Plural is an early-stage investment fund for the most ambitious founders on a mission to change the world through technology.
Europe
Joined March 2022
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AI agents are moving into production much faster than they can be secured - @arcjet has now launched its answer to the problem.
You can't detect prompt injections with a single, general-purpose model.
Dev laptops and security analysis are two examples where inputs that look like attacks are perfectly normal.
Today @arcjet is announcing a family of custom-trained models to tackle this.
- Arcjet Himalia 1, a general-purpose prompt injection model (live now!)
- Arcjet Thebe 1, designed to protect coding agents
- Arcjet Carme 1, for autonomous security agents
Our benchmarks on open datasets show Himalia 1 delivering 0.978 precision and 0.964 recall.
Sign up to @arcjet today to try it out! More details about the benchmarks and training in arcjet.com/blog/introducing-…
In 2000 the US and Europe held 46% of the global PCB market. Today it’s ~6%.
@CircuitHub's Grid is changing that: it already builds tens of millions of dollars of electronics a year, twice as fast as Shenzhen - and capacity will scale 5x this year.
PCBs made in America. Twice as fast as Shenzhen.
Today @CircuitHub is unveiling The Grid, our factory-scale robot in Massachusetts that builds circuit boards on demand.
No changeovers, no per-design setup. Prototypes and production batches, fully automated.
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Non-competes and long notice periods are holding back the next generation of British tech. With OLIX, @CallosumAI, @Orbital_Ind and @inherent_labs, we're asking the UK Government to limit them.
Join the campaign: freetostartandscale.uk/
Agentic AI can now take real actions - its mistakes range from clumsy to harmful to malicious.
@Arcjet's new Agent Runtime Security gives engineering teams enforcement as soon as an agent acts, with sequence-aware checks so risky patterns get caught.
“AI is really transforming what you can do ‘in silico’ before you do it in the physical world. That is driving a massive acceleration in those deep-tech fields. So the capital intensity to get those returns has really changed.” @carinanamih in today's @FT: ft.com/content/0c440134-686f…
"That's the SpaceX way, and that's the way you have to go." - @KHelioui
Great deep dive into The Exploration Company and its formidable founder Hélène Huby in @derspiegel:
spiegel.de/wirtschaft/the-ex…
@FrankenburgTech has opened a missile assembly factory in Riga, bringing it a critical step closer to producing one million affordable air defence missiles every year.
Frankenburg opens the world’s first affordable air defence missile mass-production facility in Riga
Riga is the first operational step in our plan to build annual capacity for 1,000,000 affordable guided air defence missiles.
The Riga Weapon System & Missile Assembly Factory supports production of Mark I, our affordable guided air defence missile system developed to counter mass drone and aerial threats.
Together with the Ādaži final assembly site now under construction, Riga will form Frankenburg’s first Latvian FieldFoundry production system, planned to reach capacity of 100 missiles per day by the end of 2026.
Next FieldFoundry sites are planned in Estonia, the United Kingdom and Poland.
The opening was attended by @KubiliusA, European Commissioner for Defence and Space.
Full statement: frankenburg.tech/frankenburg…
#WinTech #FieldFoundry
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Excellent analysis in @TheEconomist on why the next trillion dollar company just might come from Europe:
economist.com/business/2026/…
Read the full interview here: thetimes.com/sunday-times-10…
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“We need to direct our own fate.” @torstenreil and @shashj talk about the future of war and autonomous weapons, and European sovereignty and supply chains on this week's fascinating episode of @TheEconomist's Inside Defence: economist.com/insider/inside…
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“We want to build The Exploration Company as a global company... If Europe wants to stay a space leader, it must bet on companies with the potential to become the European SpaceX. There is no other way.” - Hélène Huby
Essential read on TEC in today's @FT: ft.com/content/507ec01a-a653…
Repeat founders, world-class experience and unstoppable ambition - @andreasklinger's spotlight on @sunriserobots and @tomazstolfa perfectly encapsulates the seriously tough missions Europe is tackling right now 🔥
🇪🇺🔥 Europe’s manufacturing edge is at real risk – too much capacity is moving to China, and what stays is hard to scale. The surprising solution might be a two-arm robot cell being built in a new lab in Ljubljana.
I visited Sunrise Robotics to see how they’re building a new type of automation that could reshape European industry.
Why it matters:
• Europe is the world’s #2 manufacturing hub (~17–18%)
• 50%+ of output is small-batch (high-mix/low-volume) → hard to automate
• Millions of workers will retire or be out of job due to outsourcing
• Sunrise created a standardized, simulation-trained cell
• One operator can supervise multiple of these stations to build more complex products
• This is a key to keeping factories – and competitiveness – in Europe
I truly think Sunrise can become a global automation leader – disclaimer: I was their first (small) investor and first (big) fan. 🔥
The video shows everything: the test lab, the simulation stack, the UI, the assembly line, the first production batches… and a deep dive with CEO @tomazstolfa on the vision behind it.
Full video link in the reply.
If you enjoy it, please like + subscribe on YT – this really helps boost this kind of content. 🔥
If you care about robotics, automation, European competitiveness, or the future of work – checkout this video.
PS: I was absurdly sick during the shoot… apologies for any sloppy camera work and spaced-out staring 😅
“Have you ever thought of European venture as a geopolitical-macro-hedge?” @drnovac interviews @seikatsu in this week’s Sunday CET on ambition, sovereignty and betting on the non-obvious: sundaycet.beehiiv.com/p/tax-…
Sunday CET is a must-read for anyone tracking Europe's tech and policy landscape. If you don't already subscribe, you can do so here: sundaycet.com/
The UK has an edge in quantum, with world class talent and startups like @PhasecraftLtd. Now, they have an opportunity to build, not sell. @soundboy and Phasecraft's @quantumashley spoke to the @FT’s @johngapper about the importance of staying independent: ft.com/content/c691caf6-3a54…
The US spent billions building foundation models - now the value is in AI applications, where Europe excels.
@CarinaNamih speaks to @parmy for this piece in @Bloomberg on how Europe can capture more value from the AI opportunity:
bloomberg.com/graphics/2025-…
"If you look at Eastern flank doctrine, you talk about total defence. When something happens, the entire population joins in. What's the tech stack for that?"
@seikatsu on startups like Labrys building the solutions that defence needs, speaking at @TallinnSummit.
1/ We’re excited to officially welcome @pierre_dimitri, former SVP of Delivery at Uber and one of the world's top tech operators, to Plural as Partner.
. @ixieyewear moves closer to launching the world’s first autofocus glasses. CEO Niko Eiden tells @engadget about partnering with Optiswiss and acquiring a Finnish lens facility - key steps to onshore production and start scaling up.
engadget.com/wearables/ixis-…
