TEKLA HEALTHCARE INVESTORS [Rocket]

Holdings

TEKLA HEALTHCARE INVESTORS

Changes: All | New | Increased | Decreased | Sold Out

Portfolio as of:

Name	Ticker	Class	Shares	Change	Value	Change	% Port	% OS	Hist	Date
CELGENE CORP /DE/	CELG	Common	344,800	344,800	19,743,000	19,743,000	5.48		Hist	06/30/2004
MABVAX THERAPEUTICS HOLDINGS, INC.	TELK	Common	727,665	727,665	17,369,000	17,369,000	4.82		Hist	06/30/2004
CUBIST PHARMACEUTICALS INC	CBST	Common	1,409,839	1,409,839	15,649,000	15,649,000	4.34		Hist	06/30/2004
PFIZER INC	PFE	Common	445,000	445,000	15,255,000	15,255,000	4.23		Hist	06/30/2004
GENZYME CORP	GENZ	Common	308,000	308,000	14,578,000	14,578,000	4.05		Hist	06/30/2004
IMPAX LABORATORIES INC	IPXL	Common	680,198	680,198	13,182,000	13,182,000	3.66		Hist	06/30/2004
IVAX CORP	IVX	Common	544,400	544,400	13,060,000	13,060,000	3.62		Hist	06/30/2004
IMCLONE SYSTEMS INC	IMCL	Common	147,000	147,000	12,611,000	12,611,000	3.50		Hist	06/30/2004
EXELIXIS, INC.	EXEL	COM	1,222,000	1,222,000	12,330,000	12,330,000	3.42		Hist	06/30/2004
MEDIMMUNE INC /DE	MEDI	Common	526,000	526,000	12,308,000	12,308,000	3.42		Hist	06/30/2004
GILEAD SCIENCES, INC.	GILD	Common	182,000	182,000	12,194,000	12,194,000	3.38		Hist	06/30/2004
WEBMD CORP		Common	1,257,500	1,257,500	11,720,000	11,720,000	3.25		Hist	06/30/2004
AMGEN INC	AMGN	Common	196,000	196,000	10,696,000	10,696,000	2.97		Hist	06/30/2004
TEVA PHARMACEUTICAL INDUSTRIES LTD	TEVA	ADR	158,500	158,500	10,665,000	10,665,000	2.96		Hist	06/30/2004
NEUROCRINE BIOSCIENCES INC	NBIX	Common	180,300	180,300	9,349,000	9,349,000	2.59		Hist	06/30/2004
CV THERAPEUTICS INC	CVTX	Common	546,307	546,307	9,156,000	9,156,000	2.54		Hist	06/30/2004
ORTHOVITA INC	VITA	Common	1,700,000	1,700,000	8,738,000	8,738,000	2.42		Hist	06/30/2004
IDEXX LABORATORIES INC /DE	IDXX	Common	135,700	135,700	8,541,000	8,541,000	2.37		Hist	06/30/2004
DYAX CORP	DYAX	Common	694,265	694,265	8,158,000	8,158,000	2.26		Hist	06/30/2004
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.	CRL	Common	142,100	142,100	6,944,000	6,944,000	1.93		Hist	06/30/2004
Assertio Therapeutics, Inc	DEPO	Common	1,388,888	1,388,888	6,875,000	6,875,000	1.91		Hist	06/30/2004
SENOMYX INC	SNMX	COM	1,428,571	1,428,571	6,696,000	6,696,000	1.86		Hist	06/30/2004
LEXICON PHARMACEUTICALS, INC.	LXRX	COM	845,000	845,000	6,625,000	6,625,000	1.84		Hist	06/30/2004
ADOLOR CORP	ADLR	Common	518,100	518,100	6,570,000	6,570,000	1.82		Hist	06/30/2004
ENZON PHARMACEUTICALS, INC.	ENZN	Common	514,000	514,000	6,559,000	6,559,000	1.82		Hist	06/30/2004
PAR PHARMACEUTICAL COMPANIES, INC.	PRX	Common	175,000	175,000	6,162,000	6,162,000	1.71		Hist	06/30/2004
MILLENNIUM PHARMACEUTICALS INC	MLNM	Common	420,000	420,000	5,796,000	5,796,000	1.61		Hist	06/30/2004
UNITED THERAPEUTICS Corp	UTHR	Common	222,000	222,000	5,694,000	5,694,000	1.58		Hist	06/30/2004
DURECT CORP	DRRX	Common	1,530,400	1,530,400	5,341,000	5,341,000	1.48		Hist	06/30/2004
ENCYSIVE PHARMACEUTICALS INC	ENCY	Common	513,500	513,500	4,365,000	4,365,000	1.21		Hist	06/30/2004
VIVUS INC	VVUS	Common	1,089,600	1,089,600	3,966,000	3,966,000	1.10		Hist	06/30/2004
PHARMACYCLICS INC	PCYC	Common	380,000	380,000	3,865,000	3,865,000	1.07		Hist	06/30/2004
KING PHARMACEUTICALS INC	KG	Common	290,000	290,000	3,321,000	3,321,000	0.92		Hist	06/30/2004
POZEN INC /NC	POZN	Common	484,000	484,000	3,311,000	3,311,000	0.92		Hist	06/30/2004
RIGEL PHARMACEUTICALS INC	RIGL	Common	165,631	165,631	2,354,000	2,354,000	0.65		Hist	06/30/2004
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