Janus Henderson Group PLC
- SEC CIK
- 0001274173
- Latest filing
- May 18, 2026
PRTA holding history
Prothena Corp Public Ltd Co in every 13F filed by Janus Henderson Group PLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
PRTA overviewAll 13F holders of PRTAFull Q1 2026 holdings
- Shares (Q3 2025)
- 0
- Sold out in Q3 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 15
- Since Q4 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q3 2025 | 0 | $0 | 0.0% | −18,047−100.0% | Sold out | Holders |
| Q2 2025 | 18,047 | $109.8K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 18,047 | $237.2K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2024 | 18,047 | $249.4K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2024 | 18,047 | $301.3K | <0.1% | −1,008,511−98.2% | Reduced | Holders |
| Q2 2024 | 1,026,558 | $21.2M | <0.1% | −283,032−21.6% | Reduced | Holders |
| Q1 2024 | 1,309,590 | $32.4M | <0.1% | −726,394−35.7% | Reduced | Holders |
| Q4 2023 | 2,035,984 | $74.0M | <0.1% | +209,375+11.5% | Added | Holders |
| Q3 2023 | 1,826,609 | $88.1M | 0.1% | +154,078+9.2% | Added | Holders |
| Q2 2023 | 1,672,531 | $114.2M | 0.1% | +76,228+4.8% | Added | Holders |
| Q1 2023 | 1,596,303 | $77.4M | 0.1% | +163,980+11.4% | Added | Holders |
| Q4 2022 | 1,432,323 | $86.3M | 0.1% | +1,279,375+836.5% | Added | Holders |
| Q3 2022 | 152,948 | $9.28M | <0.1% | −30,092−16.4% | Reduced | Holders |
| Q2 2022 | 183,040 | $4.97M | <0.1% | +177,545+3,231.0% | Added | Holders |
| Q1 2022 | 5,495 | $201.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2021 | 5,495 | $272.0K | <0.1% | +5,495 | New | Holders |