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)
2025-01-31 13D/A NAUT / Nautilus Biotechnology, Inc. Perceptive Advisors Llc 12,594,211 10.00 0.00
2025-01-29 13D/A PDEX / Pro-Dex, Inc. Farnam Street Partners Lp /mn 319,752 9.80 -11.39
2025-01-29 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 1,050,053 21.90
2025-01-28 13D/A AFIB / Acutus Medical, Inc. Deerfield Mgmt III, L.P. 5,492,725 9.10
2025-01-27 13D/A DCTH / Delcath Systems, Inc. Rosalind Advisors, Inc. 6,659,993 9.90 141.00
2025-01-23 13D/A AFIB / Acutus Medical, Inc. Deerfield Mgmt III, L.P. 9,705,857 9.10
2025-01-22 13D/A INFU / InfuSystem Holdings, Inc. Sansone Advisors, Llc 997,643 4.70 -16.98
2025-01-21 13D/A KRMD / KORU Medical Systems, Inc. Horton Capital Partners Fund, L.P. 6,405,064 13.97
2025-01-16 13D QTRX / Quanterix Corporation Akoya Biosciences, Inc. 2,955,532 6.20
2025-01-16 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 1,050,060 29.60
2025-01-16 13D INMD / InMode Ltd. Mizrahy Moshe 3,499,226 5.03
2025-01-10 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 277,797 9.99
2025-01-07 13D/A NN / NextNav Inc. New Enterprise Associates 14, L.P. 75,627 0.10 -99.08
2025-01-07 13D OFIX / Orthofix Medical Inc. Juniper Targeted Opportunity Fund, L.P. 1,937,249 5.10
2025-01-03 13D/A VTAK / Catheter Precision, Inc. Jenkins Casey A. 832,243 9.90 206.98
2024-12-31 13D/A QSI / Quantum-Si incorporated Rothberg Jonathan M 19,937,500 100.00 11.11
2024-12-26 13D COCH / Envoy Medical, Inc. Anzu SPAC GP I LLC 2,718,841 11.33
2024-12-26 13D/A SNN / Smith & Nephew plc - Depositary Receipt (Common Stock) Cevian Capital II GP LTD 56,187,561 6.43 25.79
2024-12-20 13D/A LUNR / Intuitive Machines, Inc. Ghaffarian Kamal Seyed 42,298,934 35.40 -1.76
2024-12-19 13D/A PLSE / Pulse Biosciences, Inc. Duggan Robert W 48,792,335 70.60 0.35
2024-12-19 13D/A TLSI / TriSalus Life Sciences, Inc. Wahlstrom Mats 2,797,437 9.00 1.93
2024-12-19 13D/A TLSI / TriSalus Life Sciences, Inc. Frankenius Equity AB 6,488,719 20.90 1.42
2024-12-19 13D UEEC / United Health Products, Inc. Wendy Beplate Irrevocable Trust 18,000,000 7.20
2024-12-18 13D/A MIR / Mirion Technologies, Inc. GSAM Holdings LLC 5,187,419 2.30 -80.96
2024-12-17 13D STIM / Neuronetics, Inc. Madryn Asset Management, LP 24,237,061 43.60
2024-12-16 13D/A AFIB / Acutus Medical, Inc. Flynn James E 9,705,857 9.10 0.29
2024-12-16 13D/A LYRA / Lyra Therapeutics, Inc. Perceptive Advisors Llc 12,757,562 19.50 0.00
2024-12-12 13D/A SMLR / Semler Scientific, Inc. Murphy-Chutorian Douglas 605,313 6.75 -14.18
2024-12-09 13D/A INFU / InfuSystem Holdings, Inc. Sansone Advisors, Llc 1,201,643 5.70 -16.69
2024-12-06 13D/A NN / NextNav Inc. Columbia Capital IV, LLC 6,402,930 4.97 -18.24
2024-12-06 13D/A INFU / InfuSystem Holdings, Inc. Shuda Scott 400,377 1.88 -7.13
2024-12-04 13D/A UEEC / United Health Products, Inc. Beplate Douglas K 6,700,000 2.68 -81.29
2024-12-03 13D/A LGMK / LogicMark, Inc. Winvest Investment Fund Management Corp. 0 0.00
2024-12-02 13D NRXS / NeurAxis, Inc. Rosalind Advisors, Inc. 2,100,840 9.90
2024-11-25 13D/A MODD / Modular Medical, Inc. Manchester Management Co Llc 4,548,613 12.90 3.80
2024-11-21 13D/A ELMD / Electromed, Inc. Skarvan Kathleen 332,083 3.93 -29.20
2024-11-20 13D/A LUNR / Intuitive Machines, Inc. Ghaffarian Kamal Seyed 43,054,880 35.80 -3.82
2024-11-14 13D/A DCTH / Delcath Systems, Inc. Rosalind Advisors, Inc. 2,763,468 9.90 0.00
2024-11-14 13D/A DCTH / Delcath Systems, Inc. Rosalind Advisors, Inc. 2,763,468 9.90 0.00
2024-11-14 13D/A NN / NextNav Inc. Columbia Capital IV, LLC 7,831,667 6.10 0.00
2024-11-14 13D/A NAUT / Nautilus Biotechnology, Inc. Perceptive Advisors Llc 12,594,211 10.00 0.00
2024-11-13 13D/A MIR / Mirion Technologies, Inc. Goldman Sachs Group Inc 12,387,666 5.50 -17.43
2024-11-13 13D BWAY / BrainsWay Ltd. - Depositary Receipt (Common Stock) Valor BrainsWay Holdings, LLC 7,743,984 19.10
2024-11-13 13D/A SCND / Scientific Industries, Inc. Bleichroeder LP 2,465,026 20.95 0.00
2024-11-12 13D/A ATEC / Alphatec Holdings, Inc. L-5 Healthcare Partners, Llc 10,614,698 7.43 -4.21
2024-11-12 13D/A SMLR / Semler Scientific, Inc. Murphy-Chutorian Douglas 705,313 8.85 -10.10
2024-11-12 13D/A LGMK / LogicMark, Inc. Winvest Investment Fund Management Corp. 9.00
2024-11-07 13D/A CVRX / CVRx, Inc. New Enterprise Associates 10 L P 2,246,127 9.30 2.12
2024-11-06 13D/A LUNR / Intuitive Machines, Inc. Ghaffarian Kamal Seyed 44,767,011 43.00 -1.50
2024-11-06 13D/A MIR / Mirion Technologies, Inc. Goldman Sachs Group Inc 15,003,465 6.70 -19.98