| Quarter | Holdings | Value ($000) | Form Type | Date Filed | Filing ID | Name |
|---|---|---|---|---|---|---|
| Q1 2023 | 141 | 379,822 | 13F-HR | 5/10/2023 | 000174031623000002 | Gifford Fong Associates |
| Q4 2022 | 139 | 436,084 | 13F-HR | 2/13/2023 | 000174031623000001 | Gifford Fong Associates |
| Q3 2022 | 140 | 404,305 | 13F-HR | 11/15/2022 | 000174031622000005 | Gifford Fong Associates |
| Q2 2022 | 139 | 429,175 | 13F-HR | 8/11/2022 | 000174031622000004 | Gifford Fong Associates |
| Q1 2022 | 138 | 547,031 | 13F-HR | 5/12/2022 | 000174031622000002 | Gifford Fong Associates |
| Q4 2021 | 139 | 571,600 | 13F-HR | 2/9/2022 | 000174031622000001 | Gifford Fong Associates |
| Q3 2021 | 136 | 514,718 | 13F-HR | 11/10/2021 | 000174031621000005 | Gifford Fong Associates |
| Q2 2021 | 135 | 514,361 | 13F-HR | 8/9/2021 | 000174031621000004 | Gifford Fong Associates |
| Q1 2021 | 135 | 465,277 | 13F-HR | 5/12/2021 | 000174031621000003 | Gifford Fong Associates |
| Q4 2020 | 136 | 430,862 | 13F-HR | 3/1/2021 | 000174031621000002 | Gifford Fong Associates |
| Q3 2020 | 132 | 373,183 | 13F-HR | 11/12/2020 | 000174031620000004 | Gifford Fong Associates |
| Q2 2020 | 129 | 330,094 | 13F-HR | 8/14/2020 | 000174031620000003 | Gifford Fong Associates |
| Q1 2020 | 127 | 272,548 | 13F-HR | 5/14/2020 | 000174031620000002 | Gifford Fong Associates |
| Q4 2019 | 125 | 342,704 | 13F-HR | 2/11/2020 | 000174031620000001 | Gifford Fong Associates |
| Q3 2019 | 124 | 305,778 | 13F-HR | 11/13/2019 | 000174031619000004 | Gifford Fong Associates |
| Q2 2019 | 121 | 298,921 | 13F-HR | 8/8/2019 | 000174031619000003 | Gifford Fong Associates |
| Q1 2019 | 119 | 302,824 | 13F-HR | 5/7/2019 | 000174031619000002 | Gifford Fong Associates |
| Q4 2018 | 118 | 264,905 | 13F-HR | 1/30/2019 | 000174031619000001 | Gifford Fong Associates |
| Q3 2018 | 117 | 314,313 | 13F-HR | 11/8/2018 | 000174031618000005 | Gifford Fong Associates |
| Q2 2018 | 112 | 289,350 | 13F-HR | 8/16/2018 | 000174031618000004 | Gifford Fong Associates |
| Q1 2018 | 76 | 244,922 | 13F-HR | 5/11/2018 | 000174031618000001 | Gifford Fong Associates |