Barfinex
Yassine Elmandjra

Yassine Elmandjra

Portfolio Manager responsible for trade execution and rebalancing of ARK ETFs · ARK Invest

Executed block trades, intraday rebalances and allocation changes that directly affected liquidity and price formation of ARK-held securities

Managed day-to-day portfolio construction and trade execution for ARK's thematic ETFs, translating research-driven allocation decisions into concrete orders in equity and digital-asset markets. Responsibilities included sizing positions, placing block trades, coordinating with brokers for execution algorithms and overseeing intraday rebalances to keep ETF holdings aligned with target exposures. Made tactical allocation changes and executed liquidity-provision operations during periods of large inflows or outflows, thereby directly influencing market depth for concentrated holdings. These operational actions reduced implementation risk for ARK funds but also created observable market impact in names where ARK held large percentage stakes, affecting spreads and price slippage during scaling events. By operationalizing the link between ARK's investment theses and market execution, established the channel through which fund-level decisions translated into microstructure outcomes. The concrete execution choices and timing of trades under this role materially shaped how quickly positions were sized, how redemptions were met and how the 'Ark' instrument interacted with underlying market liquidity.

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