| Investments in and Advances to Affiliates [Table Text Block] |
| AFFILIATE/CONTROLLED INVESTMENTS* |
|
VALUE AT 12/31/24 |
|
|
PURCHASE/ MERGER |
|
|
INTEREST |
|
|
SALES/ MATURITY/ EXPIRATION |
|
|
REALIZED GAIN (LOSS) |
|
|
CHANGE IN APPRECIATION/ DEPRECIATION |
|
|
VALUE 9/30/25 |
|
|
SHARES HELD AT 9/30/25 |
|
| Equipment Leasing |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| EQX Capital, Inc. Common Stock* |
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
|
100,000 |
|
| EQX Capital, Inc. Series A Preferred Stock* |
|
|
29,466 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(6,293 |
) |
|
|
23,173 |
|
|
|
1,930,000 |
|
| Total Equipment Leasing |
|
$ |
29,466 |
|
|
|
|
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
(6,293 |
) |
|
$ |
23,173 |
|
|
|
|
|
| Medical Devices |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| IntraOp Medical Corp. Convertible Note* |
|
|
9,966 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(8,696 |
) |
|
|
1,270 |
|
|
|
10,961,129 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
1,182 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,031 |
) |
|
|
151 |
|
|
|
1,300,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
454 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(396 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
682 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(595 |
) |
|
|
87 |
|
|
|
750,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
909 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(793 |
) |
|
|
116 |
|
|
|
1,000,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
454 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(396 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
364 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(318 |
) |
|
|
46 |
|
|
|
400,000 |
|
| IntraOp Medical Corp. Term Note* |
|
|
2,728 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(2,380 |
) |
|
|
348 |
|
|
|
3,000,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
909 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(793 |
) |
|
|
116 |
|
|
|
1,000,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
909 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(793 |
) |
|
|
116 |
|
|
|
1,000,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
455 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(397 |
) |
|
|
58 |
|
|
|
500,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
182 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(159 |
) |
|
|
23 |
|
|
|
200,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
636 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(555 |
) |
|
|
81 |
|
|
|
700,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
136 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(119 |
) |
|
|
17 |
|
|
|
150,000 |
|
| IntraOp Medical Corp. Convertible Note* |
|
|
318 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(277 |
) |
|
|
41 |
|
|
|
350,000 |
|
| AFFILIATE/CONTROLLED INVESTMENTS* |
|
VALUE AT 12/31/24 |
|
|
PURCHASE/ MERGER |
|
|
INTEREST |
|
|
SALES/ MATURITY/ EXPIRATION |
|
|
REALIZED GAIN (LOSS) |
|
|
CHANGE IN APPRECIATION/ DEPRECIATION |
|
|
VALUE 9/30/25 |
|
|
SHARES HELD AT 9/30/25 |
|
| IntraOp Medical Corp. Series C Preferred Stock* |
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
|
26,856,187 |
|
| IntraOp Medical Corp. Term Note* |
|
|
1,818 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,586 |
) |
|
|
232 |
|
|
|
2,000,000 |
|
| Total Medical Devices |
|
$ |
25,287 |
|
|
|
|
|
|
$ |
— |
|
|
|
— |
|
|
$ |
— |
|
|
$ |
(22,063 |
) |
|
$ |
3,224 |
|
|
|
|
|
| Semiconductor Equipment |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Revasum, Inc. CDIs*(1) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
39,774,889 |
|
| Total Semiconductor Equipment |
|
$ |
— |
|
|
|
— |
|
|
$ |
— |
|
|
|
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
|
— |
|
| Advanced Materials |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| UCT Coatings, Inc. Common Stock |
|
|
260,497 |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(88,969 |
) |
|
|
171,528 |
|
|
|
1,500,000 |
|
| Total Advanced Materials |
|
$ |
260,497 |
|
|
|
|
|
|
$ |
— |
|
|
|
— |
|
|
$ |
— |
|
|
$ |
(88,969 |
) |
|
$ |
171,528 |
|
|
|
|
|
| Automotive |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,000,000 |
) |
|
|
1,000,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,000,000 |
) |
|
|
1,000,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,000,000 |
) |
|
|
1,000,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(200,000 |
) |
|
|
200,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(185,000 |
) |
|
|
185,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(65,000 |
) |
|
|
65,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(250,000 |
) |
|
|
250,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(250,000 |
) |
|
|
250,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(2,000,000 |
) |
|
|
2,000,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(250,000 |
) |
|
|
250,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(250,000 |
) |
|
|
250,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(250,000 |
) |
|
|
250,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(250,000 |
) |
|
|
250,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(135,000 |
) |
|
|
135,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(165,000 |
) |
|
|
165,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
40,000 |
|
|
|
(40,000 |
) |
|
|
— |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(700,000 |
) |
|
|
700,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(300,000 |
) |
|
|
300,000 |
|
|
|
— |
|
|
|
— |
|
| AFFILIATE/CONTROLLED INVESTMENTS* |
|
VALUE AT 12/31/24 |
|
|
PURCHASE/ MERGER |
|
|
INTEREST |
|
|
SALES/ MATURITY/ EXPIRATION |
|
|
REALIZED GAIN (LOSS) |
|
|
CHANGE IN APPRECIATION/ DEPRECIATION |
|
|
VALUE 9/30/25 |
|
|
SHARES HELD AT 9/30/25 |
|
| Wrightspeed, Inc. Convertible Note* |
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
— |
|
|
$ |
(1,000,000 |
) |
|
$ |
1,000,000 |
|
|
$ |
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,000,000 |
) |
|
|
1,000,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,000,000 |
) |
|
|
1,000,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,000,000 |
) |
|
|
1,000,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,200,000 |
) |
|
|
1,200,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,400,000 |
) |
|
|
1,400,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(250,000 |
) |
|
|
250,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(400,000 |
) |
|
|
400,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(375,000 |
) |
|
|
375,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(400,000 |
) |
|
|
400,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(1,050,000 |
) |
|
|
1,050,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(900,000 |
) |
|
|
900,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(750,000 |
) |
|
|
750,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(4,929,015 |
) |
|
|
4,929,015 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(125,000 |
) |
|
|
125,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Convertible Note* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(100,000 |
) |
|
|
100,000 |
|
|
|
— |
|
|
|
— |
|
| Wrightspeed, Inc. Common Stock* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
69,102 |
|
| Wrightspeed, Inc. Series AA Preferred Stock* |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
60,733,693 |
|
| Total Automotive |
|
$ |
— |
|
|
|
— |
|
|
$ |
— |
|
|
|
— |
|
|
$ |
(24,169,015 |
) |
|
$ |
24,129,015 |
|
|
$ |
— |
|
|
|
— |
|
| Total Affiliates and Controlled Investments |
|
$ |
315,250 |
|
|
|
|
|
|
$ |
— |
|
|
|
— |
|
|
$ |
(24,169,015 |
) |
|
$ |
24,011,690 |
|
|
$ |
197,925 |
|
|
|
|
|
| Total Affiliates |
|
|
260,497 |
|
|
|
|
|
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(88,969 |
) |
|
|
171,528 |
|
|
|
|
|
| Total Controlled Investments |
|
$ |
54,753 |
|
|
|
|
|
|
$ |
— |
|
|
|
— |
|
|
|
(24,169,015 |
) |
|
$ |
24,100,659 |
|
|
$ |
26,397 |
|
|
|
|
|
|