Fred Martin - Disciplined Growth Investors Portfolio (Q2 2026)

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Disciplined Growth Investors, Fred Martin, has built a diversified portfolio of 58 publicly traded holdings with a total market value of $5.91B, according to the SEC 13F filed on Aug 14, 2026 (holdings as of quarter-end Jun 30, 2026). This analysis examines that filing to understand the investment strategy and recent portfolio adjustments.

The portfolio demonstrates a diversified approach to stock selection, with the top holding representing 7.3% of the total portfolio value. The top 5 holdings account for 31.2% of the overall portfolio allocation.

Recent portfolio activity shows 10 significant position adjustments, indicating active portfolio management and strategic repositioning. These changes reflect the investor's response to market conditions and evolving investment thesis.

Portfolio Statistics

58
Total Holdings
$5.9B
Portfolio Value
Jun 30, 2026
Latest Filing
7.3%
Largest Position

Top Holdings Analysis

The portfolio's top holdings reveal the investor's core investment thesis and sector preferences. The largest position in PLEXUS CORP COM (PLXS) represents 7.3% of the total portfolio, valued at $433.2M.

Rank Symbol Company Value Portfolio % Change
1 PLXS PLEXUS CORP COM $433.2M 7.3% -3.6%
2 VSAT VIASAT INC COM $425.9M 7.2% -16.2%
3 PSTG EVERPURE INC CL A $366.1M 6.2% -0.4%
4 GRMN GARMIN LTD SHS $315.2M 5.3% -0.3%
5 ANET ARISTA NETWORKS INC COM SHS $303.8M 5.1% -1.3%

For a complete analysis of all holdings and detailed portfolio breakdown by sector and market cap, visit our comprehensive holdings page.

Recent Portfolio Activity

Recent portfolio adjustments provide insights into the investor's evolving strategy and market outlook. The following table shows the top 10 most significant position changes from recent reporting periods (out of 191 total transactions), sorted by the magnitude of change.

For a complete history of all portfolio transactions and detailed activity analysis, visit our comprehensive activity page.

Symbol Company Quantity Change Date Action
CTRA Coterra Energy Inc. -6,395,098 Jun 30, 2026 SELL
DV DoubleVerify Holdings, Inc. +5,781,039 Jun 30, 2026 BUY
DVN Devon Energy Corporation +4,219,415 Jun 30, 2026 BUY
GTLB GitLab Inc. +2,398,874 Jun 30, 2026 BUY
SMCI Super Micro Computer, Inc. -2,323,742 Jun 30, 2026 SELL
CLB Core Laboratories Inc. -1,894,938 Jun 30, 2026 SELL
SPSC SPS Commerce, Inc. +1,312,943 Jun 30, 2026 BUY
SMTC Semtech Corporation -1,251,715 Jun 30, 2026 SELL
GEOS Geospace Technologies Corporati -1,101,426 Jun 30, 2026 SELL
AIOT PowerFleet, Inc. -1,057,572 Jun 30, 2026 SELL

Investment Strategy Insights

Disciplined Growth Investors's investment approach can be analyzed through several key metrics. The portfolio's concentration in top holdings suggests a diversified investment strategy, with significant positions in companies that align with the investor's long-term thesis.

The largest position in PLEXUS CORP COM (PLXS) demonstrates strong conviction in this particular investment opportunity. Recent activity shows a decrease of 3.6% in this position, indicating active portfolio management and strategic positioning.

Portfolio turnover can be assessed through recent activity patterns. The 10 most significant transactions shown here (out of 191 total transactions) suggest a highly active approach to portfolio management, with frequent strategic adjustments and position changes.

Additional Analysis

Complete Holdings

View all 58 holdings with detailed analysis

Trading Activity

Track all portfolio transactions and position changes

Performance Metrics

Analyze profit, winning trades, and investment returns

Sector Allocation

Analyze portfolio breakdown by sector and industry

Disciplined Growth Investors's portfolio as of Jun 30, 2026 reflects a strategic approach to equity investing with 58 holdings valued at $5.9B. The concentrated position in PLEXUS CORP COM and other top holdings demonstrates the investor's confidence in specific investment themes and long-term value creation opportunities. Recent activity indicates ongoing portfolio optimization and strategic repositioning.

For the most current portfolio data and detailed analysis, refer to the latest SEC 13F filings and our comprehensive holdings and activity pages, which are updated regularly with the latest filing information.

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