louise boucher

T2 · manager / operator

Founder and solo GP of Sisyphus Ventures, a €20M fund backing ambitious European defense founders. Previously invested in defense at First Capital (France) and Northzone (London) since 2022, including angel investment in Helsing. Spent three years building defense portfolio before launching fund in December 2024.

8 calls·8 names·75% bull·last heard 5 months ago·Scaling Europe
track recordleaderboard →
hit rate
0%
avg alpha
-8.6pp
scored
1

top calls

highest conviction · one per company
1sthigh conviction
$HELSINGHelsingposition

Helsing angel investment validates new prime thesis: autonomous drones 10x cheaper than legacy systems

Helsing became France's first defense unicorn by building autonomous drone interception systems that are 10x cheaper, scalable, and smarter than traditional prime contractor offerings like Rheinmetall, proving the 'new prime' model works.

2ndhigh conviction
$SISYPHUS-VENTURESSisyphus Venturesposition

Sisyphus Ventures launches €20M fund dedicated to kinetic defense, rejecting dual-use mandate to capture outsized returns

By explicitly targeting kinetic/offensive defense (missiles, explosives) rather than 'resilience' or dual-use, Sisyphus attracts LPs wanting unreserved exposure to the new prime wave and can move fast on categories other VCs filter out — a structural advantage in a category where speed to contract matters.

3rdhigh conviction
$PLTRPalantir

Palantir proves defense compounding model: wedge into data integration then expand across domains to multi-billion revenue

Palantir demonstrates the venture-scale defense model: start with a wedge product (data integration/intelligence), crack government go-to-market, then expand catalog across multi-domain (autonomous fighter jets, maritime) to generate uncapped multi-billion revenue — the blueprint for new primes.

most discussed · click a bar to filter

8 total
$STARK
Stark
MEDlouise boucher·Scaling Europe·5 months ago
Stark achieves unicorn status signaling deepening European defense tech maturation
Stark's unicorn milestone reflects accelerating capital flows into European defense tech, though Louise notes the category has barely scratched the surface of needed products and contract volume.
"last week Stark became a unicorn. We've seen quantum systems tripled their valuation last year."
9:38
$HELSING
Helsing
HIGHlouise boucher·Scaling Europe·5 months ago· position
Helsing angel investment validates new prime thesis: autonomous drones 10x cheaper than legacy systems
Helsing became France's first defense unicorn by building autonomous drone interception systems that are 10x cheaper, scalable, and smarter than traditional prime contractor offerings like Rheinmetall, proving the 'new prime' model works.
"my first angel check was in so 2024 a company called Hamatan AI. So which became the French the first French unicorn in defense doing really anything autonomous drones. So we call…"
2:40
$RNMBY
···
Rheinmetall
MEDlouise boucher·Scaling Europe·5 months ago
Rheinmetall represents legacy prime vulnerable to 10x cheaper autonomous new primes
Traditional primes like Rheinmetall dominate with complex, expensive systems (fighter jets) now being displaced by cheap autonomous drones across all domains — the core investment thesis for backing new primes.
"People think about fighter jets which are the most obvious let's say um example which are now let's say replaced by cheap autonomous drones but really this is happening across all…"
1:00
$PLTR
···
Palantir
HIGHlouise boucher·Scaling Europe·5 months ago
Palantir proves defense compounding model: wedge into data integration then expand across domains to multi-billion revenue
Palantir demonstrates the venture-scale defense model: start with a wedge product (data integration/intelligence), crack government go-to-market, then expand catalog across multi-domain (autonomous fighter jets, maritime) to generate uncapped multi-billion revenue — the blueprint for new primes.
"Palunteer or ND have something to show that so as a VC you invest in a company who's starting with a wedge let's say interception like drones intercepting other drones but really…"
5:26
$QUANTUM-SYSTEMS
Quantum Systems
HIGHlouise boucher·Scaling Europe·5 months ago
Quantum Systems valuation triples as German drone maker wins major government contracts
Quantum Systems exemplifies the new prime playbook: ex-Palantir/Anduril talent combined with defense go-to-market expertise enabled rapid contract wins in UK, France, Germany within the last four months, driving valuation re-rating.
"last week Stark became a unicorn. We've seen quantum systems tripled their valuation last year."
9:38
$ANDURIL
Anduril
MEDlouise boucher·Scaling Europe·5 months ago
Anduril founder pedigree (VR repeat founder) validates non-traditional backgrounds for defense new primes
Anduril's Palmer Luckey (repeat founder from VR) proves defense winners can come from any tech background if they pair visionary fundraising with day-one onboarding of defense sales and manufacturing experts — the team composition pattern Louise seeks.
"if you look at housing he was you know repeat founder of a gaming indust indry paloki from um Andreal was also a repeat funer from the VR space and we have many example like that."
12:32
$DSAVF
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Dassault Aviation
LOWlouise boucher·Scaling Europe·5 months ago
Dassault illustrates long-term dual-use reality: 30% revenue from private jets despite military fighter core
Even dedicated military platforms like Dassault's Rafale derive significant commercial revenue (private jets), proving most defense tech becomes dual-use long-term — but Louise argues founders must go military-first for first 3 years to win contracts.
"the tales the saffron even do which make the fighter jet let's say 30 revenue comes from private jets actually so longterm most technologies are you will use but in the next three…"
7:26
$SISYPHUS-VENTURES
Sisyphus Ventures
HIGHlouise boucher·Scaling Europe·5 months ago· position
Sisyphus Ventures launches €20M fund dedicated to kinetic defense, rejecting dual-use mandate to capture outsized returns
By explicitly targeting kinetic/offensive defense (missiles, explosives) rather than 'resilience' or dual-use, Sisyphus attracts LPs wanting unreserved exposure to the new prime wave and can move fast on categories other VCs filter out — a structural advantage in a category where speed to contract matters.
"I'm really against, let's say, dual as the beginning. I that's why I also pitched myself and the font at being like defense font. I didn't want to pitch it as resilience because I…"
0:25