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Institutional Investment Manager
PERCEPTIVE ADVISORS LLC
PERCEPTIVE ADVISORS LLC (CIK: 0001224962) incorporated in Delaware, located at 51 Astor Place, 10th Floor, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q2)
Portfolio Summary: 117 holdings with a total value of $1,019,307,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 UROPLASTY INC 668,287 1,791,000 0.18%
52 SMITH & NEPHEW PLC 22,963 2,050,000 0.20%
53 GENVEC INC 820,000 2,107,000 0.21%
54 ACHILLION PHARMACEUTICALS IN 280,000 2,120,000 0.21%
55 KARYOPHARM THERAPEUTICS INC COM 45,643 2,125,000 0.21%
56 COVIDIEN PLC 25,000 2,255,000 0.22%
57 FIVE PRIME THERAPEUTICS INC 150,000 2,333,000 0.23%
58 ACASTI PHARMA INC 2,566,785 2,437,000 0.24%
59 QUOTIENT LTD 300,000 2,499,000 0.25%
60 MGC DIAGNOSTICS CORP 316,459 2,652,000 0.26%
61 VERTEX PHARMACEUTICALS INC 30,000 2,840,000 0.28% Put
62 ZELTIQ AESTHETICS INC 201,628 3,065,000 0.30%
63 TESARO INCORPORATED 100,000 3,111,000 0.31% Put
64 AEGERION PHARMACEUTICALS INC 100,000 3,209,000 0.31% Call
65 CHIMERIX INC 148,000 3,241,000 0.32%
66 APPLIED GENETIC TECHNOL CORP 146,978 3,395,000 0.33%
67 ARNO THERAPEUTIC INC 2,034,721 3,621,000 0.36%
68 Walgreens 50,000 3,707,000 0.36% Call
69 CATALYST PHARMACEUTICALS INC 1,500,000 3,795,000 0.37%
70 AERIE PHARMACEUTICALS INC COM 1,121,951 4,196,000 0.41%
71 TREVENA INC 770,000 4,351,000 0.43%
72 CENTENE CORP DEL 60,000 4,537,000 0.45%
73 DERMA SCIENCES ORD 406,437 4,698,000 0.46%
74 INTERCEPT PHARMACEUTICALS INCORPORATED 20,000 4,733,000 0.46% Put
75 SPECTRANETICS CORP 243,354 5,568,000 0.55%
76 REGADO BIOSCIENCES INC 860,000 5,839,000 0.57%
77 Arrowhead Pharma Inc 422,406 6,045,000 0.59%
78 TRANSENTERIX INC 1,300,000 6,552,000 0.64%
79 Medtronic Inc 130,000 8,289,000 0.81%
80 BIODELIVERY SCIENCES INTL IN 700,000 8,449,000 0.83%
81 Allergan plc 50,000 8,461,000 0.83%
82 Receptos Inc 205,000 8,733,000 0.86%
83 VERSARTIS INC 315,796 8,855,000 0.87%
84 INTERMUNE INC 210,000 9,272,000 0.91%
85 Anacor Pharmaceuticals Inc 528,776 9,375,000 0.92%
86 MACROGENICS INC 431,803 9,383,000 0.92%
87 ACCELERON PHARMA INC 300,000 10,191,000 1.00%
88 AETNA INC NEW 131,308 10,646,000 1.04%
89 PROTHENA CORP PLC 483,162 10,895,000 1.07%
90 HCA HOLDINGS INC 197,806 11,152,000 1.09%
91 FLAMEL TECHNOLOGIES SA SPONSORED ADR 800,000 12,000,000 1.18%
92 SANGAMO THERAPEUTICS INCORPORATED 800,000 12,216,000 1.20%
93 RELYPSA INC 596,605 14,509,000 1.42%
94 National Australia Bank ADR 282,500 14,566,000 1.43%
95 ACADIA PHARMACEUTICALS INC COM 653,000 14,751,000 1.45%
96 RETROPHIN INC 1,274,292 14,960,000 1.47%
97 EXACT SCIENCES CORP 901,250 15,348,000 1.51%
98 OPHTHOTECH CORP 371,469 15,717,000 1.54%
99 PTC THERAPEUTICS INC 671,736 17,559,000 1.72%
100 NEPTUNE TECHNOLOGIES BIORESO 6,700,444 18,493,000 1.81%
Page 2 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001019056-14-001053, filed 2014.08.14).

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.