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SIENTRA INC
SIENTRA INC. Institutional holdings reported to the SEC.

Institutional Holders (2017Q1)
Portfolio Summary: 46 Institutional holders with a total value of $109,114,067.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 Clarus Ventures, LLC 2,730,765 22,993,000 21.07%
2 Abingworth LLP 2,199,012 18,450,000 16.91%
3 CANNELL CAPITAL LLC 1,139,571 9,595,000 8.79%
4 Park West Asset Management LLC 1,093,385 9,206,000 8.44%
5 GILDER GAGNON HOWE & CO LLC 817,609 6,884,000 6.31%
6 GOLDMAN SACHS GROUP INC 783,978 6,601,000 6.05%
7 AMERIPRISE FINANCIAL INC 659,859 5,555,000 5.09%
8 VANGUARD GROUP INC 530,765 4,469,000 4.10%
9 ORBIMED ADVISORS LLC 522,257 4,397,000 4.03%
10 SCHRODER INVESTMENT MANAGEMENT GROUP 417,733 3,442,000 3.15%
11 ROYAL BANK OF CANADA 400,000 3,368,000 3.09% Call
12 BAMCO INC /NY/ 225,317 1,897,000 1.74%
13 PRELUDE CAPITAL MANAGEMENT, LLC 173,652 1,462,000 1.34%
14 BRIDGEWAY CAPITAL MANAGEMENT, LLC 155,200 1,307,000 1.20%
15 BlackRock Finance, Inc. 152,934 1,288,000 1.18%
16 MORGAN STANLEY 128,358 1,081,000 0.99%
17 Parallax Volatility Advisers, L.P. 100,000 842,000 0.77% Put
18 SUSQUEHANNA INTERNATIONAL GROUP, LLP 90,889 765,000 0.70%
19 GEODE CAPITAL MANAGEMENT, LLC 86,792 730,000 0.67%
20 Jefferies Group LLC 85,900 723,000 0.66% Put
21 MILLENNIUM MANAGEMENT LLC 78,553 661,000 0.61%
22 Jefferies Group LLC 78,417 660,000 0.60%
23 Bank of New York Mellon Corp 51,760 436,000 0.40%
24 Parallax Volatility Advisers, L.P. 39,589 333,000 0.31%
25 BLAIR WILLIAM & CO/IL 30,758 299,000 0.27%
26 NORTHERN TRUST CORP 27,161 229,000 0.21%
27 RENAISSANCE TECHNOLOGIES LLC 26,600 224,000 0.21%
28 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 23,496 198,000 0.18%
29 PARAMETRIC PORTFOLIO ASSOCIATES LLC 16,410 138,000 0.13%
30 DIMENSIONAL FUND ADVISORS LP 15,126 127,000 0.12%
31 SUSQUEHANNA INTERNATIONAL GROUP, LLP 14,800 125,000 0.11% Put
32 BARCLAYS PLC 14,379 121,000 0.11%
33 HIGHBRIDGE CAPITAL MANAGEMENT LLC 13,967 117,000 0.11%
34 WELLS FARGO & COMPANY/MN 12,871 108,000 0.10%
35 PEAK6 Group LLC 11,265 95,000 0.09%
36 Brandywine Global Investment Management, LLC 9,630 82,000 0.08%
37 CITIGROUP INC 5,990 50,000 0.05%
38 Nationwide Fund Advisors 3,042 26,000 0.02%
39 BANK OF AMERICA CORP /DE/ 1,300 11,000 0.01%
40 BANK OF MONTREAL /CAN/ 1,000 8,000 0.01%
41 Tower Research Capital LLC (TRC) 514 4,000 0.00%
42 WFG Advisors, LP 405 3,000 0.00%
43 DEUTSCHE BANK AG\ 400 3,000 0.00%
44 MANUFACTURERS LIFE INSURANCE COMPANY, THE 131 1,000 0.00%
45 BNP PARIBAS FINANCIAL MARKETS 8 67 0.00%
46 ROYAL BANK OF CANADA 17 0 0.00%

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.