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Institutional Investment Manager
Tekla Capital Management LLC
Tekla Capital Management LLC (CIK: 0001300336) incorporated in Delaware, located at 100 Federal Street, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Portfolio Summary: 160 holdings with a total value of $2,782,342,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 GILEAD SCIENCES INC 2,221,431 218,122,000 7.84%
2 CELGENE CORP 1,713,634 185,364,000 6.66%
3 BIOGEN INC 467,183 136,329,000 4.90%
4 VERTEX PHARMACEUT 1,009,903 105,171,000 3.78%
5 ALEXION PHARMACEUTIC 636,805 99,590,000 3.58%
6 INCYTE 880,461 97,141,000 3.49%
7 JOHNSON & JOHNSON 940,988 87,841,000 3.16%
8 ALLERGAN PLC 317,686 86,350,000 3.10%
9 MYLAN N V 2,035,657 81,956,000 2.95%
10 TEVA PHARMACEUTICAL INDS LTD 1,385,594 78,231,000 2.81%
11 REGENERON PHARMACEUTICALS 154,266 71,755,000 2.58%
12 ALKERMES PLC SHS 1,165,818 68,399,000 2.46%
13 BIOMARIN 570,477 60,083,000 2.16%
14 PFIZER INC 1,802,291 56,610,000 2.03%
15 ILLUMINA INC 301,341 52,982,000 1.90%
16 AMGEN INC 321,640 44,489,000 1.60%
17 AEGERION PHARMACEUTICALS INC 13,000,000 36,801,000 1.32% PRN
18 AETNA INC NEW 331,931 36,317,000 1.31%
19 UNITEDHEALTH GROUP INC 312,600 36,265,000 1.30%
20 MERCK & CO INC 681,097 33,639,000 1.21%
21 BRISTOL MYERS SQUIBB CO 535,240 31,686,000 1.14%
22 AKORN INC 849,482 24,214,000 0.87%
23 UNITED THERAPEUTICS 182,600 23,964,000 0.86%
24 MOLINA HEALTHCARE INC 347,901 23,953,000 0.86%
25 MEDICINES CO 624,300 23,698,000 0.85%
26 HUMANA 129,300 23,145,000 0.83%
27 ALNYLAM PHARMACEUTICALS INC 281,474 22,619,000 0.81%
28 ENDO INTL 320,321 22,192,000 0.80%
29 ALLSCRIPTS HEALTHCARE 1,778,200 22,050,000 0.79%
30 AGILENT TECHNOLOGIES INC 635,650 21,822,000 0.78%
31 VENTAS INC 369,266 20,701,000 0.74%
32 HCA HOLDINGS INC 243,188 18,813,000 0.68%
33 ACADIA PHARMACEUTICALS INC COM 562,500 18,602,000 0.67%
34 PHYSICIANS RLTY TR 1,230,772 18,572,000 0.67%
35 ISHARES TR 57,670 17,493,000 0.63%
36 MEDICAL PPTYS TRUST INC 1,564,060 17,299,000 0.62%
37 NOVO-NORDISK A S 294,600 15,979,000 0.57%
38 NEUROCRINE BIOSCIE COM USD0.001 375,860 14,955,000 0.54%
39 OMEGA HEALTHCARE INVS INC 413,116 14,521,000 0.52%
40 PARATEK PHARMACEUTICALS INC 762,581 14,489,000 0.52%
41 ALERE INC 297,901 14,344,000 0.52%
42 MEDTRONIC PLC 207,044 13,860,000 0.50%
43 CORSICANTO LTD 14,700,000 13,506,000 0.49% PRN
44 MCKESSON CORP 67,862 12,557,000 0.45%
45 Welltower Inc 200,000 12,146,000 0.44%
46 IMPAX LABORATORIES INC 344,683 12,136,000 0.44%
47 STRYKER CORP 123,940 11,663,000 0.42%
48 ARDELYX INC COM 640,270 11,064,000 0.40%
49 GLAXOSMITHKLINE PLC 285,000 10,958,000 0.39%
50 SENIOR HOUSING PROPERTIES TRUST 670,504 10,862,000 0.39%
Page 1 of 4

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-15-078613, filed 2015.11.13).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.