Ballard Pwr Sys shares owned by Douglass Winthrop Advisors
Quarter-by-quarter ownership of Ballard Pwr Sys (BLDP) shares owned by Douglass Winthrop Advisors
from 13F filings
Historical chart of Douglass Winthrop Advisors investment in Ballard Pwr Sys
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Quarterly reported holdings in Ballard Pwr Sys by Douglass Winthrop Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $30k | 11k | 2.72 |
| 2025-06-30 | $18k | 11k | 1.59 |
| 2025-03-31 | $12k | 11k | 1.10 |
| 2024-12-31 | $18k | 11k | 1.66 |
| 2024-09-30 | $20k | 11k | 1.80 |
| 2024-06-30 | $25k | 11k | 2.25 |
| 2024-03-31 | $31k | 11k | 2.78 |
| 2023-12-31 | $40k | 11k | 3.67 |
| 2023-09-30 | $40k | 11k | 3.67 |
| 2023-06-30 | $48k | 11k | 4.36 |
| 2023-03-31 | $61k | 11k | 5.55 |
| 2022-12-31 | $53k | 11k | 4.82 |
| 2022-09-30 | $67k | 11k | 6.09 |
| 2022-06-30 | $69k | 11k | 6.27 |
| 2022-03-31 | $128k | 11k | 11.64 |
| 2021-12-31 | $138k | 11k | 12.55 |
| 2021-09-30 | $155k | 11k | 14.09 |
| 2021-06-30 | $199k | 11k | 18.09 |
| 2021-03-31 | $268k | 11k | 24.36 |
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