PSCH additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
|---|---|---|---|
| Apellis Pharmaceuticals, Inc. | Apellis Pharmaceuticals, Inc. | 2026-02-28 | Added / first present |
| Amneal Pharmaceuticals, Inc. | Amneal Pharmaceuticals, Inc. | 2026-02-28 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2026-02-28 | Added / first present |
| Perrigo Co. PLC | Perrigo Co. PLC | 2026-02-28 | Added / first present |
| Indivior Pharmaceuticals, Inc. | Indivior Pharmaceuticals, Inc. | 2026-02-28 | Added / first present |
| Sarepta Therapeutics, Inc. | Sarepta Therapeutics, Inc. | 2025-11-30 | Added / first present |
| PTC Therapeutics, Inc. | PTC Therapeutics, Inc. | 2025-11-30 | Added / first present |
| Acadia Healthcare Co., Inc. | Acadia Healthcare Co., Inc. | 2025-11-30 | Added / first present |
| BrightSpring Health Services, Inc. | BrightSpring Health Services, Inc. | 2025-11-30 | Added / first present |
| Waystar Holding Corp. | Waystar Holding Corp. | 2025-11-30 | Added / first present |
| Veracyte, Inc. | Veracyte, Inc. | 2025-08-31 | Added / first present |
| Teleflex Inc. | Teleflex Inc. | 2025-05-31 | Added / first present |
| Neogen Corp. | Neogen Corp. | 2025-05-31 | Added / first present |
| Acadia Pharmaceuticals Inc. | Acadia Pharmaceuticals Inc. | 2025-02-28 | Added / first present |
| Arrowhead Pharmaceuticals, Inc. | Arrowhead Pharmaceuticals, Inc. | 2025-02-28 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2025-02-28 | Added / first present |
| Enovis Corp. | Enovis Corp. | 2025-02-28 | Added / first present |
| Inspire Medical Systems, Inc. | Inspire Medical Systems, Inc. | 2024-11-30 | Added / first present |
| TG Therapeutics, Inc. | TG Therapeutics, Inc. | 2024-11-30 | Added / first present |
| Azenta, Inc. | Azenta, Inc. | 2024-11-30 | Added / first present |
| TransMedics Group, Inc. | TransMedics Group, Inc. | 2024-11-30 | Added / first present |
| ADMA Biologics, Inc. | ADMA Biologics, Inc. | 2024-11-30 | Added / first present |
| Progyny, Inc. | Progyny, Inc. | 2024-11-30 | Added / first present |
| Hims & Hers Health, Inc. | Hims & Hers Health, Inc. | 2024-11-30 | Added / first present |
| Concentra Group Holdings Parent, Inc. | Concentra Group Holdings Parent, Inc. | 2024-11-30 | Added / first present |
| Integra LifeSciences Holdings Corp. | Integra LifeSciences Holdings Corp. | 2024-08-31 | Added / first present |
| Krystal Biotech, Inc. | Krystal Biotech, Inc. | 2024-08-31 | Added / first present |
| Protagonist Therapeutics, Inc. | Protagonist Therapeutics, Inc. | 2024-08-31 | Added / first present |
| QuidelOrtho Corp. | QuidelOrtho Corp. | 2024-08-31 | Added / first present |
| Inari Medical, Inc. | Inari Medical, Inc. | 2024-05-31 | Added / first present |
| National HealthCare Corp. | National HealthCare Corp. | 2024-02-29 | Added / first present |
| Patterson Cos., Inc. | Patterson Cos., Inc. | 2024-02-29 | Added / first present |
| Alkermes PLC | Alkermes PLC | 2024-02-29 | Added / first present |
| Premier, Inc. | Premier, Inc. | 2023-11-30 | Added / first present |
| Amphastar Pharmaceuticals, Inc. | Amphastar Pharmaceuticals, Inc. | 2023-11-30 | Added / first present |
| Omnicell, Inc. | Omnicell, Inc. | 2023-11-30 | Added / first present |
| ICU Medical, Inc. | ICU Medical, Inc. | 2023-11-30 | Added / first present |
| Organon & Co. | Organon & Co. | 2023-11-30 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2023-08-31 | Added / first present |
| STAAR Surgical Co. | STAAR Surgical Co. | 2023-08-31 | Added / first present |
| UFP Technologies, Inc. | UFP Technologies, Inc. | 2023-08-31 | Added / first present |
| Schrodinger, Inc. | Schrodinger, Inc. | 2023-08-31 | Added / first present |
| Privia Health Group, Inc. | Privia Health Group, Inc. | 2023-08-31 | Added / first present |
| Fortrea Holdings Inc. | Fortrea Holdings Inc. | 2023-08-31 | Added / first present |
| Tandem Diabetes Care, Inc. | Tandem Diabetes Care, Inc. | 2023-05-31 | Added / first present |
| Certara, Inc. | Certara, Inc. | 2023-05-31 | Added / first present |
| Cytek Biosciences, Inc. | Cytek Biosciences, Inc. | 2023-05-31 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2023-02-28 | Added / first present |
| NuVasive, Inc. | NuVasive, Inc. | 2023-02-28 | Added / first present |
| Agiliti, Inc. | Agiliti, Inc. | 2023-02-28 | Added / first present |
| Catalyst Pharmaceuticals, Inc. | Catalyst Pharmaceuticals, Inc. | 2022-11-30 | Added / first present |
| OmniAb, Inc. | OmniAb, Inc. | 2022-11-30 | Added / first present |
| OmniAb, Inc. | OmniAb, Inc. | 2022-11-30 | Added / first present |
| OmniAb, Inc. | OmniAb, Inc. | 2022-11-30 | Added / first present |
| Ironwood Pharmaceuticals, Inc. | Ironwood Pharmaceuticals, Inc. | 2022-08-31 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2022-08-31 | Added / first present |
| AdaptHealth Corp. | AdaptHealth Corp. | 2022-08-31 | Added / first present |
| Enhabit, Inc. | Enhabit, Inc. | 2022-08-31 | Added / first present |
| Dynavax Technologies Corp. | Dynavax Technologies Corp. | 2022-05-31 | Added / first present |
| Arcus Biosciences, Inc. | Arcus Biosciences, Inc. | 2022-05-31 | Added / first present |
| Vir Biotechnology, Inc. | Vir Biotechnology, Inc. | 2022-05-31 | Added / first present |
| Embecta Corp. | Embecta Corp. | 2022-05-31 | Added / first present |
| Zimvie, Inc. | Zimvie, Inc. | 2022-05-31 | Added / first present |
| Nektar Therapeutics | Nektar Therapeutics | 2022-02-28 | Added / first present |
| iTeos Therapeutics, Inc. | iTeos Therapeutics, Inc. | 2022-02-28 | Added / first present |
| Ligand Pharmaceuticals, Inc. | Ligand Pharmaceuticals, Inc. | 2021-11-30 | Added / first present |
| Emergent BioSolutions, Inc. | Emergent BioSolutions, Inc. | 2021-11-30 | Added / first present |
| OptimizeRx Corp. | OptimizeRx Corp. | 2021-11-30 | Added / first present |
| Avid Bioservices, Inc. | Avid Bioservices, Inc. | 2021-11-30 | Added / first present |
| uniQure N.V. | uniQure N.V. | 2021-11-30 | Added / first present |
| Harmony Biosciences Holdings, Inc. | Harmony Biosciences Holdings, Inc. | 2021-11-30 | Added / first present |
| BioLife Solutions, Inc. | BioLife Solutions, Inc. | 2021-08-31 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2021-08-31 | Added / first present |
| Apollo Medical Holdings, Inc. | Apollo Medical Holdings, Inc. | 2021-08-31 | Added / first present |
| Organogenesis Holdings, Inc. | Organogenesis Holdings, Inc. | 2021-08-31 | Added / first present |
| Cara Therapeutics, Inc. | Cara Therapeutics, Inc. | 2021-05-31 | Added / first present |
| Vericel Corp. | Vericel Corp. | 2021-05-31 | Added / first present |
| Avanos Medical, Inc. | Avanos Medical, Inc. | 2021-05-31 | Added / first present |
| Joint Corp. (The) | Joint Corp. (The) | 2021-05-31 | Added / first present |
| Collegium Pharmaceutical, Inc. | Collegium Pharmaceutical, Inc. | 2021-02-28 | Added / first present |
| Prestige Consumer Healthcare Inc. | Prestige Consumer Healthcare Inc. | 2021-02-28 | Added / first present |
| ModivCare, Inc. | ModivCare, Inc. | 2021-02-28 | Added / first present |
| MEDNAX, Inc. | MEDNAX, Inc. | 2020-11-30 | Added / first present |
| R1 RCM, Inc. | R1 RCM, Inc. | 2020-11-30 | Added / first present |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2020-11-30 | Added / first present |
| Fulgent Genetics, Inc. | Fulgent Genetics, Inc. | 2020-11-30 | Added / first present |
| Allscripts Healthcare Solutions, Inc. | Allscripts Healthcare Solutions, Inc. | 2020-08-31 | Added / first present |
| Zynex, Inc. | Zynex, Inc. | 2020-08-31 | Added / first present |
| Invesco Private Government Fund | Invesco Private Government Fund | 2020-05-31 | Added / first present |
| Glaukos Corp. | Glaukos Corp. | 2020-05-31 | Added / first present |
| Coherus Biosciences, Inc. | Coherus Biosciences, Inc. | 2020-05-31 | Added / first present |
| Simulations Plus, Inc. | Simulations Plus, Inc. | 2020-05-31 | Added / first present |
| Invesco Premier U.S. Government Money Portfolio | Invesco Premier U.S. Government Money Portfolio | 2020-05-31 | Added / first present |
Removals
| Ticker | Issuer | Observed date | Change |
|---|---|---|---|
| Arrowhead Pharmaceuticals, Inc. | Arrowhead Pharmaceuticals, Inc. | 2026-02-28 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2025-11-30 | Removed / first absent |
| Hims & Hers Health, Inc. | Hims & Hers Health, Inc. | 2025-05-31 | Removed / first absent |
| Inari Medical, Inc. | Inari Medical, Inc. | 2025-02-28 | Removed / first absent |
| Patterson Cos., Inc. | Patterson Cos., Inc. | 2025-05-31 | Removed / first absent |
| Premier, Inc. | Premier, Inc. | 2025-11-30 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2024-11-30 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2023-05-31 | Removed / first absent |
| NuVasive, Inc. | NuVasive, Inc. | 2023-11-30 | Removed / first absent |
| Agiliti, Inc. | Agiliti, Inc. | 2024-05-31 | Removed / first absent |
| OmniAb, Inc. | OmniAb, Inc. | 2023-02-28 | Removed / first absent |
| Ironwood Pharmaceuticals, Inc. | Ironwood Pharmaceuticals, Inc. | 2025-02-28 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2022-11-30 | Removed / first absent |
| Enhabit, Inc. | Enhabit, Inc. | 2024-11-30 | Removed / first absent |
| Dynavax Technologies Corp. | Dynavax Technologies Corp. | 2026-02-28 | Removed / first absent |
| Zimvie, Inc. | Zimvie, Inc. | 2023-05-31 | Removed / first absent |
| Nektar Therapeutics | Nektar Therapeutics | 2023-05-31 | Removed / first absent |
| iTeos Therapeutics, Inc. | iTeos Therapeutics, Inc. | 2023-11-30 | Removed / first absent |
| Emergent BioSolutions, Inc. | Emergent BioSolutions, Inc. | 2023-08-31 | Removed / first absent |
| OptimizeRx Corp. | OptimizeRx Corp. | 2023-05-31 | Removed / first absent |
| Avid Bioservices, Inc. | Avid Bioservices, Inc. | 2024-02-29 | Removed / first absent |
| uniQure N.V. | uniQure N.V. | 2023-11-30 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2022-02-28 | Removed / first absent |
| Organogenesis Holdings, Inc. | Organogenesis Holdings, Inc. | 2023-05-31 | Removed / first absent |
| Cara Therapeutics, Inc. | Cara Therapeutics, Inc. | 2023-08-31 | Removed / first absent |
| Joint Corp. (The) | Joint Corp. (The) | 2023-02-28 | Removed / first absent |
| ModivCare, Inc. | ModivCare, Inc. | 2024-05-31 | Removed / first absent |
| R1 RCM, Inc. | R1 RCM, Inc. | 2021-05-31 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2021-05-31 | Removed / first absent |
| Fulgent Genetics, Inc. | Fulgent Genetics, Inc. | 2025-05-31 | Removed / first absent |
| Allscripts Healthcare Solutions, Inc. | Allscripts Healthcare Solutions, Inc. | 2024-05-31 | Removed / first absent |
| Zynex, Inc. | Zynex, Inc. | 2023-11-30 | Removed / first absent |
| Coherus Biosciences, Inc. | Coherus Biosciences, Inc. | 2023-11-30 | Removed / first absent |
| Simulations Plus, Inc. | Simulations Plus, Inc. | 2025-11-30 | Removed / first absent |
| Invesco Premier U.S. Government Money Portfolio | Invesco Premier U.S. Government Money Portfolio | 2020-08-31 | Removed / first absent |
| Tabula Rasa HealthCare, Inc. | Tabula Rasa HealthCare, Inc. | 2022-05-31 | Removed / first absent |
| Acorda Therapeutics, Inc. | Acorda Therapeutics, Inc. | 2020-05-31 | Removed / first absent |
| LHC Group, Inc. | LHC Group, Inc. | 2020-05-31 | Removed / first absent |
| Medicines Co. (The) | Medicines Co. (The) | 2020-02-29 | Removed / first absent |
| Arrowhead Pharmaceuticals, Inc. | Arrowhead Pharmaceuticals, Inc. | 2020-02-29 | Removed / first absent |
| Cardiovascular Systems, Inc. | Cardiovascular Systems, Inc. | 2023-05-31 | Removed / first absent |
| Magellan Health, Inc. | Magellan Health, Inc. | 2022-02-28 | Removed / first absent |
| REGENXBIO, Inc. | REGENXBIO, Inc. | 2025-02-28 | Removed / first absent |
| Momenta Pharmaceuticals, Inc. | Momenta Pharmaceuticals, Inc. | 2020-11-30 | Removed / first absent |
| Natus Medical, Inc. | Natus Medical, Inc. | 2022-08-31 | Removed / first absent |
| Spectrum Pharmaceuticals, Inc. | Spectrum Pharmaceuticals, Inc. | 2022-02-28 | Removed / first absent |
| SurModics, Inc. | SurModics, Inc. | 2023-05-31 | Removed / first absent |
| Heska Corp. | Heska Corp. | 2023-08-31 | Removed / first absent |
| Akorn, Inc. | Akorn, Inc. | 2020-05-31 | Removed / first absent |
| Lannett Co., Inc. | Lannett Co., Inc. | 2021-08-31 | Removed / first absent |
| Progenics Pharmaceuticals, Inc. | Progenics Pharmaceuticals, Inc. | 2020-08-31 | Removed / first absent |
| Community Health Systems, Inc. | Community Health Systems, Inc. | 2024-02-29 | Removed / first absent |
| Cutera, Inc. | Cutera, Inc. | 2023-08-31 | Removed / first absent |
| AMAG Pharmaceuticals, Inc. | AMAG Pharmaceuticals, Inc. | 2020-11-30 | Removed / first absent |
| Owens & Minor, Inc. | Owens & Minor, Inc. | 2025-11-30 | Removed / first absent |
| Invacare Corp. | Invacare Corp. | 2021-11-30 | Removed / first absent |
| Invesco Government & Agency Portfolio | Invesco Government & Agency Portfolio | 2020-05-31 | Removed / first absent |
| Invesco Liquid Assets Portfolio | Invesco Liquid Assets Portfolio | 2020-05-31 | Removed / first absent |
| Computer Programs & Systems, Inc. | Computer Programs & Systems, Inc. | 2023-11-30 | Removed / first absent |
| NextGen Healthcare, Inc. | NextGen Healthcare, Inc. | 2023-11-30 | Removed / first absent |
| Ensign Group, Inc. (The) | Ensign Group, Inc. (The) | 2024-11-30 | Removed / first absent |
| Amphastar Pharmaceuticals, Inc. | Amphastar Pharmaceuticals, Inc. | 2023-08-31 | Removed / first absent |
| Meridian Bioscience, Inc. | Meridian Bioscience, Inc. | 2023-02-28 | Removed / first absent |
| Lantheus Holdings, Inc. | Lantheus Holdings, Inc. | 2022-11-30 | Removed / first absent |
| Tivity Health, Inc. | Tivity Health, Inc. | 2022-08-31 | Removed / first absent |
| BioTelemetry, Inc. | BioTelemetry, Inc. | 2021-02-28 | Removed / first absent |
| Mesa Laboratories, Inc. | Mesa Laboratories, Inc. | 2025-11-30 | Removed / first absent |
| Eagle Pharmaceuticals, Inc. | Eagle Pharmaceuticals, Inc. | 2023-08-31 | Removed / first absent |
| Omnicell, Inc. | Omnicell, Inc. | 2022-08-31 | Removed / first absent |
| Medpace Holdings, Inc. | Medpace Holdings, Inc. | 2020-11-30 | Removed / first absent |
| Enanta Pharmaceuticals, Inc. | Enanta Pharmaceuticals, Inc. | 2023-11-30 | Removed / first absent |
| Anika Therapeutics, Inc. | Anika Therapeutics, Inc. | 2023-11-30 | Removed / first absent |
| Tactile Systems Technology, Inc. | Tactile Systems Technology, Inc. | 2022-08-31 | Removed / first absent |
| Inogen, Inc. | Inogen, Inc. | 2023-08-31 | Removed / first absent |
| Varex Imaging Corp. | Varex Imaging Corp. | 2024-11-30 | Removed / first absent |
| Covetrus, Inc. | Covetrus, Inc. | 2022-11-30 | Removed / first absent |
| Invesco Premier U.S. Government Money Portfolio | Invesco Premier U.S. Government Money Portfolio | 2020-02-29 | Removed / first absent |
| Luminex Corp. | Luminex Corp. | 2021-08-31 | Removed / first absent |
| Pennant Group, Inc. (The) | Pennant Group, Inc. (The) | 2023-05-31 | Removed / first absent |
| Neogen Corp. | Neogen Corp. | 2020-11-30 | Removed / first absent |
| HMS Holdings Corp. | HMS Holdings Corp. | 2021-05-31 | Removed / first absent |
| Emergent BioSolutions, Inc. | Emergent BioSolutions, Inc. | 2020-08-31 | Removed / first absent |
| Cambrex Corp. | Cambrex Corp. | 2020-02-29 | Removed / first absent |
| Orthofix Medical, Inc. | Orthofix Medical, Inc. | 2024-02-29 | Removed / first absent |
| Vanda Pharmaceuticals, Inc. | Vanda Pharmaceuticals, Inc. | 2023-11-30 | Removed / first absent |
| AngioDynamics, Inc. | AngioDynamics, Inc. | 2023-11-30 | Removed / first absent |
| Providence Service Corp. (The) | Providence Service Corp. (The) | 2021-02-28 | Removed / first absent |
| Cytokinetics, Inc. | Cytokinetics, Inc. | 2024-05-31 | Removed / first absent |
| OraSure Technologies, Inc. | OraSure Technologies, Inc. | 2024-08-31 | Removed / first absent |
| Cross Country Healthcare, Inc. | Cross Country Healthcare, Inc. | 2024-11-30 | Removed / first absent |
| Diplomat Pharmacy, Inc. | Diplomat Pharmacy, Inc. | 2020-02-29 | Removed / first absent |
| Endo International PLC | Endo International PLC | 2022-08-31 | Removed / first absent |
| Hanger, Inc. | Hanger, Inc. | 2022-11-30 | Removed / first absent |