Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 21037T109 since 12/18/2024, largest first.
| Filer | % of Class | Filed | ||
|---|---|---|---|---|
| Vanguard Capital Management LLC 13G | 6.4% |
4/29/2026
Event 3/31/2026
|
||
| Under 5%, checked the "5 percent or less" box, or amended by a later filing (4) | ||||
|
FMR LLC
13G/A
|
4.6% |
2/12/2025
Event 12/31/2024
|
||
| FMR LLC | 4.6% | |||
| Abigail P. Johnson | 4.6% | |||
|
ECP ControlCo, LLC
13G/A
|
4.0% |
8/7/2026
Event 6/30/2026
|
||
| ECP ControlCo, LLC | 4.0% | |||
| Energy Capital Partners III, LLC | 2.0% | |||
| Energy Capital Partners IV, LLC | 0.4% | |||
| ECP Calpine GP, LLC | 1.6% | |||
| ECP III Volt Holdings, LLC | <0.1% | |||
| ECP III-A Volt Holdings, LLC | 0.7% | |||
| ECP III-B Volt Holdings, LLC | 0.1% | |||
| ECP III-C Volt Holdings, LP | 0.3% | |||
| ECP III-D Volt Holdings, LP | 0.3% | |||
| ECP Checkerspot Holdings, LP | 0.7% | |||
| ECP IV-A Volt Holdings, LP | 0.1% | |||
| ECP IV-B Volt Holdings, LP | <0.1% | |||
| ECP IV-C Volt Holdings, LP | 0.1% | |||
| ECP IV-D Volt Holdings, LP | 0.2% | |||
| ECP Calpine Fund GP, LP | 1.6% | |||
| ECP Calpine Continuation Fund, LP | 1.3% | |||
| ECP Calpine Rollover Fund, LP | 0.1% | |||
| Capital International Investors 13G/A | 3.3% |
5/14/2026
Event 3/31/2026
|
||
| Vanguard Group Inc 13G/A | 0% |
3/26/2026
Event 3/13/2026
|
||
| Period | Filings | Shares, Excl. Options | Value, Excl. Options |
|---|---|---|---|
| 2026 Q3 | 80 | 634 k | $161 M |
| 2026 Q2 | 1,994 | 407 M | $75.6 B |
| 2026 Q1 | 2,024 | 287 M | $80.3 B |
| 2025 Q4 | 2,111 | 260 M | $91.4 B |
| 2025 Q3 | 1,938 | 253 M | $83.2 B |
| 2025 Q2 | 1,834 | 258 M | $83.3 B |
| 2025 Q1 | 1,644 | 259 M | $52.3 B |
| 2024 Q4 | 1,637 | 254 M | $57.0 B |
| 2024 Q3 | 1,509 | 259 M | $66.7 B |
| 2024 Q2 | 1,393 | 263 M | $52.6 B |
| 2024 Q1 | 1,241 | 271 M | $50.0 B |
| 2023 Q4 | 1,055 | 269 M | $31.5 B |
| 2023 Q3 | 957 | 269 M | $29.7 B |
| 2023 Q2 | 902 | 273 M | $24.9 B |
| 2023 Q1 | 881 | 270 M | $21.2 B |
| 2022 Q4 | 910 | 290 M | $25.0 B |
| 2022 Q3 | 867 | 269 M | $22.4 B |
| 2022 Q2 | 790 | 267 M | $15.3 B |
| 2022 Q1 | 678 | 257 M | $14.4 B |
| 2020 Q2 | 1 | 6.84 k | $392 k |