Laboratory Apparatus And Analytical, Optical, Measuring, and Controlling Instruments - 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)
2022-06-30 13D RPID / Rapid Micro Biosystems, Inc. Kennedy Lewis Management Lp 5,179,061 14.10 3.57
2022-06-28 13D/A QSI / Quantum-Si incorporated Foresite Capital Fund IV, L.P. 4,424,317 3.70 -47.48
2022-06-13 13D/A TLIS / Talis Biomedical Corporation Baker Bros. Advisors Lp 37,505,043 66.40 0.18
2022-05-16 13D/A KEQU / Kewaunee Scientific Corporation Kamin Peter 176,674 6.30 20.41
2022-04-11 13D/A BIO.B / Bio-Rad Laboratories, Inc. Schwartz Alice N 4,555,452 89.70
2022-04-08 13D/A SEER / Seer, Inc. Maverick Capital Management Llc 3,111,772 5.40 -24.58
2022-03-14 13D/A CTKB / Cytek Biosciences, Inc. Ra Capital Management, L.p. 13,139,327 9.80 18.56
2022-02-28 13D/A CTKB / Cytek Biosciences, Inc. Ra Capital Management, L.p. 11,082,163 8.30 15.35
2022-01-25 13D KEQU / Kewaunee Scientific Corporation Kamin Peter 146,721 5.30
2022-01-19 13D/A TKOI / Telkonet, Inc. VDA GROUP S.p.A. 162,900,947 54.40 1,089.49
2022-01-14 13D ELSE / Electro-Sensors, Inc. Activist Investing LLC 141,244 5.70
2021-12-30 13D QSI / Quantum-Si incorporated Rothberg Jonathan M 14,236,538 94.56 -20.66
2021-11-19 13D SMIT / Schmitt Industries, Inc. Activist Investing LLC 377,892 9.90
2021-11-17 13D/A SEER / Seer, Inc. Maverick Capital Management Llc 4,125,913 7.20 -26.18
2021-11-04 13D MIR / Mirion Technologies, Inc. Charterhouse General Partners (IX) Ltd 24,746,855 12.70
2021-11-04 13D SMAP / Amplify ETF Trust - Amplify Small-Mid Cap Equity ETF SportsMap, LLC 2,840,000
2021-11-02 13D/A DHR / Danaher Corporation Rales Mitchell P 35,669,704 4.99 0.00
2021-11-01 13D MIR / Mirion Technologies, Inc. GSAM Holdings LLC 46,750,000 22.50
2021-11-01 13D MIR / Mirion Technologies, Inc. Charterhouse General Partners (IX) Ltd 24,746,855 12.70
2021-09-28 13D/A FEIM / Frequency Electronics, Inc. Edenbrook Capital, LLC 1,846,373 19.97 7.14
2021-09-07 13D OPXS / Optex Systems Holdings, Inc Sudbury Capital Fund, LP 845,000 9.90
2021-08-16 13D TKOI / Telkonet, Inc. VDA GROUP S.p.A. 13,695,027 10.04
2021-07-30 13D/A TXG / 10x Genomics, Inc. Hindson Benjamin J. 3,611,410 4.00 -10.83
2021-07-30 13D/A TXG / 10x Genomics, Inc. Saxonov Serge 4,851,530 5.30 2.62
2021-07-26 13D OWLT / Owlet, Inc. Eclipse Continuity GP I, LLC 28,492,332 25.30
2021-07-14 13D/A SCND / Scientific Industries, Inc. Eddleman Roy T 2,127,264 39.74 0.00
2021-07-13 13D/A SCND / Scientific Industries, Inc. Pessin Sandra F 421,053 6.50 0.00
2021-06-22 13D SCND / Scientific Industries, Inc. Pessin Sandra F 421,053 6.50
2021-06-21 13D QSI / Quantum-Si incorporated Foresite Capital Fund IV, L.P. 8,424,317 7.20
2021-06-21 13D QSI / Quantum-Si incorporated Rothberg Jonathan M 17,943,750 90.00
2021-06-14 13D/A QSI / Quantum-Si incorporated Flynn James E 1,400,000 1.69 40.00
2021-06-14 13D/A DHR / Danaher Corporation Rales Mitchell P 35,669,704 5.00 0.56
2021-06-14 13D/A DHR / Danaher Corporation Rales Steven M 43,454,958 6.10 0.12
2021-06-01 13D/A APM / Aptorum Group Limited Huen Ian Chung Yuen 164,911,855 69.25 0.88
2021-05-07 13D/A AVTR / Avantor, Inc. Goldman Sachs Group Inc 58,881,710 10.20 114.26
2021-05-07 13D/A AVTR / Avantor, Inc. Goldman Sachs Group Inc 43,483,708 7.50 58.23
2021-05-07 13D/A AVTR / Avantor, Inc. Goldman Sachs Group Inc 27,480,944 4.80 0.00
2021-05-07 13D/A AVTR / Avantor, Inc. Goldman Sachs Group Inc 72,605,349 12.80 164.20
2021-05-07 13D/A SCND / Scientific Industries, Inc. Eddleman Roy T 2,127,264 39.74 42.23
2021-04-02 13D/A TLIS / Talis Biomedical Corporation Baker Bros. Advisors Lp 37,439,210 67.50 0.00
2021-04-02 13D/A INTT / inTEST Corporation Juniper Investment Company, LLC 488,900 4.60 -26.27
2021-03-31 13D/A ASTC / Astrotech Corporation Pickens Thomas Boone III 3,290,320 13.60 70.04
2021-02-26 13D TLIS / Talis Biomedical Corporation Baker Bros. Advisors Lp 37,439,210 67.60
2021-02-22 13D/A QSI / Quantum-Si incorporated Flynn James E 1,000,000 8.40
2021-02-05 13D/A TRNS / Transcat, Inc. Juniper Investment Company, LLC 306,053 4.10
2021-02-03 13D/A SENS / Senseonics Holdings, Inc. Masters Capital Management Llc 26,754,201 4.60 0.00
2021-01-22 13D EYPT / EyePoint Pharmaceuticals, Inc. Ocumension Therapeutics 3,010,722 16.60 0.00
2021-01-22 13D EYPT / EyePoint Pharmaceuticals, Inc. Ocumension Therapeutics 3,010,722 16.60
2021-01-21 13D SENS / Senseonics Holdings, Inc. Masters Capital Management Llc 26,754,201 5.89
2021-01-11 13D SEER / Seer, Inc. Maverick Capital Management Llc 5,589,063 10.40 0.00