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PRTAPRTA
15 quarters

Position history for MASSACHUSETTS FINANCIAL SERVICES CO /MA/MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s holdings in PROTHENA CORP PLC

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds 126,990 shares of PRTA (PROTHENA CORP PLC), worth $1.2M as of 2026-Q2. The position was decreased (-3.8% shares). PRTA represents 0.0% of MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s portfolio.

Current Value

$1.2M

Current Shares

126,990

Total Value Change

+$372,232

Total Shares Change

+39,769

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
126,990
-3.8%
$1.2M0.0%$9.79
0
2026-Q1
Increased
132,051
+187.3%
$1.3M0.0%$9.36
41
2025-Q4
Decreased
45,970
-3.2%
$439,0130.0%$9.31
0
2025-Q3
Increased
47,489
+7.0%
$463,4930.0%$9.76
26
2025-Q2
Increased
44,364
+1.3%
$269,2890.0%$6.08
23
2025-Q1
Decreased
43,816
-2.2%
$542,2230.0%$13.14
0
2024-Q4
New
44,815
-
$620,6880.0%$14.88
34
2022-Q2
Exited
0
-100.0%
$00.0%$26.81
0
2022-Q1
Decreased
13,556
-67.6%
$496,0000.0%$36.52
0
2021-Q4
Decreased
41,858
-2.0%
$2.1M0.0%$47.72
0
2021-Q3
Decreased
42,706
-1.3%
$3M0.0%$70.81
0
2021-Q2
Decreased
43,268
-41.0%
$2.2M0.0%$48.51
0
2021-Q1
Decreased
73,339
-32.5%
$1.8M0.0%$22.66
0
2020-Q4
Increased
108,594
+24.5%
$1.3M0.0%$12.38
31
2020-Q3
New
87,221
-
$871,0000.0%$9.93
34

Other major holders of PRTA: BNP PARIBAS FINANCIAL MARKETS, PRICE T ROWE ASSOCIATES INC /MD/

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