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Note 4 - Investments | 6 Months Ended
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Jun. 30, 2026
Notes to Financial Statements |
Investment Holdings [Text Block] | Note 4. Investments The following table shows the Company’s investments as of June 30, 2026 and December 31, 2025:
|  | June 30, 2026 |  |  | December 31, 2025 |
|  | Cost |  |  | Fair Value |  |  | Cost |  |  | Fair Value |
|  | (In thousands) |
Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt |  | $ | 682,425 |  |  | $ | 647,999 |  |  | $ | 602,488 |  |  | $ | 596,025 |
Warrants |  |  | 15,155 |  |  |  | 16,703 |  |  |  | 14,868 |  |  |  | 16,648 |
Other |  |  | 37,962 |  |  |  | 4,037 |  |  |  | 45,258 |  |  |  | 3,444 |
Equity |  |  | 42,110 |  |  |  | 7,757 |  |  |  | 42,655 |  |  |  | 31,127 |
Equity interest in RoHo Joint Venture |  |  | 215 |  |  |  | 215 |  |  |  | — |  |  |  | — |
Total investments |  | $ | 777,867 |  |  | $ | 676,711 |  |  | $ | 705,269 |  |  | $ | 647,244 |
The following table shows the Company’s investments by industry sector as of June 30, 2026 and December 31, 2025:
|  | June 30, 2026 |  |  | December 31, 2025 |
|  | Cost |  |  | Fair Value |  |  | Cost |  |  | Fair Value |
|  | (In thousands) |
Life Science |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Biotechnology |  | $ | 117,812 |  |  | $ | 86,231 |  |  | $ | 94,280 |  |  | $ | 61,829 |
Medical Device |  |  | 230,456 |  |  |  | 232,913 |  |  |  | 227,893 |  |  |  | 222,485 |
Technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Communications |  |  | 6,286 |  |  |  | 7,459 |  |  |  | 522 |  |  |  | 3,142 |
Consumer-Related |  |  | 30,840 |  |  |  | 19,800 |  |  |  | 31,204 |  |  |  | 21,846 |
Data Storage |  |  | 417 |  |  |  | 197 |  |  |  | 417 |  |  |  | 230 |
Internet and Media |  |  | 329 |  |  |  | 78 |  |  |  | 329 |  |  |  | 151 |
Networking |  |  | 364 |  |  |  | — |  |  |  | 364 |  |  |  | — |
Software |  |  | 237,700 |  |  |  | 228,691 |  |  |  | 199,608 |  |  |  | 190,911 |
Sustainability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alternative Energy |  |  | — |  |  |  | — |  |  |  | 4,914 |  |  |  | 4,905 |
Energy Efficiency |  |  | 125 |  |  |  | 15 |  |  |  | 125 |  |  |  | 9 |
Other Sustainability |  |  | 57,406 |  |  |  | 18,223 |  |  |  | 50,321 |  |  |  | 49,315 |
Healthcare Information and Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Diagnostics |  |  | 12,001 |  |  |  | 10,560 |  |  |  | 11,553 |  |  |  | 11,369 |
Other |  |  | 38,889 |  |  |  | 30,041 |  |  |  | 38,668 |  |  |  | 34,508 |
Software |  |  | 45,027 |  |  |  | 42,288 |  |  |  | 45,071 |  |  |  | 46,544 |
Investment funds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
RoHo Capital Opportunity Fund LLC |  |  | 215 |  |  |  | 215 |  |  |  | — |  |  |  | — |
Total investments |  | $ | 777,867 |  |  | $ | 676,711 |  |  | $ | 705,269 |  |  | $ | 647,244 |
RoHo Capital Opportunity LLC On March 18, 2026, the Company and CRFH entered into the LLC Agreement to form the RoHo Joint Venture. The RoHo Joint Venture is intended to enhance the investment strategy of the Company by providing growth capital financing solutions to small and micro-cap public companies. The Company has committed to invest up to $87.5 million in the RoHo Joint Venture and CRFH has committed to invest up to $12.5 million in the RoHo Joint Venture. Investments by each of the Company and CRFH in the RoHo Joint Venture will be made in the form of membership interests. All investments by the RoHo Joint Venture must be approved by the unanimous vote of the RoHo Joint Venture’s investment committee, which is comprised of an equal number of representatives designated by each of the Company and CRFH. Further, all other decisions regarding the management of the RoHo Joint Venture require the approval of the majority of the RoHo Joint Venture’s board of directors, which is comprised of an equal number of representatives from each of the Company and CRFH. As of June 30, 2026, no investments were made by the RoHo Joint Venture. The following tables show certain summarized financial information for the RoHo Joint Venture as of June 30, 2026 and for the three months ended June 30, 2026 and for the period March 18, 2026 through June 30, 2026:
|  | June 30, |
|  | 2026 |
Assets |  |  |  |
Investments in money market funds |  |  | 200 |
Contributions receivable |  |  | 430 |
Total assets |  | $ | 630 |
Liabilities |  |  |  |
Other liabilities |  |  | 630 |
Total liabilities |  |  | 630 |
Commitments and contingencies |  |  |  |
Members’ Capital |  |  |  |
Members’ capital |  |  | — |
Total members’ capital |  |  | — |
Total liabilities and members’ capital |  | $ | 630 |
|  | For the three months |  |  | For the period March 18, |
|  | ended |  |  | 2026 through |
|  | June 30, 2026 |
|  | (In thousands) |
Selected Statements of Operations Information |  |  |  |  |  |  |  |
Total investment income |  | $ | — |  |  | $ | — |
Total expenses |  | $ | 430 |  |  | $ | 430 |
Net investment income |  | $ | (430 | ) |  | $ | (430 | )
Net decrease in net assets resulting from operations |  | $ | (430 | ) |  | $ | (430 | )

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- Definition The entire disclosure for investment holdings. This includes the long positions of investments for the entity. It contains investments in affiliated and unaffiliated issuers. The investments include securities and non securities (i.e. commodities and futures contracts). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-12 + Details
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