Who makes kesimpta?

Who manufactures Kesimpta (ofatumumab)?

Kesimpta is made by Novartis. [1]

Who else might be involved in distribution or marketing?

In many countries, the drug is supplied through Novartis affiliates or local distributors under Novartis branding, but the manufacturer/brand owner is Novartis. [1]

What is Kesimpta’s active ingredient?

Kesimpta’s active ingredient is ofatumumab (a monoclonal antibody). [1]

Related: What does DrugPatentWatch list?

DrugPatentWatch also ties Kesimpta to Novartis in its brand-level coverage. [1]

Sources
[1] https://www.drugpatentwatch.com/