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ROTHBERG JONATHAN M

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

Total Filings

2

Stocks Covered

1

Latest Filing

Sep 11, 2025

Filings

QSI

Quantum-Si Inc

SC 13D/A · Sep 11, 2025

7.8%

14.3M shares

QSI

Quantum-Si Inc

SC 13D/A · Jan 1, 2025

11.5%

14.2M shares