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DRIEHAUS CAPITAL MANAGEMENT LLC

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

Total Filings

51

Stocks Covered

23

Latest Filing

Nov 14, 2025

Filings

Planet Labs PBC

SC 13G · Nov 14, 2025

5.0%

14.4M shares

Paymentus Holdings, Inc.

SC 13G/A · Nov 14, 2025

5.4%

2.5M shares

Korro Bio, Inc.

SC 13G/A · Nov 14, 2025

7.2%

672K shares

Apogee Therapeutics, Inc.

SC 13G/A · Nov 14, 2025

4.7%

2.2M shares

Solaris Energy Infrastructure, Inc.

SC 13G/A · Nov 14, 2025

2.2%

962K shares

Blue Foundry Bancorp

SC 13G/A · Sep 10, 2025

1.9%

401K shares

Paymentus Holdings, Inc.

SC 13G/A · Aug 14, 2025

7.2%

2.5M shares

Dynamix Corporation

SC 13G/A · Aug 14, 2025

4.5%

748K shares

Surrozen, Inc.

SC 13G/A · Aug 14, 2025

0.8%

68K shares

Quinstreet, Inc.

SC 13G/A · Aug 14, 2025

0.0%

0 shares

Septerna, Inc.

SC 13G/A · Jun 10, 2025

10.5%

4.7M shares

Surrozen, Inc.

SC 13G · May 15, 2025

6.3%

205K shares

Solaris Energy Infrastructure, Inc.

SC 13G · May 15, 2025

5.3%

2.0M shares

Quinstreet, Inc.

SC 13G · May 15, 2025

5.6%

3.2M shares

Paymentus Holdings, Inc.

SC 13G · May 15, 2025

5.9%

1.9M shares

Dynamix Corporation

SC 13G · May 15, 2025

5.4%

900K shares

Septerna, Inc.

SC 13G/A · May 15, 2025

7.0%

3.1M shares

Korro Bio, Inc.

SC 13G · Feb 14, 2025

5.3%

495K shares

Septerna, Inc.

SC 13G · Feb 14, 2025

5.8%

2.6M shares

Apogee Therapeutics, Inc.

SC 13G · Nov 14, 2024

5.6%

2.5M shares

Heritage Insurance Holdings, Inc.

SC 13G/A · Jun 10, 2024

4.1%

1.3M shares

Applied Optoelectronics, Inc.

SC 13G/A · Jun 10, 2024

2.2%

844K shares

Heritage Insurance Holdings, Inc.

SC 13G · Feb 14, 2024

6.3%

1.9M shares

Applied Optoelectronics, Inc.

SC 13G · Feb 14, 2024

7.8%

2.8M shares

Blue Foundry Bancorp

SC 13G/A · Feb 14, 2024

6.8%

1.7M shares

Sonendo, Inc.

SC 13G/A · Feb 14, 2024

4.8%

2.6M shares

Crinetics Pharmaceuticals, Inc.

SC 13G/A · Feb 14, 2024

7.5%

5.0M shares

Xenon Pharmaceuticals Inc.

SC 13G/A · Feb 14, 2024

5.9%

4.3M shares

Xponential Fitness, Inc.

SC 13G · Dec 8, 2023

1.8%

551K shares

The Real Good Food Company, Inc.

SC 13G/A · Nov 13, 2023

3.3%

643K shares

MELI Kaszek Pioneer Corp.

SC 13G/A · Jul 10, 2023

0.0%

0 shares

Xponential Fitness, Inc.

SC 13G · Feb 13, 2023

7.9%

2.2M shares

Sonendo, Inc.

SC 13G · Feb 13, 2023

7.4%

3.7M shares

Blue Foundry Bancorp

SC 13G · Feb 13, 2023

5.4%

1.5M shares

Xenon Pharmaceuticals Inc.

SC 13G/A · Feb 10, 2023

7.5%

4.7M shares

MELI Kaszek Pioneer Corp.

SC 13G/A · Feb 10, 2023

7.0%

2.1M shares

The Real Good Food Company, Inc.

SC 13G/A · Feb 10, 2023

11.7%

723K shares

DICE Therapeutics, Inc.

SC 13G/A · Nov 10, 2022

4.0%

1.9M shares

First Light Acquisition Group, Inc.

SC 13G/A · Oct 13, 2022

4.8%

200K shares

First Light Acquisition Group, Inc.

SC 13G/A · Oct 11, 2022

24.2%

1.0M shares

Elevation Oncology, Inc.

SC 13G/A · Jul 11, 2022

4.5%

1.0M shares

n/a )* The Real Good Food Company, Inc.

SC 13G · Jun 15, 2022

12.9%

797K shares

n/a )* MELI Kaszek Pioneer Corp.

SC 13G · Jun 13, 2022

6.6%

2.0M shares

Elevation Oncology, Inc.

SC 13G/A · Jun 10, 2022

6.5%

1.5M shares

CHANNELADVISOR CORP

SC 13G/A · Apr 8, 2022

4.7%

1.4M shares

Cytokinetics, Inc.

SC 13G/A · Feb 14, 2022

2.8%

2.3M shares

n/a )* First Light Acquisition Group, Inc.

SC 13G · Feb 14, 2022

5.2%

1.5M shares

n/a )* DICE Therapeutics, Inc.

SC 13G · Feb 14, 2022

5.6%

2.1M shares

n/a )* Elevation Oncology, Inc.

SC 13G · Feb 14, 2022

8.5%

2.0M shares

n/a )* Xenon Pharmaceuticals Inc.

SC 13G · Feb 14, 2022

6.0%

3.1M shares