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PRTAPRTA

Showing 8 of 31 quarters

Position history for ALLIANCEBERNSTEIN L.P.ALLIANCEBERNSTEIN L.P.'s holdings in PROTHENA CORP PLC

Yes. AllianceBernstein holds 69,217 shares of PRTA (Prothena), worth $672,789, as of its Q2 2026 13F filing. It reduced the position by 390 shares (-0.6%) from Q1 2026. AllianceBernstein has held PRTA in every 13F on record since Q4 2018, 31 quarterly filings.

Current Value

$672,789

Current Shares

69,217

Total Value Change

-$109,272

Total Shares Change

+22,471

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
69,217
-0.6%
$672,7890.0%$9.79
0
2026-Q1
Unchanged
69,607
0.0%
$664,7470.0%$9.72
0
2025-Q4
Unchanged
69,607
0.0%
$664,7470.0%$9.55
0
2025-Q3
Decreased
69,607
-20.5%
$679,3640.0%$9.76
0
2025-Q2
Increased
87,587
+87.3%
$531,6530.0%$6.07
38
2025-Q1
Unchanged
46,753
0.0%
$578,5680.0%$12.38
0
2024-Q4
Increased
46,753
+0.0%
$647,5290.0%$13.85
24
2024-Q3
Unchanged
46,746
0.0%
$782,0610.0%$16.73
0

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