Research

Notes, theses, and half-dangerous ideas.

A compact file of activist notes, distressed narratives, and high-conviction market observations.

MAY 2026, STO:CAST

Castellum AB: Macro-Micro Feedback Loop

Weak leasing and slow occupancy recovery leave Castellum contending with a multi-year refinancing wall and structural office oversupply, at a time when Swedish rates are relatively elevated. Although the balance sheet currently avoids covenant breaches, rolling SEK 10.6bn of 2026 maturities at higher spreads, combined with fragile property valuations, makes equity upside limited and downside risk tied to Riksbank policy, disposal economics, and persistent office weakness; the SEK 1.7bn buyback offers limited comfort at current valuations.

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APRIL 2026, XETR:BOSS

Hugo Boss: Resetting the Brand at the Worst Possible Point in the Cycle

After an aggressive brand revamp that failed to translate into durable top‑line momentum, Hugo Boss now faces a self‑inflicted earnings air pocket just as discretionary spending weakens, with management guiding for a mid‑ to high‑single‑digit sales decline and a clear step down in EBIT in 2026 while slashing the dividend by 97% to the legal minimum; although the balance sheet itself is not distressed, this strategic “reset” pushes meaningful profit recovery out to 2027 and leaves the equity highly exposed to any further deterioration in premium‑apparel demand, execution slip‑ups in channel and pricing mix, or renewed ESG scrutiny around labour and sourcing practices that could further compress multiples at a time when investors are already rotating away from mid‑tier fashion risk.

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MARCH 2026, XETR:PBB

Deutsche Pfandbriefbank: The High Price of Portfolio Cleanup

After definitively exiting the US market, where a concentrated share of NPLs had been weighing on the portfolio, pbb’s balance sheet absorbed substantial losses in 2025, with a net loss of roughly €280-290 million driven by around €400 million in loan loss provisions and US exit‑related charges; despite management’s more constructive tone, the 2026 pre‑tax profit guidance of only about €30-40 million is extremely thin relative to both recent losses and the bank’s balance sheet size, leaving earnings highly vulnerable to even modest additional credit deterioration, weaker collateral values in commercial real estate, or small execution and funding shocks.

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FEBRUARY 2026, BNB:ETHEUR

Ethereum's Fusaka Update: Cheaper Gas, Dirtier Chain

Ethereum's December 2025 Fusaka upgrade delivered its promise: L1 gas limit jumped from 45M to 60M units, slashing transaction costs and boosting throughput for DeFi, NFTs, and L2s. Daily transactions rose ~50%, active addresses ~60-78%. But here's the catch: address poisoning attacks tripled post-upgrade, with Etherscan flagging dust sends (USDT/USDC < $0.01) exploding 612% and comprising 10-15% of txns, 25-35% of addresses. Is 'growth' just bots poisoning wallets at scale?

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