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Hamamatsu Photonics KK: A Significant Addition to Oakmark Intl Small Cap's Portfolio

This article first appeared on GuruFocus .

Insights from Oakmark Intl Small Cap ( Trades , Portfolio )'s Recent N-PORT Filing

Oakmark Intl Small Cap ( Trades , Portfolio ) recently submitted its N-PORT filing for the third quarter of 2025, revealing strategic investment decisions made during this period. The Oakmark International Small Cap Fund is known for its focus on small-cap companies, investing at least 80% of its net assets in such stocks. The fund's managers are committed to long-term investments, seeking businesses with growth potential that are managed in a way that benefits shareholders. Oakmark's strategy involves purchasing securities priced significantly below their intrinsic value and patiently waiting for the market to recognize this value.

Hamamatsu Photonics KK: A Significant Addition to Oakmark Intl Small Cap's Portfolio
Hamamatsu Photonics KK: A Significant Addition to Oakmark Intl Small Cap's Portfolio

Summary of New Buy

Oakmark Intl Small Cap ( Trades , Portfolio ) added a total of six stocks, with the most significant addition being Hamamatsu Photonics KK ( TSE:6965 ). This purchase involved 1,921,400 shares, accounting for 1.61% of the portfolio, with a total value of 20,853,010 million. The second largest addition was Robertet SA ( XPAR:RBT ), consisting of 12,935 shares, representing approximately 0.93% of the portfolio, with a total value of 12,057,960. The third largest addition was Alten ( XPAR:ATE ), with 121,700 shares, accounting for 0.77% of the portfolio and a total value of 9,987,450.

Key Position Increases

Oakmark Intl Small Cap ( Trades , Portfolio ) also increased stakes in a total of 21 stocks. The most notable increase was in Bakkafrost P/F ( OSL:BAKKA ), with an additional 346,300 shares, bringing the total to 399,200 shares. This adjustment represents a significant 654.63% increase in share count, a 1.22% impact on the current portfolio, with a total value of kr18,296,830. The second largest increase was in Amplifon SpA ( MIL:AMP ), with an additional 812,800 shares, bringing the total to 1,807,600. This adjustment represents a significant 81.7% increase in share count, with a total value of 29,403,270.

Summary of Sold Out

Oakmark Intl Small Cap ( Trades , Portfolio ) completely exited three holdings in the third quarter of 2025. These include Sapiens International Corp NV ( NASDAQ:SPNS ), where all 477,619 shares were sold, resulting in a -1.05% impact on the portfolio. Additionally, Hakuhodo DY Holdings Inc ( TSE:2433 ) was liquidated, with all 1,100,700 shares sold, causing a -0.69% impact on the portfolio.

Key Position Reduces

Oakmark Intl Small Cap ( Trades , Portfolio ) also reduced positions in 33 stocks. The most significant changes include a reduction in JDE Peet's NV ( XAMS:JDEP ) by 429,000 shares, resulting in a -39.8% decrease in shares and a -0.92% impact on the portfolio. The stock traded at an average price of 27.58 during the quarter and has returned 18.54% over the past three months and 97.20% year-to-date. Additionally, iM Financial Group Inc ( XKRX:139130 ) was reduced by 1,229,323 shares, resulting in a -29.76% reduction in shares and a -0.86% impact on the portfolio. The stock traded at an average price of ?14,093.5 during the quarter and has returned 1.01% over the past three months and 81.40% year-to-date.

Portfolio Overview

As of the third quarter of 2025, Oakmark Intl Small Cap ( Trades , Portfolio )'s portfolio included 64 stocks. The top holdings were 3.42% in Azimut Holding SpA ( MIL:AZM ), 3.28% in Julius Baer Gruppe AG ( XSWX:BAER ), 3.08% in Atea ASA ( OSL:ATEA ), 2.88% in Duerr AG ( XTER:DUE ), and 2.71% in ISS AS ( OCSE:ISS ).

The holdings are mainly concentrated in nine of the eleven industries: Industrials, Consumer Cyclical, Technology, Financial Services, Healthcare, Consumer Defensive, Basic Materials, Communication Services, and Real Estate.

Hamamatsu Photonics KK: A Significant Addition to Oakmark Intl Small Cap's Portfolio
Hamamatsu Photonics KK: A Significant Addition to Oakmark Intl Small Cap's Portfolio
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