Rock Springs Capital Management’s La Jolla Pharmaceutical Company LJPC Stock Holding History

Rock Springs Capital Management’s Portfolio LJPC Stock Details LJPC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-425,000	Closed	-$3.74M	–	149
2019 Q3	$3.74M	Hold	425,000	–	–	0.15%	116
2019 Q2	$3.93M	Buy	425,000 +147,764	+53%	+$1.11M	0.14%	115
2019 Q1	$1.78M	Hold	277,236	–	–	0.07%	122
2018 Q4	$2.61M	Sell	277,236 -4,564	-2%	-$68.7K	0.12%	116
2018 Q3	$5.67M	Buy	281,800 +59,500	+27%	+$1.56M	0.21%	112
2018 Q2	$6.48M	Buy	222,300 +2,300	+1%	+$71K	0.25%	109
2018 Q1	$6.55M	Buy	+220,000	New	+$7.09M	0.28%	101

Other funds holding LJPC

TCM

Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return

Broadfin Capital New York $747M AUM 100.56% 1-Year Est. Return

RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

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

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

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

Boxer Capital San Diego, California $2.04B AUM 108.39% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return

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

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Rock Springs Capital Management's LJPC Position: Q4 2019 in Review

Rock Springs Capital Management sold out of La Jolla Pharmaceutical Company (LJPC) in Q4 2019, closing a stake of 425,000 shares — an estimated $3.74M sold.

Rock Springs Capital Management first reported a position in LJPC in Q1 2018 and held it in 7 quarters. The position peaked at $6.55M in Q1 2018. 77 funds tracked by Wall St. Rank hold LJPC as of Q4 2019.

Rock Springs Capital Management reported no remaining La Jolla Pharmaceutical Company position as of Q4 2019 after selling out during the quarter.
Rock Springs Capital Management sold 425,000 La Jolla Pharmaceutical Company shares in Q4 2019, an estimated $3.74M.
Rock Springs Capital Management first reported a position in La Jolla Pharmaceutical Company in Q1 2018 and held it in 7 quarters.
Rock Springs Capital Management's La Jolla Pharmaceutical Company position peaked at $6.55M in Q1 2018.
77 funds tracked by Wall St. Rank held La Jolla Pharmaceutical Company as of Q4 2019.

Based on Rock Springs Capital Management's 13F filing for Q4 2019, filed 14 Feb 2020.