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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 (2015Q2)
Portfolio Summary: 116 holdings with a total value of $2,764,069,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 GILEAD SCIENCES INC 2,079,731 243,495,000 8.81%
2 CELGENE CORP 1,929,234 223,280,000 8.08%
3 BIOGEN INC 353,233 142,685,000 5.16%
4 MYLAN N V 1,837,005 124,659,000 4.51%
5 VERTEX PHARMACEUT 897,903 110,873,000 4.01%
6 ALEXION PHARMACEUTIC 584,305 105,625,000 3.82%
7 ALLERGAN PLC 343,686 104,295,000 3.77%
8 REGENERON PHARMACEUTICALS 187,166 95,479,000 3.45%
9 INCYTE 880,461 91,753,000 3.32%
10 JOHNSON & JOHNSON 884,612 86,214,000 3.12%
11 TEVA PHARMACEUTICAL INDS LTD 1,387,594 82,007,000 2.97%
12 AMGEN INC 497,280 76,342,000 2.76%
13 BIOMARIN 534,977 73,174,000 2.65%
14 ALKERMES PLC SHS 1,035,470 66,622,000 2.41%
15 PFIZER INC 1,638,241 54,930,000 1.99%
16 ILLUMINA INC 229,641 50,144,000 1.81%
17 AETNA INC NEW 331,931 42,308,000 1.53%
18 AKORN INC 849,482 37,088,000 1.34%
19 BRISTOL MYERS SQUIBB CO 535,240 35,615,000 1.29%
20 CATAMARAN CORP COM 433,600 26,484,000 0.96%
21 ENDO INTL 325,873 25,956,000 0.94%
22 MOLINA HEALTHCARE INC 347,901 24,457,000 0.88%
23 ALLSCRIPTS HEALTHCARE 1,778,200 24,326,000 0.88%
24 Receptos Inc 124,800 23,718,000 0.86%
25 ACORDA THERAPEUTICS 680,862 22,693,000 0.82%
26 AMGEN INC 146,000 22,414,000 0.81% Call
27 BAXTER INTL INC 319,600 22,350,000 0.81%
28 HUMANA 112,000 21,423,000 0.78%
29 ISHARES TR 57,670 21,278,000 0.77%
30 JAZZ PHARMACEUTICALS PLC SHS USD 120,357 21,191,000 0.77%
31 HCA HOLDINGS INC 213,788 19,395,000 0.70%
32 VENTAS INC 292,782 18,179,000 0.66%
33 NEUROCRINE BIOSCIE COM USD0.001 375,860 17,951,000 0.65%
34 PARATEK PHARMACEUTICALS INC 691,000 17,807,000 0.64%
35 PHYSICIANS RLTY TR 1,050,902 16,142,000 0.58%
36 IMPAX LABORATORIES INC 344,683 15,828,000 0.57%
37 CORSICANTO LTD 14,700,000 15,803,000 0.57% PRN
38 ALERE INC 297,901 15,714,000 0.57%
39 ACADIA PHARMACEUTICALS INC COM 370,000 15,496,000 0.56%
40 MCKESSON CORP 67,862 15,256,000 0.55%
41 MEDICAL PPTYS TRUST INC 1,153,574 15,123,000 0.55%
42 OMEGA HEALTHCARE INVS INC 413,116 14,182,000 0.51%
43 HERON THERAPEUTICS INC 436,970 13,616,000 0.49%
44 COMMUNITY HEALTH SYS INC NEW COM 209,572 13,197,000 0.48%
45 KARYOPHARM THERAPEUTICS INC COM 476,966 12,978,000 0.47%
46 ALNYLAM PHARMACEUTICALS INC 103,495 12,406,000 0.45%
47 Esperion Therapeutics Inc 148,000 12,100,000 0.44% Call
48 Esperion Therapeutics Inc 148,000 12,100,000 0.44%
49 CIGNA CORPORATION 74,251 12,029,000 0.44%
50 Welltower Inc 200,000 11,888,000 0.43%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-15-058926, filed 2015.08.12).

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.