Plug Power shares owned by CastleArk Management
Quarter-by-quarter ownership of Plug Power (PLUG) shares owned by CastleArk Management
from 13F filings
Historical chart of CastleArk Management investment in Plug Power
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All positions including Plug Power held by CastleArk Management consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Plug Power by CastleArk Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.7M | 728k | 2.33 |
| 2022-03-31 | $587k | 21k | 28.62 |
| 2021-12-31 | $1.3M | 45k | 28.23 |
| 2021-09-30 | $1.4M | 54k | 25.54 |
| 2021-06-30 | $387k | 11k | 34.22 |
| 2021-03-31 | $7.8M | 218k | 35.84 |
| 2020-12-31 | $12M | 349k | 33.91 |
| 2020-09-30 | $1.8M | 134k | 13.41 |