CoreCap Advisors’s Prothena Corp PRTA Stock Holding History

CoreCap Advisors’s Portfolio PRTA Stock Details PRTA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$108	Sell	11 -12	-52%	-$118	﹤0.01%	3069
2026 Q1	$224	Hold	23	–	–	﹤0.01%	2747
2025 Q4	$220	Hold	23	–	–	﹤0.01%	2805
2025 Q3	$224	Hold	23	–	–	﹤0.01%	2662
2025 Q2	$140	Hold	23	–	–	﹤0.01%	2659
2025 Q1	$285	Hold	23	–	–	﹤0.01%	2826
2024 Q4	$319	Hold	23	–	–	﹤0.01%	2618
2024 Q3	$385	Hold	23	–	–	﹤0.01%	2400
2024 Q2	$475	Hold	23	–	–	﹤0.01%	1454
2024 Q1	$570	Buy	+23	New	+$684	﹤0.01%	2314
2022 Q4	$1.39K	Buy	+23	New	+$1.35K	﹤0.01%	2005
2022 Q3	–	Sell	-11	Closed	–	–	1673
2022 Q2	$0	Buy	+11	New	+$322	﹤0.01%	2240
2022 Q1	–	Sell	-11	Closed	-$1K	–	1677
2021 Q4	$1K	Buy	+11	New	+$610	﹤0.01%	2208

Other funds holding PRTA

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

PAI

Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return

CoreCap Advisors's PRTA Position: Q2 2026 in Review

CoreCap Advisors reduced its Prothena Corp (PRTA) stake by 52% in Q2 2026, selling an estimated $118 and leaving 11 shares worth $108. The position accounts for ﹤0.01% of the portfolio, ranked #3069.

CoreCap Advisors first reported a position in PRTA in Q4 2021 and has held it in 13 quarters since. The position peaked at $1.39K in Q4 2022. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

CoreCap Advisors held 11 shares of Prothena Corp worth $108 as of Q2 2026.
CoreCap Advisors sold 12 Prothena Corp shares in Q2 2026, an estimated $118.
Prothena Corp made up ﹤0.01% of CoreCap Advisors's portfolio in Q2 2026, its #3069 holding.
CoreCap Advisors first reported a position in Prothena Corp in Q4 2021 and has held it in 13 quarters since.
CoreCap Advisors's Prothena Corp position peaked at $1.39K in Q4 2022.
188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on CoreCap Advisors's 13F filing for Q2 2026, filed 6 Jul 2026.