Diesslin Group Inc.: Investment Activity Analysis

Diesslin Group Inc., a prominent investment entity, saw substantial shifts in its portfolio holdings during the quarter ending June 30, 2026.

Prominent Purchases

The investor demonstrated strong buying activity, notably increasing their stake in Vanguard Index Funds ETF (VTV). This position represents a significant portion of the portfolio and was held at full strength previously.

• Diesslin Group Inc. also significantly boosted its holdings in iShares Core Small-Cap Growth ETF (SMMD), adding over 20,543 shares quarter-over-quarter.

Furthermore, the portfolio saw additions to several other positions:

• The Vanguard Index Fund (VOE) allocation increased by approximately 24,678 shares, representing a substantial growth in this holding.
• New positions were initiated with Vaneck ETF Trust (PFXF), adding about 11,138 shares.
• INVESCO Exchange Traded Fund (PRF) was added to the portfolio at full strength previously.

Major Sales and Decreases

The most significant change during this quarter involved a major sale of Berkshire Hathaway Inc. Class B shares (BRK-B). The investor sold approximately 52,946 shares, leading to a substantial decrease in the position's allocation percentage.

• Another notable exit was from Janus Detroit Small Cap Core Fund Trust (JAAA), which saw its share count drop by around 45,250 shares.

Besides these major changes, several other holdings experienced decreases:

• The Vanguard Index Fund ETF Shares (VOE) allocation decreased slightly from the previous quarter.
• Diesslin Group Inc. also saw a reduction in its holding of Intel Corporation (INTC), though this was not explicitly marked as a sale but rather an overall decrease in position size.

The portfolio maintained significant exposure to Vanguard and iShares funds, which together constitute the majority of holdings by value according to the provided data. Other additions included WP Carey Inc. (WPC) and SPDR Series Trust ETFs (SDY), though these are minor allocations compared to the top positions.

Overall Portfolio Dynamics

The portfolio's structure, as detailed in the filing, shows a heavy concentration in Vanguard Index Funds and iShares ETFs. The total portfolio value stood at $258,931,193 as of June 30.

Diesslin Group Inc.'s actions this quarter highlight their focus on broad-based index funds and select trusts while strategically reducing exposure in certain large-cap stocks like BRK-B. Their buying momentum was evident in several key holdings.