Madryn Asset Management Portfolio Concentration: A Deep Dive into STIM Holdings

Madryn Asset Management LP maintains a highly concentrated portfolio as of June 30, 2026, with NEURONETICS Inc (STIM) representing nearly two-thirds of the total value.

By Insiderset.Aug 21, 2026, 5:03 AM
Madryn Asset Management Portfolio Concentration: A Deep Dive into STIM Holdings

As of June 30, 2026, Madryn Asset Management LP, identified by its slug madryn-asset-management-lp, has demonstrated a significantly concentrated investment strategy. The firm's portfolio consists of only one holding, showcasing an extreme level of concentration not typically seen in diversified funds.

The largest position within Madryn Asset Management LP's portfolio is held by NEURONETICS Inc (STIM). According to the provided data, STIM accounts for 65.29% of the total portfolio value, which stands at $24,102,634 as of the specified date.

This concentration is further highlighted by the sector allocation data showing that Healthcare represents 100% of the portfolio's value. This indicates that Madryn Asset Management LP has chosen to allocate its entire investment universe into this single sector, specifically backing STIM.

Additional details reinforce the singular focus: the top holdings by weight list STIM as the sole position at 65.29%, and the changed holdings data confirms that there is only one holding in total, with a slight increase of 0.35% in its share count from the previous period.

While the provided information does not include details on other potential positions or diversification metrics beyond the top five, it clearly shows that Madryn Asset Management LP's investment thesis is heavily centered around NEURONETICS Inc (STIM). Investors analyzing this fund should be aware of its unique structure and the significant exposure concentrated in one stock.

Madryn Asset Management Portfolio Concentration: A Deep Dive into STIM Holdings | InsiderSet