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DISCIPLINED GROWTH INVESTORS INC /MN

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

41

Stocks Covered

9

Latest Filing

Feb 17, 2026

Filings

Kornit Digital Ltd.

SC 13G · Feb 17, 2026

6.7%

3.0M shares

ZIPRECRUITER, INC.

SC 13G/A · Feb 17, 2026

8.8%

6.4M shares

Stitch Fix, Inc.

SC 13G/A · Feb 17, 2026

16.4%

19.5M shares

Proto Labs Inc

SC 13G/A · Feb 17, 2026

11.3%

2.7M shares

Core Laboratories Inc. /DE/

SC 13G/A · Feb 17, 2026

11.1%

5.2M shares

Alarm.com Holdings, Inc.

SC 13G/A · Feb 17, 2026

6.9%

3.4M shares

Powerfleet, Inc.

SC 13G/A · Feb 17, 2026

5.9%

7.9M shares

ZIPRECRUITER, INC.

SC 13G/A · Nov 14, 2025

5.7%

4.2M shares

Stitch Fix, Inc.

SC 13G/A · Nov 14, 2025

14.8%

17.5M shares

Proto Labs Inc

SC 13G/A · Nov 14, 2025

10.9%

2.6M shares

GEOSPACE TECHNOLOGIES CORP

SC 13G/A · Nov 14, 2025

9.0%

1.2M shares

Core Laboratories Inc. /DE/

SC 13G/A · Nov 14, 2025

12.8%

6.0M shares

Alarm.com Holdings, Inc.

SC 13G/A · Nov 14, 2025

6.7%

3.3M shares

Powerfleet, Inc.

SC 13G/A · Nov 14, 2025

5.5%

7.4M shares

MYRIAD GENETICS INC

SC 13G/A · Aug 14, 2025

0.8%

754K shares

Stitch Fix, Inc.

SC 13G/A · Aug 14, 2025

16.3%

18.6M shares

Proto Labs Inc

SC 13G/A · Aug 14, 2025

11.4%

2.7M shares

GEOSPACE TECHNOLOGIES CORP

SC 13G/A · Aug 14, 2025

9.7%

1.2M shares

Core Laboratories Inc. /DE/

SC 13G/A · Aug 14, 2025

11.6%

5.4M shares

Alarm.com Holdings, Inc.

SC 13G/A · Aug 14, 2025

7.0%

3.5M shares

Powerfleet, Inc.

SC 13G/A · Aug 14, 2025

6.0%

8.0M shares

ZIPRECRUITER, INC.

SC 13G · Aug 14, 2025

6.1%

4.5M shares

MYRIAD GENETICS INC

SC 13G · May 15, 2025

5.1%

4.3M shares

Stitch Fix, Inc.

SC 13G/A · May 15, 2025

16.6%

18.7M shares

Proto Labs Inc

SC 13G/A · May 15, 2025

11.2%

2.7M shares

Powerfleet, Inc.

SC 13G/A · May 15, 2025

6.1%

8.1M shares

GEOSPACE TECHNOLOGIES CORP

SC 13G/A · May 15, 2025

9.9%

1.3M shares

Core Laboratories Inc. /DE/

SC 13G/A · May 15, 2025

11.7%

5.5M shares

Alarm.com Holdings, Inc.

SC 13G/A · May 15, 2025

6.8%

3.4M shares

Stitch Fix, Inc.

SC 13G/A · Feb 14, 2025

15.8%

16.5M shares

Proto Labs Inc

SC 13G/A · Feb 14, 2025

8.9%

2.2M shares

GEOSPACE TECHNOLOGIES CORP

SC 13G/A · Feb 14, 2025

11.2%

1.4M shares

Core Laboratories Inc. /DE/

SC 13G/A · Feb 14, 2025

11.7%

5.5M shares

Alarm.com Holdings, Inc.

SC 13G/A · Feb 14, 2025

6.0%

2.9M shares

Powerfleet, Inc.

SC 13G/A · Feb 14, 2025

6.3%

8.4M shares

Core Laboratories Inc. /DE/

SC 13G · Nov 14, 2024

12.0%

5.7M shares

Powerfleet, Inc.

SC 13G · Nov 14, 2024

6.4%

8.9M shares

Alarm.com Holdings, Inc.

SC 13G · Nov 14, 2024

5.5%

2.9M shares

Proto Labs Inc

SC 13G/A · Nov 14, 2024

8.4%

2.1M shares

GEOSPACE TECHNOLOGIES CORP

SC 13G/A · Nov 14, 2024

12.1%

1.6M shares

Stitch Fix, Inc.

SC 13G/A · Nov 14, 2024

13.1%

13.7M shares