Bitcoin for Asset Managers

An asset manager sizing a new position first asks what drives its supply. Bitcoin's answer sits in the protocol itself: the Bitcoin Core source caps total issuance at 21,000,000 BTC, enforced by the halving schedule in chainparams.cpp, not by a monetary policy committee. No equity, government bond or currency an asset manager already holds has supply fixed this way, which is the primary reason allocators treat bitcoin as a category of its own, separate from equities or commodities.

Flow data since the launch of spot ETFs supports that separation. BlackRock's iShares Bitcoin Trust held net assets of roughly 66.8 billion US dollars as of September 28, 2026, a scale that puts institutional bitcoin allocation on the same order of magnitude as established sector or commodity ETFs an asset manager already benchmarks against.

Crypto custody became a licensed financial service in Germany under § 1 Abs. 1a Satz 2 Nr. 6 KWG on January 1, 2020, and since December 30, 2024 MiCA licensing for crypto-asset service providers applies in full alongside it. An asset manager choosing a custodian for a fund's bitcoin exposure needs a provider that holds both licenses, or a passported MiCA license valid across the EU. Clearstream Banking, part of Deutsche Börse Group, offers institutional clients custody and settlement of bitcoin through their existing Clearstream accounts, with the MiCA-licensed Crypto Finance (Deutschland) GmbH as sub-custodian, a structure built to sit inside an asset manager's existing settlement workflow, not replace it.

German fund law already sets a specific ceiling. An open-ended German Spezial-AIF with fixed investment terms may hold crypto-assets for investment purposes only if their market value can be determined, and only up to 20 percent of the fund's value, under § 284 Abs. 2 Nr. 2 lit. j and Abs. 3 KAGB. That cap sets the outer boundary for a mandate before an asset manager even gets to the client's own risk appetite or the fund's investment policy.

Bank-level treatment gives a second reference point for sizing. The Basel Committee's prudential standard for cryptoasset exposures, in force since January 1, 2025, assigns bitcoin to Group 2, the unbacked-asset category, with a risk weight up to 1250 percent and total Group 2 exposure capped at 1 to 2 percent of a bank's Tier 1 capital. An asset manager advising an institutional client on suitability can use that bank-level cap as a conservative anchor for how concentrated a bitcoin position should be.

The same fixed supply that makes bitcoin its own asset class leaves no mechanism to absorb a demand shock, which is the direct source of its volatility. An IMF note found that the correlation between bitcoin price volatility and S&P 500 volatility rose more than four-fold after the pandemic began, compared with 2017 to 2019, so it diversifies a traditional portfolio less reliably than it once did.

On the regulatory side, ESMA warns that MiCA carries no investor compensation scheme for clients of crypto-asset service providers, so a fund's investors have no equivalent of deposit protection if a custodian fails to return the assets. An asset manager disclosing that gap to clients is disclosing a real difference from custody of listed securities, not a formality.

Finance Loop is the meeting place for asset managers, custodians and fund lawyers working on digital assets across Germany, Austria and Switzerland, and connects the finance, IT and AI communities with events in Frankfurt, Munich, Berlin and Hamburg. Finance Loop's Bitcoin for Investors seminar works through custody models, mandate structuring and portfolio scenarios for professionals who size positions for clients, not only for themselves.

Related pages: bitcoin in Germany, asset management in Germany and MiCA in Germany.

An open-ended German Spezial-AIF with fixed investment terms may hold crypto-assets for investment purposes up to 20 percent of the fund's value, and only when their market value can be reliably determined, under § 284 KAGB. The limit applies at fund level, on top of any mandate-specific restriction a client sets.

A firm holding customer bitcoin in Germany needs a crypto custody license under § 1 Abs. 1a Satz 2 Nr. 6 KWG, and since December 30, 2024 a MiCA license as a crypto-asset service provider as well. Clearstream Banking offers custody to institutional clients through Crypto Finance (Deutschland) GmbH, a MiCA-licensed sub-custodian, as one route into an existing settlement relationship.

That depends on the mandate's risk budget, not on a blanket answer. The Basel Committee's own bank cryptoasset standard caps unbacked-asset exposure at 1 to 2 percent of Tier 1 capital, a conservative anchor an asset manager can use for a suitability discussion, especially given the higher volatility bitcoin has shown against equities since 2020.