Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks - 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)
2025-04-30 13D/A QTRX / Quanterix Corporation Akoya Biosciences, Inc. 0 0.00 -100.00
2025-04-25 13D/A YBGJ / Yubo International Biotech Limited Chinaone Technology Ltd 17,211,400 14.40 -10.41
2025-04-23 13D/A ATEC / Alphatec Holdings, Inc. L-5 Healthcare Partners, Llc 7,201,158 4.96 -6.47
2025-04-23 13D/A SCND / Scientific Industries, Inc. Pessin Sandra F 466,507 3.90 10.80
2025-04-22 13D/A SCND / Scientific Industries, Inc. Bleichroeder LP 2,965,026 22.69 20.28
2025-04-18 13D LCTC / Lifeloc Technologies, Inc. Edco Partners Lllp 2,134,245 77.54 12.78
2025-04-17 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 2,542,603 34.10 142.14
2025-04-17 13D XTNT / Xtant Medical Holdings, Inc. Nantahala Capital Partners Limited Partnership 68,394,000 49.10
2025-04-14 13D/A XTNT / Xtant Medical Holdings, Inc. Orbimed Advisors Llc 0 0.00 -100.00
2025-04-14 13D/A VERO / Venus Concept Inc. EW Healthcare Partners, L.P. 485,689 26.80
2025-04-11 13D/A ATEC / Alphatec Holdings, Inc. L-5 Healthcare Partners, Llc 7,699,315 5.30 -16.45
2025-04-11 13D/A OFIX / Orthofix Medical Inc. Juniper Targeted Opportunity Fund, L.P. 2,386,500 6.10 23.19
2025-04-10 13D/A VERO / Venus Concept Inc. EW Healthcare Partners, L.P. 485,689 44.30
2025-04-09 13D/A BLFS / BioLife Solutions, Inc. Casdin Capital, LLC 8,735,159 18.50 0.32
2025-04-07 13D/A STAA / STAAR Surgical Company Broadwood Partners, L.p. 13,358,164 27.10 6.75
2025-04-04 13D/A PDEX / Pro-Dex, Inc. AO Partners I, LP 1,017,817 31.20 41.22
2025-04-02 13D/A STAA / STAAR Surgical Company Broadwood Partners, L.p. 12,512,944 25.40 4.46
2025-04-02 13D/A VERO / Venus Concept Inc. Madryn Asset Management, LP 174,735 20.00
2025-04-02 13D/A LUNR / Intuitive Machines, Inc. Ghaffarian Kamal Seyed 40,058,234 26.30 -5.30
2025-03-27 13D/A PDEX / Pro-Dex, Inc. Farnam Street Partners Lp /mn 285,787 8.80 -10.62
2025-03-25 13D/A LNSR / LENSAR, Inc. North Run Capital, Lp 13,535,938 55.90 441.67
2025-03-21 13D/A SCND / Scientific Industries, Inc. Bleichroeder LP 2,465,026 20.95 0.00
2025-03-19 13D SRDX / Surmodics, Inc. Gamco Investors, Inc. Et Al 392,575 2.80
2025-03-13 13D/A SGHT / Sight Sciences, Inc. Allegro Investment Fund, L.P. 6,731,526 13.10
2025-03-13 13D NTRB / Nutriband Inc. Melnik Serguei 1,071,418 9.39 30.59
2025-03-13 13D NTRB / Nutriband Inc. Sheridan Gareth 2,012,770 17.73 14.25
2025-03-13 13D/A INMD / InMode Ltd. Mizrahy Moshe 3,499,226 5.03 0.00
2025-03-07 13D/A BFLY / Butterfly Network, Inc. Rothberg Jonathan M 26,426,937 100.00 171.98
2025-03-07 13D ECIA / Encision Inc. Thalassa Holdings, Ltd. 619,272 5.21
2025-03-05 13D/A NAUT / Nautilus Biotechnology, Inc. Mallick Parag 22,263,911 17.40
2025-03-05 13D/A NAUT / Nautilus Biotechnology, Inc. Patel Sujal M 20,297,732 15.70
2025-03-03 13D/A STAA / STAAR Surgical Company Broadwood Partners, L.p. 11,979,098 24.30 10.98
2025-03-03 13D/A QTRX / Quanterix Corporation Kent Lake PR LLC 2,645,086 6.90 16.12
2025-02-28 13D/A RVP / Retractable Technologies, Inc. Shaw Thomas J 15,949,849 53.30 0.97
2025-02-27 13D/A OFIX / Orthofix Medical Inc. Engine Capital, L.p. 3,628,227 9.30 15.59
2025-02-24 13D/A ELMD / Electromed, Inc. Summers Value Fund Lp 342,081 4.00 -34.43
2025-02-24 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 1,050,053 17.60 -71.36
2025-02-24 13D/A POCI / Precision Optics Corporation, Inc. Pessin Norman H 481,229 6.30
2025-02-20 13D/A CVRX / CVRx, Inc. New Enterprise Associates 10 L P 2,026,083 7.80 -9.80
2025-02-19 13D/A CLIR / ClearSign Technologies Corporation clirSPV LLC 2,249,027 4.30 -77.68
2025-02-19 13D/A SNN / Smith & Nephew plc - Depositary Receipt (Common Stock) Cevian Capital II GP LTD 65,480,254 7.49
2025-02-14 13D/A VERO / Venus Concept Inc. Healthquest Partners Ii, L.p.
2025-02-13 13D QTRX / Quanterix Corporation Kent Lake PR LLC 2,277,954 5.91
2025-02-12 13D/A APT / Alpha Pro Tech, Ltd. Millar Donna 1,284,603 11.70 0.00
2025-02-07 13D/A MLSS / Milestone Scientific Inc. Bp4 S.r.l. 9,672,192 12.35 65.02
2025-02-06 13D/A CVRX / CVRx, Inc. Cooperatieve Gilde Healthcare IV U.A. 1,231,490 4.90 -9.99
2025-02-06 13D/A IVRN / Innoveren Scientific Inc. Fwhc Holdings, Llc 0 0.00 -100.00
2025-02-06 13D/A ATEC / Alphatec Holdings, Inc. L-5 Healthcare Partners, Llc 9,214,698 6.45 -13.19
2025-02-05 13D/A KEQU / Kewaunee Scientific Corporation Zucker Anita G 193,876 6.80 -12.42
2025-02-03 13D/A VTAK / Catheter Precision, Inc. Jenkins David A 194,182 2.10 -80.42