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Institutional Investment Manager
Ghost Tree Capital, LLC
Ghost Tree Capital, LLC (CIK: 0001595851) incorporated in Delaware, located at 667 Madison Avenue, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2017Q1)
Portfolio Summary: 64 holdings with a total value of $536,543,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 AKARI THERAPEUTICS PLC 46,622 516,000 0.10%
2 XENON PHARMACEUTICALS INC 150,000 600,000 0.11%
3 FOAMIX PHARMACEUTICALS LTD 125,000 619,000 0.12%
4 AVEO PHARMACEUTICALS INC 1,500,000 885,000 0.16%
5 MIRATI THERAPEUTICS INC COM 172,184 895,000 0.17%
6 ZOSANO PHARMA CORP 940,000 1,786,000 0.33%
7 CURRENCYSHARES SWISS FRANC T 19,300 1,835,000 0.34%
8 STEMLINE THERAPEUTICS INC 225,000 1,924,000 0.36%
9 PTC THERAPEUTICS INC 200,000 1,968,000 0.37%
10 CONFORMIS INCORPORATED 400,000 2,088,000 0.39%
11 CYMABAY THERAPEUTICS INC 500,000 2,150,000 0.40%
12 DERMIRA INC COM 65,000 2,217,000 0.41%
13 INTRA-CELLULAR THERAPIES INC 150,000 2,438,000 0.45%
14 IRIDEX CORP 250,000 2,968,000 0.55%
15 RIGEL PHARMACEUTICAL INC 1,100,000 3,641,000 0.68%
16 AQUINOX PHARMACEUTICALS INC 225,000 3,755,000 0.70%
17 COLLEGIUM PHARMACEUTICAL INC COM 375,000 3,773,000 0.70%
18 ZOGENIX INC 365,000 3,960,000 0.74%
19 BLUEPRINT MEDICINES CORP COM 100,000 3,999,000 0.75%
20 SPECTRANETICS CORP 155,000 4,514,000 0.84%
21 INCYTE CORP 35,000 4,678,000 0.87%
22 ENTELLUS MED INC 375,000 5,175,000 0.96%
23 SHIRE PLC 30,000 5,227,000 0.97%
24 NXSTAGE MED INC COM 200,000 5,366,000 1.00%
25 PROTHENA CORP PLC 100,000 5,579,000 1.04%
26 Wright Medical Group NV 185,000 5,757,000 1.07%
27 K2M GROUP HLDGS INC COM 285,000 5,845,000 1.09%
28 ACORDA THERAPEUTICS INC 300,000 6,300,000 1.17%
29 RA PHARMACEUTICALS INC COM 300,000 6,387,000 1.19%
30 NOVADAQ TECHNOLOGIES INC 900,000 7,011,000 1.31%
31 SAGE THERAPEUTICS INC 100,000 7,107,000 1.32%
32 ACADIA PHARMACEUTICALS INC COM 207,200 7,124,000 1.33% Put
33 AGIOS PHARMACEUTICALS INC 125,000 7,300,000 1.36%
34 TESARO INCORPORATED 50,000 7,694,000 1.43% Call
35 PORTOLA PHARMACEUTICALS INC 200,000 7,838,000 1.46%
36 NANOSTRING TECHNOLOGIES INC 400,000 7,948,000 1.48%
37 BRISTOL MYERS SQUIBB CO 150,000 8,157,000 1.52% Call
38 GENMARK DIAGNOSTICS INC. 650,000 8,333,000 1.55%
39 PUMA BIOTECHNOLOGY 225,000 8,370,000 1.56%
40 ADURO BIOTECH INC 800,000 8,600,000 1.60%
41 LION BIOTECHNOLOGIES INC COM 1,200,000 8,940,000 1.67%
42 NUVASIVE INC 120,000 8,962,000 1.67%
43 ENANTA PHARMACEUTICALS INC 300,000 9,240,000 1.72%
44 ENDOLOGIX INC 1,300,000 9,412,000 1.75%
45 SPECTRANETICS CORP 325,000 9,464,000 1.76% Call
46 MERCK & CO INC 150,000 9,531,000 1.78%
47 IMMUNOMEDICS INCORPORATED 1,500,000 9,705,000 1.81%
48 VERTEX PHARMACEUTICALS INC 90,000 9,842,000 1.83%
49 AERIE PHARMACEUTICALS INC COM 220,000 9,977,000 1.86% Call
50 EPIZYME INC COM 600,000 10,290,000 1.92%
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001387131-17-002733, filed 2017.05.15).

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.