SteelMill Master Fund LP

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

Total Filings

12

Stocks Covered

6

Latest Filing

Aug 14, 2025

Filings

WCC

WESCO International, Inc.

SC 13G/A · Aug 14, 2025

0.6%

279K shares

LITE

Lumentum Holdings Inc.

SC 13G/A · Aug 14, 2025

3.6%

2.5M shares

LITE

Lumentum Holdings Inc.

SC 13G · Mar 1, 2025

5.1%

3.5M shares

WCC

WESCO International, Inc.

SC 13G/A · Feb 14, 2025

4.6%

2.3M shares

WCC

WESCO International, Inc.

SC 13G/A · Nov 14, 2024

6.1%

3.0M shares

WCC

WESCO International, Inc.

SC 13G · Aug 9, 2024

5.0%

2.5M shares

WAVC.U

WAVERLEY CAPITAL ACQUISITION CORP. 1

SC 13G/A · Feb 14, 2023

0.0%

0 shares

EGGF.U

EG ACQUISITION CORP.

SC 13G/A · Feb 14, 2023

0.0%

0 shares

IOT

SAMSARA INC.

SC 13G/A · Feb 14, 2023

4.2%

5.3M shares

EGGF.U

EG ACQUISITION CORP.

SC 13G/A · Feb 11, 2022

8.3%

1.9M shares

IOT

SAMSARA INC.

SC 13G/A · Feb 11, 2022

6.4%

2.2M shares

BOAC

BLUESCAPE OPPORTUNITIES ACQUISITION CORP.

SC 13G/A · Feb 11, 2022

3.3%

2.0M shares