TANG CAPITAL MANAGEMENT LLC Diversified Active

Location: San Diego, CA

CIK: 0001232621 · Show all filings

Period: Q1 2015 (← Previous) (Next →)

Filing Date: May 15, 2015

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

Holdings (8)

HRTX HERON THERAPEUTICS INC 38.1%

Value $71.58M Shares 4,919,625 Est. Cost $12.54 Unrealized -10.1%

— LA JOLLA PHARMACEUTICAL CO 20.9%

Value $39.24M Shares 2,144,387 Est. Cost $10.40 Unrealized —

— OPKO HEALTH INC 15.7%

Value $29.44M Shares 14,000,000 Est. Cost $1.47 Unrealized —

BMRN BIOMARIN PHARMACEUTICAL INC 12.1%

Value $22.72M Shares 182,300 Est. Cost $62.32 Unrealized +70.0%

— MIRATI THERAPEUTICS INC 6.1%

Value $11.39M Shares 388,543 Est. Cost $20.62 Unrealized —

— MERRIMACK PHARMACEUTICALS INC 5.9%

Value $11.15M Shares 5,500,000 Est. Cost $1.36 Unrealized —

— ONCOGENEX PHARMACEUTICALS INC 0.7%

Value $1.351M Shares 628,400 Est. Cost $2.23 Unrealized —

— RXI PHARMACEUTICALS CORP 0.6%

Value $1.132M Shares 1,572,699 Est. Cost $0.72 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
HRTX	HERON THERAPEUTICS INC	4,919,625	$71.58M	38.1%	$12.54	-10.1%	COM	427746102
—	LA JOLLA PHARMACEUTICAL CO	2,144,387	$39.24M	20.9%	$10.40	—	COM	503459604
—	OPKO HEALTH INC	14,000,000	$29.44M	15.7%	$1.47	—	DEBT 3.0% 2/1/33	68375NAB9
BMRN	BIOMARIN PHARMACEUTICAL INC	182,300	$22.72M	12.1%	$62.32	+70.0%	COM	09061G101
—	MIRATI THERAPEUTICS INC	388,543	$11.39M	6.1%	$20.62	—	COM	60468T105
—	MERRIMACK PHARMACEUTICALS INC	5,500,000	$11.15M	5.9%	$1.36	—	NOTE 4.5% 7/15/20	590328AA8
—	ONCOGENEX PHARMACEUTICALS INC	628,400	$1.351M	0.7%	$2.23	—	COM	68230A106
—	RXI PHARMACEUTICALS CORP	1,572,699	$1.132M	0.6%	$0.72	—	COM	74979C303