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PRTAPRTA
8 quarters

Position history for BlackRock, Inc.BlackRock, Inc.'s holdings in PROTHENA CORP PLC

BlackRock, Inc. holds 4.9M shares of PRTA (PROTHENA CORP PLC), worth $47.7M as of 2026-Q2. The position was increased (+4.8% shares). PRTA represents 0.0% of BlackRock, Inc.'s portfolio.

Current Value

$47.7M

Current Shares

4.9M

Total Value Change

-$19.7M

Total Shares Change

+839,568

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
4.9M
+4.8%
$47.7M0.0%$9.79
31
2026-Q1
Increased
4.6M
+13.1%
$45.1M0.0%$9.72
33
2025-Q4
Increased
4.1M
+14.2%
$39.2M0.0%$9.55
33
2025-Q3
Decreased
3.6M
-8.7%
$35.1M0.0%$9.76
0
2025-Q2
Decreased
3.9M
-2.5%
$23.9M0.0%$6.07
0
2025-Q1
Decreased
4M
-1.9%
$50M0.0%$12.38
0
2024-Q4
Increased
4.1M
+2.3%
$57.1M0.0%$13.85
30
2024-Q3
First report
4M
-
$67.4M0.0%$16.73
0

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

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