Exhibit 21.1
| Name of Entity | Doing Business As | Jurisdiction of Registration | Direct Ownership Interest | |||
| ABACA, Inc. | The Holistic Center | Arizona, USA | 0.0% | |||
| Ambary, LLC | Arizona, USA | 100% | ||||
| The Healing Center Wellness Center, Inc. | Health For Life Crismon | Arizona, USA | 0.0% | |||
| Health for Life, Inc. | Health For Life Ellsworth Health For Life East |
Arizona, USA | 0.0% | |||
| Soothing Options, Inc. | Health For Life McDowell Health For Life North |
Arizona, USA | 0.0% | |||
| S8 Management, LLC | Arizona, USA | 100% | ||||
| S8 Rental Services, LLC | Arizona, USA | 100% | ||||
| iAnthus Arizona, LLC | Arizona, USA | 100% | ||||
| MPX Bioceutical ULC | British Columbia, Canada | 100% | ||||
| Scarlet Globemallow, LLC | Colorado, USA | 100% | ||||
| Bergamot Properties, LLC | Colorado, USA | 100% | ||||
| Bellflower, LLC | Organix | Colorado, USA | 0.0% | |||
| iAnthus Capital Management, LLC | Delaware, USA | 100% | ||||
| iAnthus Holdings Florida, LLC | Florida, USA | 100% | ||||
| GrowHealthy Properties, LLC | GrowHealthy | Florida, USA | 100% | |||
| GHHIA Management, Inc. | GrowHealthy | Florida, USA | 100% | |||
| McCrory’s Sunny Hill Nursery, LLC | GrowHealthy | Florida, USA | 100% | |||
| iA IT, LLC | Illinois, USA | 100% | ||||
| iA GPT, LLC | Illinois, USA | 19% | ||||
| iA GP, LLC | Illinois, USA | 19% | ||||
| Island Thyme, LLC | Illinois, USA | 19% | ||||
| MPX Luxembourg SARL | Luxembourg | 100% | ||||
| GreenMart of Maryland, LLC | Health For Life Baltimore | Maryland, USA | 0.0% | |||
| LMS Wellness Benefit, LLC | Health For Life White Marsh | Maryland, USA | 0.0% | |||
| Rosebud Organics, Inc. | Maryland, USA | 0.0% | ||||
| Budding Rose, Inc. | Health For Life Bethesda | Maryland, USA | 0.0% | |||
| Pilgrim Rock Management, LLC | Massachusetts, USA | 100% | ||||
| Mayflower Medicinals, Inc. | Massachusetts, USA | 100% | ||||
| Cannatech Medicinals Inc. | Massachusetts, USA | 100% | ||||
| Fall River Development Company, LLC | Massachusetts, USA | 100% | ||||
| IMT, LLC | Massachusetts, USA | 100% | ||||
| CGX Life Sciences, Inc. | Nevada, USA | 100% | ||||
| GreenMart of Nevada NLV, LLC | Nevada, USA | 100% | ||||
| iA Northern Nevada, Inc. | Nevada, USA | 100% | ||||
| MPX New Jersey, LLC | New Jersey, USA | 4 units | ||||
| GTL Holdings, LLC | New Jersey, USA | 100% | ||||
| iAnthus New Jersey, LLC | New Jersey, USA | 100% | ||||
| iA CBD, LLC | New Jersey, USA | 100% | ||||
| iAnthus Empire Holdings, LLC | New York, USA | 100% | ||||
| Citiva Medical, LLC | Citiva | New York, USA | 100% | |||
| Grassroots Vermont Management Services, LLC | Vermont, USA | 100% | ||||
| FWR, Inc. | Grassroots Vermont | Vermont, USA | 100% | |||
| Pakalolo, LLC | Vermont, USA | 100% |