Headlands Technologies LLC
- SEC CIK
- 0001570271
- Latest filing
- Aug 12, 2026
PRTA holding history
Prothena Corp Public Ltd Co in every 13F filed by Headlands Technologies LLC, 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 Q2 2026 holdings
- Shares (Q2 2026)
- 15,077
- Value
- $147.6K
- % of portfolio
- <0.1%
- Quarters held
- 7
- Since Q3 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 15,077 | $147.6K | <0.1% | +15,077 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −23,352−100.0% | Sold out | Holders |
| Q4 2025 | 23,352 | $223.0K | <0.1% | +23,352 | New | Holders |
| Q1 2025 | 0 | $0 | 0.0% | −7,330−100.0% | Sold out | Holders |
| Q4 2024 | 7,330 | $101.5K | <0.1% | +4,858+196.5% | Added | Holders |
| Q3 2024 | 2,472 | $41.4K | <0.1% | +797+47.6% | Added | Holders |
| Q2 2024 | 1,675 | $34.6K | <0.1% | −2,206−56.8% | Reduced | Holders |
| Q1 2024 | 3,881 | $96.1K | <0.1% | +3,881 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −1,531−100.0% | Sold out | Holders |
| Q3 2023 | 1,531 | $73.9K | <0.1% | +1,531 | New | Holders |