Skip to contentORBIMED ADVISORS LLC — Alector, Inc. insider: 726 transactions · InsiderLensORBIMED ADVISORS LLC
- Director at DOV PHARMACEUTICAL INC · on record since May 18, 2006
- Director at AVANIR PHARMACEUTICALS · on record since Feb 23, 2006
- Director at Turnstone Biologics Corp. · on record since Jul 24, 2023
- 10% owner at Turnstone Biologics Corp. · on record since Jul 24, 2023
- Director at GIVEN IMAGING LTD · on record since May 26, 2006
- 10% owner at GIVEN IMAGING LTD · on record since May 26, 2006
- Director at Volcano CORP · on record since Jun 20, 2006
- Director at ArriVent Biopharma, Inc. · on record since Jan 31, 2024
- 10% owner at ArriVent Biopharma, Inc. · on record since Jan 31, 2024
- Director at MEMORY PHARMACEUTICALS CORP · on record since Apr 7, 2004
- FN4 at MEMORY PHARMACEUTICALS CORP · on record since Apr 7, 2004
- Director at ARYx Therapeutics, Inc. · on record since Nov 15, 2007
- See Remarks at Traws Pharma, Inc. · on record since Apr 12, 2024
- Director at MBX Biosciences, Inc. · on record since Sep 17, 2024
- 10% owner at MBX Biosciences, Inc. · on record since Sep 17, 2024
- 10% owner at SteadyMed Ltd. · on record since Aug 12, 2016
- Director at Upstream Bio, Inc. · on record since Oct 17, 2024
- 10% owner at Upstream Bio, Inc. · on record since Oct 17, 2024
- 10% owner at CRYOCOR INC · on record since Jun 19, 2007
- 10% owner at Biodel Inc · on record since May 18, 2007
- Director at INSULET CORP · on record since May 18, 2007
- Director at Venetian-1 Acquisition Corp. · on record since Nov 5, 2024
- Director at Loxo Oncology, Inc. · on record since Aug 12, 2016
- Director at BTHC VI Inc · on record since Jun 12, 2007
- 10% owner at BTHC VI Inc · on record since Jun 12, 2007
- Director at Biodel Inc · on record since Feb 14, 2008
- 10% owner at NxStage Medical, Inc. · on record since May 30, 2008
- 10% owner at NeuroPace Inc · on record since Apr 26, 2021
- Director at NxStage Medical, Inc. · on record since Aug 28, 2008
- 10% owner at ARYx Therapeutics, Inc. · on record since Nov 18, 2008
- 10% owner at INSITUFORM TECHNOLOGIES INC · on record since May 17, 2004
- 10% owner at DOV PHARMACEUTICAL INC · on record since Jul 16, 2003
- 10% owner at Relypsa Inc · on record since Nov 20, 2013
- 10% owner at Aspen Racing Stables. Inc. · on record since May 10, 2010
- 10% owner at COMPLETE GENOMICS INC · on record since Nov 16, 2010
- 10% owner at Anthera Pharmaceuticals Inc · on record since Oct 4, 2010
- Director at AMARIN CORP PLC · on record since Mar 28, 2011
- 10% owner at ORTHOVITA INC · on record since Sep 4, 2003
- 10% owner at Pacira Pharmaceuticals, Inc. · on record since Feb 10, 2011
- 10% owner at AMARIN CORP PLC · on record since Jan 3, 2011
- Director at Anthera Pharmaceuticals Inc · on record since May 27, 2011
- 10% owner at ACETO CORP · on record since Apr 9, 2026
- Director at INVERNESS MEDICAL INNOVATIONS INC · on record since Apr 16, 2026
- Director at Sionna Therapeutics, Inc. · on record since Apr 16, 2026
- 10% owner at ChemoCentryx, Inc. · on record since Feb 15, 2012
- Director at Prelude Therapeutics Inc · on record since Apr 23, 2026
- 10% owner at Prelude Therapeutics Inc · on record since Apr 23, 2026
- 10% owner at RESPONSE BIOMEDICAL CORP · on record since Jan 11, 2012
- Director at Nabriva Therapeutics AG · on record since Dec 30, 2016
- 10% owner at Nabriva Therapeutics AG · on record since Dec 30, 2016
- 10% owner at SUPERNUS PHARMACEUTICALS INC · on record since Apr 30, 2012
- 10% owner at Traws Pharma, Inc. · on record since Apr 28, 2026
- Director at SUPERNUS PHARMACEUTICALS INC · on record since May 8, 2012
- 10% owner at INTERCEPT PHARMACEUTICALS INC · on record since Oct 16, 2012
- 10% owner at LIFECELL CORP · on record since Dec 30, 2003
- 10% owner at AMBIT BIOSCIENCES CORP · on record since May 24, 2013
- Director at INTERCEPT PHARMACEUTICALS INC · on record since Apr 15, 2013
- Former 10% Owner at ACCELERON PHARMA INC · on record since Sep 26, 2013
- 10% owner at ACCELERON PHARMA INC · on record since Sep 18, 2013
- 10% owner at Mirati Therapeutics, Inc. · on record since Jul 16, 2013
- Director at Janux Therapeutics, Inc. · on record since Jun 16, 2021
- Director at Q32 Bio Inc. · on record since Jun 1, 2026
- 10% owner at Q32 Bio Inc. · on record since Jun 1, 2026
- Director at Smart-tek Solutions Inc · on record since Jun 9, 2026
- 10% owner at Loxo Oncology, Inc. · on record since Jul 31, 2014
- 10% owner at Roka BioScience, Inc. · on record since Jul 24, 2014
- 10% owner at Otonomy, Inc. · on record since Aug 19, 2014
- 10% owner at NETWORK INSTALLATION CORP · on record since Oct 28, 2014
- Director at GLAUKOS Corp · on record since Jun 30, 2015
- 10% owner at GLAUKOS Corp · on record since Jun 30, 2015
- Director at PALVELLA THERAPEUTICS, INC. · on record since Jun 29, 2015
- 10% owner at PALVELLA THERAPEUTICS, INC. · on record since Jun 29, 2015
- Director at ProNAi Therapeutics Inc · on record since Jul 21, 2015
- Director at Otonomy, Inc. · on record since Nov 30, 2015
- Director at Dimension Therapeutics, Inc. · on record since Oct 29, 2015
- 10% owner at Dimension Therapeutics, Inc. · on record since Oct 29, 2015
- Director at ViewRay, Inc. · on record since Mar 30, 2016
- 10% owner at ViewRay, Inc. · on record since Mar 30, 2016
- Director at Corvus Pharmaceuticals, Inc. · on record since Mar 29, 2016
- 10% owner at Corvus Pharmaceuticals, Inc. · on record since Mar 29, 2016
- Director at Adaptimmune Therapeutics PLC · on record since Jan 4, 2016
- Director at Cartesian Therapeutics, Inc. · on record since Jun 29, 2016
- 10% owner at Cartesian Therapeutics, Inc. · on record since Jun 29, 2016
- Director at RESPONSE BIOMEDICAL CORP · on record since Jun 20, 2016
- 10% owner at Spyre Therapeutics, Inc. · on record since Apr 19, 2016
- Director at Intellia Therapeutics, Inc. · on record since May 13, 2016
- 10% owner at Intellia Therapeutics, Inc. · on record since May 5, 2016
- Director at BOLD ENERGY INC. · on record since Jul 25, 2016
- 10% owner at BOLD ENERGY INC. · on record since Jul 25, 2016
- Director at Roka BioScience, Inc. · on record since Sep 23, 2016
- Director at ZETA ACQUISITION CORP II · on record since Mar 17, 2017
- 10% owner at ZETA ACQUISITION CORP II · on record since Mar 17, 2017
- 10% owner at CELL THERAPEUTICS INC · on record since Jun 15, 2017
- Director at Mirna Therapeutics, Inc. · on record since Aug 30, 2017
- Director at ALPINE AIR EXPRESS INC/DE · on record since Jul 26, 2017
- 10% owner at ALPINE AIR EXPRESS INC/DE · on record since Jul 26, 2017
- 10% owner at Kala Pharmaceuticals, Inc. · on record since Jul 19, 2017
- 10% owner at scPharmaceuticals Inc. · on record since Nov 21, 2017
- 10% owner at ACTELIS NETWORKS INC · on record since Nov 20, 2017
- 10% owner at RHYTHM PHARMACEUTICALS, INC. · on record since Oct 10, 2017
- Director at ARMO BioSciences, Inc. · on record since Jan 30, 2018
- 10% owner at ARMO BioSciences, Inc. · on record since Jan 30, 2018
- Director at ACETO CORP · on record since Jan 30, 2018
- Director at XTENT INC · on record since Feb 23, 2018
- 10% owner at XTENT INC · on record since Feb 23, 2018
- Director at Tricida, Inc. · on record since Jun 27, 2018
- 10% owner at Tricida, Inc. · on record since Jun 27, 2018
- 10% owner at INFOSPACE INC · on record since May 9, 2018
- 10% owner at ARVINAS, INC. · on record since Sep 26, 2018
- 10% owner at CONSTAR INTERNATIONAL INC · on record since Jul 24, 2018
- 10% owner at Principia Biopharma Inc. · on record since Sep 20, 2018
- 10% owner at Crinetics Pharmaceuticals, Inc. · on record since Jul 17, 2018
- Director at LOGIC DEVICES INC · on record since Oct 25, 2018
- 10% owner at LOGIC DEVICES INC · on record since Oct 25, 2018
- Director at SI-BONE, Inc. · on record since Oct 19, 2018
- Director at THORATEC CORP · on record since Dec 13, 2018
- 10% owner at THORATEC CORP · on record since Dec 13, 2018
- Director at INFOSPACE INC · on record since Dec 13, 2018
- 10% owner at Guardant Health, Inc. · on record since Oct 11, 2018
- 10% owner at AVEDRO INC · on record since Feb 19, 2019
- Director at Alector, Inc. · on record since Feb 11, 2019
- 10% owner at Alector, Inc. · on record since Feb 11, 2019
- Director at Prevail Therapeutics Inc. · on record since Jun 26, 2019
- 10% owner at Prevail Therapeutics Inc. · on record since Jun 26, 2019
- Director at AXONYX INC · on record since Apr 24, 2019
- Director at NextCure, Inc. · on record since May 13, 2019
- 10% owner at NextCure, Inc. · on record since May 13, 2019
- 10% owner at SOUTHWALL TECHNOLOGIES INC /DE/ · on record since Sep 19, 2019
- 10% owner at ProNAi Therapeutics Inc · on record since Nov 26, 2019
- 10% owner at TELA Bio, Inc. · on record since Nov 13, 2019
- Director at 89bio, Inc. · on record since Nov 13, 2019
- 10% owner at 89bio, Inc. · on record since Nov 13, 2019
- Director at Arcutis Biotherapeutics, Inc. · on record since Jan 30, 2020
- 10% owner at Arcutis Biotherapeutics, Inc. · on record since Jan 30, 2020
- 10% owner at Passage BIO, Inc. · on record since Feb 27, 2020
- Director at 11 GOOD ENERGY INC · on record since Mar 16, 2020
- 10% owner at 11 GOOD ENERGY INC · on record since Mar 16, 2020
- Director at Oric Pharmaceuticals, Inc. · on record since Apr 28, 2020
- 10% owner at Oric Pharmaceuticals, Inc. · on record since Apr 28, 2020
- Director at Fusion Pharmaceuticals Inc. · on record since Jun 25, 2020
- Director at Repare Therapeutics Inc. · on record since Jun 25, 2020
- Director at COMPEX TECHNOLOGIES INC · on record since Jun 23, 2020
- 10% owner at COMPEX TECHNOLOGIES INC · on record since Jun 23, 2020
- 10% owner at Repare Therapeutics Inc. · on record since Jun 18, 2020
- Director at Keros Therapeutics, Inc. · on record since Apr 13, 2020
- 10% owner at CALIFORNIA COASTAL COMMUNITIES INC · on record since Sep 29, 2020
- Director at PMV Pharmaceuticals, Inc. · on record since Sep 29, 2020
- 10% owner at PMV Pharmaceuticals, Inc. · on record since Sep 29, 2020
- Director at CALIFORNIA COASTAL COMMUNITIES INC · on record since Sep 24, 2020
- 10% owner at Pandion Therapeutics, Inc. · on record since Jul 16, 2020
- Director at Acutus Medical, Inc. · on record since Aug 12, 2020
- 10% owner at Acutus Medical, Inc. · on record since Aug 12, 2020
- Director at Damora Therapeutics, Inc. · on record since Oct 28, 2020
- 10% owner at Damora Therapeutics, Inc. · on record since Oct 28, 2020
- Director at Kinnate Biopharma Inc. · on record since Dec 9, 2020
- 10% owner at Kinnate Biopharma Inc. · on record since Dec 9, 2020
- Director at ARS Pharmaceuticals, Inc. · on record since Dec 8, 2020
- 10% owner at ARS Pharmaceuticals, Inc. · on record since Dec 8, 2020
- Director at Edgewise Therapeutics, Inc. · on record since Mar 31, 2021
- 10% owner at Edgewise Therapeutics, Inc. · on record since Mar 31, 2021
- Director at Decibel Therapeutics, Inc. · on record since Feb 19, 2021
- 10% owner at Decibel Therapeutics, Inc. · on record since Feb 19, 2021
- Director at Disc Medicine, Inc. · on record since Feb 10, 2021
- 10% owner at Disc Medicine, Inc. · on record since Feb 10, 2021
- Director at Terns Pharmaceuticals, Inc. · on record since Feb 9, 2021
- 10% owner at Terns Pharmaceuticals, Inc. · on record since Feb 9, 2021
- Director at Verona Pharma plc · on record since Jan 5, 2021
- 10% owner at Verona Pharma plc · on record since Jan 5, 2021
- Director at ORPHAN MEDICAL INC · on record since May 6, 2005
- Director at THERAVANCE INC · on record since Oct 14, 2021
- 10% owner at THERAVANCE INC · on record since Oct 14, 2021
- Director at TF FINANCIAL CORP · on record since Sep 21, 2022
- 10% owner at TF FINANCIAL CORP · on record since Sep 21, 2022
- Director at CRYOCOR INC · on record since Jul 18, 2005
Insider trading activity of ORBIMED ADVISORS LLC
- Transactions on record
- 726
- since Sep 29, 2003
- Open-market buys
- 132
- $469.3M
- Open-market sells
- 262
- $597M
- Companies traded
- 77
- last filing Jul 2, 2026
Figures computed from official regulatory filings — methodology.
Companies where ORBIMED ADVISORS LLC has traded
- Sionna Therapeutics, Inc.13 tx · $43.6M · Jul 2, 2026
- 11 GOOD ENERGY INC6 tx · Jun 24, 2026
- Smart-tek Solutions Inc6 tx · Jun 15, 2026
- Q32 Bio Inc.2 tx · $15M · Jun 1, 2026
- Traws Pharma, Inc.4 tx · $998.2K · Apr 28, 2026
- Prelude Therapeutics Inc14 tx · $36M · Apr 23, 2026
- INVERNESS MEDICAL INNOVATIONS INC5 tx · $208.2K · Apr 16, 2026
- ACETO CORP10 tx · $7.5M · Apr 9, 2026
- PMV Pharmaceuticals, Inc.13 tx · $18M · Sep 12, 2025
Track record of ORBIMED ADVISORS LLC
Statistical track record
Free- Open-market buys
- 147
- Last buy
- Jun 11, 2026
Win rates and median returns are available with a free account (5 insiders/month).
Create a free account→Transaction history of ORBIMED ADVISORS LLC
Co-insiders of ORBIMED ADVISORS LLC
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
7 tx · $5M · Aug 12, 2025
RA CAPITAL MANAGEMENT, LLCACETO CORP +4
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jul 2, 2026 | Sell | -115,844 | 45.50 USD | — | SEC |
| Jun 24, 2026 | Sell | -1,477 | 45.00 USD | — | SEC |
| Jun 24, 2026 | Sell | -24,846 | 45.38 USD | — | SEC |
| Jun 24, 2026 | Sell | -46,776 | 45.00 USD | — | SEC |
| Jun 24, 2026 | Sell | -787,024 | 45.38 USD | — | SEC |
| Jun 17, 2026 | Sell | -9,086 | 45.02 USD | — | SEC |
| Jun 17, 2026 | Sell | -272,322 | 45.02 USD | — | SEC |
| Jun 15, 2026 | BuyD | 208,333 | — | — | SEC |
| Jun 15, 2026 | BuyD | 1,041,667 | — | — | SEC |
| Jun 9, 2026 | OtherD | 3,073,298 | — | — | SEC |
| Jun 9, 2026 | OtherD | -15,366,490 | — | — | SEC |
| Jun 9, 2026 | OtherD | -3,073,298 | — | — | SEC |
| Jun 9, 2026 | OtherD | 15,366,490 | — | — | SEC |
| Jun 1, 2026 | Buy | 625,000 | 8.00 USD | $5M | SEC |
| Jun 1, 2026 | Buy | 1,250,000 | 8.00 USD | $10M | SEC |
| May 29, 2026 | Sell | -101 | 44.49 USD | $4.5K | SEC |
| May 11, 2026 | Sell | -59,767 | 44.58 USD | $2.7M | SEC |
| May 11, 2026 | Sell | -184,639 | 46.22 USD | $8.5M | SEC |
| May 11, 2026 | Sell | -48,546 | 44.61 USD | $2.2M | SEC |
| Apr 28, 2026 | BuyD | 597,729 | — | — | SEC |
| Apr 28, 2026 | BuyD | 1,793,187 | — | — | SEC |
| Apr 28, 2026 | Buy | 597,729 | 1.67 USD | $998.2K | SEC |
| Apr 28, 2026 | BuyD | 597,729 | — | — | SEC |
| Apr 23, 2026 | Buy | 1,126,126 | 4.44 USD | $5M | SEC |
| Apr 23, 2026 | Buy | 1,689,189 | 4.44 USD | $7.5M | SEC |