Siren, L.L.C.

Comprehensive Analysis of SEC 13F Filing: Siren, L.L.C.

1. Portfolio Overview

Siren, L.L.C. manages a concentrated portfolio valued at approximately $1.79 billion as of September 30, 2025, representing a decrease of 7.5% from the previous quarter's $1.93 billion. The portfolio consists of 81 holdings, indicating a focused investment strategy rather than broad diversification.

The fund demonstrates a distinct "barbell" approach in terms of asset allocation. A massive portion of the portfol...