Penumbra shares owned by CastleArk Management
Quarter-by-quarter ownership of Penumbra (PEN) shares owned by CastleArk Management
from 13F filings
Historical chart of CastleArk Management investment in Penumbra
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All positions including Penumbra held by CastleArk Management consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Penumbra by CastleArk Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $437k | 1.7k | 253.32 |
| 2025-06-30 | $6.3M | 25k | 256.63 |
| 2025-03-31 | $4.1M | 15k | 267.41 |
| 2023-09-30 | $1.1M | 4.7k | 241.91 |
| 2023-06-30 | $7.3M | 21k | 344.06 |
| 2023-03-31 | $7.0M | 25k | 278.69 |
| 2022-12-31 | $5.6M | 25k | 222.46 |
| 2020-03-31 | $4.2M | 26k | 161.33 |
| 2018-06-30 | $3.6M | 26k | 138.16 |
| 2016-09-30 | $5.1M | 67k | 75.99 |