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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 (2016Q4)
Portfolio Summary: 196 holdings with a total value of $1,405,253,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 NEUROCRINE BIOSCIE COM USD0.001 3,316,523 128,349,000 9.13%
2 TESARO INC 687,993 92,521,000 6.58%
3 AMICUS THERAPEUTICS INC 17,296,672 85,964,000 6.12%
4 SAREPTA THERAPEUTICS INC 2,769,829 75,976,000 5.41%
5 VERSARTIS INC COM 4,153,685 61,889,000 4.40%
6 RETROPHIN INC COM 2,687,412 50,872,000 3.62%
7 NXSTAGE MED INC COM 1,927,989 50,533,000 3.60%
8 XENCOR INC COM 1,785,018 46,982,000 3.34%
9 GLOBAL BLOOD THERAPEUTICS IN COM 3,128,978 45,213,000 3.22%
10 EAGLE PHARMACEUTICALS INC COM 498,198 39,527,000 2.81%
11 ACLARIS THERAPEUTICS INC COM 1,260,847 34,219,000 2.44%
12 ARDELYX INC COM 1,836,196 26,073,000 1.86%
13 Lion Biotechnologies 3,567,553 24,794,000 1.76%
14 REGENXBIO INC COM 1,282,286 23,786,000 1.69%
15 COLUCID PHARMACEUTICALS INC COM 641,364 23,346,000 1.66%
16 LA JOLLA PHARMACEUTICAL CO 1,319,274 23,127,000 1.65%
17 AVEXIS INC COM 473,531 22,602,000 1.61%
18 DBV TECHNOLOGIES 610,643 21,452,000 1.53%
19 GALAPAGOS NV 304,531 20,631,000 1.47%
20 VBI VACCINES INC COM NEW 6,565,843 20,354,000 1.45%
21 WAVE LIFE SCIENCES LTD 665,198 18,088,000 1.29%
22 ANI PHARMACEUTICALS INC COM 267,100 16,192,000 1.15%
23 ACCELERON PHARMA 619,987 15,822,000 1.13%
24 Foamix Pharmaceuticals Ltd. 1,322,994 14,685,000 1.05%
25 AVADEL PHARMACEUTICALS 1,388,240 14,424,000 1.03%
26 ACELRX PHARMACEUTICALS INC 5,408,728 14,063,000 1.00%
27 QUOTIENT LTD 2,854,486 13,815,000 0.98%
28 ACORDA THERAPEUTICS 720,000 13,536,000 0.96%
29 ZYNERBA PHARMACEUTICALS INC 842,128 13,128,000 0.93%
30 KADMON HLDGS INC 2,209,657 11,821,000 0.84%
31 IRHYTHM TECHNOLOGIES INC COM ADDED 352,241 10,567,000 0.75%
32 ALDEYRA THERAPEUTICS INC 1,940,458 10,381,000 0.74%
33 CYTOMX THERAPEUTICS INC COM 923,763 10,152,000 0.72%
34 RADIUS HEALTH 263,872 10,035,000 0.71%
35 DERMIRA INC 325,583 9,875,000 0.70%
36 CORBUS PHARMACEUTICALS HLDGS COM 1,132,684 9,571,000 0.68%
37 MINERVA NEUROSCIENCES INC COM 810,537 9,523,000 0.68%
38 ZOGENIX INC 752,999 9,149,000 0.65%
39 ANI PHARMACEUTICALS INC 7,500,000 8,700,000 0.62% PRN
40 ASSEMBLY BIOSCIENCES INC 714,354 8,679,000 0.62%
41 BIOCRYST PHARMACEUTICALS 1,330,240 8,420,000 0.60%
42 PFENEX INC COM 914,376 8,293,000 0.59%
43 FIVE PRIME THERAPEUTICS INC 163,255 8,181,000 0.58%
44 MYOKARDIA INC 624,694 8,089,000 0.58%
45 CIDARA THERAPEUTICS INC 773,369 8,043,000 0.57%
46 ALDER BIOPHARMACEUTICALS INC 384,169 7,991,000 0.57%
47 BLUEPRINT MEDICINES CORP COM 273,820 7,680,000 0.55%
48 CLOVIS ONCOLOGY INC 167,754 7,452,000 0.53%
49 UNIQURE NV 1,265,963 7,089,000 0.50%
50 ANTARES PHARMA INC 2,917,253 6,797,000 0.48%
Page 1 of 4

Portfolio data is normalized using SEC Form 13F filings, including the Restatement filing (0001019056-17-000280, filed 2017.03.09).

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.