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Institutional Investment Manager
RTW INVESTMENTS, LP
RTW INVESTMENTS, LP (CIK: 0001493215) incorporated in Delaware, located at 40 10th Avenue, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q2)
Portfolio Summary: 35 holdings with a total value of $292,692,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 ALNYLAM PHARMACEUTICALS INC 832,549 46,198,000 15.78%
2 INCYTE 392,236 31,371,000 10.72%
3 BLUEBIRD BIO INCORPORATED 612,025 26,495,000 9.05%
4 ACHILLION PHARMACEUTICALS INC COM 2,424,136 18,908,000 6.46%
5 LA JOLLA PHARMACEUTICAL CO 1,176,146 18,818,000 6.43%
6 AVEXIS INC COM 476,367 18,111,000 6.19%
7 BRISTOL MYERS SQUIBB CO 209,701 15,424,000 5.27%
8 KITE PHARMA INCORPORATED 285,518 14,276,000 4.88%
9 SYMMETRY SURGICAL INC 922,215 12,109,000 4.14%
10 SPDR GOLD TR 83,000 10,497,000 3.59%
11 Atara Biotherapeutics Inc 465,874 10,487,000 3.58%
12 AGENUS INC 2,429,149 9,838,000 3.36%
13 BIOCRYST PHARMACEUTICALS 2,237,066 6,353,000 2.17%
14 ISHARES TR 45,000 6,251,000 2.14%
15 Dicerna Pharmaceuticals 2,026,894 6,081,000 2.08%
16 INTERCEPT PHARMACEUTICAL 39,500 5,636,000 1.93%
17 CELLDEX THERAPEUTICS INC NEW 1,264,227 5,550,000 1.90%
18 OMEROS CORP 526,788 5,542,000 1.89%
19 Viveve Medical Inc 814,946 3,341,000 1.14%
20 BARCLAYS BANK PLC 144,200 3,194,000 1.09%
21 CORIUM INTERNATIONAL INC 852,961 2,960,000 1.01%
22 INVUITY INC 226,042 2,154,000 0.74%
23 REGENXBIO INC COM 242,784 1,942,000 0.66%
24 FIVE PRIME THERAPEUTICS INC 44,701 1,848,000 0.63%
25 GLOBAL BLOOD THERAPEUTICS IN COM 97,138 1,612,000 0.55%
26 MASIMO CORP COM 25,900 1,360,000 0.46%
27 ACCELERATE DIAGNOSTICS INC 74,843 1,077,000 0.37%
28 CYTRX CORP 466,200 1,040,000 0.36%
29 SENSUS HEATLHCARE INC 155,000 1,006,000 0.34%
30 MANNKIND CORPORATION 4,385 912,000 0.31% Put
31 MIRATI THERAPEUTICS INC COM 131,052 716,000 0.24%
32 ALLSCRIPTS HEALTHCARE 48,000 610,000 0.21%
33 BIOPHARMX CORP COM 700,636 455,000 0.16%
34 NATERA INC 31,693 382,000 0.13%
35 Nivalis Therapeutics Inc 30,000 138,000 0.05%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001493152-16-012354, filed 2016.08.15).

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.