	December 31, 2020		March 31, 2020
	(in $000's)
Investment in Shockwave Medical	$	30,779	$	55,704
Other investments		62,995		38,741
Operating lease right of use asset (Note 10)		10,399		11,760
Cross currency swap (Note 6)		—		3,786
Other		5,640		7,664
Total other assets	$	109,813	$	117,655

The fair value of the Company’s investment in Shockwave Medical, a publicly traded medical device company, was $30.8 million and $55.7 million as of December 31, 2020 and March 31, 2020, respectively. During the three and nine months ended December 31, 2020, amounts recorded in other income, net, were gains of $6.2 million and $32.3 million, net of tax, respectively. During the three and nine months ended December 31, 2019, amounts recorded in other income, net, were gains of $17.8 million and $13.3 million, net of tax, respectively. The Company held 0.3 million shares of Shockwave Medical at December 31, 2020.

The carrying value of the Company’s portfolio of other investments and the change in the balance for the three and nine months ended December 31, 2020 and 2019 are as follows:

	For the Three Months Ended December 31,					For the Nine Months Ended December 31,
		2020		2019			2020			2019
	(in $000's)
Beginning balance	$	39,041	$	31,584			38,741			24,584
Additions		23,004		12,600			26,104			19,600
Reclassification		—		—			(2,000	)		—
Impairment		—		(750	)		(800	)		(750	)
Change in fair value		950		—			950			—
Ending balance	$	62,995	$	43,434		$	62,995		$	43,434

During the three and nine months ended December 31, 2020, the Company made additional investments of $23.0 million and $26.1 million, respectively, in private medical device companies. The Company also recorded impairment losses of $0 and $0.8 million in other income, net relating to certain of the Company’s investments in other private medical device companies.

Included within other is $3.6 million related to license manufacturing rights to certain technology from third parties which are amortized over a useful life of 15 years.