Funded Startups in Luxembourg
Among disclosed rounds, ArcelorMittal’s $2.2B post-IPO debt (2022-10-11) is an extreme outlier: the next-largest disclosed amount is $60M for eureKARE (202…
Among disclosed rounds, ArcelorMittal’s $2.2B post-IPO debt (2022-10-11) is an extreme outlier: the next-largest disclosed amount is $60M for eureKARE (2021-05-18), and the top cluster then steps down to $37M (SustainCERT, 2023-06-07) and $30M (Salonkee, 2023-06-12). Another clear pattern is concentration in Luxembourg: all 45 rows list Luxembourg, Luxembourg as the city, with the list spanning from 2020-06-15 (Aiva Technologies) to 2026-05-26 (Deelan). The disclosed rounds (31 of 45 entries) show a mix skewed toward earlier-stage and unknown labels: five of the 31 disclosed entries carry “Series Unknown” (e.g., STOKR is “Series A” but Compellio is “Series Unknown” with undisclosed, while multiple disclosed “Series Unknown” appear elsewhere), and multiple large tickets sit in a mid-2020s window (e.g., Tulum Energy $27M on 2025-07-07 and Helical $10M on 2026-04-13).
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Frequently asked
What is the largest disclosed round in Luxembourg on this list, and how far above the next one is it?
ArcelorMittal’s $2.2B post-IPO debt on 2022-10-11 is dramatically above the rest of the disclosed amounts; the next-largest disclosed amount is $60M for eureKARE on 2021-05-18.
How concentrated are the disclosed rounds among the biggest deals?
The top disclosed amounts form a step-down cluster: $60M (eureKARE, 2021-05-18), then $37M (SustainCERT, 2023-06-07), then $30M (Salonkee, 2023-06-12), followed by $27M (Tulum Energy, 2025-07-07) and $17M (both Artec Group on 2025-06-17 and emma on 2024-11-25).
Is the city/geo footprint consistent, or do any locations stand out as exceptions?
City concentration is strict: Luxembourg (Luxembourg, Luxembourg, Luxembourg) appears for all 45 rows, while a few entries include an additional country reference (e.g., A352 lists Luxembourg, Belgium and Stronger lists Luxembourg, Belgium), but still with Luxembourg as the city.
Which stage label appears repeatedly among disclosed deals, and does “Series Unknown” materially show up?
“Series Unknown” is a prominent labeling pattern in the table overall; for example, RoasterCup (2026-01-01, $180K) is “Series Unknown,” STOKR is “Series A” (not unknown), and other firms like Artec Group (2025-06-17, $17M) are also “Series Unknown,” indicating multiple disclosed rounds outside named series.
Where do the oldest and most recent rounds land, and is there a recent build-up of larger tickets?
The span runs from 2020-06-15 (Aiva Technologies, $2M) to 2026-05-26 (Deelan, undisclosed). Several of the larger disclosed amounts occur in the mid-2020s window, including Tulum Energy’s $27M (2025-07-07) and Helical’s $10M (2026-04-13), but the single biggest disclosed deal remains anchored in 2022 for ArcelorMittal.
Are there noteworthy low-end disclosed rounds compared to the largest tickets?
At the low end, Stronger’s disclosed $30K pre-seed (2022-10-15) sits far below the top disclosed rounds—especially ArcelorMittal’s $2.2B—highlighting a wide dispersion between small disclosed checks and the largest financings.
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