Position history for MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s holdings in PROTHENA CORP PLC
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds 132,051 shares of PRTA (PROTHENA CORP PLC), worth $1.3M as of 2026-Q1. The position was increased (+187.3% shares). PRTA represents 0.0% of MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s portfolio.
Current Value
$1.3M
Current Shares
132,051
Total Value Change
+$662,848
Total Shares Change
+87,236
Other major holders of PRTA: PRICE T ROWE ASSOCIATES INC /MD/
Increased |
| 132,051 |
+187.3% |
| $1.3M |
| 0.0% |
| $9.36 |
41 |
| 2025-Q4 | Decreased | 45,970 | -3.2% | $439,013 | 0.0% | $9.31 | 0 |
| 2025-Q3 | Increased | 47,489 | +7.0% | $463,493 | 0.0% | $9.76 | 26 |
| 2025-Q2 | Increased | 44,364 | +1.3% | $269,289 | 0.0% | $6.08 | 23 |
| 2025-Q1 | Decreased | 43,816 | -2.2% | $542,223 | 0.0% | $13.14 | 0 |
| 2024-Q4 | New | 44,815 | - | $620,688 | 0.0% | $14.88 | 34 |