.
  • The trailing 25x PE is the lowest since 2018 and could be justified by further meaningful growth within established markets, the prospect one day of lucrative US royalties, the ongoing ability to raise prices and the possibility of bumper surface-disinfection sales. I continue to hold.

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TRISTEL: New Chief Exec’s Financial Targets Keenly Awaited After Record H1 2024 Announces 30% UK Growth, 100% Dividend Jump, Bumper 84% Gross Margin And ‘$100m Opportunity’ In North America

01 October 2024
By Maynard Paton

H1 2024 results summary for Tristel (TSTL):

  • A record H1, displaying revenue up 20%, profit up 28% and the dividend up 100% underpinned by remarkable 30% UK growth and notable price increases accepted by the NHS.
  • North America is now deemed a “$100m per annum opportunity” for TSTL’s initial FDA-approved foam, although competition now involves an FDA-approved UV-light machine that may strengthen the wider argument for automated disinfections. 
  • The new chief exec ticks a lot of boxes for marketing healthcare products in the US, but his stint at LiDCO was unspectacular and shareholders keenly await his strategic ambitions, financial targets and details of his LTIP package.
  • Although employee productivity has flat-lined, the financials remain in good shape with a bumper 84% gross margin and net cash approaching £12m that could lead to another special dividend.
  • A near-term 32x P/E is not an obvious bargain, but a premium rating could be justified by further meaningful growth within established markets, the prospect of lucrative US royalties, the ongoing ability to raise prices and the possibility of successful R&D. I continue to hold.

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TRISTEL: Positive FY 2023 Reveals Revenue Up 22%, New 5%-Plus Dividend-Growth Policy And Mooted 38p Royalty Per US Ultrasound Disinfection  

14 January 2024
By Maynard Paton

FY 2023 results summary for Tristel (TSTL):

  • A positive post-pandemic performance, with strong overseas progress helping FY ‘continuing’ revenue gain 22% and FY profit rebound up to 28% albeit after a bevy of adjustments.
  • The FY highlight was a doubling of the final dividend backed by a welcome new policy to increase the ordinary payout by at least 5% a year.
  • TSTL revealed ultrasound-probe decontamination supported 33% of group sales and implied a potential 38p royalty per ultrasound disinfection within the United States. 
  • The accounts showed a record 81% gross margin and net cash recently topping £14m, although restatements continue to occur and audit fees appear unusually steep.
  • An estimated 22x P/E for FY 2028 is not an obvious bargain, but a premium rating could be justified by further meaningful growth, lucrative US royalties and the prospect of fresh leadership. I continue to hold.

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My Portfolio: Year In Review 2023

02 January 2024
By Maynard Paton

Happy New Year!

I trust you enjoyed the festive break and are now ready to battle the market for another twelve months!

This 4,833-word post provides a ‘year in review’ of my current holdings. I recap how each business performed during 2023 as well as provide a few remarks about valuation. 

These reviews are very useful to write, not least because they help ensure I am still invested for the right reasons. Any upsets I will suffer during 2024 will most likely be caused by the shares I already own rather than any new shares I will buy.

I undertook the same annual review at the start of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023.

My portfolio gained 15.3% during 2023. This other post explains that performance in more detail and clarifies how my portfolio begins 2024.

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TRISTEL: Record 81% Gross Margin Supports Positive H1 2023 As FDA Approval Creates 43M Disinfection Opportunity Alongside Management Ambition To ‘Double Revenue Over The Medium Term’

28 August 2023
By Maynard Paton

H1 2023 results and FDA approval summary for Tristel (TSTL):

  • A positive pandemic-recovery performance, with H1 revenue up 16% to a record £17.5m and H1 profit rebounding up to 33% albeit after a bevy of adjustments.
  • A record 81% gross margin helped offset greater H1 staff costs, with useful cash conversion keeping net cash above £8m — which oddly earns no interest. 
  • The H1 effort was perhaps eclipsed by the subsequent FDA product approval, which creates the opportunity to capture 43 million US disinfection procedures and collect a revised 24% US royalty.
  • An informative open-day webinar revealed dividend cover was under review, option grants had been paused, H2 revenue per disinfection procedure had surged plus an ambition to “double revenue over the medium term“.
  • An estimated 23x P/E for FY 2026 is not an obvious bargain, but a premium rating could be justified by lucrative US income and management proposals to raise the group’s three-year targets. I continue to hold.

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[Podcast] OCEAN WILSONS, TRISTEL And ARCONTECH With Roland Head, Mark Simpson, Bruce Packard And Maynard Paton

11 July 2023
By Maynard Paton

I have recorded another episode of The Investor’s Roundtable podcast with fellow investors and good friends Roland Head, Mark Simpson and Bruce Packard:

MAYNARD
PATON

ROLAND
HEAD

MARK
SIMPSON

BRUCE
PACKARD

We talked about Bruce’s investment in shipping and investment group Ocean Wilsons (OCN), my investment in disinfectant specialist Tristel (TSTL) and Mark’s investment in software developer Arcontech (ARC). We also discussed whether private investors should consider asset allocation within their portfolios:

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TRISTEL: Pandemic-Disrupted FY 2022 Reiterates Reassuring 10-15%/Year Sales-Growth Ambition As US Regulatory Approval Now Relies Upon FDA ‘Negotiation’ Over Product Batches

12 January 2023
By Maynard Paton

Results summary for Tristel (TSTL):

  • Another pandemic-disrupted performance, although 10-15% per annum sales-growth guidance suggests hospital customers will soon resume normal purchasing activity.
  • Progress was complicated by an accounting U-turn, with Brexit stock-piling, share options, US costs and write-offs creating a wide range of profit outcomes.
  • Management webinar comments suggested a positive US regulatory verdict is dependent on a “negotiation” with the FDA concerning data tests using different product batches. 
  • A useful 17% operating margin, net cash of £10m, worthwhile cash conversion and low capital requirements imply the group’s disinfectants still enjoy favourable economics. 
  • An estimated 24x P/E for FY 2025 is not an obvious bargain, but a premium rating may be justified by a US product approval and hefty royalties appearing soon thereafter. I continue to hold.

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My Portfolio: Year In Review 2022

01 January 2023
By Maynard Paton

Happy New Year!

I trust you enjoyed the festive break and are now ready to battle the market for another twelve months!

This 4,680-word post provides a ‘year in review’ of my current holdings. I recap how each business performed during 2022 as well as provide a few remarks about valuation. 

These reviews are very useful to write, not least because they help ensure I am still invested for the right reasons. Any upsets I will suffer during 2023 will most likely be caused by the shares I already own rather than any new shares I will buy.

I undertook the same annual review at the start of 2015, 2016, 2017, 2018, 2019, 2020, 2021 and 2022.

My portfolio lost 23.3% during 2022. This other post explains that performance in more detail and clarifies how my portfolio begins 2023.

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TRISTEL: Pandemic-Disrupted H1 2022 Reveals Product Cull And Profit Reclassification With Dividend Held And Share Price Now 50% Lower

30 April 2022
By Maynard Paton

Results summary for Tristel (TSTL):

  • An underwhelming pandemic-disrupted performance, with the dividend held for the first time since FY 2013 as hospital customers delayed resuming normal purchasing activity.
  • Progress was complicated by the understandable culling of numerous ‘non-core’ products, although the associated reclassification revealed TSTL’s surface disinfectants to be less profitable than previously declared.
  • Sector “lobbying” within the United States for EPA-approved disinfectants might have created a new “commercial opportunity” for TSTL’s DUO foam. 
  • Brexit stock-piling, share options and US costs offered a wide range of profit outcomes, but cash flow remained respectable and bolstered net cash to a useful £9m. 
  • A 50% lower share price on a possible 32x multiple is not an obvious bargain, especially if patent expiries, automated competition or single-use medical equipment cause disruption. I continue to hold.

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My Portfolio: Year In Review 2021

01 January 2022
By Maynard Paton

Happy New Year!

I trust you enjoyed the festive break and are now ready to battle the market for another twelve months!

This 4,609-word post provides a ‘year in review’ of my current holdings. I recap how each business performed during 2021 as well as provide a few remarks about valuation. 

These reviews are very useful to write, not least because they help ensure I am still invested for the right reasons. Any upsets I will suffer during 2022 will most likely be caused by the shares I already own rather than any new shares I will buy.

Read more

TRISTEL: Pandemic-Disrupted FY 2021 Admits H2 Profit Down 36% But Also Re-Introduces FDA Timetable As Sector Rival Implies $180m US Market Opportunity

29 October 2021
By Maynard Paton

Results summary for Tristel (TSTL):

  • A disappointing pandemic-disrupted performance, with H2 revenue and profit down 15% and 36% respectively on the preceding H1.
  • Progress was curtailed as NHS outpatient clinics closed and orders “dried up“, which left certain UK product sales running at a six-year low.
  • Overseas revenue up 3%, a resilient 16% H2 margin, net cash of £10m and a 2% final-dividend lift suggest the business is not broken just yet. 
  • A re-introduced timetable for product launches in the United States provides hope of the seven-year FDA process concluding during 2023.
  • The £236m market cap remains elevated, and is supported by a sector rival implying the US market for ultrasound-probe disinfection is worth up to $180m. I continue to hold.

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TRISTEL: P/E Reaches Stratospheric 48x As H1 Figures Reveal Profit Improving Up To 31% And Headcount Increasing 19% To Prepare For Future Growth

09 March 2021
By Maynard Paton

Results summary for Tristel (TSTL):

  • A satisfactory pandemic-assisted performance, with revenue up 14% and profit up between 12% and 31% depending on the adjustments made.
  • Sales were bolstered by Brexit stock-piling, which will unwind during H2, with underlying UK progress still difficult to interpret.
  • Overseas sales improved a useful 20% although the United States regulatory project and other ventures remain very slow burners.
  • The 21% operating margin seems impressive in light of “one-off” payroll costs and the headcount increasing 19% to prepare for future growth. 
  • The 48x P/E looks stratospheric, but permanently greater demand for hospital disinfectants, further expansion plus growing economies of scale may justify a lofty rating. I continue to hold.

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