13F Insight
DOSSIER · 13F-HR · Q1 2026

DISCIPLINED GROWTH INVESTORS INC /MN

$4.9B in tracked AUM across 61 positions as of Q1 2026.

DG
CIK 0001050442 · last filed Mar 31, 2026
Total AUM
$4.9B
as of Q1 2026
Holdings
61
—
positions
Whale Score
66
66
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

Based on the SEC 13F filing data provided for Disciplined Growth Investors Inc /MN for the period ending September 30, 2025, here is a comprehensive analysis.

1. Portfolio Overview

The filing reveals a period of significant portfolio restructuring and substantial capital reduction. The total portfolio value contracted by 49.9%, decreasing from $5.23 billion in the previous quarter (June 30, 2025) to $2.62 billion. This drastic reduction in Assets Under Management (AUM) suggests either large...

The portfolio is highly concentrated, consisting of only 33 holdings. The top 10 positions account for approximately 84.6% of the total portfolio value, indicating a high-conviction strategy with little diversification at the individual security level. The management team aggressively reshaped the portfolio this quarter, executing 29 exits and initiating 12 new positions, with zero holdings remaining unchanged.

2. Key Holdings

The portfolio is dominated by a few high-conviction technology and infrastructure plays, with the top three positions comprising nearly half (46.8%) of the total assets.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q1 2026. Methodology

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
H2906T109
GARMIN LTD SHS
$309M1.3M6.3%02
PLXS
PLEXUS CORP COM
$303M1.5M6.2%03
PSTG
EVERPURE INC CL A
$276M4.7M5.6%04
EXE
EXPAND ENERGY CORPORATION COM
$261M2.4M5.3%05
VSAT
VIASAT INC COM
$259M5.7M5.3%06
CTRA
COTERRA ENERGY INC COM
$225M6.4M4.6%07
ANET
ARISTA NETWORKS INC COM SHS
$222M1.8M4.6%08
CGNX
COGNEX CORP COM
$212M4.3M4.3%09
AKAM
AKAMAI TECHNOLOGIES COM
$191M1.7M3.9%10
SMTC
SEMTECH CORP COM
$170M2.2M3.5%

Filing history

2026Q1Mar 31
$4.9B▼ 6.5%
61 positionsView →2025Q4Dec 31
$5.2B▲ 99.4%
61 positionsView →2025Q3Sep 30
$2.6B▼ 49.9%
33 positionsView →2025Q2Jun 30
$5.2B▲ 8.2%
64 positionsLocked2025Q1Mar 31
$4.8B▼ 8.1%
64 positionsLocked2024Q4Dec 31
$5.3B▼ 0.5%
65 positionsLocked2024Q3Sep 30
$5.3B▼ 0.4%
69 positionsLocked2024Q2Jun 30
$5.3B▼ 3.1%
66 positionsLocked2024Q1Mar 31
$5.5B▲ 19.7%
68 positionsLocked2023Q4Dec 31
$4.6B▲ 9.0%
63 positionsLocked2023Q3Sep 30
$4.2B▼ 5.2%
65 positionsLocked2023Q2Jun 30
$4.4B▲ 13.7%
64 positionsLocked
Showing 12 of 77