Flat Capital AB (publ) (FLAT-B.ST) Stock Analysis & Winston Score
Flat Capital AB is a Swedish investment company that puts money into private and public businesses, mostly in the technology and consumer sectors. It was founded by Sebastian Siemiatkowski, who also co-founded Klarna, the well-known European buy-now-pay-later company. Flat Capital acts like a holding company, taking stakes in startups and growth companies and helping them expand over time. The company makes money primarily through investment gains — when the value of its portfolio companies rises or when it sells stakes at a profit. It is based in Stockholm, Sweden, and operates mainly across Europe, though some portfolio companies have global reach. Its competitive edge comes largely from its founders' networks and their reputation in the fintech and tech startup world. The main risk is that its returns depend heavily on private market valuations, which can fall sharply during economic downturns, making earnings highly volatile and difficult to predict.
Winston Score: 35/100 — Below Average
Below-average fundamentals — multiple weak pillars.
- Quality: Mixed (10/30)
- Growth: Mixed (8/20)
- Cash Flow: Weak (0/10)
- Stability: Good (5/10)
- Valuation: Data not available (0/10)
- Ownership: Good (10/15)
Key Facts
Price: $12.31
Market Cap: $1.2B
Sector: Financial Services
Industry: Asset Management
Exchange: Stockholm Stock Exchange



