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Bleichroeder LP

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

Total Filings

36

Stocks Covered

16

Latest Filing

Feb 13, 2026

Filings

PRECISION BIOSCIENCES INC

SC 13G/A · Feb 13, 2026

8.2%

1.9M shares

Cellectar Biosciences, Inc.

SC 13G/A · Feb 13, 2026

4.6%

200K shares

Fluent, Inc.

SC 13G · Nov 14, 2025

9.6%

2.9M shares

Cellectar Biosciences, Inc.

SC 13G · Nov 14, 2025

6.1%

200K shares

SmartKem, Inc.

SC 13G/A · Nov 14, 2025

4.1%

232K shares

Aptose Biosciences Inc.

SC 13G/A · Aug 14, 2025

1.6%

42K shares

NEUROONE MEDICAL TECHNOLOGIES ORD

SC 13G · Aug 14, 2025

8.0%

4.0M shares

SmartKem, Inc.

SC 13G/A · Aug 14, 2025

5.0%

232K shares

PRECISION BIOSCIENCES INC

SC 13G · Aug 14, 2025

9.7%

1.1M shares

Aptose Biosciences Inc.

SC 13G/A · May 13, 2025

6.3%

163K shares

SmartKem, Inc.

SC 13G · Mar 31, 2025

8.9%

333K shares

Curis Inc

SC 13G · Mar 31, 2025

9.9%

1.0M shares

Aptose Biosciences Inc.

SC 13G/A · Mar 24, 2025

7.5%

163K shares

Evoke Pharma, Inc.

SC 13G/A · Mar 24, 2025

10.0%

158K shares

Barfresh Food Group Inc.

SC 13G/A · Mar 24, 2025

8.8%

1.4M shares

N/A

MDxHealth SA

SC 13G/A · Mar 21, 2025

15.0%

7.4M shares

Intevac, Inc.

SC 13G/A · Mar 21, 2025

19.1%

5.0M shares

Intellicheck, Inc.

SC 13G/A · Mar 21, 2025

11.1%

2.1M shares

N/A

Guerrilla RF, Inc.

SC 13G/A · Mar 21, 2025

7.7%

800K shares

Evoke Pharma, Inc.

SC 13G/A · Mar 21, 2025

10.0%

849K shares

Duos Technologies Group, Inc.

SC 13G/A · Mar 21, 2025

20.0%

1.5M shares

Cue Biopharma, Inc.

SC 13G/A · Mar 21, 2025

10.0%

6.1M shares

Barfresh Food Group Inc.

SC 13G/A · Mar 21, 2025

8.3%

1.2M shares

Aptose Biosciences Inc.

SC 13G/A · Mar 21, 2025

6.2%

3.8M shares

N/A

MDxHealth SA

SC 13G/A · Feb 14, 2025

14.9%

7.4M shares

Aptose Biosciences Inc.

SC 13G · Feb 14, 2025

6.2%

3.8M shares

LiqTech International, Inc.

SC 13D · Nov 19, 2024

33.7%

3.2M shares

N/A

Scientific Industries, Inc.

SC 13D/A · Nov 13, 2024

20.9%

2.5M shares

Cue Biopharma, Inc.

SC 13G/A · Oct 7, 2024

10.0%

6.1M shares

N/A

MDxHealth SA

SC 13G/A · Oct 3, 2024

17.7%

8.4M shares

CompoSecure, Inc.

SC 13G/A · Oct 3, 2024

4.7%

3.9M shares

Identiv, Inc.

SC 13D/A · May 22, 2024

19.9%

5.1M shares

Identiv, Inc.

SC 13D/A · Apr 4, 2024

19.9%

5.1M shares

N/A

Scientific Industries, Inc.

SC 13D · Dec 15, 2023

22.6%

2.5M shares

Identiv, Inc.

SC 13D/A · Oct 23, 2023

19.9%

5.0M shares

Identiv, Inc.

SC 13D · May 8, 2023

12.5%

2.9M shares