Equity Method Investments	3 Months Ended
Jun. 30, 2025
Equity Method Investments [Abstract]
Equity Method Investments	Note 4—Equity Method Investments The Company maintains equity method investments in certain entities. As of June 30, 2025 and March 31, 2025, the most significant of these were the Company’s investments in Arbutus and Datavant, which are accounted for using the fair value option. The Company determined that it does not control these entities and as a result does not consolidate these entities. Due to the Company’s significant influence over operating and financial policies of these entities, the entities are considered related parties of the Company. Investment in Arbutus The Company holds an investment in Arbutus in the form of 38,847,462 common shares of Arbutus. As of June 30, 2025, RSL held approximately 20% of the issued and outstanding shares of Arbutus. At June 30, 2025 and March 31, 2025, the aggregate fair value of the Company’s investment in Arbutus was $120.0 million and $135.6 million, respectively with the Company recognizing an unrealized loss of $15.5 million and unrealized gain of $19.8 million on its investment in Arbutus in the accompanying condensed consolidated statements of operations for the three months ended June 30, 2025 and 2024, respectively. The fair value of the Company’s investment was determined using the closing price of Arbutus’s common stock on June 30, 2025 and March 31, 2025 of $3.09 and $3.49, respectively. Investment in Datavant The Company holds an investment in Class A units of Datavant. As of June 30, 2025, the Company’s minority equity interest represented approximately 9% of the outstanding Class A units in Datavant. Datavant’s capital structure includes several classes of preferred units that, among other features, have liquidation preferences and conversion rights. Upon conversion of such preferred units into Class A units, the Company’s ownership interest would be diluted. As of June 30, 2025 and March 31, 2025, the fair value of the Company’s investment was $163.8 million and $167.4 million, respectively with the Company recognizing unrealized losses of $3.6 million and $4.6 million on its investment in Datavant in the accompanying condensed consolidated statements of operations for the three months ended June 30, 2025 and 2024, respectively. The fair value of the Company’s investment was determined using valuation models that incorporate significant unobservable inputs and is classified as a Level 3 measurement within the fair value hierarchy. Refer to Note 13, “Fair Value Measurements” for more information.

The Company maintains equity method investments in certain entities. As of June 30, 2025 and March 31, 2025, the most significant of these were the Company’s investments in Arbutus and Datavant, which are accounted for using the fair value option.

The Company determined that it does not control these entities and as a result does not consolidate these entities. Due to the Company’s significant influence over operating and financial policies of these entities, the entities are considered related parties of the Company.

The Company holds an investment in Arbutus in the form of 38,847,462 common shares of Arbutus. As of June 30, 2025, RSL held approximately 20% of the issued and outstanding shares of Arbutus.

At June 30, 2025 and March 31, 2025, the aggregate fair value of the Company’s investment in Arbutus was $120.0 million and $135.6 million, respectively with the Company recognizing an unrealized loss of $15.5 million and unrealized gain of $19.8 million on its investment in Arbutus in the accompanying condensed consolidated statements of operations for the three months ended June 30, 2025 and 2024, respectively. The fair value of the Company’s investment was determined using the closing price of Arbutus’s common stock on June 30, 2025 and March 31, 2025 of $3.09 and $3.49, respectively.

The Company holds an investment in Class A units of Datavant. As of June 30, 2025, the Company’s minority equity interest represented approximately 9% of the outstanding Class A units in Datavant. Datavant’s capital structure includes several classes of preferred units that, among other features, have liquidation preferences and conversion rights. Upon conversion of such preferred units into Class A units, the Company’s ownership interest would be diluted.

As of June 30, 2025 and March 31, 2025, the fair value of the Company’s investment was $163.8 million and $167.4 million, respectively with the Company recognizing unrealized losses of $3.6 million and $4.6 million on its investment in Datavant in the accompanying condensed consolidated statements of operations for the three months ended June 30, 2025 and 2024, respectively.

The fair value of the Company’s investment was determined using valuation models that incorporate significant unobservable inputs and is classified as a Level 3 measurement within the fair value hierarchy. Refer to Note 13, “Fair Value Measurements” for more information.