Sabby Management’s Prothena Corp PRTA Stock Holding History

Sabby Management’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
2018 Q2	–	Sell	-24,500	Closed	-$899K	–	173
2018 Q1	$899K	Sell	24,500 -230	-0.9%	-$8.37K	0.11%	71
2017 Q4	$927K	Buy	+24,730	New	+$1.26M	0.08%	77
2016 Q2	–	Sell	-40,000	Closed	-$1.65M	–	322
2016 Q1	$1.65M	Buy	+40,000	New	+$1.57M	0.08%	119
2014 Q3	–	Sell	-9,800	Closed	-$221K	–	285
2014 Q2	$221K	Buy	+9,800	New	+$245K	0.01%	224
2014 Q1	–	Sell	-19,000	Closed	-$613K	–	269
2013 Q4	$504K	Buy	+19,000	New	+$477K	0.03%	151

Other funds holding PRTA

WIM

Woodford Investment Management London, United Kingdom $310M AUM 17.41% 1-Year Est. Return

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

SCM

Scopia Capital Management New York $146M AUM 25.93% 1-Year Est. Return

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

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

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

PAI

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

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

Sabby Management's PRTA Position: Q2 2018 in Review

Sabby Management sold out of Prothena Corp (PRTA) in Q2 2018, closing a stake of 24,500 shares — an estimated $899K sold.

Sabby Management first reported a position in PRTA in Q4 2013 and held it in 5 quarters. The position peaked at $1.65M in Q1 2016. 125 funds tracked by Wall St. Rank hold PRTA as of Q2 2018.

Sabby Management reported no remaining Prothena Corp position as of Q2 2018 after selling out during the quarter.
Sabby Management sold 24,500 Prothena Corp shares in Q2 2018, an estimated $899K.
Sabby Management first reported a position in Prothena Corp in Q4 2013 and held it in 5 quarters.
Sabby Management's Prothena Corp position peaked at $1.65M in Q1 2016.
125 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2018.

Based on Sabby Management's 13F filing for Q2 2018, filed 14 Aug 2018.