Plug Power shares owned by Mairs and Power
Historical chart of Mairs and Power investment in Plug Power
Tip: Access up to 7 years of quarterly data
All positions including Plug Power held by Mairs and Power consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Plug Power by Mairs and Power
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $23k | 10k | 2.33 |
| 2025-06-30 | $15k | 10k | 1.49 |
| 2025-03-31 | $14k | 10k | 1.35 |
| 2024-12-31 | $21k | 10k | 2.13 |
| 2024-09-30 | $23k | 10k | 2.26 |
| 2024-06-30 | $23k | 10k | 2.33 |
| 2024-03-31 | $34k | 10k | 3.44 |
| 2023-09-30 | $76k | 10k | 7.60 |
| 2023-06-30 | $104k | 10k | 10.39 |
| 2023-03-31 | $117k | 10k | 11.72 |
| 2022-12-31 | $124k | 10k | 12.37 |
| 2022-09-30 | $210k | 10k | 21.00 |
| 2022-06-30 | $166k | 10k | 16.60 |
| 2022-03-31 | $286k | 10k | 28.60 |
| 2021-12-31 | $282k | 10k | 28.20 |
| 2021-09-30 | $255k | 10k | 25.50 |
| 2021-06-30 | $342k | 10k | 34.20 |
| 2021-03-31 | $358k | 10k | 35.80 |
| 2020-12-31 | $678k | 20k | 33.90 |
| 2020-09-30 | $280k | 21k | 13.41 |
| 2020-06-30 | $246k | 30k | 8.20 |
| 2020-03-31 | $106k | 30k | 3.53 |
| 2019-12-31 | $95k | 30k | 3.17 |
| 2019-09-30 | $79k | 30k | 2.63 |
| 2019-06-30 | $68k | 30k | 2.27 |