TEKLA CAPITAL MANAGEMENT LLC Information

100 FEDERAL STREET, BOSTON, Massachusetts, 02110, (617) 772-8500

Report Date: 03/31/2015

Position Statistics

Total Positions 105
New Positions 20
Increased Positions 48
Decreased Positions 24
Positions with Activity 72
Sold Out Positions 8
Total Mkt Value (in $ millions) 2,507

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Sector Weighting

Basic Materials
Capital Goods
Conglomerates 1.14%
Consumer Cyclical
Consumer/Non-Cyclical
Energy
Financial 3.95%
Healthcare 82.6%
Services 5.15%
Technology 3.01%
Transportation
Utilities

105 Positions as of 03/31/2015

Company ▲ Class Value of Shares ($1,000s) Change in Value ($1,000s) Change (%) Shares Held
ABBVIE INC COM 75,755 35,223 86.90 1,110,614
ACCELERATE DIAGNOSTICS INC COM 3,656 3,656 New 144,625
ACCURAY INC COM 4,963 New 731,943
ACHILLION PHARMACEUTICALS INC COM 4,696 4,696 New 547,300
ACORDA THERAPEUTICS INC COM 21,842 13,079 149.25 680,862
AEGERION PHARMACEUTICALS INC COM 3,830 3,830 New 206,000
AETNA INC NEW COM 41,661 New 331,931
AGIOS PHARMACEUTICALS INC COM 11,077 5,975 117.10 100,300
AKORN INC COM 36,842 New 849,482
ALERE INC COM 16,078 New 297,901
ALEXION PHARMACEUTICALS INC COM 117,256 1,702 1.47 633,062
ALKERMES PLC SHS 37,115 9,555 34.67 588,470
ALLERGAN PLC PFD CONV SER A 5,282 5,282 New 5,000
ALLERGAN PLC SHS 111,222 New 361,686
ALLSCRIPTS HEALTHCARE SOLUTNS COM 23,863 2,330 10.82 1,778,200
ALNYLAM PHARMACEUTICALS INC COM 15,342 8,084 111.37 130,195
AMGEN INC COM 53,914 -4,368 (7.49) 351,779
ATHENAHEALTH INC COM 2,639 2,639 New 23,100
BAXALTA INC COM 9,917 9,917 New 319,600
BAXTER INTL INC COM 12,241 12,241 New 319,600


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