Surgical and Medical Instruments and Apparatus - 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)
2026-06-03 13D/A AURX / Nuo Therapeutics, Inc. Pittman Scott M. 5,627,500 11.60 0.31
2026-06-02 13D/A BJDX / Bluejay Diagnostics, Inc. Northstrive Fund Ii Lp 0 0.00 -100.00
2026-06-02 13D/A BJDX / Bluejay Diagnostics, Inc. Lichti Braeden 0 0.00 -100.00
2026-05-27 13D/A OFIX / Orthofix Medical Inc. Juniper Targeted Opportunity Fund, L.P. 4,442,543 11.00 17.38
2026-05-27 13D/A STIM / Neuronetics, Inc. Chernett Jorey 10,553,988 15.17 7.93
2026-05-22 13D/A ARAY / Accuray Incorporated Tcw Group Inc 18,942,059 13.70 22.46
2026-05-13 13D/A PLSE / Pulse Biosciences, Inc. Duggan Robert W 49,706,423 71.90 1.87
2026-04-29 13D/A OBIO / Orchestra BioMed Holdings, Inc. Rtw Investments, Lp 11,942,394 19.20 -0.00
2026-04-27 13D USAQ / QHSLab, Inc. Marvin Smollar Family Trust dtd 2/13/2023 2,226,280 14.80
2026-04-24 13D NSPR / InspireMD, Inc. Marvin Slosman 2,556,760 5.18
2026-04-20 13D/A OSUR / OraSure Technologies, Inc. Altai Capital Management, L.P. 3,613,836 5.20 0.00
2026-04-17 13D/A ARAY / Accuray Incorporated Tcw Group Inc 15,467,952 11.50 29.88
2026-04-14 13D/A BR:S1YK34 / Stryker Corporation - Depositary Receipt (Common Stock) Stryker Ronda E 15,223,331 4.00
2026-04-09 13D PAVM / PAVmed Inc. Aklog Lishan 369,068 5.10 -95.25
2026-04-08 13D/A STIM / Neuronetics, Inc. Chernett Jorey 9,778,718 14.12 0.00
2026-04-02 13D VVOS / Vivos Therapeutics, Inc. V-CO Investors LLC 2,696,123 19.90 100.83
2026-03-31 13D STIM / Neuronetics, Inc. Chernett Jorey 9,778,718 14.12
2026-03-27 13D/A ICCM / IceCure Medical Ltd Mr. Li Haixiang 35,846,597 45.80
2026-03-17 13D/A OSUR / OraSure Technologies, Inc. Altai Capital Management, L.P. 3,613,836 5.20 -3.39
2026-03-13 13D/A PETV / PetVivo Holdings, Inc. A.L. Sarroff Fund, LLC 16,433,204 39.60 17.94
2026-03-11 13D BJDX / Bluejay Diagnostics, Inc. Lichti Braeden 35,500 3.65
2026-03-11 13D BJDX / Bluejay Diagnostics, Inc. Lichti Braeden 35,500 3.65
2026-03-11 13D BJDX / Bluejay Diagnostics, Inc. Northstrive Fund Ii Lp 35,500 3.65
2026-03-04 13D/A STIM / Neuronetics, Inc. Madryn Asset Management, LP 20,737,061 30.30 0.00
2026-03-02 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 5,891,430 39.40 0.00
2026-02-25 13D/A OBIO / Orchestra BioMed Holdings, Inc. Rtw Investments, Lp 11,942,426 19.70 43.78
2026-02-20 13D NVNO / enVVeno Medical Corporation Northstrive Fund Ii Lp 33,151 5.05
2026-02-20 13D NVNO / enVVeno Medical Corporation Lichti Braeden 33,151 5.05
2026-02-13 13D/A KRMD / KORU Medical Systems, Inc. Horton Capital Partners Fund, L.P. 5,845,045 12.62 -8.74
2026-02-13 13D/A OFIX / Orthofix Medical Inc. Juniper Targeted Opportunity Fund, L.P. 3,784,617 9.60 16.69
2026-02-10 13D/A DCTH / Delcath Systems, Inc. Rosalind Advisors, Inc. 6,719,993 9.90 0.67
2026-02-09 13D/A LUCD / Lucid Diagnostics Inc. PAVmed Inc. 38,816,903 27.50 0.00
2026-01-27 13D/A ANIK / Anika Therapeutics, Inc. Caligan Partners LP 1,435,130 9.95 0.00
2026-01-26 13D/A AURX / Nuo Therapeutics, Inc. Pittman Scott M. 5,610,050 11.60 3.87
2026-01-16 13D PETV / PetVivo Holdings, Inc. A.L. Sarroff Fund, LLC 13,933,204 36.10 57.50
2026-01-15 13D/A OSUR / OraSure Technologies, Inc. Altai Capital Management, L.P. 3,740,836 5.21 0.00
2025-12-17 13D/A ATEC / Alphatec Holdings, Inc. Squadron Capital LLC 13,215,781 8.90 -6.67
2025-12-17 13D/A OSUR / OraSure Technologies, Inc. Altai Capital Management, L.P. 3,740,836 5.21 -0.21
2025-12-15 13D/A SNWV / SANUWAVE Health, Inc. Manchester Management Co Llc 929,979 10.80 -1.90
2025-12-10 13D/A SNWV / SANUWAVE Health, Inc. Manchester Management Co Llc 947,979 11.10 -13.41
2025-11-25 13D/A LYRA / Lyra Therapeutics, Inc. Perceptive Advisors Llc 0 0.00 -100.00
2025-11-21 13D/A ANIK / Anika Therapeutics, Inc. Caligan Partners LP 1,435,130 9.95 -0.06
2025-11-18 13D/A LYRA / Lyra Therapeutics, Inc. Perceptive Advisors Llc 98,301 5.50 -29.22
2025-11-13 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 5,891,430 48.10 46.00
2025-11-13 13D/A LYRA / Lyra Therapeutics, Inc. Perceptive Advisors Llc 138,885 7.80 -24.83
2025-11-10 13D/A LYRA / Lyra Therapeutics, Inc. Perceptive Advisors Llc 184,760 11.20 -98.55
2025-11-07 13D/A ALUR / Allurion Technologies Inc. Rtw Investments, Lp 4,035,142 43.60 58.70
2025-10-29 13D/A NSPR / InspireMD, Inc. Shore Craig 1,484,505 3.50 -12.68
2025-10-29 13D NSPR / InspireMD, Inc. Michael A. Lawless 3,614,731 8.60
2025-10-21 13D/A OFIX / Orthofix Medical Inc. Juniper Targeted Opportunity Fund, L.P. 3,243,284 8.20 14.00