Castleark Management LLC
- SEC CIK
- 0001106832
- Latest filing
- Aug 14, 2026
PEN holding history
Penumbra Inc in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
PEN overviewAll 13F holders of PENFull Q2 2026 holdings
- Shares (Q1 2026)
- 0
- Sold out in Q1 2026
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 8
- Since Q4 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q1 2026 | 0 | $0 | 0.0% | −2,686−100.0% | Sold out | Holders |
| Q4 2025 | 2,686 | $835.1K | <0.1% | +960+55.6% | Added | Holders |
| Q3 2025 | 1,726 | $437.2K | <0.1% | −22,865−93.0% | Reduced | Holders |
| Q2 2025 | 24,591 | $6.31M | 0.2% | +9,346+61.3% | Added | Holders |
| Q1 2025 | 15,245 | $4.08M | 0.1% | +15,245 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −4,718−100.0% | Sold out | Holders |
| Q3 2023 | 4,718 | $1.14M | 0.1% | −16,412−77.7% | Reduced | Holders |
| Q2 2023 | 21,130 | $7.27M | 0.3% | −4,100−16.3% | Reduced | Holders |
| Q1 2023 | 25,230 | $7.03M | 0.3% | 00.0% | Unchanged | Holders |
| Q4 2022 | 25,230 | $5.61M | 0.3% | +25,230 | New | Holders |