Parallax Volatility Advisers’s Prothena Corp PRTA Stock Holding History

Parallax Volatility Advisers’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
2023 Q3	–	Sell	-6,425	Closed	-$439K	–	2542
2023 Q2	$439K	Buy	+6,425	New	+$414K	﹤0.01%	1684
2020 Q4	–	Sell	-27,965	Closed	-$279K	–	3114
2020 Q3	$279K	Buy	+27,965	New	+$336K	﹤0.01%	2426
2019 Q1	–	Sell	-101	Closed	-$1K	–	3716
2018 Q4	$1K	Sell	101 -7,099	-99%	-$84.4K	﹤0.01%	2795
2018 Q3	$94K	Sell	7,200 -27,740	-79%	-$401K	﹤0.01%	1727
2018 Q2	$509K	Sell	34,940 -46,293	-57%	-$914K	﹤0.01%	1271
2018 Q1	$2.98M	Buy	81,233 +75,311	+1,272%	+$2.74M	﹤0.01%	659
2017 Q4	$222K	Buy	+5,922	New	+$302K	﹤0.01%	2200

Other funds holding PRTA

EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

PAI

Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return

FLAM

First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Parallax Volatility Advisers's PRTA Position: Q3 2023 in Review

Parallax Volatility Advisers sold out of Prothena Corp (PRTA) in Q3 2023, closing a stake of 6,425 shares — an estimated $439K sold.

Parallax Volatility Advisers first reported a position in PRTA in Q4 2017 and held it in 7 quarters. The position peaked at $2.98M in Q1 2018. 186 funds tracked by Wall St. Rank hold PRTA as of Q3 2023.

Parallax Volatility Advisers reported no remaining Prothena Corp position as of Q3 2023 after selling out during the quarter.
Parallax Volatility Advisers sold 6,425 Prothena Corp shares in Q3 2023, an estimated $439K.
Parallax Volatility Advisers first reported a position in Prothena Corp in Q4 2017 and held it in 7 quarters.
Parallax Volatility Advisers's Prothena Corp position peaked at $2.98M in Q1 2018.
186 funds tracked by Wall St. Rank held Prothena Corp as of Q3 2023.

Based on Parallax Volatility Advisers's 13F filing for Q3 2023, filed 14 Nov 2023.