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Yiheng Capital Partners, L.P.

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

Total Filings

22

Stocks Covered

6

Latest Filing

Nov 13, 2025

Filings

Inventiva S.A.

SC 13G/A · Nov 13, 2025

5.5%

7.6M shares

Inventiva S.A.

SC 13G/A · Nov 13, 2024

8.3%

4.3M shares

ACM Research, Inc.

SC 13G/A · Nov 13, 2024

1.2%

666K shares

Noah Holdings Ltd

SC 13G/A · Feb 14, 2024

10.5%

6.7M shares

Inventiva S.A.

SC 13G/A · Feb 14, 2024

6.3%

2.6M shares

ACM Research, Inc.

SC 13G/A · Feb 14, 2024

9.7%

5.4M shares

Hollysys Automation Technologies, LTD

SC 13G/A · Feb 14, 2024

0.0%

0 shares

Hollysys Automation Technologies, LTD

SC 13G/A · Feb 14, 2024

6.5%

4.0M shares

Hollysys Automation Technologies, LTD

SC 13G · Feb 14, 2024

6.5%

4.0M shares

Smart Global Holdings, Inc.

SC 13G/A · Feb 14, 2024

0.0%

0 shares

Smart Global Holdings, Inc.

SC 13G/A · Feb 14, 2024

6.1%

2.954 shares

Smart Global Holdings, Inc.

SC 13G · Feb 14, 2024

5.6%

1.4M shares

N/A

OneSmart International Education Group Limited

SC 13G/A · Feb 14, 2023

0.0%

0 shares

Noah Holdings Ltd

SC 13G/A · Feb 14, 2023

10.9%

3.4M shares

Inventiva S.A.

SC 13G · Feb 14, 2023

6.5%

2.6M shares

Himax Technologies Inc.

SC 13G/A · Feb 14, 2023

3.0%

5.1M shares

ACM Research, Inc.

SC 13G/A · Feb 14, 2023

9.7%

5.3M shares

Himax Technologies Inc.

SC 13G/A · Mar 1, 2022

5.1%

8.9M shares

N/A

OneSmart International Education Group Limited

SC 13G/A · Feb 14, 2022

11.2%

463.6M shares

ACM Research, Inc.

SC 13G · Feb 14, 2022

8.2%

1.4M shares

Himax Technologies Inc.

SC 13G/A · Feb 14, 2022

5.1%

8.9M shares

Noah Holdings Ltd

SC 13G/A · Feb 14, 2022

10.8%

3.3M shares