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William Blair Investment Management, LLC

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

Total Filings

78

Stocks Covered

46

Latest Filing

Nov 14, 2024

Filings

Veracyte, Inc

SC 13G/A · Feb 9, 2023

0.8%

558K shares

Merit Medical Systems Inc

SC 13G/A · Feb 9, 2023

6.6%

3.7M shares

Designer Brands Inc

SC 13G/A · Feb 9, 2023

4.0%

2.3M shares

CatchMark Timber Trust, Inc.

SC 13G/A · Feb 9, 2023

0.0%

0 shares

Denbury Inc

SC 13G/A · Feb 9, 2023

3.1%

1.5M shares

Alarm.com Holdings Inc

SC 13G/A · Feb 9, 2023

4.9%

2.5M shares

Universal Electronics Inc

SC 13G/A · Feb 9, 2023

4.9%

628K shares

Ligand Pharmaceuticals Incorporated

SC 13G/A · Feb 9, 2023

0.8%

141K shares

Leslie’s, Inc.

SC 13G/A · Feb 9, 2023

5.4%

10.0M shares

The Brink's Company

SC 13G/A · Feb 9, 2023

9.4%

4.4M shares

Euronet Worldwide Inc

SC 13G/A · Feb 9, 2023

5.1%

2.5M shares

Standard Motor Products Inc

SC 13G/A · Feb 9, 2023

5.1%

1.1M shares

Pure Storage, Inc.

SC 13G/A · Feb 9, 2023

1.6%

4.7M shares

Luxfer Holdings PLC

SC 13G/A · Feb 9, 2023

5.2%

1.4M shares

Ducommun Inc

SC 13G/A · Feb 9, 2023

4.6%

554K shares

Varonis Systems Inc

SC 13G · Feb 9, 2023

5.6%

6.2M shares

PagerDuty, Inc.

SC 13G · Feb 9, 2023

5.4%

4.9M shares

Revolve Group, Inc.

SC 13G/A · Feb 9, 2023

11.7%

4.8M shares

AudioCodes Ltd

SC 13G · Feb 9, 2023

5.2%

1.7M shares

Myers Industries Inc

SC 13G/A · Feb 9, 2023

4.3%

1.6M shares

Azenta, Inc.

SC 13G/A · Feb 9, 2023

2.6%

1.8M shares

National Vision Holdings Inc

SC 13G/A · Feb 9, 2023

8.8%

6.9M shares

BWX Technologies, Inc.

SC 13G/A · Feb 9, 2023

6.9%

6.2M shares

Overstock.com Inc

SC 13G/A · Feb 9, 2023

1.1%

510K shares

Orion Engineered Carbons S.A.

SC 13G/A · Feb 9, 2023

5.8%

3.6M shares

Mercury Systems Inc

SC 13G/A · Feb 9, 2023

9.0%

5.2M shares

National Vision Holdings Inc

SC 13G/A · Sep 6, 2022

10.9%

8.6M shares

Hanger Inc

SC 13G/A · Aug 8, 2022

4.6%

1.8M shares