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Note 4 - Investments

6 Months Ended

Jun. 30, 2023

Notes to Financial Statements

Investment Holdings [Text Block]

Note 4. Investments

The following table shows the Company’s investments as of June 30, 2023 and December 31, 2022:

		*June 30, 2023*								*December 31, 2022*
		*Cost*				*Fair Value*				*Cost*				*Fair Value*
		(In thousands)
Investments
Debt		$	700,162			$	683,309			$	701,074			$	686,458
Warrants			15,061				25,483				14,790				29,712
Other			1,200				1,300				1,200				1,300
Equity			7,210				5,299				4,184				2,556
Total investments		$	723,633			$	715,391			$	721,248			$	720,026

The following table shows the Company’s investments by industry sector as of June 30, 2023 and December 31, 2022:

		*June 30, 2023*								*December 31, 2022*
		*Cost*				*Fair Value*				*Cost*				*Fair Value*
		(In thousands)
Life Science
Biotechnology		$	182,489			$	174,598			$	193,372			$	195,006
Medical Device			128,203				130,634				132,803				135,960
Technology
Communications			22,922				26,170				22,892				26,176
Consumer-Related			113,903				108,275				121,961				114,050
Data Storage			417				1,060				476				1,316
Internet and Media			329				1,634				329				1,159
Networking			8,391				8,274				11,831				11,710
Power Management			1,585				2,898				1,585				2,610
Semiconductors			57				—				56				—
Software			142,853				139,934				120,157				118,716
Sustainability
Energy Efficiency			111				97				8				27
Other Sustainability			86,095				83,942				84,633				85,524
Healthcare Information and Services
Diagnostics			9,960				9,969				9,851				9,858
Other			101				1,374				7,559				3,870
Software			26,217				26,532				13,735				14,044
Total investments		$	723,633			$	715,391			$	721,248			$	720,026