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Institutional Investment Manager
DEERFIELD MANAGEMENT COMPANY, L.P.
DEERFIELD MANAGEMENT COMPANY, L.P. (CIK: 0001009258) incorporated in Delaware, located at 345 Park Avenue South, 12th Floor, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q2)
Original 13F HR (0001140361-16-076356) filed in 2016.08.15
#
Name
Shares
Value ($)
%
Options
Notes
51 AKARI THERAPEUTICS PLC 1,150,700 15,523 0.61%
52 BLUEBIRD BIO INC COM 338,085 14,636 0.58%
53 SELECT MED HLDGS CORP COM 1,316,944 14,315 0.56%
54 INVUITY INC 1,327,009 12,646 0.50%
55 Proteon Therapeutics Inc 1,552,031 12,463 0.49%
56 SPECTRANETICS CORP 12,731,000 11,232 0.44% PRN
57 CYTOMX THERAPEUTICS INC COM 943,433 9,637 0.38%
58 REGENXBIO INC COM 1,169,042 9,352 0.37%
59 NANOSTRING TECHNOLOGIES INC 674,622 8,500 0.33%
60 FOAMIX PHARMACEUTICALS LTD 1,282,058 8,141 0.32%
61 BIOSCRIP INC 2,986,800 7,616 0.30%
62 INCYTE CORP 91,000 7,278 0.29%
63 ALIMERA SCIENCES INC 5,878,015 7,230 0.28%
64 AMAG PHARMACEUTICALS INC 6,500,000 7,161 0.28% PRN
65 EPIZYME INC COM 622,299 6,372 0.25%
66 ESSA Pharma 2,157,151 6,364 0.25%
67 CAS MED SYS INC 3,200,000 5,888 0.23%
68 ENDOCHOICE HLDGS INC 1,198,950 5,875 0.23%
69 LOXO ONCOLOGY INC COM 251,000 5,818 0.23%
70 KEMPHARM INC 1,420,497 5,654 0.22%
71 ARALEZ PHARMACEUTICALS INC 1,644,583 5,427 0.21%
72 RIGEL PHARMACEUTICAL INC 2,331,366 5,199 0.20%
73 ALCOBRA LTD 1,069,914 4,804 0.19%
74 MYOKARDIA INC 374,800 4,648 0.18%
75 STEADYMED LTD 1,346,744 4,404 0.17%
76 NEOS THERAPEUTICS INC COM 458,332 4,253 0.17%
77 PSIVIDA CORP 1,492,824 4,225 0.17%
78 Oxford Immunotec Global PLC 464,541 4,181 0.16%
79 SCYNEXIS INC 1,773,177 3,848 0.15%
80 Sierra Oncology, Inc. 1,608,702 3,201 0.13%
81 GENOCEA BIOSCIENCES INC 687,257 2,818 0.11%
82 VOYAGER THERAPEUTICS INC 235,294 2,586 0.10%
83 INFINITY PHARMACEUTICALS INC 1,935,942 2,575 0.10%
84 ARDELYX INC COM 275,000 2,401 0.09%
85 Catabasis Pharmaceuticals Inc 643,580 2,381 0.09%
86 CLOVIS ONCOLOGY INC 169,506 2,326 0.09%
87 Agile Therapeutics, Inc. 250,000 1,903 0.07%
88 ACURA PHARMACEUTICALS INC 1,025,641 1,897 0.07%
89 ALPHATEC HOLDINGS INC 4,982,738 1,745 0.07%
90 PACIRA PHARMACEUTICALS INC 50,000 1,687 0.07%
91 INNOCOLL HLDGS PLC 302,923 1,669 0.07%
92 THRESHOLD PHARMACEUTICAL INC 2,583,160 1,641 0.06%
93 TRILLIUM THERAPEUTICS INC 172,307 1,547 0.06%
94 Aldeyra Therapeutics Inc 267,764 1,524 0.06%
95 PARATEK PHARMACEUTICALS INC 100,000 1,391 0.05%
96 OCERA THERAPEUTICS INC 572,893 1,088 0.04%
97 CORSICANTO LTD 1,000,000 1,021 0.04% PRN
98 CYNAPSUS THERAPEUTICS INC 48,840 818 0.03%
99 Egalet Corp 162,288 805 0.03%
100 STREAMLINE HEALTH SOLUTIONS COM 662,971 796 0.03%
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