In Vitro and In Vivo Diagnostic Substances - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)
Ownership Change
(Percent)
2023-02-21 13D/A JE:QTNT / Quotient Ltd Highbridge Capital Management Llc 17,247,931 81.92
2023-01-20 13D ACHV / Achieve Life Sciences, Inc. Dialectic Capital Management, Lp 3,549,000 19.80 0.00
2022-12-15 13D JE:QTNT / Quotient Ltd Honeywell Capital Management Llc 14,644 0.40
2022-12-15 13D JE:QTNT / Quotient Ltd Whitebox Advisors Llc 22,043 0.60
2022-12-15 13D JE:QTNT / Quotient Ltd Bracebridge Capital, LLC 125,703 3.40
2022-12-15 13D JE:QTNT / Quotient Ltd Ci Investments Inc. 172,256 4.70
2022-12-15 13D JE:QTNT / Quotient Ltd Ameriprise Financial Inc 96,800 2.70 -98.12
2022-12-13 13D JE:QTNT / Quotient Ltd Highbridge Capital Management Llc 784,105 9.99 -96.26
2022-12-08 13D TRIB / Trinity Biotech plc - Depositary Receipt (Common Stock) MiCo IVD Holdings, LLC 46,122,698 29.99 0.00
2022-11-04 13D CDIO / Cardio Diagnostics Holdings, Inc. Philibert Robert 2,129,881 21.20
2022-11-03 13D CDIO / Cardio Diagnostics Holdings, Inc. Dogan Meeshanthini 2,271,916 22.30
2022-06-06 13D QDEL / QuidelOrtho Corporation Carlyle Group Inc. 12,460,183 18.60
2021-04-16 13D/A ICCC / ImmuCell Corporation Pessin Norman H 703,636 1.43 0.00
2021-03-01 13D/A VNRX / VolitionRx Limited Faulkes Martin Charles 2,236,943 4.20 13.13
2021-03-01 13D/A VNRX / VolitionRx Limited Reynolds Cameron John 2,674,167 5.10 4.34
2021-03-01 13D/A VNRX / VolitionRx Limited Innes Guy Archibald 1,925,701 3.70 2.67
2021-01-22 13D/A NTLA / Intellia Therapeutics, Inc. Novartis Institutes for BioMedical Research, Inc. 2,176,148 3.70 -50.00
2020-08-20 13D/A NTLA / Intellia Therapeutics, Inc. Novartis Institutes for BioMedical Research, Inc. 4,352,295 7.40 0.00
2020-07-09 13D/A VNRX / VolitionRx Limited Eight Corp Ltd 11,976,263 25.90 -0.57
2020-06-10 13D/A VNRX / VolitionRx Limited Eight Corp Ltd 12,045,332 23.80 0.00
2020-06-02 13D/A VNRX / VolitionRx Limited Eight Corp Ltd 12,045,332 23.80 0.00
2020-05-07 13D/A VNRX / VolitionRx Limited Eight Corp Ltd 12,045,332 29.20 0.03
2020-03-30 13D/A NTLA / Intellia Therapeutics, Inc. Novartis Institutes for BioMedical Research, Inc. 4,352,295 8.60 1.76
2020-03-04 13D BMRA / Biomerica, Inc. Palm Management (US) LLC 571,429 5.46
2019-08-01 13D VNRX / VolitionRx Limited Eight Corp Ltd 12,041,570 29.30 1.38
2019-08-01 13D VNRX / VolitionRx Limited Cotterford Co Ltd 12,041,570 29.30 1.38
2019-05-21 13D/A QDEL / QuidelOrtho Corporation Schuler Jack W 4,292,374 10.80 0.00
2019-05-20 13D/A QDEL / QuidelOrtho Corporation Schuler Jack W 4,292,374 10.80 -2.08
2019-04-01 13D/A ICCC / ImmuCell Corporation Rothschild Jonathan E 510,158 7.10 0.00
2019-03-28 13D/A ICCC / ImmuCell Corporation Pessin Norman H 703,636 1.53 46.59
2019-02-11 13D/A VNRX / VolitionRx Limited Innes Guy Archibald 1,875,701 5.30 14.59
2018-11-09 13D/A VNRX / VolitionRx Limited Faulkes Martin Charles 1,977,284 5.60 8.21
2018-11-09 13D/A VNRX / VolitionRx Limited Innes Guy Archibald 1,636,947 4.60 5.48
2018-11-09 13D/A VNRX / VolitionRx Limited Reynolds Cameron John 2,562,967 7.20 7.33
2018-03-23 13D/A NTLA / Intellia Therapeutics, Inc. Novartis Institutes for BioMedical Research, Inc. 4,277,073 10.10 3.56
2018-02-16 13D/A NTLA / Intellia Therapeutics, Inc. Orbimed Advisors Llc 2,113,000 4.99 -16.74
2018-02-09 13D/A QDEL / QuidelOrtho Corporation Schuler Jack W 4,383,734 12.90
2018-01-29 13D/A NTLA / Intellia Therapeutics, Inc. Orbimed Advisors Llc 2,537,684 5.99 0.00
2017-12-14 13D/A NTLA / Intellia Therapeutics, Inc. Novartis Institutes for BioMedical Research, Inc. 4,129,903 11.44 -25.90
2017-11-08 13D/A NTLA / Intellia Therapeutics, Inc. Orbimed Advisors Llc 2,537,684 5.99 -4.68
2017-09-19 13D/A ICCC / ImmuCell Corporation Rothschild Jonathan E 510,158 10.10 0.00
2017-08-11 13D ACHV / Achieve Life Sciences, Inc. Stewart Richard Alistair 2,126,727 19.40
2017-08-11 13D ACHV / Achieve Life Sciences, Inc. Clarke Anthony 726,873 6.60
2017-08-11 13D ACHV / Achieve Life Sciences, Inc. Clarke Anthony 726,873 6.60
2017-08-11 13D ACHV / Achieve Life Sciences, Inc. Stewart Richard Alistair 2,126,727 19.40
2017-07-31 13D/A ICCC / ImmuCell Corporation Pessin Norman H 480,000 1.39 0.00
2016-12-29 13D VNRX / VolitionRx Limited Hunt David 63,440,000 62.30
2016-12-28 13D VNRX / VolitionRx Limited Faulkes Martin Charles 1,827,284 7.00
2016-12-28 13D VNRX / VolitionRx Limited Innes Guy Archibald 1,551,947 5.90
2016-12-28 13D VNRX / VolitionRx Limited Reynolds Cameron John 2,387,837 9.10