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Institutional Investment Manager
RA CAPITAL MANAGEMENT, L.P.
RA CAPITAL MANAGEMENT, L.P. (CIK: 0001346824) incorporated in Delaware, located at 200 Berkeley Street, 18th Floor, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q4)
Portfolio Summary: 51 holdings with a total value of $930,497,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 SANGAMO BIOSCIENCES INCORPORATED 6,000,000 91,620,000 9.85% Call
2 BIOCRYST PHARMACEUTICALS 7,050,356 85,732,000 9.21%
3 ACHILLION PHARMACEUTICALS INC COM 6,700,000 82,075,000 8.82%
4 REGULUS THERAPEUTICS INC 4,742,911 76,076,000 8.18%
5 DYAX CORP COM CVR 4,945,697 69,536,000 7.47%
6 TG THERAPEUTICS INC COM 3,350,449 53,071,000 5.70%
7 BLUEBIRD BIO INCORPORATED 506,122 46,422,000 4.99%
8 Dicerna Pharmaceuticals 2,428,571 39,999,000 4.30%
9 ACADIA PHARMACEUTICALS INC COM 1,000,000 31,750,000 3.41% Call
10 ACHILLION PHARMACEUTICALS INC COM 2,500,000 30,625,000 3.29% Call
11 COHERUS BIOSCIENCES INC COM 1,555,355 25,383,000 2.73%
12 ZS PHARMA INC 564,483 23,466,000 2.52%
13 ZAFGEN INC COM 732,960 22,604,000 2.43%
14 XENCOR INC COM 1,399,423 22,447,000 2.41%
15 FORWARD PHARMA A/S 970,600 20,218,000 2.17%
16 NOVAVAX INC COM 3,241,083 19,220,000 2.07%
17 SANGAMO BIOSCIENCES INCORPORATED 1,220,209 18,559,000 1.99%
18 TREVENA INC 2,974,647 17,788,000 1.91%
19 JUNO THERAPEUTICS INCORPORATED 280,000 14,622,000 1.57%
20 THERAPEUTICSMD INC 3,211,132 14,290,000 1.54%
21 OPHTHOTECH CORP COM 310,554 13,935,000 1.50%
22 Proteon Therapeutics 1,250,000 13,000,000 1.40%
23 TENAX THERAPEUTICS INC COM 2,670,300 10,254,000 1.10%
24 BELLICUM PHARMACEUTICALS INC COM 1,026,402 9,337,000 1.00%
25 AURINIA PHARMACEUTICALS INC 2,474,076 9,006,000 0.97%
26 SCYNEXIS INC 840,000 8,383,000 0.90%
27 ROCKWELL MED INC COM 706,252 7,260,000 0.78%
28 AKEBIA THERAPEUTICS INC 597,363 6,953,000 0.75%
29 Vical Inc 6,203,690 6,514,000 0.70%
30 CTI BIOPHARMA CORP 2,500,000 5,900,000 0.63%
31 VERSARTIS INC COM 231,267 5,192,000 0.56%
32 AURIS MED HLDG AG 940,000 3,666,000 0.39%
33 BIOTA PHARMACEUTIALS INC COM 1,378,770 3,088,000 0.33%
34 OCERA THERAPEUTICS INC 417,476 2,659,000 0.29%
35 T2 BIOSYSTEMS INC 138,002 2,655,000 0.29%
36 AGIOS PHARMACEUTICALS INC 17,600 1,972,000 0.21%
37 WAFERGEN BIO-SYSTEMS INC 560,000 1,680,000 0.18%
38 PTC THERAPEUTICS INC 25,800 1,336,000 0.14%
39 SANOFI SPOND FUNSPONSORED ADR 116,400 1,315,000 0.14%
40 NEWLINK GENETICS CORP 30,000 1,193,000 0.13%
41 ALKERMES PLC SHS 19,200 1,124,000 0.12%
42 REGENERON PHARMACEUTICALS 2,450 1,005,000 0.11%
43 CELGENE CORP 8,700 973,000 0.10%
44 AMGEN INC 5,900 940,000 0.10%
45 REPLIGEN CORP COM 45,000 891,000 0.10%
46 BIOGEN INC 2,600 883,000 0.09%
47 ACADIA PHARMACEUTICALS INC COM 27,300 867,000 0.09%
48 KERYX BIOPHARMACEUTICALS INCORPORATED 59,200 838,000 0.09%
49 CELLADON CORP 40,900 799,000 0.09%
50 KYTHERA BIOPHARMACEUTICALS I 22,750 789,000 0.08%
Page 1 of 2

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001144204-15-010101, filed 2015.02.17).

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.