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Ridgeback Capital Investments L.P.

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

Total Filings

7

Stocks Covered

4

Latest Filing

Nov 14, 2025

Filings

Semler Scientific, Inc.

SC 13G/A · Nov 14, 2025

0.0%

0 shares

iTeos Therapeutics, Inc.

SC 13G/A · Nov 14, 2025

0.0%

0 shares

iTeos Therapeutics, Inc.

SC 13G · Jul 25, 2025

5.1%

1.9M shares

Semler Scientific, Inc.

SC 13G · Jul 16, 2025

6.9%

976K shares

iTeos Therapeutics, Inc.

SC 13G · Jun 4, 2025

3.8%

1.4M shares

Affimed N.V.

SC 13G/A · May 20, 2025

0.0%

0 shares

Pyxis Oncology, Inc.

SC 13G/A · Feb 14, 2025

0.6%

359K shares