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Institutional Investment Manager
ORBIMED ADVISORS LLC
ORBIMED ADVISORS LLC (CIK: 0001055951) incorporated in Delaware, located at 601 Lexington Avenue, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q2)
Portfolio Summary: 136 holdings with a total value of $11,964,202,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 FLUIDIGM CORP DEL COM 2,449,900 59,288,000 0.50%
52 EXACT SCIENCES CORP 1,778,000 52,878,000 0.44%
53 Otonomy Inc 2,256,398 51,875,000 0.43%
54 INFINITY PHARMACEUTICALS INC 4,416,300 48,358,000 0.40%
55 MEDTRONIC PLC 646,300 47,891,000 0.40%
56 CHIMERIX INC 1,021,600 47,198,000 0.39%
57 CERUS CORP 8,307,727 43,117,000 0.36%
58 INSMED INC 1,708,500 41,722,000 0.35%
59 SPDR S&P 500 ETF TR 200,000 41,170,000 0.34% Put
60 GW PHARMACEUTICALS PLC 325,000 39,923,000 0.33%
61 LOXO ONCOLOGY INC COM 2,175,857 39,231,000 0.33%
62 PORTOLA PHARMACEUTICALS INC 850,700 38,749,000 0.32%
63 VALEANT PHARMACEUTICALS INTL 165,000 36,655,000 0.31%
64 FORWARD PHARMA A/S 960,600 36,551,000 0.31%
65 XENOPORT INC 5,768,400 35,360,000 0.30%
66 BRISTOL MYERS SQUIBB CO 500,000 33,270,000 0.28% Call
67 HORIZON PHARMA PLC 951,000 33,038,000 0.28%
68 INCYTE CORP SR NT CONV 4.750% 10/01/15 B/EDTD 03/30/10 0221 UBS FINANCIAL SERVICES INC. A/C MR06471 2,742,000 32,436,000 0.27% PRN
69 ADURO BIOTECH INC 1,065,522 32,317,000 0.27%
70 ProQR Therapeutics NV 1,831,400 30,529,000 0.26%
71 DYAX CORP COM CVR 1,117,000 29,601,000 0.25%
72 UNITEDHEALTH GROUP INC 238,000 29,036,000 0.24%
73 ASSEMBLY BIOSCIENCES INC 1,397,100 26,908,000 0.22%
74 GALAPAGOS NV 512,900 26,414,000 0.22%
75 SYNERGY PHARMACEUTICALS DEL 3,121,148 25,906,000 0.22%
76 BIOMARIN PHARMACEUTICAL INC 188,000 25,715,000 0.21%
77 Ascendis Pharma 1,448,991 25,618,000 0.21%
78 MERCK & CO INC 415,000 23,626,000 0.20%
79 CYNAPSUS THERAPEUTICS INC 1,140,325 23,274,000 0.19%
80 ZIMMER BIOMET HLDGS INC 212,300 23,190,000 0.19%
81 XENCOR INC COM 1,044,615 22,950,000 0.19%
82 MIRATI THERAPEUTICS INC COM 680,500 21,415,000 0.18%
83 JAZZ PHARMACEUTICALS PLC 115,000 20,248,000 0.17%
84 ABBVIE INC 300,000 20,157,000 0.17% Call
85 Pieris Pharmaceuticals 7,259,620 19,964,000 0.17%
86 CONNECTURE INC 1,740,000 18,374,000 0.15%
87 TEVA PHARMACEUTICAL INDS LTD 307,000 18,144,000 0.15%
88 STRYKER CORP 186,000 17,776,000 0.15%
89 EHEALTH INC COM 1,300,000 16,497,000 0.14%
90 MERGE HEALTHCARE INC 3,308,400 15,880,000 0.13%
91 ADVAXIS INC COM NEW 755,100 15,351,000 0.13%
92 IMMUNOGEN INC 1,030,000 14,811,000 0.12%
93 VERTEX PHARMACEUTICALS INC 115,000 14,200,000 0.12%
94 INSULET CORPORATION 453,000 14,036,000 0.12%
95 SINOVAC BIOTECH LTD 2,667,500 14,004,000 0.12%
96 ENSIGN GROUP INC 247,600 12,642,000 0.11%
97 CELLECTIS S A 350,000 12,628,000 0.11%
98 AETNA INC NEW 96,000 12,236,000 0.10%
99 CARDINAL HEALTH INC 146,000 12,213,000 0.10%
100 MACROGENICS INC 317,000 12,036,000 0.10%
Page 2 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001172661-15-001654, filed 2015.08.14).

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.