Investor Bleichroeder LP
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Bleichroeder LP . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2025-08-14 13G/A APTO / Aptose Biosciences Inc. 163,032 41,666
2025-08-14 13G NMTC / NeuroOne Medical Technologies Corporation 4,000,000
2025-08-14 13G/A SMTK / SmartKem, Inc. 333,332 231,666
2025-08-14 13G DTIL / Precision BioSciences, Inc. 1,075,000
2025-08-08 13D/A 1,367,807
2025-05-13 13G/A APTO / Aptose Biosciences Inc. 163,032
2025-05-02 13D/A 734,645
2025-04-22 13D/A SCND / Scientific Industries, Inc. 2,465,026 2,965,026
2025-04-07 13D/A 380,000
2025-04-07 13D 380,000
2025-03-31 13G SMTK / SmartKem, Inc. 333,332
2025-03-31 13G CRIS / Curis, Inc. 1,035,662
2025-03-28 13D/A 3,182,239
2025-03-24 13G/A 158,058
2025-03-24 13G/A APTO / Aptose Biosciences Inc. 163,032
2025-03-24 13G/A BRFH / Barfresh Food Group, Inc. 1,153,915 1,390,758
2025-03-21 13G/A IVAC / Intevac, Inc. 5,039,023 5,039,023
2025-03-21 13G/A MXDHF / MDxHealth SA 7,378,333 7,429,609
2025-03-21 13G/A CUE / Cue Biopharma, Inc. 6,127,662 6,127,662
2025-03-21 13G/A DUOT / Duos Technologies Group, Inc. 1,504,934 1,504,934
2025-03-21 13G/A 849,367
2025-03-21 13G/A GUER / Guerrilla RF, Inc. 800,000 800,000
2025-03-21 13G/A IDN / Intellicheck, Inc. 2,073,583 2,073,583
2025-03-21 13G/A APTO / Aptose Biosciences Inc. 3,750,000
2025-03-21 13G/A BRFH / Barfresh Food Group, Inc. 1,153,915 1,153,915
2025-03-21 13D/A SCND / Scientific Industries, Inc. 2,465,026 2,465,026
2025-03-21 13D/A 3,182,239
2025-03-21 13D/A INVE / Identiv, Inc. 5,079,713 5,079,713
2025-02-13 13G/A MXDHF / MDxHealth SA 7,378,333
2025-02-13 13G APTO / Aptose Biosciences Inc. 3,750,000
2024-11-19 13D LIQT / LiqTech International, Inc. 573,828 3,182,239
2024-11-13 13D/A SCND / Scientific Industries, Inc. 2,465,026 2,465,026
2024-10-07 13G/A CUE / Cue Biopharma, Inc. 2,755,028 6,127,662
2024-10-03 13G/A CMPO / CompoSecure, Inc. 3,097,550 3,897,550
2024-10-03 13G/A MXDHF / MDxHealth SA 3,878,333 8,378,333
2024-05-22 13D/A INVE / Identiv, Inc. 5,079,713 5,079,713
2024-04-16 13G GUER / Guerrilla RF, Inc. 800,000
2024-04-09 13D/A 1,610,888
2024-04-04 13D/A INVE / Identiv, Inc. 5,029,736 5,079,713
2024-03-11 13G CUE / Cue Biopharma, Inc. 2,755,028
2024-03-11 13G EVOK / Evoke Pharma, Inc. 849,367
2024-02-14 13G/A MXDHF / MDxHealth SA 38,783,330 3,878,333
2024-02-14 13G/A LIQT / LiqTech International, Inc. 4,457,662 573,828
2024-02-14 13G/A IVAC / Intevac, Inc. 5,020,973 5,039,023
2024-02-14 13G/A DUOT / Duos Technologies Group, Inc. 1,463,430 1,504,934
2024-02-14 13G/A CMPO / CompoSecure, Inc. 3,089,450 3,097,550
2024-02-14 13G/A BRFH / Barfresh Food Group, Inc. 800,287 1,153,915
2023-12-15 13D SCND / Scientific Industries, Inc. 905,026 2,465,026
2023-12-01 13G/A DRRX / DURECT Corporation 2,641,463 0
2023-11-13 13D/A 1,610,888
2023-10-23 13D/A INVE / Identiv, Inc. 2,884,495 5,029,736
2023-05-08 13D INVE / Identiv, Inc. 4,938,637 2,884,495
2023-02-14 13G/A BRFH / Barfresh Food Group, Inc. 725,287 800,287
2023-02-14 13G/A CMPO / CompoSecure, Inc. 2,456,285 3,089,450
2023-02-14 13G/A DUOT / Duos Technologies Group, Inc. 1,283,162 1,463,430
2023-02-14 13G/A DRRX / DURECT Corporation 26,414,656 2,641,463
2023-02-14 13G/A INVE / Identiv, Inc. 4,971,385 4,938,637
2023-02-14 13G/A IVAC / Intevac, Inc. 4,949,355 5,020,973
2023-02-14 13G/A LIQT / LiqTech International, Inc. 3,826,587 4,457,662
2023-02-14 13G/A SVRE / SaverOne 2014 Ltd. - Depositary Receipt (Common Stock) 605,000
2023-02-14 13G/A SCND / Scientific Industries, Inc. 836,842 905,026
2023-02-14 13G/A MXDHF / MDxHealth SA 23,783,330 38,783,330
2023-02-14 13D/A 1,610,888
2022-10-12 13D/A 1,610,888
2022-07-05 13D/A 1,610,888
2022-06-09 13G 1,210,000
2022-05-18 13G/A LIQT / LiqTech International, Inc. 2,175,948 3,826,587
2022-05-17 13G/A CMPO / CompoSecure, Inc. 1,588,261 2,456,285
2022-04-11 13G CMPO / CompoSecure, Inc. 1,588,261
2022-03-09 13D/A 1,610,888
2022-02-14 13G/A SCND / Scientific Industries, Inc. 836,842 836,842
2022-02-14 13G/A G7S24C103 / PIONEER MERGER CORP -CLASS A SPECIAL PURPOSE ACQUISITION COMPANIES 2,125,000
2022-02-14 13G/A MXDHF / MDxHealth SA 23,783,330
2022-02-14 13G/A LIQT / LiqTech International, Inc. 2,158,448 2,175,948
2022-02-14 13G/A ISPC / iSpecimen Inc. 618,180 342,180
2022-02-14 13G/A IDN / Intellicheck, Inc. 2,228,678 2,073,583
2022-02-14 13G/A INVE / Identiv, Inc. 3,931,252 4,971,385
2022-02-14 13D/A 1,610,888
2022-02-14 13G/A DUOT / Duos Technologies Group, Inc. 765,293 1,283,162
2022-02-14 13G/A CORS / Corsair Partnering Corp - Class A 1,250,000
2022-02-14 13G/A / BARFRESH FOOD GR 9,428,705 725,287
2021-12-16 13D/A 1,610,888
2021-11-12 13G MXDHF / MDxHealth SA 21,783,330
2021-10-07 13D/A 1,610,888
2021-08-17 13D/A 1,610,888
2021-07-16 13D/A 1,610,888
2021-07-09 13G ISPC / iSpecimen Inc. 618,180 618,180
2021-07-09 13G CORS.U / Corsair Partnering Corporation Units, each consisting of one Class A ordinary share and one-third of 1,250,000
2021-06-25 13G SCND / Scientific Industries, Inc. 836,842 836,842
2021-06-24 13D/A 1,610,888
2021-06-08 13G BRFH / Barfresh Food Group, Inc. 9,428,705
2021-05-19 13D/A 1,610,888 1,610,888
2021-05-19 13D/A 1,610,888
2021-03-02 13G/A DUOT / Duos Technologies Group, Inc. 453,616 765,293
2021-02-16 13G/A DRRX / DURECT Corporation 26,414,656 26,414,656
2021-02-16 13G/A DRRX / DURECT Corporation 704,044 26,414,656
2021-02-12 13G/A INVE / Identiv, Inc. 2,066,339 3,931,252
2021-02-12 13G/A RIBT / RiceBran Technologies 2,003,334 1,703,334
2021-02-12 13G/A IVAC / Intevac, Inc. 4,976,855 4,949,355
2021-02-12 13G/A DUOT / Duos Technologies Group, Inc. 330,354 453,616
2021-01-28 13G LIQT / LiqTech International, Inc. 2,158,448 2,158,448
2021-01-28 13G PACXU / Pioneer Merger Corp - Units (1 Ord Share Class A & 1/3 War) 2,282,285 2,282,285
2021-01-28 13G LIQT / LiqTech International, Inc. 2,158,448 2,158,448
2021-01-28 13G PACXU / Pioneer Merger Corp - Units (1 Ord Share Class A & 1/3 War) 2,282,285
2021-01-06 13G/A IDN / Intellicheck, Inc. 2,738,314 2,228,678
2020-10-26 13G/A SAVA / Cassava Sciences, Inc. 784,314 784,314
2020-10-24 13G/A SAVA / Cassava Sciences, Inc. 1,739,540 784,314
2020-10-09 13G/A OEG / Orbital Energy Group Inc 0 0
2020-10-08 13G/A OEG / Orbital Energy Group Inc 3,700,542 0
2020-02-12 13G/A SAVA / Cassava Sciences, Inc. 2,433,831 1,739,540
2020-02-12 13G/A ARCW / ARC Group Worldwide Inc 2,158,467 2,158,467
2020-02-12 13G/A INVE / Identiv, Inc. 1,888,004 2,066,339
2020-02-12 13G/A IDN / Intellicheck, Inc. 2,738,314 2,738,314
2020-02-12 13G/A IVAC / Intevac, Inc. 4,976,855 4,976,855
2020-02-12 13G RIBT / RiceBran Technologies 2,003,334
2020-02-12 13G/A OEG / Orbital Energy Group Inc 3,700,542 3,700,542
2020-02-12 13G/A DRRX / DURECT Corporation 26,476,546 704,044
2020-02-12 13G/A DUOT / Duos Technologies Group, Inc. 4,625,000 330,354
2020-01-09 13G/A ARQL / ArQule, Inc. 15,928,628 2,750,000
2019-09-27 13G/A DUOT / Duos Technologies Group, Inc. 4,000,000 4,625,000
2019-09-13 13G SAVA / Cassava Sciences, Inc. 2,433,831
2019-09-06 13G DUOT / Duos Technologies Group, Inc. 4,000,000 4,000,000
2019-09-06 13G IVAC / Intevac, Inc. 4,976,855 4,976,855
2019-09-06 13G OEG / Orbital Energy Group Inc 3,700,542 3,700,542
2019-09-06 13G/A ARQL / ArQule, Inc. 15,928,628 15,928,628
2019-09-06 13G DRRX / DURECT Corporation 26,476,546
2019-09-05 13G OEG / Orbital Energy Group Inc 3,700,542
2019-09-05 13G DUOT / Duos Technologies Group, Inc. 4,000,000
2019-09-05 13G IVAC / Intevac, Inc. 4,976,855
2019-09-05 13G IDN / Intellicheck, Inc. 2,738,314
2019-09-05 13G ARCW / ARC Group Worldwide Inc 2,158,467
2019-09-05 13G INVE / Identiv, Inc. 1,888,004
2019-09-05 13D ARDM / Aradigm Corp. 4,279,681
2019-09-05 13G ARQL / ArQule, Inc. 15,928,628