Ownership history in Engineers Gate Manager LP · 10 quarters on record
This page tracks every 13F SEC filing in which Engineers Gate Manager LP reported a position in PROTHENA CORP PLC (PRTA). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | ADDED | 56,080 | +15,113 | +36.9% | 0.01% | $547K | $9.76 |
| 2025 Q2 | ADDED | 40,967 | +4,444 | +12.2% | 0.00% | $249K | $6.07 |
| 2023 Q4 | ADDED | 36,523 | +25,139 | +220.8% | 0.04% | $1.3M | $36.34 |
| 2023 Q3 | ADDED | 11,384 | +7,683 | +207.6% | 0.02% | $549K | $48.25 |
| 2023 Q2 | REDUCED | 3,701 | -10,720 | -74.3% | 0.01% | $253K | $68.28 |
| 2023 Q1 | ADDED | 14,421 | +10,286 | +248.8% | 0.03% | $699K | $48.47 |
| 2022 Q4 | REDUCED | 4,135 | -17,857 | -81.2% | 0.01% | $249K | $60.25 |
| 2022 Q1 | ADDED | 21,992 | +11,523 | +110.1% | 0.03% | $804K | $36.57 |
| 2021 Q3 | REDUCED | 10,469 | -341 | -3.2% | 0.04% | $746K | $71.23 |
| 2021 Q2 | INITIATED | 10,810 | — | — | 0.04% | $556K | $51.41 |
As of 2025 Q4 — sorted by position size