TANG CAPITAL MANAGEMENT LLC Diversified Active

CIK: 0001232621 · Show all filings

Period: Q1 2015 (← Previous) (Next →)

Filing Date: May 15, 2015

Total Value ($000): $188,008 (78.4% shares, 21.6% debt)

Holdings (8)

HRTX HERON THERAPEUTICS INC 38.1%

Value ($000) $71,580 Shares 4,919,625 Est. Cost $12.54 Unrealized -10.1%

— LA JOLLA PHARMACEUTICAL CO 20.9%

Value ($000) $39,242 Shares 2,144,387 Est. Cost $10.40 Unrealized —

— OPKO HEALTH INC 15.7%

Value ($000) $29,439 Shares 14,000,000 Est. Cost $1.47 Unrealized —

BMRN BIOMARIN PHARMACEUTICAL INC 12.1%

Value ($000) $22,718 Shares 182,300 Est. Cost $62.32 Unrealized +70.0%

— MIRATI THERAPEUTICS INC 6.1%

Value ($000) $11,392 Shares 388,543 Est. Cost $20.62 Unrealized —

— MERRIMACK PHARMACEUTICALS INC 5.9%

Value ($000) $11,154 Shares 5,500,000 Est. Cost $1.36 Unrealized —

— ONCOGENEX PHARMACEUTICALS INC 0.7%

Value ($000) $1,351 Shares 628,400 Est. Cost $2.23 Unrealized —

— RXI PHARMACEUTICALS CORP 0.6%

Value ($000) $1,132 Shares 1,572,699 Est. Cost $0.72 Unrealized —

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
HRTX	HERON THERAPEUTICS INC	4,919,625	$71,580	38.1%	$12.54	-10.1%	COM	427746102
—	LA JOLLA PHARMACEUTICAL CO	2,144,387	$39,242	20.9%	$10.40	—	COM	503459604
—	OPKO HEALTH INC	14,000,000	$29,439	15.7%	$1.47	—	DEBT 3.0% 2/1/33	68375NAB9
BMRN	BIOMARIN PHARMACEUTICAL INC	182,300	$22,718	12.1%	$62.32	+70.0%	COM	09061G101
—	MIRATI THERAPEUTICS INC	388,543	$11,392	6.1%	$20.62	—	COM	60468T105
—	MERRIMACK PHARMACEUTICALS INC	5,500,000	$11,154	5.9%	$1.36	—	NOTE 4.5% 7/15/20	590328AA8
—	ONCOGENEX PHARMACEUTICALS INC	628,400	$1,351	0.7%	$2.23	—	COM	68230A106
—	RXI PHARMACEUTICALS CORP	1,572,699	$1,132	0.6%	$0.72	—	COM	74979C303