EAM Investors’s Prothena Corp PRTA Stock Holding History

EAM Investors’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	-49,656	Closed	-$3.39M	–	360
2023 Q2	$3.39M	Buy	49,656 +13,500	+37%	+$871K	0.63%	31
2023 Q1	$1.75M	Sell	36,156 -17,190	-32%	-$908K	0.34%	138
2022 Q4	$3.21M	Sell	53,346 -291	-0.5%	-$17K	0.67%	30
2022 Q3	$3.25M	Buy	+53,637	New	+$1.7M	0.71%	20
2021 Q4	–	Sell	-64,650	Closed	-$4.61M	–	357
2021 Q3	$4.61M	Sell	64,650 -39,900	-38%	-$2.48M	0.78%	8
2021 Q2	$5.38M	Buy	104,550 +42,893	+70%	+$1.34M	0.83%	2
2021 Q1	$1.55M	Buy	+61,657	New	+$1.16M	0.23%	206
2016 Q1	–	Sell	-63,746	Closed	-$4.34M	–	331
2015 Q4	$4.34M	Buy	63,746 +7,653	+14%	+$462K	0.57%	28
2015 Q3	$2.54M	Sell	56,093 -61,716	-52%	-$3.59M	0.4%	96
2015 Q2	$6.21M	Buy	117,809 +85,559	+265%	+$3.38M	0.73%	7
2015 Q1	$1.23M	Buy	+32,250	New	+$827K	0.14%	276

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

EAM Investors's PRTA Position: Q3 2023 in Review

EAM Investors sold out of Prothena Corp (PRTA) in Q3 2023, closing a stake of 49,656 shares — an estimated $3.39M sold.

EAM Investors first reported a position in PRTA in Q1 2015 and held it in 11 quarters. The position peaked at $6.21M in Q2 2015. 186 funds tracked by Wall St. Rank hold PRTA as of Q3 2023.

EAM Investors reported no remaining Prothena Corp position as of Q3 2023 after selling out during the quarter.
EAM Investors sold 49,656 Prothena Corp shares in Q3 2023, an estimated $3.39M.
EAM Investors first reported a position in Prothena Corp in Q1 2015 and held it in 11 quarters.
EAM Investors's Prothena Corp position peaked at $6.21M in Q2 2015.
186 funds tracked by Wall St. Rank held Prothena Corp as of Q3 2023.

Based on EAM Investors's 13F filing for Q3 2023, filed 13 Nov 2023.