Marshall Wace North America’s Prothena Corp PRTA Stock Holding History

Marshall Wace North America’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
2021 Q3	$2.47M	Buy	+34,755	New	+$2.16M	0.01%	678
2021 Q2	–	Sell	-30,601	Closed	-$769K	–	1707
2021 Q1	$769K	Buy	30,601 +18,497	+153%	+$348K	﹤0.01%	1108
2020 Q4	$145K	Buy	+12,104	New	+$143K	﹤0.01%	1248
2019 Q3	–	Sell	-37,941	Closed	-$401K	–	1492
2019 Q2	$401K	Buy	+37,941	New	+$390K	﹤0.01%	931
2018 Q4	–	Sell	-207,473	Closed	-$2.71M	–	1600
2018 Q3	$2.71M	Buy	+207,473	New	+$3M	0.02%	430
2018 Q2	–	Sell	-199,129	Closed	-$7.31M	–	1627
2018 Q1	$7.31M	Buy	+199,129	New	+$7.24M	0.04%	473
2017 Q2	–	Sell	-6,934	Closed	-$388K	–	1431
2017 Q1	$388K	Buy	+6,934	New	+$364K	﹤0.01%	842

Other funds holding PRTA

EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

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

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

PAI

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

FLAM

First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

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

Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Marshall Wace North America's PRTA Position: Q3 2021 in Review

Marshall Wace North America opened a new position in Prothena Corp (PRTA) in Q3 2021: 34,755 shares worth $2.47M. The stake represents 0.01% of the portfolio and ranks #678 among its holdings. This is a return to the name: Marshall Wace North America previously reported a position in PRTA as recently as Q1 2021.

Marshall Wace North America first reported a position in PRTA in Q1 2017 and has held it in 7 quarters since. The position peaked at $7.31M in Q1 2018. 192 funds tracked by Wall St. Rank hold PRTA as of Q3 2021.

Marshall Wace North America held 34,755 shares of Prothena Corp worth $2.47M as of Q3 2021.
Prothena Corp was a new Marshall Wace North America position in Q3 2021.
Prothena Corp made up 0.01% of Marshall Wace North America's portfolio in Q3 2021, its #678 holding.
Marshall Wace North America first reported a position in Prothena Corp in Q1 2017 and has held it in 7 quarters since.
Marshall Wace North America's Prothena Corp position peaked at $7.31M in Q1 2018.
192 funds tracked by Wall St. Rank held Prothena Corp as of Q3 2021.

Based on Marshall Wace North America's 13F filing for Q3 2021, filed 15 Nov 2021.