TANG CAPITAL MANAGEMENT LLC Diversified Active

Location: San Diego, CA

CIK: 0001232621 · Show all filings

Period: Q4 2014 (← Previous) (Next →)

Filing Date: Jan 27, 2015

Total Value: $182M (83.1% shares, 16.9% debt)

Holdings (9)

HRTX HERON THERAPEUTICS INC 27.1%

Value $49.49M Shares 4,919,625 Est. Cost $12.54 Unrealized -34.9%

— LA JOLLA PHARMACEUTICAL CO 21.7%

Value $39.56M Shares 2,144,387 Est. Cost $10.40 Unrealized —

— SALIX PHARMACEUTICALS INC 18.9%

Value $34.48M Shares 300,000 Est. Cost $66.15 Unrealized —

— OPKO HEALTH INC 11.3%

Value $20.57M Shares 14,000,000 Est. Cost $1.47 Unrealized —

BMRN BIOMARIN PHARMACEUTICAL INC 9.0%

Value $16.48M Shares 182,300 Est. Cost $62.32 Unrealized +33.4%

— MERRIMACK PHARMACEUTICALS INC 5.6%

Value $10.22M Shares 5,500,000 Est. Cost $1.36 Unrealized —

— HORIZON PHARMA PLC 3.5%

Value $6.316M Shares 490,000 Est. Cost $12.52 Unrealized —

— MIRATI THERAPEUTICS INC 2.4%

Value $4.416M Shares 238,432 Est. Cost $15.15 Unrealized —

— ONCOGENEX PHARMACEUTICALS INC 0.5%

Value $836K Shares 365,000 Est. Cost $2.29 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
HRTX	HERON THERAPEUTICS INC	4,919,625	$49.49M	27.1%	$12.54	-34.9%	COM	427746102
—	LA JOLLA PHARMACEUTICAL CO	2,144,387	$39.56M	21.7%	$10.40	—	COM	503459604
—	SALIX PHARMACEUTICALS INC	300,000	$34.48M	18.9%	$66.15	—	COM	795435106
—	OPKO HEALTH INC	14,000,000	$20.57M	11.3%	$1.47	—	DEBT 3.0% 2/1/33	68375NAB9
BMRN	BIOMARIN PHARMACEUTICAL INC	182,300	$16.48M	9.0%	$62.32	+33.4%	COM	09061G101
—	MERRIMACK PHARMACEUTICALS INC	5,500,000	$10.22M	5.6%	$1.36	—	NOTE 4.5% 7/15/20	590328AA8
—	HORIZON PHARMA PLC	490,000	$6.316M	3.5%	$12.52	—	SHS	G4617B105
—	MIRATI THERAPEUTICS INC	238,432	$4.416M	2.4%	$15.15	—	COM	60468T105
—	ONCOGENEX PHARMACEUTICALS INC	365,000	$836K	0.5%	$2.29	—	COM	68230A106