Arch Capital Portfolio Concentration Analysis: June 2026 Snapshot

As of June 30, 2026, the investment profile of Arch Capital Group Ltd. presents a highly concentrated picture despite its relatively small total portfolio value of $290,954. The analysis reveals that four specific holdings account for 100% of the assets under management, indicating minimal diversification across different sectors or companies at this scale.

The largest position by far is held in JANUS DETROIT STR TR (JAAA), which represents a staggering 68.4% allocation to the portfolio. This mutual fund holds an impressive number of shares, totaling 3,941,665 units.

Second on the list is ISHARES TR (SHYG), occupying a substantial 22.32% allocation with 1,531,250 shares outstanding in this holding.

The third significant position is ISHARES TR (IGSB), contributing an 8.45% stake to the portfolio with a total of 469,378 shares invested in this fund.

Lastly, ISHARES TR (HYG) holds a much smaller but still notable position at 0.82% allocation, with just 30,000 shares invested in this particular fund.

This portfolio structure highlights an extremely high level of concentration within the holdings listed for Arch Capital Group Ltd.. The data shows no change in these positions or sectors from prior periods, maintaining this focused allocation pattern.