IFP Advisors’s Prothena Corp PRTA Stock Holding History

IFP 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	$1.64K	Buy	167 +152	+1,013%	+$1.5K	﹤0.01%	4325
2026 Q1	$146	Hold	15	–	–	﹤0.01%	4677
2025 Q4	$143	Hold	15	–	–	﹤0.01%	4537
2025 Q3	$146	Buy	+15	New	+$115	﹤0.01%	4461
2025 Q2	–	Sell	-132	Closed	-$991	–	3303
2025 Q1	$1.63K	Hold	132	–	–	﹤0.01%	3210
2024 Q4	$1.83K	Buy	+132	New	+$2.08K	﹤0.01%	3134
2021 Q3	–	Sell	-20	Closed	-$1K	–	3437
2021 Q2	$1K	Buy	20 +1	+5%	+$31	﹤0.01%	2929
2021 Q1	$0	Buy	19 +2	+12%	+$38	﹤0.01%	3176
2020 Q4	$0	Sell	17 -19	-53%	-$225	﹤0.01%	3061
2020 Q3	$0	Buy	+36	New	+$433	﹤0.01%	2974
2018 Q4	–	Sell	-1	Closed	–	–	3795
2018 Q3	$0	Hold	1	–	–	﹤0.01%	3980
2018 Q2	$0	Hold	1	–	–	﹤0.01%	4016
2018 Q1	$0	Hold	1	–	–	﹤0.01%	3815
2017 Q4	$0	Sell	1 -4	-80%	-$204	﹤0.01%	4045
2017 Q3	$0	Hold	5	–	–	﹤0.01%	4172
2017 Q2	$0	Buy	5 +1	+25%	+$53	﹤0.01%	4178
2017 Q1	$0	Hold	4	–	–	﹤0.01%	4098
2016 Q4	$0	Hold	4	–	–	﹤0.01%	4097
2016 Q3	$0	Hold	4	–	–	﹤0.01%	4004
2016 Q2	$0	Buy	+4	New	+$174	﹤0.01%	4010
2016 Q1	–	Sell	-16	Closed	-$1K	–	3173
2015 Q4	$1K	Buy	+16	New	+$965	﹤0.01%	3544

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

IFP Advisors's PRTA Position: Q2 2026 in Review

IFP Advisors increased its Prothena Corp (PRTA) stake by 1,013% in Q2 2026, buying an estimated $1.5K and bringing the position to 167 shares worth $1.64K. The position accounts for ﹤0.01% of the portfolio, ranked #4325.

IFP Advisors first reported a position in PRTA in Q4 2015 and has held it in 21 quarters since. The position peaked at $1.83K in Q4 2024. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

IFP Advisors held 167 shares of Prothena Corp worth $1.64K as of Q2 2026.
IFP Advisors bought 152 Prothena Corp shares in Q2 2026, an estimated $1.5K.
Prothena Corp made up ﹤0.01% of IFP Advisors's portfolio in Q2 2026, its #4325 holding.
IFP Advisors first reported a position in Prothena Corp in Q4 2015 and has held it in 21 quarters since.
IFP Advisors's Prothena Corp position peaked at $1.83K in Q4 2024.
188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on IFP Advisors's 13F filing for Q2 2026, filed 20 Jul 2026.