Deerfield Management’s Prothena Corp PRTA Stock Holding History

Deerfield 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 Q3	–	Sell	-628,262	Closed	-$9.16M	–	111
2018 Q2	$9.16M	Buy	+628,262	New	+$12.4M	0.32%	81
2014 Q4	–	Sell	-27,500	Closed	-$609K	–	126
2014 Q3	$609K	Buy	27,500 +7,500	+38%	+$159K	0.02%	125
2014 Q2	$451K	Buy	+20,000	New	+$500K	0.02%	119
2014 Q1	–	Sell	-528,705	Closed	-$14M	–	134
2013 Q4	$14M	Buy	+528,705	New	+$13.3M	0.73%	49

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

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

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

PAI

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

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

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

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

Deerfield Management's PRTA Position: Q3 2018 in Review

Deerfield Management sold out of Prothena Corp (PRTA) in Q3 2018, closing a stake of 628,262 shares — an estimated $9.16M sold.

Deerfield Management first reported a position in PRTA in Q4 2013 and held it in 4 quarters. The position peaked at $14M in Q4 2013. 130 funds tracked by Wall St. Rank hold PRTA as of Q3 2018.

Deerfield Management reported no remaining Prothena Corp position as of Q3 2018 after selling out during the quarter.
Deerfield Management sold 628,262 Prothena Corp shares in Q3 2018, an estimated $9.16M.
Deerfield Management first reported a position in Prothena Corp in Q4 2013 and held it in 4 quarters.
Deerfield Management's Prothena Corp position peaked at $14M in Q4 2013.
130 funds tracked by Wall St. Rank held Prothena Corp as of Q3 2018.

Based on Deerfield Management's 13F filing for Q3 2018, filed 14 Nov 2018.